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体验新版 GitCode,发现更多精彩内容 >>
提交
fc8be1ca
编写于
12月 03, 2015
作者:
R
Robert Metzger
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[FLINK-3102] Allow reading from multiple topics with one FlinkKafkaConsumer instance
This closes #1437
上级
4dbb10f5
变更
24
展开全部
隐藏空白更改
内联
并排
Showing
24 changed file
with
822 addition
and
517 deletion
+822
-517
flink-examples/flink-java-examples/src/main/java/org/apache/flink/examples/java/relational/EmptyFieldsCountAccumulator.java
...examples/java/relational/EmptyFieldsCountAccumulator.java
+1
-1
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer.java
.../flink/streaming/connectors/kafka/FlinkKafkaConsumer.java
+127
-139
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer081.java
...ink/streaming/connectors/kafka/FlinkKafkaConsumer081.java
+2
-1
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer082.java
...ink/streaming/connectors/kafka/FlinkKafkaConsumer082.java
+18
-2
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaProducer.java
.../flink/streaming/connectors/kafka/FlinkKafkaProducer.java
+2
-2
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/api/KafkaSink.java
...pache/flink/streaming/connectors/kafka/api/KafkaSink.java
+0
-36
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/api/persistent/PersistentKafkaSource.java
...onnectors/kafka/api/persistent/PersistentKafkaSource.java
+0
-57
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/Fetcher.java
...e/flink/streaming/connectors/kafka/internals/Fetcher.java
+7
-16
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/KafkaTopicPartition.java
...aming/connectors/kafka/internals/KafkaTopicPartition.java
+124
-0
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/KafkaTopicPartitionLeader.java
...connectors/kafka/internals/KafkaTopicPartitionLeader.java
+129
-0
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/LegacyFetcher.java
...k/streaming/connectors/kafka/internals/LegacyFetcher.java
+132
-117
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/OffsetHandler.java
...k/streaming/connectors/kafka/internals/OffsetHandler.java
+2
-4
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/ZookeeperOffsetHandler.java
...ng/connectors/kafka/internals/ZookeeperOffsetHandler.java
+9
-10
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/partitioner/FixedPartitioner.java
...eaming/connectors/kafka/partitioner/FixedPartitioner.java
+4
-4
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaConsumerPartitionAssignmentTest.java
...onnectors/kafka/KafkaConsumerPartitionAssignmentTest.java
+105
-89
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaConsumerTest.java
...e/flink/streaming/connectors/kafka/KafkaConsumerTest.java
+28
-17
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaConsumerTestBase.java
...ink/streaming/connectors/kafka/KafkaConsumerTestBase.java
+113
-17
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaITCase.java
.../apache/flink/streaming/connectors/kafka/KafkaITCase.java
+6
-0
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaProducerITCase.java
...flink/streaming/connectors/kafka/KafkaProducerITCase.java
+2
-1
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaTestBase.java
...pache/flink/streaming/connectors/kafka/KafkaTestBase.java
+3
-1
flink-streaming-java/src/main/java/org/apache/flink/streaming/util/serialization/KeyedDeserializationSchema.java
...eaming/util/serialization/KeyedDeserializationSchema.java
+1
-1
flink-streaming-java/src/main/java/org/apache/flink/streaming/util/serialization/KeyedDeserializationSchemaWrapper.java
...util/serialization/KeyedDeserializationSchemaWrapper.java
+1
-1
flink-streaming-java/src/main/java/org/apache/flink/streaming/util/serialization/TypeInformationKeyValueSerializationSchema.java
...alization/TypeInformationKeyValueSerializationSchema.java
+1
-1
tools/maven/checkstyle.xml
tools/maven/checkstyle.xml
+5
-0
未找到文件。
flink-examples/flink-java-examples/src/main/java/org/apache/flink/examples/java/relational/EmptyFieldsCountAccumulator.java
浏览文件 @
fc8be1ca
...
@@ -22,7 +22,7 @@ import java.util.ArrayList;
...
@@ -22,7 +22,7 @@ import java.util.ArrayList;
import
java.util.Collection
;
import
java.util.Collection
;
import
java.util.List
;
import
java.util.List
;
import
org.apache.commons.lang.StringUtils
;
import
org.apache.commons.lang
3
.StringUtils
;
import
org.apache.flink.api.common.JobExecutionResult
;
import
org.apache.flink.api.common.JobExecutionResult
;
import
org.apache.flink.api.common.accumulators.Accumulator
;
import
org.apache.flink.api.common.accumulators.Accumulator
;
import
org.apache.flink.api.java.DataSet
;
import
org.apache.flink.api.java.DataSet
;
...
...
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer.java
浏览文件 @
fc8be1ca
此差异已折叠。
点击以展开。
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer081.java
浏览文件 @
fc8be1ca
...
@@ -19,6 +19,7 @@ package org.apache.flink.streaming.connectors.kafka;
...
@@ -19,6 +19,7 @@ package org.apache.flink.streaming.connectors.kafka;
import
org.apache.flink.streaming.util.serialization.DeserializationSchema
;
import
org.apache.flink.streaming.util.serialization.DeserializationSchema
;
import
java.util.Collections
;
import
java.util.Properties
;
import
java.util.Properties
;
/**
/**
...
@@ -52,6 +53,6 @@ public class FlinkKafkaConsumer081<T> extends FlinkKafkaConsumer<T> {
...
@@ -52,6 +53,6 @@ public class FlinkKafkaConsumer081<T> extends FlinkKafkaConsumer<T> {
* The properties used to configure the Kafka consumer client, and the ZooKeeper client.
* The properties used to configure the Kafka consumer client, and the ZooKeeper client.
*/
*/
public
FlinkKafkaConsumer081
(
String
topic
,
DeserializationSchema
<
T
>
valueDeserializer
,
Properties
props
)
{
public
FlinkKafkaConsumer081
(
String
topic
,
DeserializationSchema
<
T
>
valueDeserializer
,
Properties
props
)
{
super
(
topic
,
valueDeserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
super
(
Collections
.
singletonList
(
topic
)
,
valueDeserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
}
}
}
}
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer082.java
浏览文件 @
fc8be1ca
...
@@ -20,6 +20,8 @@ package org.apache.flink.streaming.connectors.kafka;
...
@@ -20,6 +20,8 @@ package org.apache.flink.streaming.connectors.kafka;
import
org.apache.flink.streaming.util.serialization.DeserializationSchema
;
import
org.apache.flink.streaming.util.serialization.DeserializationSchema
;
import
org.apache.flink.streaming.util.serialization.KeyedDeserializationSchema
;
import
org.apache.flink.streaming.util.serialization.KeyedDeserializationSchema
;
import
java.util.Collections
;
import
java.util.List
;
import
java.util.Properties
;
import
java.util.Properties
;
/**
/**
...
@@ -47,9 +49,12 @@ public class FlinkKafkaConsumer082<T> extends FlinkKafkaConsumer<T> {
...
@@ -47,9 +49,12 @@ public class FlinkKafkaConsumer082<T> extends FlinkKafkaConsumer<T> {
* The properties used to configure the Kafka consumer client, and the ZooKeeper client.
* The properties used to configure the Kafka consumer client, and the ZooKeeper client.
*/
*/
public
FlinkKafkaConsumer082
(
String
topic
,
DeserializationSchema
<
T
>
valueDeserializer
,
Properties
props
)
{
public
FlinkKafkaConsumer082
(
String
topic
,
DeserializationSchema
<
T
>
valueDeserializer
,
Properties
props
)
{
super
(
topic
,
valueDeserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
super
(
Collections
.
singletonList
(
topic
)
,
valueDeserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
}
}
//----- key-value deserializer constructor
/**
/**
* Creates a new Kafka 0.8.2.x streaming source consumer.
* Creates a new Kafka 0.8.2.x streaming source consumer.
*
*
...
@@ -64,6 +69,17 @@ public class FlinkKafkaConsumer082<T> extends FlinkKafkaConsumer<T> {
...
@@ -64,6 +69,17 @@ public class FlinkKafkaConsumer082<T> extends FlinkKafkaConsumer<T> {
* The properties used to configure the Kafka consumer client, and the ZooKeeper client.
* The properties used to configure the Kafka consumer client, and the ZooKeeper client.
*/
*/
public
FlinkKafkaConsumer082
(
String
topic
,
KeyedDeserializationSchema
<
T
>
deserializer
,
Properties
props
)
{
public
FlinkKafkaConsumer082
(
String
topic
,
KeyedDeserializationSchema
<
T
>
deserializer
,
Properties
props
)
{
super
(
topic
,
deserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
super
(
Collections
.
singletonList
(
topic
),
deserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
}
//----- topic list constructors
public
FlinkKafkaConsumer082
(
List
<
String
>
topics
,
DeserializationSchema
<
T
>
valueDeserializer
,
Properties
props
)
{
super
(
topics
,
valueDeserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
}
public
FlinkKafkaConsumer082
(
List
<
String
>
topics
,
KeyedDeserializationSchema
<
T
>
deserializer
,
Properties
props
)
{
super
(
topics
,
deserializer
,
props
,
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
}
}
}
}
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaProducer.java
浏览文件 @
fc8be1ca
...
@@ -198,13 +198,13 @@ public class FlinkKafkaProducer<IN> extends RichSinkFunction<IN> {
...
@@ -198,13 +198,13 @@ public class FlinkKafkaProducer<IN> extends RichSinkFunction<IN> {
// set the producer configuration properties.
// set the producer configuration properties.
if
(!
producerConfig
.
contains
(
ProducerConfig
.
KEY_SERIALIZER_CLASS_CONFIG
))
{
if
(!
producerConfig
.
contains
(
ProducerConfig
.
KEY_SERIALIZER_CLASS_CONFIG
))
{
this
.
producerConfig
.
put
(
ProducerConfig
.
KEY_SERIALIZER_CLASS_CONFIG
,
ByteArraySerializer
.
class
.
getCanonicalName
());
this
.
producerConfig
.
put
(
ProducerConfig
.
KEY_SERIALIZER_CLASS_CONFIG
,
ByteArraySerializer
.
class
.
getCanonicalName
());
}
else
{
}
else
{
LOG
.
warn
(
"Overwriting the '{}' is not recommended"
,
ProducerConfig
.
KEY_SERIALIZER_CLASS_CONFIG
);
LOG
.
warn
(
"Overwriting the '{}' is not recommended"
,
ProducerConfig
.
KEY_SERIALIZER_CLASS_CONFIG
);
}
}
if
(!
producerConfig
.
contains
(
ProducerConfig
.
VALUE_SERIALIZER_CLASS_CONFIG
))
{
if
(!
producerConfig
.
contains
(
ProducerConfig
.
VALUE_SERIALIZER_CLASS_CONFIG
))
{
this
.
producerConfig
.
put
(
ProducerConfig
.
VALUE_SERIALIZER_CLASS_CONFIG
,
ByteArraySerializer
.
class
.
getCanonicalName
());
this
.
producerConfig
.
put
(
ProducerConfig
.
VALUE_SERIALIZER_CLASS_CONFIG
,
ByteArraySerializer
.
class
.
getCanonicalName
());
}
else
{
}
else
{
LOG
.
warn
(
"Overwriting the '{}' is not recommended"
,
ProducerConfig
.
VALUE_SERIALIZER_CLASS_CONFIG
);
LOG
.
warn
(
"Overwriting the '{}' is not recommended"
,
ProducerConfig
.
VALUE_SERIALIZER_CLASS_CONFIG
);
...
...
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/api/KafkaSink.java
已删除
100644 → 0
浏览文件 @
4dbb10f5
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package
org.apache.flink.streaming.connectors.kafka.api
;
import
org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer
;
import
org.apache.flink.streaming.util.serialization.SerializationSchema
;
/**
* Sink that emits its inputs to a Kafka topic.
*
* The KafkaSink has been relocated to org.apache.flink.streaming.connectors.kafka.KafkaSink.
* This class will be removed in future releases of Flink.
*
* @deprecated Please use the {@link org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer} instead.
*/
@Deprecated
public
class
KafkaSink
<
IN
>
extends
FlinkKafkaProducer
<
IN
>
{
public
KafkaSink
(
String
brokerList
,
String
topicId
,
SerializationSchema
<
IN
>
serializationSchema
)
{
super
(
brokerList
,
topicId
,
serializationSchema
);
}
}
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/api/persistent/PersistentKafkaSource.java
已删除
100644 → 0
浏览文件 @
4dbb10f5
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package
org.apache.flink.streaming.connectors.kafka.api.persistent
;
import
kafka.consumer.ConsumerConfig
;
import
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
;
import
org.apache.flink.streaming.util.serialization.DeserializationSchema
;
/**
* Creates a Kafka consumer compatible with reading from Kafka 0.8.1+ consumers.
*
* This class is provided as a migration path from the old Flink kafka connectors to the new, updated implemntations.
*
* Please use FlinkKafkaConsumer081 and FlinkKafkaConsumer082.
*
* @param <T> The type of elements produced by this consumer.
*
* @deprecated Due to Kafka protocol and architecture (offset handling) changes, please use the
* Kafka version specific consumers, like
* {@link org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer081},
* {@link org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer082}, etc.
*/
@Deprecated
public
class
PersistentKafkaSource
<
T
>
extends
FlinkKafkaConsumer
<
T
>
{
private
static
final
long
serialVersionUID
=
-
8450689820627198228L
;
/**
* Creates a new Kafka 0.8.2.x streaming source consumer.
*
* @param topic
* The name of the topic that should be consumed.
* @param valueDeserializer
* The de-/serializer used to convert between Kafka's byte messages and Flink's objects.
* @param consumerConfig
* The consumer config used to configure the Kafka consumer client, and the ZooKeeper client.
*/
public
PersistentKafkaSource
(
String
topic
,
DeserializationSchema
<
T
>
valueDeserializer
,
ConsumerConfig
consumerConfig
)
{
super
(
topic
,
valueDeserializer
,
consumerConfig
.
props
().
props
(),
OffsetStore
.
FLINK_ZOOKEEPER
,
FetcherType
.
LEGACY_LOW_LEVEL
);
}
}
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/Fetcher.java
浏览文件 @
fc8be1ca
...
@@ -19,10 +19,9 @@ package org.apache.flink.streaming.connectors.kafka.internals;
...
@@ -19,10 +19,9 @@ package org.apache.flink.streaming.connectors.kafka.internals;
import
org.apache.flink.streaming.api.functions.source.SourceFunction
;
import
org.apache.flink.streaming.api.functions.source.SourceFunction
;
import
org.apache.flink.streaming.util.serialization.KeyedDeserializationSchema
;
import
org.apache.flink.streaming.util.serialization.KeyedDeserializationSchema
;
import
org.apache.kafka.common.TopicPartition
;
import
java.io.IOException
;
import
java.io.IOException
;
import
java.util.
List
;
import
java.util.
HashMap
;
/**
/**
* A fetcher pulls data from Kafka, from a fix set of partitions.
* A fetcher pulls data from Kafka, from a fix set of partitions.
...
@@ -30,16 +29,9 @@ import java.util.List;
...
@@ -30,16 +29,9 @@ import java.util.List;
*/
*/
public
interface
Fetcher
{
public
interface
Fetcher
{
/**
* Set which partitions the fetcher should pull from.
*
* @param partitions The list of partitions for a topic that the fetcher will pull from.
*/
void
setPartitionsToRead
(
List
<
TopicPartition
>
partitions
);
/**
/**
* Closes the fetcher. This will stop any operation in the
* Closes the fetcher. This will stop any operation in the
* {@link #run(SourceFunction.SourceContext,
DeserializationSchema, long[]
)} method and eventually
* {@link #run(SourceFunction.SourceContext,
KeyedDeserializationSchema, HashMap
)} method and eventually
* close underlying connections and release all resources.
* close underlying connections and release all resources.
*/
*/
void
close
()
throws
IOException
;
void
close
()
throws
IOException
;
...
@@ -61,15 +53,14 @@ public interface Fetcher {
...
@@ -61,15 +53,14 @@ public interface Fetcher {
* }
* }
* }
* }
* }</pre>
* }</pre>
*
*
* @param <T> The type of elements produced by the fetcher and emitted to the source context.
* @param sourceContext The source context to emit elements to.
* @param sourceContext The source context to emit elements to.
* @param valueDeserializer The deserializer to decode the raw values with.
* @param valueDeserializer The deserializer to decode the raw values with.
* @param lastOffsets The array into which to store the offsets for which elements are emitted (operator state)
* @param lastOffsets The map into which to store the offsets for which elements are emitted (operator state)
*
* @param <T> The type of elements produced by the fetcher and emitted to the source context.
*/
*/
<
T
>
void
run
(
SourceFunction
.
SourceContext
<
T
>
sourceContext
,
KeyedDeserializationSchema
<
T
>
valueDeserializer
,
<
T
>
void
run
(
SourceFunction
.
SourceContext
<
T
>
sourceContext
,
KeyedDeserializationSchema
<
T
>
valueDeserializer
,
long
[]
lastOffsets
)
throws
Exception
;
HashMap
<
KafkaTopicPartition
,
Long
>
lastOffsets
)
throws
Exception
;
/**
/**
* Set the next offset to read from for the given partition.
* Set the next offset to read from for the given partition.
...
@@ -79,7 +70,7 @@ public interface Fetcher {
...
@@ -79,7 +70,7 @@ public interface Fetcher {
* @param topicPartition The partition for which to seek the offset.
* @param topicPartition The partition for which to seek the offset.
* @param offsetToRead To offset to seek to.
* @param offsetToRead To offset to seek to.
*/
*/
void
seek
(
TopicPartition
topicPartition
,
long
offsetToRead
);
void
seek
(
Kafka
TopicPartition
topicPartition
,
long
offsetToRead
);
/**
/**
* Exit run loop with given error and release all resources.
* Exit run loop with given error and release all resources.
...
...
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/KafkaTopicPartition.java
0 → 100644
浏览文件 @
fc8be1ca
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package
org.apache.flink.streaming.connectors.kafka.internals
;
import
java.io.Serializable
;
import
java.util.ArrayList
;
import
java.util.HashSet
;
import
java.util.List
;
import
java.util.Map
;
import
static
com
.
google
.
common
.
base
.
Preconditions
.
checkNotNull
;
/**
* A serializable representation of a kafka topic and a partition.
* Used as an operator state for the Kafka consumer
*/
public
class
KafkaTopicPartition
implements
Serializable
{
private
static
final
long
serialVersionUID
=
722083576322742325L
;
private
final
String
topic
;
private
final
int
partition
;
private
final
int
cachedHash
;
public
KafkaTopicPartition
(
String
topic
,
int
partition
)
{
this
.
topic
=
checkNotNull
(
topic
);
this
.
partition
=
partition
;
this
.
cachedHash
=
31
*
topic
.
hashCode
()
+
partition
;
}
public
String
getTopic
()
{
return
topic
;
}
public
int
getPartition
()
{
return
partition
;
}
@Override
public
String
toString
()
{
return
"KafkaTopicPartition{"
+
"topic='"
+
topic
+
'\''
+
", partition="
+
partition
+
'}'
;
}
@Override
public
boolean
equals
(
Object
o
)
{
if
(
this
==
o
)
{
return
true
;
}
if
(!(
o
instanceof
KafkaTopicPartition
))
{
return
false
;
}
KafkaTopicPartition
that
=
(
KafkaTopicPartition
)
o
;
if
(
partition
!=
that
.
partition
)
{
return
false
;
}
return
topic
.
equals
(
that
.
topic
);
}
@Override
public
int
hashCode
()
{
return
cachedHash
;
}
// ------------------- Utilities -------------------------------------
/**
* Returns a unique list of topics from the topic partition map
*
* @param topicPartitionMap A map of KafkaTopicPartition's
* @return A unique list of topics from the input map
*/
public
static
List
<
String
>
getTopics
(
Map
<
KafkaTopicPartition
,
?>
topicPartitionMap
)
{
HashSet
<
String
>
uniqueTopics
=
new
HashSet
<>();
for
(
KafkaTopicPartition
ktp:
topicPartitionMap
.
keySet
())
{
uniqueTopics
.
add
(
ktp
.
getTopic
());
}
return
new
ArrayList
<>(
uniqueTopics
);
}
public
static
String
toString
(
Map
<
KafkaTopicPartition
,
Long
>
map
)
{
StringBuilder
sb
=
new
StringBuilder
();
for
(
Map
.
Entry
<
KafkaTopicPartition
,
Long
>
p:
map
.
entrySet
())
{
KafkaTopicPartition
ktp
=
p
.
getKey
();
sb
.
append
(
ktp
.
getTopic
()).
append
(
":"
).
append
(
ktp
.
getPartition
()).
append
(
"="
).
append
(
p
.
getValue
()).
append
(
", "
);
}
return
sb
.
toString
();
}
/**
* Checks whether this partition is contained in the map with KafkaTopicPartitionLeaders
*
* @param map The map of KafkaTopicPartitionLeaders
* @return true if the element is contained.
*/
public
boolean
isContained
(
Map
<
KafkaTopicPartitionLeader
,
?>
map
)
{
for
(
Map
.
Entry
<
KafkaTopicPartitionLeader
,
?>
entry
:
map
.
entrySet
())
{
if
(
entry
.
getKey
().
getTopicPartition
().
equals
(
this
))
{
return
true
;
}
}
return
false
;
}
}
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/KafkaTopicPartitionLeader.java
0 → 100644
浏览文件 @
fc8be1ca
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package
org.apache.flink.streaming.connectors.kafka.internals
;
import
org.apache.kafka.common.Node
;
import
java.io.Serializable
;
import
java.util.List
;
import
java.util.Map
;
/**
* Serializable Topic Partition info with leader Node information.
* This class is used at runtime.
*/
public
class
KafkaTopicPartitionLeader
implements
Serializable
{
private
static
final
long
serialVersionUID
=
9145855900303748582L
;
private
final
int
leaderId
;
private
final
int
leaderPort
;
private
final
String
leaderHost
;
private
final
KafkaTopicPartition
topicPartition
;
private
final
int
cachedHash
;
public
KafkaTopicPartitionLeader
(
KafkaTopicPartition
topicPartition
,
Node
leader
)
{
this
.
topicPartition
=
topicPartition
;
if
(
leader
==
null
)
{
this
.
leaderId
=
-
1
;
this
.
leaderHost
=
null
;
this
.
leaderPort
=
-
1
;
}
else
{
this
.
leaderId
=
leader
.
id
();
this
.
leaderPort
=
leader
.
port
();
this
.
leaderHost
=
leader
.
host
();
}
int
cachedHash
=
(
leader
==
null
)
?
14
:
leader
.
hashCode
();
this
.
cachedHash
=
31
*
cachedHash
+
topicPartition
.
hashCode
();
}
public
KafkaTopicPartition
getTopicPartition
()
{
return
topicPartition
;
}
public
Node
getLeader
()
{
if
(
this
.
leaderId
==
-
1
)
{
return
null
;
}
else
{
return
new
Node
(
leaderId
,
leaderHost
,
leaderPort
);
}
}
public
static
Object
toString
(
List
<
KafkaTopicPartitionLeader
>
partitions
)
{
StringBuilder
sb
=
new
StringBuilder
();
for
(
KafkaTopicPartitionLeader
p:
partitions
)
{
sb
.
append
(
p
.
getTopicPartition
().
getTopic
()).
append
(
":"
).
append
(
p
.
getTopicPartition
().
getPartition
()).
append
(
", "
);
}
return
sb
.
toString
();
}
@Override
public
boolean
equals
(
Object
o
)
{
if
(
this
==
o
)
{
return
true
;
}
if
(!(
o
instanceof
KafkaTopicPartitionLeader
))
{
return
false
;
}
KafkaTopicPartitionLeader
that
=
(
KafkaTopicPartitionLeader
)
o
;
if
(!
topicPartition
.
equals
(
that
.
topicPartition
))
{
return
false
;
}
return
leaderId
==
that
.
leaderId
&&
leaderPort
==
that
.
leaderPort
&&
leaderHost
.
equals
(
that
.
leaderHost
);
}
@Override
public
int
hashCode
()
{
return
cachedHash
;
}
@Override
public
String
toString
()
{
return
"KafkaTopicPartitionLeader{"
+
"leaderId="
+
leaderId
+
", leaderPort="
+
leaderPort
+
", leaderHost='"
+
leaderHost
+
'\''
+
", topic="
+
topicPartition
.
getTopic
()
+
", partition="
+
topicPartition
.
getPartition
()
+
'}'
;
}
/**
* Replaces an existing KafkaTopicPartition ignoring the leader in the given map.
*
* @param newKey new topicpartition
* @param newValue new offset
* @param map map to do the search in
* @return oldValue the old value (offset)
*/
public
static
Long
replaceIgnoringLeader
(
KafkaTopicPartitionLeader
newKey
,
Long
newValue
,
Map
<
KafkaTopicPartitionLeader
,
Long
>
map
)
{
for
(
Map
.
Entry
<
KafkaTopicPartitionLeader
,
Long
>
entry:
map
.
entrySet
())
{
if
(
entry
.
getKey
().
getTopicPartition
().
equals
(
newKey
.
getTopicPartition
()))
{
Long
oldValue
=
map
.
remove
(
entry
.
getKey
());
if
(
map
.
put
(
newKey
,
newValue
)
!=
null
)
{
throw
new
IllegalStateException
(
"Key was not removed before"
);
}
return
oldValue
;
}
}
return
null
;
}
}
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/LegacyFetcher.java
浏览文件 @
fc8be1ca
此差异已折叠。
点击以展开。
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/OffsetHandler.java
浏览文件 @
fc8be1ca
...
@@ -19,8 +19,6 @@
...
@@ -19,8 +19,6 @@
package
org.apache.flink.streaming.connectors.kafka.internals
;
package
org.apache.flink.streaming.connectors.kafka.internals
;
import
org.apache.kafka.common.TopicPartition
;
import
java.io.IOException
;
import
java.io.IOException
;
import
java.util.List
;
import
java.util.List
;
import
java.util.Map
;
import
java.util.Map
;
...
@@ -38,7 +36,7 @@ public interface OffsetHandler {
...
@@ -38,7 +36,7 @@ public interface OffsetHandler {
*
*
* @param offsetsToCommit The offset to commit, per partition.
* @param offsetsToCommit The offset to commit, per partition.
*/
*/
void
commit
(
Map
<
TopicPartition
,
Long
>
offsetsToCommit
)
throws
Exception
;
void
commit
(
Map
<
Kafka
TopicPartition
,
Long
>
offsetsToCommit
)
throws
Exception
;
/**
/**
* Positions the given fetcher to the initial read offsets where the stream consumption
* Positions the given fetcher to the initial read offsets where the stream consumption
...
@@ -47,7 +45,7 @@ public interface OffsetHandler {
...
@@ -47,7 +45,7 @@ public interface OffsetHandler {
* @param partitions The partitions for which to seeks the fetcher to the beginning.
* @param partitions The partitions for which to seeks the fetcher to the beginning.
* @param fetcher The fetcher that will pull data from Kafka and must be positioned.
* @param fetcher The fetcher that will pull data from Kafka and must be positioned.
*/
*/
void
seekFetcherToInitialOffsets
(
List
<
TopicPartition
>
partitions
,
Fetcher
fetcher
)
throws
Exception
;
void
seekFetcherToInitialOffsets
(
List
<
KafkaTopicPartitionLeader
>
partitions
,
Fetcher
fetcher
)
throws
Exception
;
/**
/**
* Closes the offset handler, releasing all resources.
* Closes the offset handler, releasing all resources.
...
...
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/ZookeeperOffsetHandler.java
浏览文件 @
fc8be1ca
...
@@ -25,7 +25,6 @@ import kafka.utils.ZkUtils;
...
@@ -25,7 +25,6 @@ import kafka.utils.ZkUtils;
import
org.I0Itec.zkclient.ZkClient
;
import
org.I0Itec.zkclient.ZkClient
;
import
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
;
import
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
;
import
org.apache.kafka.clients.consumer.ConsumerConfig
;
import
org.apache.kafka.clients.consumer.ConsumerConfig
;
import
org.apache.kafka.common.TopicPartition
;
import
org.apache.zookeeper.data.Stat
;
import
org.apache.zookeeper.data.Stat
;
import
org.slf4j.Logger
;
import
org.slf4j.Logger
;
...
@@ -71,28 +70,28 @@ public class ZookeeperOffsetHandler implements OffsetHandler {
...
@@ -71,28 +70,28 @@ public class ZookeeperOffsetHandler implements OffsetHandler {
@Override
@Override
public
void
commit
(
Map
<
TopicPartition
,
Long
>
offsetsToCommit
)
{
public
void
commit
(
Map
<
Kafka
TopicPartition
,
Long
>
offsetsToCommit
)
{
for
(
Map
.
Entry
<
TopicPartition
,
Long
>
entry
:
offsetsToCommit
.
entrySet
())
{
for
(
Map
.
Entry
<
Kafka
TopicPartition
,
Long
>
entry
:
offsetsToCommit
.
entrySet
())
{
TopicPartition
tp
=
entry
.
getKey
();
Kafka
TopicPartition
tp
=
entry
.
getKey
();
long
offset
=
entry
.
getValue
();
long
offset
=
entry
.
getValue
();
if
(
offset
>=
0
)
{
if
(
offset
>=
0
)
{
setOffsetInZooKeeper
(
zkClient
,
groupId
,
tp
.
topic
(),
tp
.
p
artition
(),
offset
);
setOffsetInZooKeeper
(
zkClient
,
groupId
,
tp
.
getTopic
(),
tp
.
getP
artition
(),
offset
);
}
}
}
}
}
}
@Override
@Override
public
void
seekFetcherToInitialOffsets
(
List
<
TopicPartition
>
partitions
,
Fetcher
fetcher
)
{
public
void
seekFetcherToInitialOffsets
(
List
<
KafkaTopicPartitionLeader
>
partitions
,
Fetcher
fetcher
)
{
for
(
TopicPartition
tp
:
partitions
)
{
for
(
KafkaTopicPartitionLeader
tp
:
partitions
)
{
long
offset
=
getOffsetFromZooKeeper
(
zkClient
,
groupId
,
tp
.
topic
(),
tp
.
p
artition
());
long
offset
=
getOffsetFromZooKeeper
(
zkClient
,
groupId
,
tp
.
getTopicPartition
().
getTopic
(),
tp
.
getTopicPartition
().
getP
artition
());
if
(
offset
!=
OFFSET_NOT_SET
)
{
if
(
offset
!=
OFFSET_NOT_SET
)
{
LOG
.
info
(
"Offset for partition {} was set to {} in ZooKeeper. Seeking fetcher to that position."
,
LOG
.
info
(
"Offset for partition {} was set to {} in ZooKeeper. Seeking fetcher to that position."
,
tp
.
p
artition
(),
offset
);
tp
.
getTopicPartition
().
getP
artition
(),
offset
);
// the offset in Zookeeper was the last read offset, seek is accepting the next-to-read-offset.
// the offset in Zookeeper was the last read offset, seek is accepting the next-to-read-offset.
fetcher
.
seek
(
tp
,
offset
+
1
);
fetcher
.
seek
(
tp
.
getTopicPartition
()
,
offset
+
1
);
}
}
}
}
}
}
...
...
flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/partitioner/FixedPartitioner.java
浏览文件 @
fc8be1ca
...
@@ -59,12 +59,12 @@ public class FixedPartitioner extends KafkaPartitioner implements Serializable {
...
@@ -59,12 +59,12 @@ public class FixedPartitioner extends KafkaPartitioner implements Serializable {
@Override
@Override
public
void
open
(
int
parallelInstanceId
,
int
parallelInstances
,
int
[]
partitions
)
{
public
void
open
(
int
parallelInstanceId
,
int
parallelInstances
,
int
[]
partitions
)
{
int
p
=
0
;
int
p
=
0
;
for
(
int
i
=
0
;
i
<
parallelInstances
;
i
++)
{
for
(
int
i
=
0
;
i
<
parallelInstances
;
i
++)
{
if
(
i
==
parallelInstanceId
)
{
if
(
i
==
parallelInstanceId
)
{
targetPartition
=
partitions
[
p
];
targetPartition
=
partitions
[
p
];
return
;
return
;
}
}
if
(++
p
==
partitions
.
length
)
{
if
(++
p
==
partitions
.
length
)
{
p
=
0
;
p
=
0
;
}
}
}
}
...
@@ -72,7 +72,7 @@ public class FixedPartitioner extends KafkaPartitioner implements Serializable {
...
@@ -72,7 +72,7 @@ public class FixedPartitioner extends KafkaPartitioner implements Serializable {
@Override
@Override
public
int
partition
(
Object
element
,
int
numPartitions
)
{
public
int
partition
(
Object
element
,
int
numPartitions
)
{
if
(
targetPartition
==
-
1
)
{
if
(
targetPartition
==
-
1
)
{
throw
new
RuntimeException
(
"The partitioner has not been initialized properly"
);
throw
new
RuntimeException
(
"The partitioner has not been initialized properly"
);
}
}
return
targetPartition
;
return
targetPartition
;
...
...
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaConsumerPartitionAssignmentTest.java
浏览文件 @
fc8be1ca
...
@@ -19,10 +19,12 @@
...
@@ -19,10 +19,12 @@
package
org.apache.flink.streaming.connectors.kafka
;
package
org.apache.flink.streaming.connectors.kafka
;
import
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
;
import
org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition
;
import
org.apache.kafka.common.TopicPartition
;
import
org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartitionLeader
;
import
org.apache.kafka.common.Node
;
import
org.junit.Test
;
import
org.junit.Test
;
import
java.util.ArrayList
;
import
java.util.Arrays
;
import
java.util.Arrays
;
import
java.util.HashSet
;
import
java.util.HashSet
;
import
java.util.List
;
import
java.util.List
;
...
@@ -30,23 +32,30 @@ import java.util.Set;
...
@@ -30,23 +32,30 @@ import java.util.Set;
import
static
org
.
junit
.
Assert
.*;
import
static
org
.
junit
.
Assert
.*;
/**
/**
* Tests that the partition assignment is deterministic and stable.
* Tests that the partition assignment is deterministic and stable.
*/
*/
public
class
KafkaConsumerPartitionAssignmentTest
{
public
class
KafkaConsumerPartitionAssignmentTest
{
private
final
Node
fake
=
new
Node
(
1337
,
"localhost"
,
1337
);
@Test
@Test
public
void
testPartitionsEqualConsumers
()
{
public
void
testPartitionsEqualConsumers
()
{
try
{
try
{
int
[]
partitions
=
{
4
,
52
,
17
,
1
};
List
<
KafkaTopicPartitionLeader
>
inPartitions
=
new
ArrayList
<>();
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
4
),
fake
));
for
(
int
i
=
0
;
i
<
partitions
.
length
;
i
++)
{
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
52
),
fake
));
List
<
TopicPartition
>
parts
=
FlinkKafkaConsumer
.
assignPartitions
(
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
17
),
fake
));
partitions
,
"test-topic"
,
partitions
.
length
,
i
);
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
1
),
fake
));
for
(
int
i
=
0
;
i
<
inPartitions
.
size
();
i
++)
{
List
<
KafkaTopicPartitionLeader
>
parts
=
FlinkKafkaConsumer
.
assignPartitions
(
inPartitions
,
inPartitions
.
size
(),
i
);
assertNotNull
(
parts
);
assertNotNull
(
parts
);
assertEquals
(
1
,
parts
.
size
());
assertEquals
(
1
,
parts
.
size
());
assertTrue
(
contains
(
partitions
,
parts
.
get
(
0
).
p
artition
()));
assertTrue
(
contains
(
inPartitions
,
parts
.
get
(
0
).
getTopicPartition
().
getP
artition
()));
}
}
}
}
catch
(
Exception
e
)
{
catch
(
Exception
e
)
{
...
@@ -55,31 +64,43 @@ public class KafkaConsumerPartitionAssignmentTest {
...
@@ -55,31 +64,43 @@ public class KafkaConsumerPartitionAssignmentTest {
}
}
}
}
private
boolean
contains
(
List
<
KafkaTopicPartitionLeader
>
inPartitions
,
int
partition
)
{
for
(
KafkaTopicPartitionLeader
ktp:
inPartitions
)
{
if
(
ktp
.
getTopicPartition
().
getPartition
()
==
partition
)
{
return
true
;
}
}
return
false
;
}
@Test
@Test
public
void
testMultiplePartitionsPerConsumers
()
{
public
void
testMultiplePartitionsPerConsumers
()
{
try
{
try
{
final
int
[]
partitions
=
{
4
,
52
,
17
,
1
,
2
,
3
,
89
,
42
,
31
,
127
,
14
};
final
int
[]
partitionIDs
=
{
4
,
52
,
17
,
1
,
2
,
3
,
89
,
42
,
31
,
127
,
14
};
final
List
<
KafkaTopicPartitionLeader
>
partitions
=
new
ArrayList
<>();
final
Set
<
KafkaTopicPartitionLeader
>
allPartitions
=
new
HashSet
<>();
final
Set
<
Integer
>
allPartitions
=
new
HashSet
<>();
for
(
int
p
:
partitionIDs
)
{
for
(
int
i
:
partitions
)
{
KafkaTopicPartitionLeader
part
=
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
p
),
fake
);
allPartitions
.
add
(
i
);
partitions
.
add
(
part
);
allPartitions
.
add
(
part
);
}
}
final
int
numConsumers
=
3
;
final
int
numConsumers
=
3
;
final
int
minPartitionsPerConsumer
=
partitions
.
length
/
numConsumers
;
final
int
minPartitionsPerConsumer
=
partitions
.
size
()
/
numConsumers
;
final
int
maxPartitionsPerConsumer
=
partitions
.
length
/
numConsumers
+
1
;
final
int
maxPartitionsPerConsumer
=
partitions
.
size
()
/
numConsumers
+
1
;
for
(
int
i
=
0
;
i
<
numConsumers
;
i
++)
{
for
(
int
i
=
0
;
i
<
numConsumers
;
i
++)
{
List
<
TopicPartition
>
parts
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts
=
FlinkKafkaConsumer
.
assignPartitions
(
partitions
,
numConsumers
,
i
);
partitions
,
"test-topic"
,
numConsumers
,
i
);
assertNotNull
(
parts
);
assertNotNull
(
parts
);
assertTrue
(
parts
.
size
()
>=
minPartitionsPerConsumer
);
assertTrue
(
parts
.
size
()
>=
minPartitionsPerConsumer
);
assertTrue
(
parts
.
size
()
<=
maxPartitionsPerConsumer
);
assertTrue
(
parts
.
size
()
<=
maxPartitionsPerConsumer
);
for
(
TopicPartition
p
:
parts
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allPartitions
.
remove
(
p
));
}
}
}
}
...
@@ -95,25 +116,26 @@ public class KafkaConsumerPartitionAssignmentTest {
...
@@ -95,25 +116,26 @@ public class KafkaConsumerPartitionAssignmentTest {
@Test
@Test
public
void
testPartitionsFewerThanConsumers
()
{
public
void
testPartitionsFewerThanConsumers
()
{
try
{
try
{
final
int
[]
partitions
=
{
4
,
52
,
17
,
1
};
List
<
KafkaTopicPartitionLeader
>
inPartitions
=
new
ArrayList
<>();
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
4
),
fake
));
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
52
),
fake
));
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
17
),
fake
));
inPartitions
.
add
(
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
1
),
fake
));
final
Set
<
Integ
er
>
allPartitions
=
new
HashSet
<>();
final
Set
<
KafkaTopicPartitionLead
er
>
allPartitions
=
new
HashSet
<>();
for
(
int
i
:
partitions
)
{
allPartitions
.
addAll
(
inPartitions
);
allPartitions
.
add
(
i
);
}
final
int
numConsumers
=
2
*
inPartitions
.
size
()
+
3
;
final
int
numConsumers
=
2
*
partitions
.
length
+
3
;
for
(
int
i
=
0
;
i
<
numConsumers
;
i
++)
{
for
(
int
i
=
0
;
i
<
numConsumers
;
i
++)
{
List
<
TopicPartition
>
parts
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts
=
FlinkKafkaConsumer
.
assignPartitions
(
inPartitions
,
numConsumers
,
i
);
partitions
,
"test-topic"
,
numConsumers
,
i
);
assertNotNull
(
parts
);
assertNotNull
(
parts
);
assertTrue
(
parts
.
size
()
<=
1
);
assertTrue
(
parts
.
size
()
<=
1
);
for
(
TopicPartition
p
:
parts
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allPartitions
.
remove
(
p
));
}
}
}
}
...
@@ -125,15 +147,16 @@ public class KafkaConsumerPartitionAssignmentTest {
...
@@ -125,15 +147,16 @@ public class KafkaConsumerPartitionAssignmentTest {
fail
(
e
.
getMessage
());
fail
(
e
.
getMessage
());
}
}
}
}
@Test
@Test
public
void
testAssignEmptyPartitions
()
{
public
void
testAssignEmptyPartitions
()
{
try
{
try
{
List
<
TopicPartition
>
parts1
=
FlinkKafkaConsumer
.
assignPartitions
(
new
int
[
0
],
"test-topic"
,
4
,
2
);
List
<
KafkaTopicPartitionLeader
>
ep
=
new
ArrayList
<>();
List
<
KafkaTopicPartitionLeader
>
parts1
=
FlinkKafkaConsumer
.
assignPartitions
(
ep
,
4
,
2
);
assertNotNull
(
parts1
);
assertNotNull
(
parts1
);
assertTrue
(
parts1
.
isEmpty
());
assertTrue
(
parts1
.
isEmpty
());
List
<
TopicPartition
>
parts2
=
FlinkKafkaConsumer
.
assignPartitions
(
new
int
[
0
],
"test-topic"
,
1
,
0
);
List
<
KafkaTopicPartitionLeader
>
parts2
=
FlinkKafkaConsumer
.
assignPartitions
(
ep
,
1
,
0
);
assertNotNull
(
parts2
);
assertNotNull
(
parts2
);
assertTrue
(
parts2
.
isEmpty
());
assertTrue
(
parts2
.
isEmpty
());
}
}
...
@@ -146,35 +169,36 @@ public class KafkaConsumerPartitionAssignmentTest {
...
@@ -146,35 +169,36 @@ public class KafkaConsumerPartitionAssignmentTest {
@Test
@Test
public
void
testGrowingPartitionsRemainsStable
()
{
public
void
testGrowingPartitionsRemainsStable
()
{
try
{
try
{
final
int
[]
newPartitions
=
{
4
,
52
,
17
,
1
,
2
,
3
,
89
,
42
,
31
,
127
,
14
};
final
int
[]
newPartition
ID
s
=
{
4
,
52
,
17
,
1
,
2
,
3
,
89
,
42
,
31
,
127
,
14
};
final
int
[]
initialPartitions
=
Arrays
.
copyOfRange
(
newPartitions
,
0
,
7
);
List
<
KafkaTopicPartitionLeader
>
newPartitions
=
new
ArrayList
<>(
);
final
Set
<
Integer
>
allNewPartitions
=
new
HashSet
<>();
for
(
int
p
:
newPartitionIDs
)
{
final
Set
<
Integer
>
allInitialPartitions
=
new
HashSet
<>();
KafkaTopicPartitionLeader
part
=
new
KafkaTopicPartitionLeader
(
new
KafkaTopicPartition
(
"test-topic"
,
p
),
fake
);
for
(
int
i
:
newPartitions
)
{
newPartitions
.
add
(
part
);
allNewPartitions
.
add
(
i
);
}
for
(
int
i
:
initialPartitions
)
{
allInitialPartitions
.
add
(
i
);
}
}
List
<
KafkaTopicPartitionLeader
>
initialPartitions
=
newPartitions
.
subList
(
0
,
7
);
final
Set
<
KafkaTopicPartitionLeader
>
allNewPartitions
=
new
HashSet
<>(
newPartitions
);
final
Set
<
KafkaTopicPartitionLeader
>
allInitialPartitions
=
new
HashSet
<>(
initialPartitions
);
final
int
numConsumers
=
3
;
final
int
numConsumers
=
3
;
final
int
minInitialPartitionsPerConsumer
=
initialPartitions
.
length
/
numConsumers
;
final
int
minInitialPartitionsPerConsumer
=
initialPartitions
.
size
()
/
numConsumers
;
final
int
maxInitialPartitionsPerConsumer
=
initialPartitions
.
length
/
numConsumers
+
1
;
final
int
maxInitialPartitionsPerConsumer
=
initialPartitions
.
size
()
/
numConsumers
+
1
;
final
int
minNewPartitionsPerConsumer
=
newPartitions
.
length
/
numConsumers
;
final
int
minNewPartitionsPerConsumer
=
newPartitions
.
size
()
/
numConsumers
;
final
int
maxNewPartitionsPerConsumer
=
newPartitions
.
length
/
numConsumers
+
1
;
final
int
maxNewPartitionsPerConsumer
=
newPartitions
.
size
()
/
numConsumers
+
1
;
List
<
TopicPartition
>
parts1
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts1
=
FlinkKafkaConsumer
.
assignPartitions
(
initialPartitions
,
"test-topic"
,
numConsumers
,
0
);
initialPartitions
,
numConsumers
,
0
);
List
<
TopicPartition
>
parts2
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts2
=
FlinkKafkaConsumer
.
assignPartitions
(
initialPartitions
,
"test-topic"
,
numConsumers
,
1
);
initialPartitions
,
numConsumers
,
1
);
List
<
TopicPartition
>
parts3
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts3
=
FlinkKafkaConsumer
.
assignPartitions
(
initialPartitions
,
"test-topic"
,
numConsumers
,
2
);
initialPartitions
,
numConsumers
,
2
);
assertNotNull
(
parts1
);
assertNotNull
(
parts1
);
assertNotNull
(
parts2
);
assertNotNull
(
parts2
);
assertNotNull
(
parts3
);
assertNotNull
(
parts3
);
assertTrue
(
parts1
.
size
()
>=
minInitialPartitionsPerConsumer
);
assertTrue
(
parts1
.
size
()
>=
minInitialPartitionsPerConsumer
);
assertTrue
(
parts1
.
size
()
<=
maxInitialPartitionsPerConsumer
);
assertTrue
(
parts1
.
size
()
<=
maxInitialPartitionsPerConsumer
);
assertTrue
(
parts2
.
size
()
>=
minInitialPartitionsPerConsumer
);
assertTrue
(
parts2
.
size
()
>=
minInitialPartitionsPerConsumer
);
...
@@ -182,37 +206,37 @@ public class KafkaConsumerPartitionAssignmentTest {
...
@@ -182,37 +206,37 @@ public class KafkaConsumerPartitionAssignmentTest {
assertTrue
(
parts3
.
size
()
>=
minInitialPartitionsPerConsumer
);
assertTrue
(
parts3
.
size
()
>=
minInitialPartitionsPerConsumer
);
assertTrue
(
parts3
.
size
()
<=
maxInitialPartitionsPerConsumer
);
assertTrue
(
parts3
.
size
()
<=
maxInitialPartitionsPerConsumer
);
for
(
TopicPartition
p
:
parts1
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts1
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allInitialPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allInitialPartitions
.
remove
(
p
));
}
}
for
(
TopicPartition
p
:
parts2
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts2
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allInitialPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allInitialPartitions
.
remove
(
p
));
}
}
for
(
TopicPartition
p
:
parts3
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts3
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allInitialPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allInitialPartitions
.
remove
(
p
));
}
}
// all partitions must have been assigned
// all partitions must have been assigned
assertTrue
(
allInitialPartitions
.
isEmpty
());
assertTrue
(
allInitialPartitions
.
isEmpty
());
// grow the set of partitions and distribute anew
// grow the set of partitions and distribute anew
List
<
TopicPartition
>
parts1new
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts1new
=
FlinkKafkaConsumer
.
assignPartitions
(
newPartitions
,
"test-topic"
,
numConsumers
,
0
);
newPartitions
,
numConsumers
,
0
);
List
<
TopicPartition
>
parts2new
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts2new
=
FlinkKafkaConsumer
.
assignPartitions
(
newPartitions
,
"test-topic"
,
numConsumers
,
1
);
newPartitions
,
numConsumers
,
1
);
List
<
TopicPartition
>
parts3new
=
FlinkKafkaConsumer
.
assignPartitions
(
List
<
KafkaTopicPartitionLeader
>
parts3new
=
FlinkKafkaConsumer
.
assignPartitions
(
newPartitions
,
"test-topic"
,
numConsumers
,
2
);
newPartitions
,
numConsumers
,
2
);
// new partitions must include all old partitions
// new partitions must include all old partitions
assertTrue
(
parts1new
.
size
()
>
parts1
.
size
());
assertTrue
(
parts1new
.
size
()
>
parts1
.
size
());
assertTrue
(
parts2new
.
size
()
>
parts2
.
size
());
assertTrue
(
parts2new
.
size
()
>
parts2
.
size
());
assertTrue
(
parts3new
.
size
()
>
parts3
.
size
());
assertTrue
(
parts3new
.
size
()
>
parts3
.
size
());
assertTrue
(
parts1new
.
containsAll
(
parts1
));
assertTrue
(
parts1new
.
containsAll
(
parts1
));
assertTrue
(
parts2new
.
containsAll
(
parts2
));
assertTrue
(
parts2new
.
containsAll
(
parts2
));
assertTrue
(
parts3new
.
containsAll
(
parts3
));
assertTrue
(
parts3new
.
containsAll
(
parts3
));
...
@@ -224,17 +248,17 @@ public class KafkaConsumerPartitionAssignmentTest {
...
@@ -224,17 +248,17 @@ public class KafkaConsumerPartitionAssignmentTest {
assertTrue
(
parts3new
.
size
()
>=
minNewPartitionsPerConsumer
);
assertTrue
(
parts3new
.
size
()
>=
minNewPartitionsPerConsumer
);
assertTrue
(
parts3new
.
size
()
<=
maxNewPartitionsPerConsumer
);
assertTrue
(
parts3new
.
size
()
<=
maxNewPartitionsPerConsumer
);
for
(
TopicPartition
p
:
parts1new
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts1new
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allNewPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allNewPartitions
.
remove
(
p
));
}
}
for
(
TopicPartition
p
:
parts2new
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts2new
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allNewPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allNewPartitions
.
remove
(
p
));
}
}
for
(
TopicPartition
p
:
parts3new
)
{
for
(
KafkaTopicPartitionLeader
p
:
parts3new
)
{
// check that the element was actually contained
// check that the element was actually contained
assertTrue
(
allNewPartitions
.
remove
(
p
.
partition
()
));
assertTrue
(
allNewPartitions
.
remove
(
p
));
}
}
// all partitions must have been assigned
// all partitions must have been assigned
...
@@ -245,13 +269,5 @@ public class KafkaConsumerPartitionAssignmentTest {
...
@@ -245,13 +269,5 @@ public class KafkaConsumerPartitionAssignmentTest {
fail
(
e
.
getMessage
());
fail
(
e
.
getMessage
());
}
}
}
}
private
static
boolean
contains
(
int
[]
array
,
int
value
)
{
for
(
int
i
:
array
)
{
if
(
i
==
value
)
{
return
true
;
}
}
return
false
;
}
}
}
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaConsumerTest.java
浏览文件 @
fc8be1ca
...
@@ -21,13 +21,16 @@ package org.apache.flink.streaming.connectors.kafka;
...
@@ -21,13 +21,16 @@ package org.apache.flink.streaming.connectors.kafka;
import
org.apache.commons.collections.map.LinkedMap
;
import
org.apache.commons.collections.map.LinkedMap
;
import
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
;
import
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
;
import
org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition
;
import
org.apache.flink.streaming.util.serialization.SimpleStringSchema
;
import
org.apache.flink.streaming.util.serialization.SimpleStringSchema
;
import
org.apache.kafka.clients.consumer.ConsumerConfig
;
import
org.apache.kafka.clients.consumer.ConsumerConfig
;
import
org.junit.Ignore
;
import
org.junit.Ignore
;
import
org.junit.Test
;
import
org.junit.Test
;
import
java.lang.reflect.Field
;
import
java.lang.reflect.Field
;
import
java.util.Arrays
;
import
java.util.Collections
;
import
java.util.HashMap
;
import
java.util.Map
;
import
java.util.Properties
;
import
java.util.Properties
;
import
static
org
.
junit
.
Assert
.*;
import
static
org
.
junit
.
Assert
.*;
...
@@ -82,37 +85,45 @@ public class KafkaConsumerTest {
...
@@ -82,37 +85,45 @@ public class KafkaConsumerTest {
Field
offsetsField
=
FlinkKafkaConsumer
.
class
.
getDeclaredField
(
"lastOffsets"
);
Field
offsetsField
=
FlinkKafkaConsumer
.
class
.
getDeclaredField
(
"lastOffsets"
);
Field
runningField
=
FlinkKafkaConsumer
.
class
.
getDeclaredField
(
"running"
);
Field
runningField
=
FlinkKafkaConsumer
.
class
.
getDeclaredField
(
"running"
);
Field
mapField
=
FlinkKafkaConsumer
.
class
.
getDeclaredField
(
"pendingCheckpoints"
);
Field
mapField
=
FlinkKafkaConsumer
.
class
.
getDeclaredField
(
"pendingCheckpoints"
);
offsetsField
.
setAccessible
(
true
);
offsetsField
.
setAccessible
(
true
);
runningField
.
setAccessible
(
true
);
runningField
.
setAccessible
(
true
);
mapField
.
setAccessible
(
true
);
mapField
.
setAccessible
(
true
);
FlinkKafkaConsumer
<?>
consumer
=
mock
(
FlinkKafkaConsumer
.
class
);
FlinkKafkaConsumer
<?>
consumer
=
mock
(
FlinkKafkaConsumer
.
class
);
when
(
consumer
.
snapshotState
(
anyLong
(),
anyLong
())).
thenCallRealMethod
();
when
(
consumer
.
snapshotState
(
anyLong
(),
anyLong
())).
thenCallRealMethod
();
long
[]
testOffsets
=
new
long
[]
{
43
,
6146
,
133
,
16
,
162
,
616
};
HashMap
<
KafkaTopicPartition
,
Long
>
testOffsets
=
new
HashMap
<>();
long
[]
offsets
=
new
long
[]
{
43
,
6146
,
133
,
16
,
162
,
616
};
int
j
=
0
;
for
(
long
i:
offsets
)
{
KafkaTopicPartition
ktp
=
new
KafkaTopicPartition
(
"topic"
,
j
++);
testOffsets
.
put
(
ktp
,
i
);
}
LinkedMap
map
=
new
LinkedMap
();
LinkedMap
map
=
new
LinkedMap
();
offsetsField
.
set
(
consumer
,
testOffsets
);
offsetsField
.
set
(
consumer
,
testOffsets
);
runningField
.
set
(
consumer
,
true
);
runningField
.
set
(
consumer
,
true
);
mapField
.
set
(
consumer
,
map
);
mapField
.
set
(
consumer
,
map
);
assertTrue
(
map
.
isEmpty
());
assertTrue
(
map
.
isEmpty
());
// make multiple checkpoints
// make multiple checkpoints
for
(
long
checkpointId
=
10L
;
checkpointId
<=
2000L
;
checkpointId
+=
9L
)
{
for
(
long
checkpointId
=
10L
;
checkpointId
<=
2000L
;
checkpointId
+=
9L
)
{
long
[]
checkpoint
=
consumer
.
snapshotState
(
checkpointId
,
47
*
checkpointId
);
HashMap
<
KafkaTopicPartition
,
Long
>
checkpoint
=
consumer
.
snapshotState
(
checkpointId
,
47
*
checkpointId
);
assert
Array
Equals
(
testOffsets
,
checkpoint
);
assertEquals
(
testOffsets
,
checkpoint
);
// change the offsets, make sure the snapshot did not change
// change the offsets, make sure the snapshot did not change
long
[]
checkpointCopy
=
Arrays
.
copyOf
(
checkpoint
,
checkpoint
.
length
);
HashMap
<
KafkaTopicPartition
,
Long
>
checkpointCopy
=
(
HashMap
<
KafkaTopicPartition
,
Long
>)
checkpoint
.
clone
(
);
for
(
int
i
=
0
;
i
<
testOffsets
.
length
;
i
++
)
{
for
(
Map
.
Entry
<
KafkaTopicPartition
,
Long
>
e:
testOffsets
.
entrySet
()
)
{
testOffsets
[
i
]
+=
1L
;
testOffsets
.
put
(
e
.
getKey
(),
e
.
getValue
()
+
1
)
;
}
}
assert
Array
Equals
(
checkpointCopy
,
checkpoint
);
assertEquals
(
checkpointCopy
,
checkpoint
);
assertTrue
(
map
.
size
()
>
0
);
assertTrue
(
map
.
size
()
>
0
);
assertTrue
(
map
.
size
()
<=
FlinkKafkaConsumer
.
MAX_NUM_PENDING_CHECKPOINTS
);
assertTrue
(
map
.
size
()
<=
FlinkKafkaConsumer
.
MAX_NUM_PENDING_CHECKPOINTS
);
}
}
...
@@ -132,7 +143,7 @@ public class KafkaConsumerTest {
...
@@ -132,7 +143,7 @@ public class KafkaConsumerTest {
props
.
setProperty
(
"bootstrap.servers"
,
"localhost:11111, localhost:22222"
);
props
.
setProperty
(
"bootstrap.servers"
,
"localhost:11111, localhost:22222"
);
props
.
setProperty
(
"group.id"
,
"non-existent-group"
);
props
.
setProperty
(
"group.id"
,
"non-existent-group"
);
new
FlinkKafkaConsumer
<>(
"no op topic"
,
new
SimpleStringSchema
(),
props
,
new
FlinkKafkaConsumer
<>(
Collections
.
singletonList
(
"no op topic"
)
,
new
SimpleStringSchema
(),
props
,
FlinkKafkaConsumer
.
OffsetStore
.
FLINK_ZOOKEEPER
,
FlinkKafkaConsumer
.
OffsetStore
.
FLINK_ZOOKEEPER
,
FlinkKafkaConsumer
.
FetcherType
.
LEGACY_LOW_LEVEL
);
FlinkKafkaConsumer
.
FetcherType
.
LEGACY_LOW_LEVEL
);
}
}
...
...
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaConsumerTestBase.java
浏览文件 @
fc8be1ca
...
@@ -32,12 +32,16 @@ import org.I0Itec.zkclient.ZkClient;
...
@@ -32,12 +32,16 @@ import org.I0Itec.zkclient.ZkClient;
import
org.apache.commons.collections.map.LinkedMap
;
import
org.apache.commons.collections.map.LinkedMap
;
import
org.apache.flink.api.common.ExecutionConfig
;
import
org.apache.flink.api.common.ExecutionConfig
;
import
org.apache.flink.api.common.functions.FlatMapFunction
;
import
org.apache.flink.api.common.functions.RichFlatMapFunction
;
import
org.apache.flink.api.common.functions.RichFlatMapFunction
;
import
org.apache.flink.api.common.functions.RichMapFunction
;
import
org.apache.flink.api.common.functions.RichMapFunction
;
import
org.apache.flink.api.common.typeinfo.BasicTypeInfo
;
import
org.apache.flink.api.common.typeinfo.BasicTypeInfo
;
import
org.apache.flink.api.common.typeinfo.TypeInformation
;
import
org.apache.flink.api.common.typeinfo.TypeInformation
;
import
org.apache.flink.api.common.typeutils.TypeSerializer
;
import
org.apache.flink.api.java.tuple.Tuple2
;
import
org.apache.flink.api.java.tuple.Tuple2
;
import
org.apache.flink.api.java.tuple.Tuple3
;
import
org.apache.flink.api.java.typeutils.TypeInfoParser
;
import
org.apache.flink.api.java.typeutils.TypeInfoParser
;
import
org.apache.flink.api.java.typeutils.runtime.ByteArrayInputView
;
import
org.apache.flink.client.program.ProgramInvocationException
;
import
org.apache.flink.client.program.ProgramInvocationException
;
import
org.apache.flink.configuration.Configuration
;
import
org.apache.flink.configuration.Configuration
;
import
org.apache.flink.runtime.client.JobExecutionException
;
import
org.apache.flink.runtime.client.JobExecutionException
;
...
@@ -52,6 +56,8 @@ import org.apache.flink.streaming.api.functions.sink.SinkFunction;
...
@@ -52,6 +56,8 @@ import org.apache.flink.streaming.api.functions.sink.SinkFunction;
import
org.apache.flink.streaming.api.functions.source.RichParallelSourceFunction
;
import
org.apache.flink.streaming.api.functions.source.RichParallelSourceFunction
;
import
org.apache.flink.streaming.api.functions.source.RichSourceFunction
;
import
org.apache.flink.streaming.api.functions.source.RichSourceFunction
;
import
org.apache.flink.streaming.api.functions.source.SourceFunction
;
import
org.apache.flink.streaming.api.functions.source.SourceFunction
;
import
org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition
;
import
org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartitionLeader
;
import
org.apache.flink.streaming.connectors.kafka.internals.ZookeeperOffsetHandler
;
import
org.apache.flink.streaming.connectors.kafka.internals.ZookeeperOffsetHandler
;
import
org.apache.flink.streaming.connectors.kafka.testutils.DataGenerators
;
import
org.apache.flink.streaming.connectors.kafka.testutils.DataGenerators
;
import
org.apache.flink.streaming.connectors.kafka.testutils.DiscardingSink
;
import
org.apache.flink.streaming.connectors.kafka.testutils.DiscardingSink
;
...
@@ -74,6 +80,7 @@ import org.apache.flink.testutils.junit.RetryRule;
...
@@ -74,6 +80,7 @@ import org.apache.flink.testutils.junit.RetryRule;
import
org.apache.flink.util.Collector
;
import
org.apache.flink.util.Collector
;
import
org.apache.flink.util.NetUtils
;
import
org.apache.flink.util.NetUtils
;
import
org.apache.flink.util.StringUtils
;
import
org.apache.kafka.clients.producer.ProducerConfig
;
import
org.apache.kafka.clients.producer.ProducerConfig
;
import
org.junit.Assert
;
import
org.junit.Assert
;
...
@@ -87,6 +94,7 @@ import java.util.Arrays;
...
@@ -87,6 +94,7 @@ import java.util.Arrays;
import
java.util.BitSet
;
import
java.util.BitSet
;
import
java.util.Collections
;
import
java.util.Collections
;
import
java.util.Date
;
import
java.util.Date
;
import
java.util.HashMap
;
import
java.util.List
;
import
java.util.List
;
import
java.util.Map
;
import
java.util.Map
;
import
java.util.Properties
;
import
java.util.Properties
;
...
@@ -94,7 +102,6 @@ import java.util.Random;
...
@@ -94,7 +102,6 @@ import java.util.Random;
import
java.util.UUID
;
import
java.util.UUID
;
import
java.util.concurrent.atomic.AtomicReference
;
import
java.util.concurrent.atomic.AtomicReference
;
import
static
org
.
junit
.
Assert
.
assertArrayEquals
;
import
static
org
.
junit
.
Assert
.
assertEquals
;
import
static
org
.
junit
.
Assert
.
assertEquals
;
import
static
org
.
junit
.
Assert
.
assertFalse
;
import
static
org
.
junit
.
Assert
.
assertFalse
;
import
static
org
.
junit
.
Assert
.
assertNotNull
;
import
static
org
.
junit
.
Assert
.
assertNotNull
;
...
@@ -148,8 +155,8 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -148,8 +155,8 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
stream
.
print
();
stream
.
print
();
see
.
execute
(
"No broker test"
);
see
.
execute
(
"No broker test"
);
}
catch
(
RuntimeException
re
){
}
catch
(
RuntimeException
re
){
Assert
.
assertTrue
(
"Wrong RuntimeException thrown
"
,
Assert
.
assertTrue
(
"Wrong RuntimeException thrown
: "
+
StringUtils
.
stringifyException
(
re
)
,
re
.
getMessage
().
contains
(
"Unable to retrieve any partitions for t
opic
"
));
re
.
getMessage
().
contains
(
"Unable to retrieve any partitions for t
he requested topics [doesntexist]
"
));
}
}
}
}
/**
/**
...
@@ -166,19 +173,21 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -166,19 +173,21 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
Assert
.
assertEquals
(
0
,
pendingCheckpoints
.
size
());
Assert
.
assertEquals
(
0
,
pendingCheckpoints
.
size
());
source
.
setRuntimeContext
(
new
MockRuntimeContext
(
1
,
0
));
source
.
setRuntimeContext
(
new
MockRuntimeContext
(
1
,
0
));
final
long
[]
initialOffsets
=
new
long
[]
{
1337
};
final
HashMap
<
KafkaTopicPartition
,
Long
>
initialOffsets
=
new
HashMap
<>();
initialOffsets
.
put
(
new
KafkaTopicPartition
(
"testCheckpointing"
,
0
),
1337L
);
// first restore
// first restore
source
.
restoreState
(
initialOffsets
);
source
.
restoreState
(
initialOffsets
);
// then open
// then open
source
.
open
(
new
Configuration
());
source
.
open
(
new
Configuration
());
long
[]
state1
=
source
.
snapshotState
(
1
,
15
);
HashMap
<
KafkaTopicPartition
,
Long
>
state1
=
source
.
snapshotState
(
1
,
15
);
assertArrayEquals
(
initialOffsets
,
state1
);
assertEquals
(
initialOffsets
,
state1
);
HashMap
<
KafkaTopicPartition
,
Long
>
state2
=
source
.
snapshotState
(
2
,
30
);
Assert
.
assertEquals
(
initialOffsets
,
state2
);
long
[]
state2
=
source
.
snapshotState
(
2
,
30
);
Assert
.
assertArrayEquals
(
initialOffsets
,
state2
);
Assert
.
assertEquals
(
2
,
pendingCheckpoints
.
size
());
Assert
.
assertEquals
(
2
,
pendingCheckpoints
.
size
());
source
.
notifyCheckpointComplete
(
1
);
source
.
notifyCheckpointComplete
(
1
);
...
@@ -772,6 +781,92 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -772,6 +781,92 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
deleteTestTopic
(
topic
);
deleteTestTopic
(
topic
);
}
}
public
void
runConsumeMultipleTopics
()
throws
java
.
lang
.
Exception
{
final
int
NUM_TOPICS
=
5
;
final
int
NUM_ELEMENTS
=
20
;
final
StreamExecutionEnvironment
env
=
StreamExecutionEnvironment
.
createRemoteEnvironment
(
"localhost"
,
flinkPort
);
// create topics with content
final
List
<
String
>
topics
=
new
ArrayList
<>();
for
(
int
i
=
0
;
i
<
NUM_TOPICS
;
i
++)
{
final
String
topic
=
"topic-"
+
i
;
topics
.
add
(
topic
);
// create topic
createTestTopic
(
topic
,
i
+
1
/*partitions*/
,
1
);
// write something
writeSequence
(
env
,
topic
,
NUM_ELEMENTS
,
i
+
1
);
}
// validate getPartitionsForTopic method
List
<
KafkaTopicPartitionLeader
>
topicPartitions
=
FlinkKafkaConsumer082
.
getPartitionsForTopic
(
topics
,
standardProps
);
Assert
.
assertEquals
((
NUM_TOPICS
*
(
NUM_TOPICS
+
1
))/
2
,
topicPartitions
.
size
());
KeyedDeserializationSchema
<
Tuple3
<
Integer
,
Integer
,
String
>>
readSchema
=
new
Tuple2WithTopicDeserializationSchema
(
env
.
getConfig
());
DataStreamSource
<
Tuple3
<
Integer
,
Integer
,
String
>>
stream
=
env
.
addSource
(
new
FlinkKafkaConsumer082
<>(
topics
,
readSchema
,
standardProps
));
stream
.
flatMap
(
new
FlatMapFunction
<
Tuple3
<
Integer
,
Integer
,
String
>,
Integer
>()
{
Map
<
String
,
Integer
>
countPerTopic
=
new
HashMap
<>(
NUM_TOPICS
);
@Override
public
void
flatMap
(
Tuple3
<
Integer
,
Integer
,
String
>
value
,
Collector
<
Integer
>
out
)
throws
Exception
{
Integer
count
=
countPerTopic
.
get
(
value
.
f2
);
if
(
count
==
null
)
{
count
=
1
;
}
else
{
count
++;
}
countPerTopic
.
put
(
value
.
f2
,
count
);
// check map:
for
(
Map
.
Entry
<
String
,
Integer
>
el:
countPerTopic
.
entrySet
())
{
if
(
el
.
getValue
()
<
NUM_ELEMENTS
)
{
break
;
// not enough yet
}
if
(
el
.
getValue
()
>
NUM_ELEMENTS
)
{
throw
new
RuntimeException
(
"There is a failure in the test. I've read "
+
el
.
getValue
()
+
" from topic "
+
el
.
getKey
());
}
}
// we've seen messages from all topics
throw
new
SuccessException
();
}
}).
setParallelism
(
1
);
tryExecute
(
env
,
"Count elements from the topics"
);
// delete all topics again
for
(
int
i
=
0
;
i
<
NUM_TOPICS
;
i
++)
{
final
String
topic
=
"topic-"
+
i
;
deleteTestTopic
(
topic
);
}
}
private
static
class
Tuple2WithTopicDeserializationSchema
implements
KeyedDeserializationSchema
<
Tuple3
<
Integer
,
Integer
,
String
>>
{
TypeSerializer
ts
;
public
Tuple2WithTopicDeserializationSchema
(
ExecutionConfig
ec
)
{
ts
=
TypeInfoParser
.
parse
(
"Tuple2<Integer, Integer>"
).
createSerializer
(
ec
);
}
@Override
public
Tuple3
<
Integer
,
Integer
,
String
>
deserialize
(
byte
[]
messageKey
,
byte
[]
message
,
String
topic
,
long
offset
)
throws
IOException
{
Tuple2
<
Integer
,
Integer
>
t2
=
(
Tuple2
<
Integer
,
Integer
>)
ts
.
deserialize
(
new
ByteArrayInputView
(
message
));
return
new
Tuple3
<>(
t2
.
f0
,
t2
.
f1
,
topic
);
}
@Override
public
boolean
isEndOfStream
(
Tuple3
<
Integer
,
Integer
,
String
>
nextElement
)
{
return
false
;
}
@Override
public
TypeInformation
<
Tuple3
<
Integer
,
Integer
,
String
>>
getProducedType
()
{
return
TypeInfoParser
.
parse
(
"Tuple3<Integer, Integer, String>"
);
}
}
/**
/**
* Test Flink's Kafka integration also with very big records (30MB)
* Test Flink's Kafka integration also with very big records (30MB)
* see http://stackoverflow.com/questions/21020347/kafka-sending-a-15mb-message
* see http://stackoverflow.com/questions/21020347/kafka-sending-a-15mb-message
...
@@ -816,13 +911,13 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -816,13 +911,13 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
elCnt
++;
elCnt
++;
if
(
value
.
f0
==
-
1
)
{
if
(
value
.
f0
==
-
1
)
{
// we should have seen 11 elements now.
// we should have seen 11 elements now.
if
(
elCnt
==
11
)
{
if
(
elCnt
==
11
)
{
throw
new
SuccessException
();
throw
new
SuccessException
();
}
else
{
}
else
{
throw
new
RuntimeException
(
"There have been "
+
elCnt
+
" elements"
);
throw
new
RuntimeException
(
"There have been "
+
elCnt
+
" elements"
);
}
}
}
}
if
(
elCnt
>
10
)
{
if
(
elCnt
>
10
)
{
throw
new
RuntimeException
(
"More than 10 elements seen: "
+
elCnt
);
throw
new
RuntimeException
(
"More than 10 elements seen: "
+
elCnt
);
}
}
}
}
...
@@ -965,7 +1060,7 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -965,7 +1060,7 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
@Override
@Override
public
void
run
(
SourceContext
<
Tuple2
<
Long
,
PojoValue
>>
ctx
)
throws
Exception
{
public
void
run
(
SourceContext
<
Tuple2
<
Long
,
PojoValue
>>
ctx
)
throws
Exception
{
Random
rnd
=
new
Random
(
1337
);
Random
rnd
=
new
Random
(
1337
);
for
(
long
i
=
0
;
i
<
ELEMENT_COUNT
;
i
++)
{
for
(
long
i
=
0
;
i
<
ELEMENT_COUNT
;
i
++)
{
PojoValue
pojo
=
new
PojoValue
();
PojoValue
pojo
=
new
PojoValue
();
pojo
.
when
=
new
Date
(
rnd
.
nextLong
());
pojo
.
when
=
new
Date
(
rnd
.
nextLong
());
pojo
.
lon
=
rnd
.
nextLong
();
pojo
.
lon
=
rnd
.
nextLong
();
...
@@ -1002,13 +1097,13 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -1002,13 +1097,13 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
public
void
flatMap
(
Tuple2
<
Long
,
PojoValue
>
value
,
Collector
<
Object
>
out
)
throws
Exception
{
public
void
flatMap
(
Tuple2
<
Long
,
PojoValue
>
value
,
Collector
<
Object
>
out
)
throws
Exception
{
// the elements should be in order.
// the elements should be in order.
Assert
.
assertTrue
(
"Wrong value "
+
value
.
f1
.
lat
,
value
.
f1
.
lat
==
counter
);
Assert
.
assertTrue
(
"Wrong value "
+
value
.
f1
.
lat
,
value
.
f1
.
lat
==
counter
);
if
(
value
.
f1
.
lat
%
2
==
0
)
{
if
(
value
.
f1
.
lat
%
2
==
0
)
{
Assert
.
assertNull
(
"key was not null"
,
value
.
f0
);
Assert
.
assertNull
(
"key was not null"
,
value
.
f0
);
}
else
{
}
else
{
Assert
.
assertTrue
(
"Wrong value "
+
value
.
f0
,
value
.
f0
==
counter
);
Assert
.
assertTrue
(
"Wrong value "
+
value
.
f0
,
value
.
f0
==
counter
);
}
}
counter
++;
counter
++;
if
(
counter
==
ELEMENT_COUNT
)
{
if
(
counter
==
ELEMENT_COUNT
)
{
// we got the right number of elements
// we got the right number of elements
throw
new
SuccessException
();
throw
new
SuccessException
();
}
}
...
@@ -1083,6 +1178,7 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -1083,6 +1178,7 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
private
static
void
writeSequence
(
StreamExecutionEnvironment
env
,
String
topicName
,
final
int
numElements
,
int
parallelism
)
throws
Exception
{
private
static
void
writeSequence
(
StreamExecutionEnvironment
env
,
String
topicName
,
final
int
numElements
,
int
parallelism
)
throws
Exception
{
LOG
.
info
(
"\n===================================\n== Writing sequence of "
+
numElements
+
" into "
+
topicName
+
" with p="
+
parallelism
+
"\n==================================="
);
TypeInformation
<
Tuple2
<
Integer
,
Integer
>>
resultType
=
TypeInfoParser
.
parse
(
"Tuple2<Integer, Integer>"
);
TypeInformation
<
Tuple2
<
Integer
,
Integer
>>
resultType
=
TypeInfoParser
.
parse
(
"Tuple2<Integer, Integer>"
);
DataStream
<
Tuple2
<
Integer
,
Integer
>>
stream
=
env
.
addSource
(
new
RichParallelSourceFunction
<
Tuple2
<
Integer
,
Integer
>>()
{
DataStream
<
Tuple2
<
Integer
,
Integer
>>
stream
=
env
.
addSource
(
new
RichParallelSourceFunction
<
Tuple2
<
Integer
,
Integer
>>()
{
...
@@ -1130,14 +1226,14 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -1130,14 +1226,14 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
// will see each message only once.
// will see each message only once.
Map
<
String
,
Integer
>
topicCountMap
=
Collections
.
singletonMap
(
topicName
,
1
);
Map
<
String
,
Integer
>
topicCountMap
=
Collections
.
singletonMap
(
topicName
,
1
);
Map
<
String
,
List
<
KafkaStream
<
byte
[],
byte
[]>>>
streams
=
consumerConnector
.
createMessageStreams
(
topicCountMap
);
Map
<
String
,
List
<
KafkaStream
<
byte
[],
byte
[]>>>
streams
=
consumerConnector
.
createMessageStreams
(
topicCountMap
);
if
(
streams
.
size
()
!=
1
)
{
if
(
streams
.
size
()
!=
1
)
{
throw
new
RuntimeException
(
"Expected only one message stream but got "
+
streams
.
size
());
throw
new
RuntimeException
(
"Expected only one message stream but got "
+
streams
.
size
());
}
}
List
<
KafkaStream
<
byte
[],
byte
[]>>
kafkaStreams
=
streams
.
get
(
topicName
);
List
<
KafkaStream
<
byte
[],
byte
[]>>
kafkaStreams
=
streams
.
get
(
topicName
);
if
(
kafkaStreams
==
null
)
{
if
(
kafkaStreams
==
null
)
{
throw
new
RuntimeException
(
"Requested stream not available. Available streams: "
+
streams
.
toString
());
throw
new
RuntimeException
(
"Requested stream not available. Available streams: "
+
streams
.
toString
());
}
}
if
(
kafkaStreams
.
size
()
!=
1
)
{
if
(
kafkaStreams
.
size
()
!=
1
)
{
throw
new
RuntimeException
(
"Requested 1 stream from Kafka, bot got "
+
kafkaStreams
.
size
()+
" streams"
);
throw
new
RuntimeException
(
"Requested 1 stream from Kafka, bot got "
+
kafkaStreams
.
size
()+
" streams"
);
}
}
LOG
.
info
(
"Opening Consumer instance for topic '{}' on group '{}'"
,
topicName
,
config
.
groupId
());
LOG
.
info
(
"Opening Consumer instance for topic '{}' on group '{}'"
,
topicName
,
config
.
groupId
());
...
@@ -1148,7 +1244,7 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
...
@@ -1148,7 +1244,7 @@ public abstract class KafkaConsumerTestBase extends KafkaTestBase {
while
(
iteratorToRead
.
hasNext
())
{
while
(
iteratorToRead
.
hasNext
())
{
read
++;
read
++;
result
.
add
(
iteratorToRead
.
next
());
result
.
add
(
iteratorToRead
.
next
());
if
(
read
==
stopAfter
)
{
if
(
read
==
stopAfter
)
{
LOG
.
info
(
"Read "
+
read
+
" elements"
);
LOG
.
info
(
"Read "
+
read
+
" elements"
);
return
result
;
return
result
;
}
}
...
...
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaITCase.java
浏览文件 @
fc8be1ca
...
@@ -118,4 +118,10 @@ public class KafkaITCase extends KafkaConsumerTestBase {
...
@@ -118,4 +118,10 @@ public class KafkaITCase extends KafkaConsumerTestBase {
public
void
testBigRecordJob
()
throws
Exception
{
public
void
testBigRecordJob
()
throws
Exception
{
runBigRecordTestTopology
();
runBigRecordTestTopology
();
}
}
@Test
public
void
testMultipleTopics
()
throws
Exception
{
runConsumeMultipleTopics
();
}
}
}
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaProducerITCase.java
浏览文件 @
fc8be1ca
...
@@ -33,6 +33,7 @@ import org.apache.flink.streaming.util.serialization.TypeInformationSerializatio
...
@@ -33,6 +33,7 @@ import org.apache.flink.streaming.util.serialization.TypeInformationSerializatio
import
org.junit.Test
;
import
org.junit.Test
;
import
java.io.Serializable
;
import
java.io.Serializable
;
import
java.util.Collections
;
import
static
org
.
junit
.
Assert
.
assertEquals
;
import
static
org
.
junit
.
Assert
.
assertEquals
;
import
static
org
.
junit
.
Assert
.
fail
;
import
static
org
.
junit
.
Assert
.
fail
;
...
@@ -109,7 +110,7 @@ public class KafkaProducerITCase extends KafkaTestBase {
...
@@ -109,7 +110,7 @@ public class KafkaProducerITCase extends KafkaTestBase {
// ------ consuming topology ---------
// ------ consuming topology ---------
FlinkKafkaConsumer
<
Tuple2
<
Long
,
String
>>
source
=
FlinkKafkaConsumer
<
Tuple2
<
Long
,
String
>>
source
=
new
FlinkKafkaConsumer
<>(
topic
,
deserSchema
,
standardProps
,
new
FlinkKafkaConsumer
<>(
Collections
.
singletonList
(
topic
),
deserSchema
,
standardProps
,
FlinkKafkaConsumer
.
OffsetStore
.
FLINK_ZOOKEEPER
,
FlinkKafkaConsumer
.
OffsetStore
.
FLINK_ZOOKEEPER
,
FlinkKafkaConsumer
.
FetcherType
.
LEGACY_LOW_LEVEL
);
FlinkKafkaConsumer
.
FetcherType
.
LEGACY_LOW_LEVEL
);
...
...
flink-streaming-connectors/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaTestBase.java
浏览文件 @
fc8be1ca
...
@@ -34,6 +34,7 @@ import org.apache.flink.configuration.Configuration;
...
@@ -34,6 +34,7 @@ import org.apache.flink.configuration.Configuration;
import
org.apache.flink.runtime.StreamingMode
;
import
org.apache.flink.runtime.StreamingMode
;
import
org.apache.flink.runtime.client.JobExecutionException
;
import
org.apache.flink.runtime.client.JobExecutionException
;
import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment
;
import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment
;
import
org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartitionLeader
;
import
org.apache.flink.streaming.connectors.kafka.internals.ZooKeeperStringSerializer
;
import
org.apache.flink.streaming.connectors.kafka.internals.ZooKeeperStringSerializer
;
import
org.apache.flink.streaming.connectors.kafka.testutils.SuccessException
;
import
org.apache.flink.streaming.connectors.kafka.testutils.SuccessException
;
import
org.apache.flink.test.util.ForkableFlinkMiniCluster
;
import
org.apache.flink.test.util.ForkableFlinkMiniCluster
;
...
@@ -54,6 +55,7 @@ import java.io.File;
...
@@ -54,6 +55,7 @@ import java.io.File;
import
java.io.IOException
;
import
java.io.IOException
;
import
java.net.BindException
;
import
java.net.BindException
;
import
java.util.ArrayList
;
import
java.util.ArrayList
;
import
java.util.Collections
;
import
java.util.List
;
import
java.util.List
;
import
java.util.Properties
;
import
java.util.Properties
;
import
java.util.UUID
;
import
java.util.UUID
;
...
@@ -360,7 +362,7 @@ public abstract class KafkaTestBase extends TestLogger {
...
@@ -360,7 +362,7 @@ public abstract class KafkaTestBase extends TestLogger {
catch
(
InterruptedException
e
)
{
catch
(
InterruptedException
e
)
{
// restore interrupted state
// restore interrupted state
}
}
List
<
PartitionInfo
>
partitions
=
FlinkKafkaConsumer
.
getPartitionsForTopic
(
topic
,
standardProps
);
List
<
KafkaTopicPartitionLeader
>
partitions
=
FlinkKafkaConsumer
.
getPartitionsForTopic
(
Collections
.
singletonList
(
topic
)
,
standardProps
);
if
(
partitions
!=
null
&&
partitions
.
size
()
>
0
)
{
if
(
partitions
!=
null
&&
partitions
.
size
()
>
0
)
{
return
;
return
;
}
}
...
...
flink-streaming-java/src/main/java/org/apache/flink/streaming/util/serialization/KeyedDeserializationSchema.java
浏览文件 @
fc8be1ca
...
@@ -39,7 +39,7 @@ public interface KeyedDeserializationSchema<T> extends Serializable, ResultTypeQ
...
@@ -39,7 +39,7 @@ public interface KeyedDeserializationSchema<T> extends Serializable, ResultTypeQ
* @param offset the offset of the message in the original source (for example the Kafka offset)
* @param offset the offset of the message in the original source (for example the Kafka offset)
* @return The deserialized message as an object.
* @return The deserialized message as an object.
*/
*/
T
deserialize
(
byte
[]
messageKey
,
byte
[]
message
,
long
offset
)
throws
IOException
;
T
deserialize
(
byte
[]
messageKey
,
byte
[]
message
,
String
topic
,
long
offset
)
throws
IOException
;
/**
/**
* Method to decide whether the element signals the end of the stream. If
* Method to decide whether the element signals the end of the stream. If
...
...
flink-streaming-java/src/main/java/org/apache/flink/streaming/util/serialization/KeyedDeserializationSchemaWrapper.java
浏览文件 @
fc8be1ca
...
@@ -35,7 +35,7 @@ public class KeyedDeserializationSchemaWrapper<T> implements KeyedDeserializatio
...
@@ -35,7 +35,7 @@ public class KeyedDeserializationSchemaWrapper<T> implements KeyedDeserializatio
this
.
deserializationSchema
=
deserializationSchema
;
this
.
deserializationSchema
=
deserializationSchema
;
}
}
@Override
@Override
public
T
deserialize
(
byte
[]
messageKey
,
byte
[]
message
,
long
offset
)
throws
IOException
{
public
T
deserialize
(
byte
[]
messageKey
,
byte
[]
message
,
String
topic
,
long
offset
)
throws
IOException
{
return
deserializationSchema
.
deserialize
(
message
);
return
deserializationSchema
.
deserialize
(
message
);
}
}
...
...
flink-streaming-java/src/main/java/org/apache/flink/streaming/util/serialization/TypeInformationKeyValueSerializationSchema.java
浏览文件 @
fc8be1ca
...
@@ -79,7 +79,7 @@ public class TypeInformationKeyValueSerializationSchema<K, V> implements KeyedDe
...
@@ -79,7 +79,7 @@ public class TypeInformationKeyValueSerializationSchema<K, V> implements KeyedDe
@Override
@Override
public
Tuple2
<
K
,
V
>
deserialize
(
byte
[]
messageKey
,
byte
[]
message
,
long
offset
)
throws
IOException
{
public
Tuple2
<
K
,
V
>
deserialize
(
byte
[]
messageKey
,
byte
[]
message
,
String
topic
,
long
offset
)
throws
IOException
{
K
key
=
null
;
K
key
=
null
;
if
(
messageKey
!=
null
)
{
if
(
messageKey
!=
null
)
{
key
=
keySerializer
.
deserialize
(
new
ByteArrayInputView
(
messageKey
));
key
=
keySerializer
.
deserialize
(
new
ByteArrayInputView
(
messageKey
));
...
...
tools/maven/checkstyle.xml
浏览文件 @
fc8be1ca
...
@@ -71,6 +71,11 @@ under the License.
...
@@ -71,6 +71,11 @@ under the License.
<property
name=
"illegalPattern"
value=
"true"
/>
<property
name=
"illegalPattern"
value=
"true"
/>
<property
name=
"message"
value=
"Use Flink's InstantiationUtil instead of common's SerializationUtils"
/>
<property
name=
"message"
value=
"Use Flink's InstantiationUtil instead of common's SerializationUtils"
/>
</module>
</module>
<module
name=
"Regexp"
>
<property
name=
"format"
value=
"org\.apache\.commons\.lang\."
/>
<property
name=
"illegalPattern"
value=
"true"
/>
<property
name=
"message"
value=
"Use commons-lang3 instead of commons-lang."
/>
</module>
<module
name=
"NeedBraces"
>
<module
name=
"NeedBraces"
>
<property
name=
"tokens"
value=
"LITERAL_IF, LITERAL_ELSE"
/>
<property
name=
"tokens"
value=
"LITERAL_IF, LITERAL_ELSE"
/>
</module>
</module>
...
...
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