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体验新版 GitCode,发现更多精彩内容 >>
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820b58dd
编写于
7月 14, 2014
作者:
G
Gyula Fora
提交者:
Stephan Ewen
8月 18, 2014
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差异文件
[streaming] WordCount updated
上级
f4551a83
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
75 addition
and
22 deletion
+75
-22
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCount.java
...a/eu/stratosphere/streaming/test/wordcount/WordCount.java
+6
-3
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCountCounter.java
...ratosphere/streaming/test/wordcount/WordCountCounter.java
+61
-0
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCountSink.java
.../stratosphere/streaming/test/wordcount/WordCountSink.java
+6
-17
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCountSplitter.java
...atosphere/streaming/test/wordcount/WordCountSplitter.java
+2
-2
未找到文件。
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCount.java
浏览文件 @
820b58dd
...
...
@@ -27,12 +27,15 @@ public class WordCount extends TestBase2 {
public
JobGraph
getJobGraph
()
{
JobGraphBuilder
graphBuilder
=
new
JobGraphBuilder
(
"testGraph"
);
graphBuilder
.
setSource
(
"WorCountSource"
,
WordCountSource
.
class
);
graphBuilder
.
setTask
(
"WorCountTask"
,
WordCountTask
.
class
,
2
);
graphBuilder
.
setTask
(
"WorCountSplitter"
,
WordCountSplitter
.
class
,
2
);
graphBuilder
.
setTask
(
"WorCountCounter"
,
WordCountCounter
.
class
,
2
);
graphBuilder
.
setSink
(
"WordCountSink"
,
WordCountSink
.
class
);
graphBuilder
.
fieldsConnect
(
"WorCountSource"
,
"WorCount
Task
"
,
0
,
graphBuilder
.
fieldsConnect
(
"WorCountSource"
,
"WorCount
Splitter
"
,
0
,
StringValue
.
class
);
graphBuilder
.
broadcastConnect
(
"WorCountTask"
,
"WordCountSink"
);
graphBuilder
.
fieldsConnect
(
"WorCountSplitter"
,
"WorCountCounter"
,
0
,
StringValue
.
class
);
graphBuilder
.
broadcastConnect
(
"WorCountCounter"
,
"WordCountSink"
);
return
graphBuilder
.
getJobGraph
();
}
...
...
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCountCounter.java
0 → 100644
浏览文件 @
820b58dd
/***********************************************************************************************************************
*
* Copyright (C) 2010-2014 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed 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
eu.stratosphere.streaming.test.wordcount
;
import
java.util.HashMap
;
import
java.util.Map
;
import
eu.stratosphere.streaming.api.invokable.UserTaskInvokable
;
import
eu.stratosphere.types.IntValue
;
import
eu.stratosphere.types.Record
;
import
eu.stratosphere.types.StringValue
;
public
class
WordCountCounter
extends
UserTaskInvokable
{
private
Map
<
String
,
Integer
>
wordCounts
=
new
HashMap
<
String
,
Integer
>();
private
StringValue
wordValue
=
new
StringValue
(
""
);
private
IntValue
countValue
=
new
IntValue
(
1
);
private
Record
outputRecord
=
new
Record
(
wordValue
,
countValue
);
private
String
word
=
""
;
private
int
count
=
1
;
@Override
public
void
invoke
(
Record
record
)
throws
Exception
{
record
.
getFieldInto
(
0
,
wordValue
);
word
=
wordValue
.
getValue
();
if
(
wordCounts
.
containsKey
(
word
))
{
count
=
wordCounts
.
get
(
word
)
+
1
;
wordCounts
.
put
(
word
,
count
);
outputRecord
.
setField
(
0
,
wordValue
);
countValue
.
setValue
(
count
);
outputRecord
.
setField
(
1
,
countValue
);
emit
(
outputRecord
);
}
else
{
wordCounts
.
put
(
word
,
1
);
countValue
.
setValue
(
1
);
outputRecord
.
setField
(
0
,
wordValue
);
outputRecord
.
setField
(
1
,
countValue
);
emit
(
outputRecord
);
}
}
}
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCountSink.java
浏览文件 @
820b58dd
...
...
@@ -15,34 +15,23 @@
package
eu.stratosphere.streaming.test.wordcount
;
import
java.util.HashMap
;
import
java.util.Map
;
import
eu.stratosphere.streaming.api.invokable.UserSinkInvokable
;
import
eu.stratosphere.types.IntValue
;
import
eu.stratosphere.types.Record
;
import
eu.stratosphere.types.StringValue
;
public
class
WordCountSink
implements
UserSinkInvokable
{
private
Map
<
String
,
Integer
>
wordCounts
=
new
HashMap
<
String
,
Integer
>();
private
StringValue
word
=
new
StringValue
(
""
);
private
IntValue
count
=
new
IntValue
(
1
);
@Override
public
void
invoke
(
Record
record
)
throws
Exception
{
record
.
getFieldInto
(
0
,
word
);
record
.
getFieldInto
(
1
,
count
);
if
(
wordCounts
.
containsKey
(
word
.
getValue
()))
{
wordCounts
.
put
(
word
.
getValue
(),
wordCounts
.
get
(
word
.
getValue
())
+
1
);
System
.
out
.
println
(
word
.
getValue
()
+
" "
+
wordCounts
.
get
(
word
.
getValue
()));
}
else
{
wordCounts
.
put
(
word
.
getValue
(),
1
);
System
.
out
.
println
(
word
.
getValue
()
+
" "
+
wordCounts
.
get
(
word
.
getValue
()));
}
}
System
.
out
.
println
(
word
.
getValue
()
+
" "
+
count
.
getValue
());
}
\ No newline at end of file
}
}
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCount
Task
.java
→
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/test/wordcount/WordCount
Splitter
.java
浏览文件 @
820b58dd
...
...
@@ -19,8 +19,8 @@ import eu.stratosphere.streaming.api.invokable.UserTaskInvokable;
import
eu.stratosphere.types.Record
;
import
eu.stratosphere.types.StringValue
;
public
class
WordCount
Task
extends
UserTaskInvokable
{
public
class
WordCount
Splitter
extends
UserTaskInvokable
{
private
StringValue
sentence
=
new
StringValue
(
""
);
private
String
[]
words
=
new
String
[
0
];
private
StringValue
wordValue
=
new
StringValue
(
""
);
...
...
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