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体验新版 GitCode,发现更多精彩内容 >>
提交
038f4f96
编写于
7月 14, 2014
作者:
G
gaborhermann
提交者:
Stephan Ewen
8月 18, 2014
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差异文件
[streaming] Added AckEvent
上级
d5f2d7fa
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
52 addition
and
1 deletion
+52
-1
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/api/AckEvent.java
...src/main/java/eu/stratosphere/streaming/api/AckEvent.java
+29
-0
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/api/StreamTask.java
...c/main/java/eu/stratosphere/streaming/api/StreamTask.java
+23
-1
未找到文件。
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/api/AckEvent.java
0 → 100644
浏览文件 @
038f4f96
package
eu.stratosphere.streaming.api
;
import
java.io.DataInput
;
import
java.io.DataOutput
;
import
java.io.IOException
;
import
eu.stratosphere.nephele.event.task.AbstractTaskEvent
;
public
class
AckEvent
extends
AbstractTaskEvent
{
private
Long
recordId
;
public
AckEvent
(
Long
recordId
)
{
setRecordId
(
recordId
);
System
.
out
.
println
(
"created "
+
recordId
);
}
@Override
public
void
write
(
DataOutput
out
)
throws
IOException
{}
@Override
public
void
read
(
DataInput
in
)
throws
IOException
{}
public
void
setRecordId
(
Long
recordId
)
{
this
.
recordId
=
recordId
;
}
public
Long
getRecordId
()
{
return
this
.
recordId
;
}
}
\ No newline at end of file
flink-addons/flink-streaming/src/main/java/eu/stratosphere/streaming/api/StreamTask.java
浏览文件 @
038f4f96
...
@@ -15,10 +15,15 @@
...
@@ -15,10 +15,15 @@
package
eu.stratosphere.streaming.api
;
package
eu.stratosphere.streaming.api
;
import
java.io.DataInput
;
import
java.io.DataOutput
;
import
java.io.IOException
;
import
java.util.LinkedList
;
import
java.util.LinkedList
;
import
java.util.List
;
import
java.util.List
;
import
eu.stratosphere.configuration.Configuration
;
import
eu.stratosphere.configuration.Configuration
;
import
eu.stratosphere.nephele.event.task.AbstractTaskEvent
;
import
eu.stratosphere.nephele.event.task.EventListener
;
import
eu.stratosphere.nephele.io.ChannelSelector
;
import
eu.stratosphere.nephele.io.ChannelSelector
;
import
eu.stratosphere.nephele.io.RecordReader
;
import
eu.stratosphere.nephele.io.RecordReader
;
import
eu.stratosphere.nephele.io.RecordWriter
;
import
eu.stratosphere.nephele.io.RecordWriter
;
...
@@ -71,8 +76,25 @@ public class StreamTask extends AbstractTask {
...
@@ -71,8 +76,25 @@ public class StreamTask extends AbstractTask {
}
}
setUserFunction
(
taskConfiguration
);
setUserFunction
(
taskConfiguration
);
setAckListener
();
}
}
public
void
setAckListener
()
{
EventListener
eventListener
=
new
EventListener
()
{
@Override
public
void
eventOccurred
(
AbstractTaskEvent
event
)
{
AckEvent
ackEvent
=
(
AckEvent
)
event
;
Long
recordId
=
ackEvent
.
getRecordId
();
System
.
out
.
println
(
"acked "
+
recordId
);
//TODO: resend record with the given id
}
};
for
(
RecordWriter
output
:
outputs
)
{
//TODO: separate outputs
output
.
subscribeToEvent
(
eventListener
,
AckEvent
.
class
);
}
}
public
void
setUserFunction
(
Configuration
taskConfiguration
)
{
public
void
setUserFunction
(
Configuration
taskConfiguration
)
{
Class
<?
extends
UserTaskInvokable
>
userFunctionClass
=
taskConfiguration
Class
<?
extends
UserTaskInvokable
>
userFunctionClass
=
taskConfiguration
...
@@ -129,8 +151,8 @@ public class StreamTask extends AbstractTask {
...
@@ -129,8 +151,8 @@ public class StreamTask extends AbstractTask {
hasInput
=
true
;
hasInput
=
true
;
StreamRecord
streamRecord
=
new
StreamRecord
(
input
.
next
());
StreamRecord
streamRecord
=
new
StreamRecord
(
input
.
next
());
Long
id
=
streamRecord
.
popId
();
Long
id
=
streamRecord
.
popId
();
userFunction
.
invoke
(
streamRecord
.
getRecord
());
userFunction
.
invoke
(
streamRecord
.
getRecord
());
input
.
publishEvent
(
new
AckEvent
(
id
));
//TODO: ack here
//TODO: ack here
}
}
}
}
...
...
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