org.apache.flink.runtime.operators.chaining

Class ChainedReduceCombineDriver<T>

java.lang.Object

org.apache.flink.runtime.operators.chaining.ChainedDriver<T,T>

org.apache.flink.runtime.operators.chaining.ChainedReduceCombineDriver<T>

All Implemented Interfaces:

Collector<T>

public class ChainedReduceCombineDriver<T>
extends ChainedDriver<T,T>

Chained version of ReduceCombineDriver.

Field Summary

Fields inherited from class org.apache.flink.runtime.operators.chaining.ChainedDriver

config, executionConfig, metrics, numRecordsIn, numRecordsOut, objectReuseEnabled, outputCollector, taskName, userCodeClassLoader

Constructor Summary

Constructors

Constructor and Description
ChainedReduceCombineDriver()

Method Summary

Modifier and Type	Method and Description
void	cancelTask()
void	close() Closes the collector.
void	closeTask()
void	collect(T record) Emits a record.
Function	getStub()
String	getTaskName()
void	openTask()
void	setup(AbstractInvokable parent)

Methods inherited from class org.apache.flink.runtime.operators.chaining.ChainedDriver

getIOMetrics, getOutputCollector, getTaskConfig, getUdfRuntimeContext, setOutputCollector, setup

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChainedReduceCombineDriver

public ChainedReduceCombineDriver()

Method Detail

getStub

public Function getStub()

Specified by:

getStub in class ChainedDriver<T,T>

getTaskName

public String getTaskName()

Specified by:

getTaskName in class ChainedDriver<T,T>

setup

public void setup(AbstractInvokable parent)

Specified by:

setup in class ChainedDriver<T,T>

openTask

public void openTask()
              throws Exception

Specified by:

openTask in class ChainedDriver<T,T>

Throws:

Exception

collect

public void collect(T record)

Description copied from interface: Collector

Emits a record.

Specified by:

collect in interface Collector<T>

Specified by:

collect in class ChainedDriver<T,T>

Parameters:

record - The record to collect.

close

public void close()

Description copied from interface: Collector

Closes the collector. If any data was buffered, that data will be flushed.

closeTask

public void closeTask()
               throws Exception

Specified by:

closeTask in class ChainedDriver<T,T>

Throws:

Exception

cancelTask

public void cancelTask()

Specified by:

cancelTask in class ChainedDriver<T,T>