org.apache.flink.runtime.operators

Class TempBarrier<T>

java.lang.Object

org.apache.flink.runtime.operators.TempBarrier<T>

All Implemented Interfaces:

Closeable, AutoCloseable, CloseableInputProvider<T>

public class TempBarrier<T>
extends Object
implements CloseableInputProvider<T>

This class facilitates JVM-local exchange between stages of a batch job.

Constructor Summary

Constructors

Constructor and Description
TempBarrier(AbstractInvokable owner, org.apache.flink.util.MutableObjectIterator<T> input, org.apache.flink.api.common.typeutils.TypeSerializerFactory<T> serializerFactory, MemoryManager memManager, IOManager ioManager, int numPages, List<org.apache.flink.core.memory.MemorySegment> preAllocated)

Method Summary

Modifier and Type	Method and Description
void	close()
org.apache.flink.util.MutableObjectIterator<T>	getIterator() This method resets the input!
void	startReading()

Methods inherited from class java.lang.Object

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

Constructor Detail

TempBarrier

public TempBarrier(AbstractInvokable owner,
                   org.apache.flink.util.MutableObjectIterator<T> input,
                   org.apache.flink.api.common.typeutils.TypeSerializerFactory<T> serializerFactory,
                   MemoryManager memManager,
                   IOManager ioManager,
                   int numPages,
                   List<org.apache.flink.core.memory.MemorySegment> preAllocated)
            throws MemoryAllocationException

Throws:

MemoryAllocationException

Method Detail

startReading

public void startReading()

getIterator

public org.apache.flink.util.MutableObjectIterator<T> getIterator()
                                                           throws InterruptedException,
                                                                  IOException

This method resets the input!

Specified by:

getIterator in interface CloseableInputProvider<T>

Returns:

The iterator provided by this iterator provider.

Throws:

InterruptedException

IOException

See Also:

CloseableInputProvider.getIterator()

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException