org.apache.flink.runtime.io.network.api

Class MutableRecordReader<T extends IOReadableWritable>

java.lang.Object

org.apache.flink.runtime.io.network.api.AbstractRecordReader

org.apache.flink.runtime.io.network.api.AbstractSingleGateRecordReader<T>

org.apache.flink.runtime.io.network.api.MutableRecordReader<T>

All Implemented Interfaces:

MutableReader<T>, ReaderBase

public class MutableRecordReader<T extends IOReadableWritable>
extends AbstractSingleGateRecordReader<T>
implements MutableReader<T>

Field Summary

Fields inherited from class org.apache.flink.runtime.io.network.api.AbstractSingleGateRecordReader

inputGate

Constructor Summary

Constructors

Constructor and Description
MutableRecordReader(AbstractInvokable taskBase) Constructs a new mutable record reader and registers a new input gate with the application's environment.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isInputClosed()
boolean	next(T target)
void	setIterative(int numEventsUntilEndOfSuperstep)

Methods inherited from class org.apache.flink.runtime.io.network.api.AbstractSingleGateRecordReader

getNumberOfInputChannels, publishEvent

Methods inherited from class org.apache.flink.runtime.io.network.api.AbstractRecordReader

handleEvent, hasReachedEndOfSuperstep, incrementEndOfSuperstepEventAndCheck, startNextSuperstep, subscribeToEvent, unsubscribeFromEvent

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.runtime.io.network.api.ReaderBase

hasReachedEndOfSuperstep, publishEvent, startNextSuperstep, subscribeToEvent, unsubscribeFromEvent

Constructor Detail

MutableRecordReader

public MutableRecordReader(AbstractInvokable taskBase)

Constructs a new mutable record reader and registers a new input gate with the application's environment.

Parameters:

taskBase - The application that instantiated the record reader.

Method Detail

next

public boolean next(T target)
             throws IOException,
                    InterruptedException

Specified by:

next in interface MutableReader<T extends IOReadableWritable>

Returns:

Throws:

IOException

InterruptedException

isInputClosed

public boolean isInputClosed()

Specified by:

isInputClosed in interface ReaderBase

setIterative

public void setIterative(int numEventsUntilEndOfSuperstep)

Specified by:

setIterative in interface ReaderBase

Overrides:

setIterative in class AbstractRecordReader