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

Class RecordReader<T extends org.apache.flink.core.io.IOReadableWritable>

java.lang.Object

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

org.apache.flink.runtime.io.network.api.reader.RecordReader<T>

All Implemented Interfaces:

Reader<T>, ReaderBase

public class RecordReader<T extends org.apache.flink.core.io.IOReadableWritable>
extends AbstractReader
implements Reader<T>

Field Summary

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

inputGate

Constructor Summary

Constructors

Constructor and Description
RecordReader(InputGate inputGate, Class<T> recordType)

Method Summary

Modifier and Type	Method and Description
void	clearBuffers()
protected boolean	getNextRecord(T target)
boolean	hasNext()
T	next()
void	setReporter(AccumulatorRegistry.Reporter reporter) Setter for the reporter, e.g.

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

handleEvent, hasReachedEndOfSuperstep, isFinished, publish, registerTaskEventListener, sendTaskEvent, setIterativeReader, startNextSuperstep

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.reader.ReaderBase

hasReachedEndOfSuperstep, isFinished, registerTaskEventListener, sendTaskEvent, setIterativeReader, setReporter, startNextSuperstep

Constructor Detail

RecordReader

public RecordReader(InputGate inputGate,
                    Class<T> recordType)

Method Detail

hasNext

public boolean hasNext()
                throws IOException,
                       InterruptedException

Specified by:

hasNext in interface Reader<T extends org.apache.flink.core.io.IOReadableWritable>

Throws:

IOException

InterruptedException

next

public T next()
       throws IOException,
              InterruptedException

Specified by:

next in interface Reader<T extends org.apache.flink.core.io.IOReadableWritable>

Throws:

IOException

InterruptedException

clearBuffers

public void clearBuffers()

Specified by:

clearBuffers in interface Reader<T extends org.apache.flink.core.io.IOReadableWritable>

getNextRecord

protected boolean getNextRecord(T target)
                         throws IOException,
                                InterruptedException

Throws:

IOException

InterruptedException

setReporter

public void setReporter(AccumulatorRegistry.Reporter reporter)

Description copied from interface: ReaderBase

Setter for the reporter, e.g. for the number of records emitted and the number of bytes read.

Specified by:

setReporter in interface ReaderBase