org.apache.flink.runtime.io.network.partition

Class ResultSubpartition.BufferAndBacklog

java.lang.Object

org.apache.flink.runtime.io.network.partition.ResultSubpartition.BufferAndBacklog

Enclosing class:

ResultSubpartition

public static final class ResultSubpartition.BufferAndBacklog
extends Object

A combination of a Buffer and the backlog length indicating how many non-event buffers are available in the subpartition.

Constructor Summary

Constructors

Constructor and Description
BufferAndBacklog(Buffer buffer, int buffersInBacklog, Buffer.DataType nextDataType, int sequenceNumber)

Method Summary

Modifier and Type	Method and Description
Buffer	buffer()
int	buffersInBacklog()
static ResultSubpartition.BufferAndBacklog	fromBufferAndLookahead(Buffer current, Buffer.DataType nextDataType, int backlog, int sequenceNumber)
Buffer.DataType	getNextDataType()
int	getSequenceNumber()
boolean	isDataAvailable()
boolean	isEventAvailable()

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferAndBacklog

public BufferAndBacklog(Buffer buffer,
                        int buffersInBacklog,
                        Buffer.DataType nextDataType,
                        int sequenceNumber)

Method Detail

buffer

public Buffer buffer()

isDataAvailable

public boolean isDataAvailable()

buffersInBacklog

public int buffersInBacklog()

isEventAvailable

public boolean isEventAvailable()

getNextDataType

public Buffer.DataType getNextDataType()

getSequenceNumber

public int getSequenceNumber()

fromBufferAndLookahead

public static ResultSubpartition.BufferAndBacklog fromBufferAndLookahead(Buffer current,
                                                                         Buffer.DataType nextDataType,
                                                                         int backlog,
                                                                         int sequenceNumber)