io.ray.streaming.runtime.context

Class OperatorCheckpointInfo

java.lang.Object

io.ray.streaming.runtime.context.OperatorCheckpointInfo

All Implemented Interfaces:

Serializable

public class OperatorCheckpointInfo
extends Object
implements Serializable

This data structure contains state information of a task.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
long	checkpointId
Map<String,OffsetInfo>	inputPoints key: channel ID, value: offset
Map<String,OffsetInfo>	outputPoints
Serializable	processorCheckpoint a serializable checkpoint returned by processor

Constructor Summary

Constructors

Constructor and Description
OperatorCheckpointInfo()
OperatorCheckpointInfo(Map<String,OffsetInfo> inputPoints, Map<String,OffsetInfo> outputPoints, Serializable processorCheckpoint, long checkpointId)

Method Summary

Modifier and Type	Method and Description
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

inputPoints

public Map<String,OffsetInfo> inputPoints

key: channel ID, value: offset

outputPoints

public Map<String,OffsetInfo> outputPoints

processorCheckpoint

public Serializable processorCheckpoint

a serializable checkpoint returned by processor

checkpointId

public long checkpointId

Constructor Detail

OperatorCheckpointInfo

public OperatorCheckpointInfo()

OperatorCheckpointInfo

public OperatorCheckpointInfo(Map<String,OffsetInfo> inputPoints,
                              Map<String,OffsetInfo> outputPoints,
                              Serializable processorCheckpoint,
                              long checkpointId)

Method Detail

toString

public String toString()

Overrides:

toString in class Object