Package org.apache.flink.runtime.executiongraph

Class ExecutionAttemptID

java.lang.Object

org.apache.flink.runtime.executiongraph.ExecutionAttemptID

All Implemented Interfaces:

Serializable

public class ExecutionAttemptID
extends Object
implements Serializable

Unique identifier for the attempt to execute a tasks. Multiple attempts happen in cases of failures and recovery.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ExecutionAttemptID(ExecutionGraphID executionGraphId, ExecutionVertexID executionVertexId, int attemptNumber)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
static ExecutionAttemptID	fromByteBuf(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf buf)
int	getAttemptNumber()
static int	getByteBufLength()
ExecutionVertexID	getExecutionVertexId()
JobVertexID	getJobVertexId()
int	getSubtaskIndex()
int	hashCode()
static ExecutionAttemptID	randomId()
String	toString()
void	writeTo(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf buf)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ExecutionAttemptID

public ExecutionAttemptID(ExecutionGraphID executionGraphId,
 ExecutionVertexID executionVertexId,
 int attemptNumber)

Method Details

getExecutionVertexId

public ExecutionVertexID getExecutionVertexId()

getJobVertexId

public JobVertexID getJobVertexId()

getSubtaskIndex

public int getSubtaskIndex()

getAttemptNumber

public int getAttemptNumber()

writeTo

public void writeTo(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf buf)

fromByteBuf

public static ExecutionAttemptID fromByteBuf(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf buf)

getByteBufLength

public static int getByteBufLength()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

randomId

public static ExecutionAttemptID randomId()