org.apache.flink.runtime.executiongraph

Class ExecutionAttemptID

java.lang.Object

org.apache.flink.util.AbstractID

org.apache.flink.runtime.executiongraph.ExecutionAttemptID

All Implemented Interfaces:

Serializable, Comparable<AbstractID>, IOReadableWritable

public class ExecutionAttemptID
extends AbstractID

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

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.util.AbstractID

lowerPart, SIZE, upperPart

Constructor Summary

Constructors

Constructor and Description
ExecutionAttemptID()
ExecutionAttemptID(long lowerPart, long upperPart)

Method Summary

Modifier and Type	Method and Description
static ExecutionAttemptID	fromByteBuf(io.netty.buffer.ByteBuf buf)
void	writeTo(io.netty.buffer.ByteBuf buf)

Methods inherited from class org.apache.flink.util.AbstractID

compareTo, equals, getBytes, getLowerPart, getUpperPart, hashCode, read, toString, write

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecutionAttemptID

public ExecutionAttemptID()

ExecutionAttemptID

public ExecutionAttemptID(long lowerPart,
                          long upperPart)

Method Detail

writeTo

public void writeTo(io.netty.buffer.ByteBuf buf)

fromByteBuf

public static ExecutionAttemptID fromByteBuf(io.netty.buffer.ByteBuf buf)