org.apache.tez.runtime.api.impl

Class EventMetaData

java.lang.Object

org.apache.tez.runtime.api.impl.EventMetaData

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class EventMetaData
extends Object
implements org.apache.hadoop.io.Writable

Class that encapsulates all the information to identify the unique object that either generated an Event or is the recipient of an Event.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	EventMetaData.EventProducerConsumerType

Constructor Summary

Constructors

Constructor and Description
EventMetaData()
EventMetaData(EventMetaData.EventProducerConsumerType generator, String taskVertexName, String edgeVertexName, org.apache.tez.dag.records.TezTaskAttemptID taskAttemptID)

Method Summary

Methods

Modifier and Type	Method and Description
String	getEdgeVertexName()
EventMetaData.EventProducerConsumerType	getEventGenerator()
org.apache.tez.dag.records.TezTaskAttemptID	getTaskAttemptID()
String	getTaskVertexName()
void	readFields(DataInput in)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

EventMetaData

public EventMetaData()

EventMetaData

public EventMetaData(EventMetaData.EventProducerConsumerType generator,
             String taskVertexName,
             @Nullable
             String edgeVertexName,
             @Nullable
             org.apache.tez.dag.records.TezTaskAttemptID taskAttemptID)

Method Detail

getEventGenerator

public EventMetaData.EventProducerConsumerType getEventGenerator()

getTaskAttemptID

public org.apache.tez.dag.records.TezTaskAttemptID getTaskAttemptID()

getTaskVertexName

public String getTaskVertexName()

getEdgeVertexName

public String getEdgeVertexName()

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object