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, DAGIDAware, TaskAttemptIDAware, TaskIDAware, VertexIDAware

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

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, TezTaskAttemptID taskAttemptID)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getEdgeVertexName()
EventMetaData.EventProducerConsumerType	getEventGenerator()
TezTaskAttemptID	getTaskAttemptID()
String	getTaskVertexName()
int	hashCode()
void	readFields(DataInput in)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tez.dag.records.TaskAttemptIDAware

getTaskID

Methods inherited from interface org.apache.tez.dag.records.TaskIDAware

getVertexID

Methods inherited from interface org.apache.tez.dag.records.VertexIDAware

getDAGID

Methods inherited from interface org.apache.tez.dag.records.DAGIDAware

getApplicationId

Constructor Detail

EventMetaData

public EventMetaData()

EventMetaData

public EventMetaData(EventMetaData.EventProducerConsumerType generator,
                     String taskVertexName,
                     @Nullable
                     String edgeVertexName,
                     @Nullable
                     TezTaskAttemptID taskAttemptID)

Method Detail

getEventGenerator

public EventMetaData.EventProducerConsumerType getEventGenerator()

getTaskAttemptID

public TezTaskAttemptID getTaskAttemptID()

Specified by:

getTaskAttemptID in interface TaskAttemptIDAware

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

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object