org.apache.tez.dag.app.dag.impl

Class Edge

java.lang.Object

org.apache.tez.dag.app.dag.impl.Edge

public class Edge
extends Object

Constructor Summary

Constructors

Constructor and Description
Edge(org.apache.tez.dag.api.EdgeProperty edgeProperty, org.apache.hadoop.yarn.event.EventHandler eventHandler, org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
List<org.apache.tez.runtime.api.impl.TezEvent>	generateEmptyEventsForAttempt(org.apache.tez.dag.records.TezTaskAttemptID attempt)
org.apache.tez.runtime.api.impl.InputSpec	getDestinationSpec(int destinationTaskIndex)
String	getDestinationVertexName()
org.apache.tez.dag.api.EdgeManagerPlugin	getEdgeManager()
org.apache.tez.dag.api.EdgeProperty	getEdgeProperty()
org.apache.tez.runtime.api.impl.OutputSpec	getSourceSpec(int sourceTaskIndex)
String	getSourceVertexName()
boolean	hasOnDemandRouting()
void	initialize()
boolean	maybeAddTezEventForDestinationTask(org.apache.tez.runtime.api.impl.TezEvent tezEvent, org.apache.tez.dag.records.TezTaskAttemptID attemptID, int srcTaskIndex, List<org.apache.tez.runtime.api.impl.TezEvent> listToAdd, int listMaxSize, org.apache.tez.dag.app.dag.impl.Edge.PendingEventRouteMetadata pendingRoutes)
org.apache.tez.dag.app.dag.impl.Edge.PendingEventRouteMetadata	removePendingEvents(org.apache.tez.dag.records.TezTaskAttemptID attemptID)
void	routingToBegin()
void	sendTezEventToDestinationTasks(org.apache.tez.runtime.api.impl.TezEvent tezEvent)
void	sendTezEventToSourceTasks(org.apache.tez.runtime.api.impl.TezEvent tezEvent)
void	setDestinationVertex(Vertex destinationVertex)
void	setEdgeProperty(org.apache.tez.dag.api.EdgeProperty newEdgeProperty)
void	setSourceVertex(Vertex sourceVertex)
void	startEventBuffering()
void	stopEventBuffering()

Methods inherited from class java.lang.Object

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

Constructor Detail

Edge

public Edge(org.apache.tez.dag.api.EdgeProperty edgeProperty,
            org.apache.hadoop.yarn.event.EventHandler eventHandler,
            org.apache.hadoop.conf.Configuration conf)
     throws org.apache.tez.dag.api.TezException

Throws:

org.apache.tez.dag.api.TezException

Method Detail

generateEmptyEventsForAttempt

public List<org.apache.tez.runtime.api.impl.TezEvent> generateEmptyEventsForAttempt(org.apache.tez.dag.records.TezTaskAttemptID attempt)
                                                                             throws Exception

Throws:

Exception

initialize

public void initialize()
                throws AMUserCodeException

Throws:

AMUserCodeException

setEdgeProperty

public void setEdgeProperty(org.apache.tez.dag.api.EdgeProperty newEdgeProperty)
                     throws AMUserCodeException

Throws:

AMUserCodeException

routingToBegin

public void routingToBegin()
                    throws AMUserCodeException

Throws:

AMUserCodeException

hasOnDemandRouting

public boolean hasOnDemandRouting()

getEdgeProperty

public org.apache.tez.dag.api.EdgeProperty getEdgeProperty()

getEdgeManager

public org.apache.tez.dag.api.EdgeManagerPlugin getEdgeManager()

setSourceVertex

public void setSourceVertex(Vertex sourceVertex)

setDestinationVertex

public void setDestinationVertex(Vertex destinationVertex)

getDestinationSpec

public org.apache.tez.runtime.api.impl.InputSpec getDestinationSpec(int destinationTaskIndex)
                                                             throws AMUserCodeException

Throws:

AMUserCodeException

getSourceSpec

public org.apache.tez.runtime.api.impl.OutputSpec getSourceSpec(int sourceTaskIndex)
                                                         throws AMUserCodeException

Throws:

AMUserCodeException

startEventBuffering

public void startEventBuffering()

stopEventBuffering

public void stopEventBuffering()
                        throws AMUserCodeException

Throws:

AMUserCodeException

sendTezEventToSourceTasks

public void sendTezEventToSourceTasks(org.apache.tez.runtime.api.impl.TezEvent tezEvent)
                               throws AMUserCodeException

Throws:

AMUserCodeException

sendTezEventToDestinationTasks

public void sendTezEventToDestinationTasks(org.apache.tez.runtime.api.impl.TezEvent tezEvent)
                                    throws AMUserCodeException

Throws:

AMUserCodeException

removePendingEvents

public org.apache.tez.dag.app.dag.impl.Edge.PendingEventRouteMetadata removePendingEvents(org.apache.tez.dag.records.TezTaskAttemptID attemptID)

maybeAddTezEventForDestinationTask

public boolean maybeAddTezEventForDestinationTask(org.apache.tez.runtime.api.impl.TezEvent tezEvent,
                                                  org.apache.tez.dag.records.TezTaskAttemptID attemptID,
                                                  int srcTaskIndex,
                                                  List<org.apache.tez.runtime.api.impl.TezEvent> listToAdd,
                                                  int listMaxSize,
                                                  org.apache.tez.dag.app.dag.impl.Edge.PendingEventRouteMetadata pendingRoutes)
                                           throws AMUserCodeException

Throws:

AMUserCodeException

getSourceVertexName

public String getSourceVertexName()

getDestinationVertexName

public String getDestinationVertexName()