org.apache.tez.dag.app.dag.impl
Class NullEdgeManager

java.lang.Object
  org.apache.tez.dag.app.dag.impl.NullEdgeManager

All Implemented Interfaces:

org.apache.tez.dag.api.EdgeManager

public class NullEdgeManager
extends Object
implements org.apache.tez.dag.api.EdgeManager

Constructor Summary

NullEdgeManager()

Method Summary

int	getNumDestinationConsumerTasks(int sourceTaskIndex, int numDestinationTasks)
int	getNumDestinationTaskPhysicalInputs(int numSourceTasks, int destinationTaskIndex)
int	getNumSourceTaskPhysicalOutputs(int numDestinationTasks, int sourceTaskIndex)
void	initialize(org.apache.tez.dag.api.EdgeManagerContext edgeManagerContext)
void	routeDataMovementEventToDestination(org.apache.tez.runtime.api.events.DataMovementEvent event, int sourceTaskIndex, int numDestinationTasks, Map<Integer,List<Integer>> inputIndicesToTaskIndices)
int	routeInputErrorEventToSource(org.apache.tez.runtime.api.events.InputReadErrorEvent event, int destinationTaskIndex)
void	routeInputSourceTaskFailedEventToDestination(int sourceTaskIndex, int numDestinationTasks, Map<Integer,List<Integer>> inputIndicesToTaskIndices)

Methods inherited from class java.lang.Object

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

Constructor Detail

NullEdgeManager

public NullEdgeManager()

Method Detail

initialize

public void initialize(org.apache.tez.dag.api.EdgeManagerContext edgeManagerContext)

Specified by:

initialize in interface org.apache.tez.dag.api.EdgeManager

getNumDestinationTaskPhysicalInputs

public int getNumDestinationTaskPhysicalInputs(int numSourceTasks,
                                               int destinationTaskIndex)

Specified by:

getNumDestinationTaskPhysicalInputs in interface org.apache.tez.dag.api.EdgeManager

getNumSourceTaskPhysicalOutputs

public int getNumSourceTaskPhysicalOutputs(int numDestinationTasks,
                                           int sourceTaskIndex)

Specified by:

getNumSourceTaskPhysicalOutputs in interface org.apache.tez.dag.api.EdgeManager

routeDataMovementEventToDestination

public void routeDataMovementEventToDestination(org.apache.tez.runtime.api.events.DataMovementEvent event,
                                                int sourceTaskIndex,
                                                int numDestinationTasks,
                                                Map<Integer,List<Integer>> inputIndicesToTaskIndices)

Specified by:

routeDataMovementEventToDestination in interface org.apache.tez.dag.api.EdgeManager

getNumDestinationConsumerTasks

public int getNumDestinationConsumerTasks(int sourceTaskIndex,
                                          int numDestinationTasks)

Specified by:

getNumDestinationConsumerTasks in interface org.apache.tez.dag.api.EdgeManager

routeInputErrorEventToSource

public int routeInputErrorEventToSource(org.apache.tez.runtime.api.events.InputReadErrorEvent event,
                                        int destinationTaskIndex)

Specified by:

routeInputErrorEventToSource in interface org.apache.tez.dag.api.EdgeManager

routeInputSourceTaskFailedEventToDestination

public void routeInputSourceTaskFailedEventToDestination(int sourceTaskIndex,
                                                         int numDestinationTasks,
                                                         Map<Integer,List<Integer>> inputIndicesToTaskIndices)

Specified by:

routeInputSourceTaskFailedEventToDestination in interface org.apache.tez.dag.api.EdgeManager