org.apache.giraph.examples

Class SimpleMutateGraphVertex.SimpleMutateGraphVertexWorkerContext

java.lang.Object

org.apache.giraph.worker.WorkerContext

org.apache.giraph.examples.SimpleMutateGraphVertex.SimpleMutateGraphVertexWorkerContext

All Implemented Interfaces:

AggregatorUsage, WorkerAggregatorUsage

Enclosing class:

SimpleMutateGraphVertex

public static class SimpleMutateGraphVertex.SimpleMutateGraphVertexWorkerContext
extends WorkerContext

Worker context used with SimpleMutateGraphVertex.

Constructor Summary

Constructors

Constructor and Description
SimpleMutateGraphVertex.SimpleMutateGraphVertexWorkerContext()

Method Summary

Methods

Modifier and Type	Method and Description
long	getEdgeCount()
long	getOrigEdgeCount()
long	getVertexCount()
void	increaseEdgesRemoved() Increase the number of edges removed by one.
void	postApplication() Finalize the WorkerContext.
void	postSuperstep() Execute user code.
void	preApplication() Initialize the WorkerContext.
void	preSuperstep() Execute user code.

Methods inherited from class org.apache.giraph.worker.WorkerContext

aggregate, getAggregatedValue, getContext, getSuperstep, getTotalNumEdges, getTotalNumVertices, setGraphState

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleMutateGraphVertex.SimpleMutateGraphVertexWorkerContext

public SimpleMutateGraphVertex.SimpleMutateGraphVertexWorkerContext()

Method Detail

preApplication

public void preApplication()
                    throws InstantiationException,
                           IllegalAccessException

Description copied from class: WorkerContext

Initialize the WorkerContext. This method is executed once on each Worker before the first superstep starts.

Specified by:

preApplication in class WorkerContext

Throws:

InstantiationException - Expected instantiation in this method.

IllegalAccessException - Thrown for getting the class

postApplication

public void postApplication()

Description copied from class: WorkerContext

Finalize the WorkerContext. This method is executed once on each Worker after the last superstep ends.

Specified by:

postApplication in class WorkerContext

preSuperstep

public void preSuperstep()

Description copied from class: WorkerContext

Execute user code. This method is executed once on each Worker before each superstep starts.

Specified by:

preSuperstep in class WorkerContext

postSuperstep

public void postSuperstep()

Description copied from class: WorkerContext

Execute user code. This method is executed once on each Worker after each superstep ends.

Specified by:

postSuperstep in class WorkerContext

getVertexCount

public long getVertexCount()

getEdgeCount

public long getEdgeCount()

getOrigEdgeCount

public long getOrigEdgeCount()

increaseEdgesRemoved

public void increaseEdgesRemoved()

Increase the number of edges removed by one.