Uses of Interface
org.apache.giraph.worker.WorkerIndexUsage

Packages that use WorkerIndexUsage

Package	Description
org.apache.giraph.benchmark	Package of benchmarks for performance testing and optimization
org.apache.giraph.block_app.framework.api	Interfaces representing full API to the underlying graph processing system.
org.apache.giraph.block_app.framework.api.giraph	Giraph implementation of graph processing system API used by Blocks Framework.
org.apache.giraph.examples	Package of Giraph examples.
org.apache.giraph.examples.scc	Classes for Strongly Connected Components computation.
org.apache.giraph.graph	Package of all the graph related objects, built on the org.apache.bsp package.
org.apache.giraph.jython	Jython integration.
org.apache.giraph.worker	Package of all the worker related things

Uses of WorkerIndexUsage in org.apache.giraph.benchmark

Classes in org.apache.giraph.benchmark that implement WorkerIndexUsage

Modifier and Type	Class and Description
static class	AggregatorsBenchmark.AggregatorsBenchmarkComputation Vertex class for AggregatorsBenchmark
static class	AggregatorsBenchmark.AggregatorsBenchmarkWorkerContext WorkerContext class for AggregatorsBenchmark
class	PageRankComputation Implementation of PageRank in which vertex ids are ints, page rank values are floats, and graph is unweighted.
static class	RandomMessageBenchmark.RandomMessageBenchmarkWorkerContext WorkerContext forRandomMessageBenchmark.
static class	RandomMessageBenchmark.RandomMessageComputation Actual message computation (messaging in this case)
static class	ReducersBenchmark.ReducersBenchmarkComputation Vertex class for ReducersBenchmark
static class	ReducersBenchmark.ReducersBenchmarkWorkerContext WorkerContext class for ReducersBenchmark
class	ShortestPathsComputation Shortest paths algorithm.
class	WeightedPageRankComputation Implementation of Page Rank algorithm on a weighted graph.

Uses of WorkerIndexUsage in org.apache.giraph.block_app.framework.api

Subinterfaces of WorkerIndexUsage in org.apache.giraph.block_app.framework.api

Modifier and Type	Interface and Description
interface	BlockWorkerApi<I extends org.apache.hadoop.io.WritableComparable> Block computation API available for worker methods.
interface	BlockWorkerContextApi<I extends org.apache.hadoop.io.WritableComparable> Block computation API available for worker context methods.
interface	BlockWorkerContextReceiveApi<I extends org.apache.hadoop.io.WritableComparable> Block computation API available for worker context receive methods.
interface	BlockWorkerContextSendApi<I extends org.apache.hadoop.io.WritableComparable,WM extends org.apache.hadoop.io.Writable> Block computation API available for worker send methods.
interface	BlockWorkerReceiveApi<I extends org.apache.hadoop.io.WritableComparable> Block computation API available for worker receive methods.
interface	BlockWorkerSendApi<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> Block computation API available for worker send methods.

Uses of WorkerIndexUsage in org.apache.giraph.block_app.framework.api.giraph

Classes in org.apache.giraph.block_app.framework.api.giraph that implement WorkerIndexUsage

Modifier and Type	Class and Description
class	BlockComputation Computation that executes receiver and sender blocks passed into BlockWorkerPieces.
class	BlockWorkerContext WorkerContext that executes receiver and sender blocks passed into BlockWorkerPieces.

Uses of WorkerIndexUsage in org.apache.giraph.examples

Classes in org.apache.giraph.examples that implement WorkerIndexUsage

Modifier and Type	Class and Description
class	AggregatorsTestComputation Computation which uses aggrergators.
class	BrachaTouegDeadlockComputation This code demonstrates the Bracha Toueg deadlock detection algorithm.
class	ConnectedComponentsComputation Implementation of the HCC algorithm that identifies connected components and assigns each vertex its "component identifier" (the smallest vertex id in the component) The idea behind the algorithm is very simple: propagate the smallest vertex id along the edges to all vertices of a connected component.
class	IdentityComputation<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> User applications can subclass IdentityComputation, which simply prints the results that have been read for testing IO related jobs under any inputformat
class	MaxComputation Simple algorithm that computes the max value in the graph.
class	PageRankWithKryoSimpleWritable Copy of SimplePageRank, modified to test vertex/edge and message values that derives from KryoSimpleWritable.
static class	PageRankWithKryoSimpleWritable.PageRankWithKryoWorkerContext Worker context used with PageRankWithKryoSimpleWritable.
class	RandomWalkComputation<E extends org.apache.hadoop.io.Writable> Base class for executing a random walk on a graph
class	RandomWalkWithRestartComputation Executes "RandomWalkWithRestart", a random walk on the graph which is biased towards a source vertex.
class	RandomWalkWorkerContext Worker context for random walks.
static class	SimpleCheckpoint.SimpleCheckpointComputation Actual computation.
static class	SimpleCheckpoint.SimpleCheckpointVertexWorkerContext Worker context associated with SimpleCheckpoint.
class	SimpleCombinerComputation Test whether messages can go through a combiner.
class	SimpleFailComputation Vertex to allow unit testing of failure detection
class	SimpleInDegreeCountComputation Simple function to return the out degree for each vertex.
class	SimpleLongDoubleDoubleDoubleIdentityComputation A simple use of the Identity Vertex for taking care of Long, Double, Double, Double type Inputformat Good for use with io.LongDoubleDoubleAdjacencyListVertexInputFormat
class	SimpleMasterComputeComputation Demonstrates a computation with a centralized part implemented via a MasterCompute.
static class	SimpleMasterComputeComputation.SimpleMasterComputeWorkerContext Worker context used with SimpleMasterComputeComputation.
class	SimpleMsgComputation Test whether messages can be sent and received by vertices.
class	SimpleMutateGraphComputation Vertex to allow unit testing of graph mutations.
static class	SimpleMutateGraphComputation.SimpleMutateGraphVertexWorkerContext Worker context used with SimpleMutateGraphComputation.
class	SimpleOutDegreeCountComputation Simple function to return the out degree for each vertex.
class	SimplePageRankComputation Demonstrates the basic Pregel PageRank implementation.
static class	SimplePageRankComputation.SimplePageRankWorkerContext Worker context used with SimplePageRankComputation.
class	SimpleShortestPathsComputation Demonstrates the basic Pregel shortest paths implementation.
class	SimpleSuperstepComputation Just a simple Vertex compute implementation that executes 3 supersteps, then finishes.
class	SimpleTriangleClosingComputation Demonstrates triangle closing in simple, unweighted graphs for Giraph.
static class	SimpleVertexWithWorkerContext.EmitterWorkerContext Example worker context to emit data as part of a superstep.
static class	SimpleVertexWithWorkerContext.SimpleComputation Actual vetex implementation
class	TestComputationStateComputation Vertex to test the local variables in Computation, and pre/postSuperstep methods
static class	TestComputationStateComputation.TestComputationStateWorkerContext WorkerContext for TestComputationState
static class	VerifyMessage.VerifyMessageComputation Send and verify messages.
static class	VerifyMessage.VerifyMessageComputation.VerifyMessageVertexWorkerContext Worker context used with VerifyMessage.VerifyMessageComputation.

Uses of WorkerIndexUsage in org.apache.giraph.examples.scc

Classes in org.apache.giraph.examples.scc that implement WorkerIndexUsage

Modifier and Type	Class and Description
class	SccComputation Finds strongly connected components of the graph.

Uses of WorkerIndexUsage in org.apache.giraph.graph

Subinterfaces of WorkerIndexUsage in org.apache.giraph.graph

Modifier and Type	Interface and Description
interface	Computation<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M1 extends org.apache.hadoop.io.Writable,M2 extends org.apache.hadoop.io.Writable> Interface for an application for computation.

Classes in org.apache.giraph.graph that implement WorkerIndexUsage

Modifier and Type	Class and Description
class	AbstractComputation<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M1 extends org.apache.hadoop.io.Writable,M2 extends org.apache.hadoop.io.Writable> See Computation for explanation of the interface.
class	BasicComputation<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M extends org.apache.hadoop.io.Writable> Computation in which both incoming and outgoing message types are the same.

Uses of WorkerIndexUsage in org.apache.giraph.jython

Classes in org.apache.giraph.jython that implement WorkerIndexUsage

Modifier and Type	Class and Description
class	JythonGiraphComputation<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,E extends org.apache.hadoop.io.Writable,M1 extends org.apache.hadoop.io.Writable,M2 extends org.apache.hadoop.io.Writable> The Computation class for using Jython with Giraph.

Uses of WorkerIndexUsage in org.apache.giraph.worker

Classes in org.apache.giraph.worker that implement WorkerIndexUsage

Modifier and Type	Class and Description
class	DefaultWorkerContext A dummy implementation of WorkerContext.
class	WorkerContext WorkerContext allows for the execution of user code on a per-worker basis.