WorkerIndexUsage (Apache Giraph Parent 1.4.0-SNAPSHOT API)

Type Parameters:

I - Vertex id type

All Known Subinterfaces:

BlockWorkerApi, BlockWorkerContextApi, BlockWorkerContextReceiveApi, BlockWorkerContextSendApi<I,WM>, BlockWorkerReceiveApi, BlockWorkerSendApi<I,V,E,M>, Computation<I,V,E,M1,M2>

All Known Implementing Classes:

AbstractComputation, AggregatorsBenchmark.AggregatorsBenchmarkComputation, AggregatorsBenchmark.AggregatorsBenchmarkWorkerContext, AggregatorsTestComputation, BasicComputation, BlockComputation, BlockWorkerContext, BrachaTouegDeadlockComputation, ConnectedComponentsComputation, DefaultWorkerContext, IdentityComputation, JythonGiraphComputation, MaxComputation, PageRankComputation, PageRankComputation, PageRankWithKryoSimpleWritable, PageRankWithKryoSimpleWritable.PageRankWithKryoWorkerContext, RandomMessageBenchmark.RandomMessageBenchmarkWorkerContext, RandomMessageBenchmark.RandomMessageComputation, RandomWalkComputation, RandomWalkWithRestartComputation, RandomWalkWorkerContext, ReducersBenchmark.ReducersBenchmarkComputation, ReducersBenchmark.ReducersBenchmarkWorkerContext, SccComputation, ShortestPathsComputation, SimpleCheckpoint.SimpleCheckpointComputation, SimpleCheckpoint.SimpleCheckpointVertexWorkerContext, SimpleCombinerComputation, SimpleFailComputation, SimpleInDegreeCountComputation, SimpleLongDoubleDoubleDoubleIdentityComputation, SimpleMasterComputeComputation, SimpleMasterComputeComputation.SimpleMasterComputeWorkerContext, SimpleMsgComputation, SimpleMutateGraphComputation, SimpleMutateGraphComputation.SimpleMutateGraphVertexWorkerContext, SimpleOutDegreeCountComputation, SimplePageRankComputation, SimplePageRankComputation.SimplePageRankWorkerContext, SimpleShortestPathsComputation, SimpleSuperstepComputation, SimpleTriangleClosingComputation, SimpleVertexWithWorkerContext.EmitterWorkerContext, SimpleVertexWithWorkerContext.SimpleComputation, TestComputationStateComputation, TestComputationStateComputation.TestComputationStateWorkerContext, VerifyMessage.VerifyMessageComputation, VerifyMessage.VerifyMessageComputation.VerifyMessageVertexWorkerContext, WeightedPageRankComputation, WorkerContext
```
public interface WorkerIndexUsage
```
Interface providing utilities for using worker index.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`int`	`getMyWorkerIndex()` Get index for this worker
`int`	`getWorkerCount()` Get number of workers
`int`	`getWorkerForVertex(I vertexId)` Get worker index which will contain vertex with given id, if such vertex exists.

- Method Detail
  - getWorkerCount
```
int getWorkerCount()
```
    Get number of workers
    
    Returns:
    
    Number of workers
  - getMyWorkerIndex
```
int getMyWorkerIndex()
```
    Get index for this worker
    
    Returns:
    
    Index of this worker
  - getWorkerForVertex
```
int getWorkerForVertex(I vertexId)
```
    Get worker index which will contain vertex with given id, if such vertex exists.
    
    Parameters:
    
    vertexId - vertex id
    
    Returns:
    
    worker index

Interface WorkerIndexUsage<I>

Method Summary

Method Detail

getWorkerCount

getMyWorkerIndex

getWorkerForVertex