com.bigdata.rdf.graph

Interface IReducer<VS,ES,ST,T>

Type Parameters:

T - The type of the result.

All Known Implementing Classes:

CC.ConnectedComponentsReducer, PR.PageRankReducer

public interface IReducer<VS,ES,ST,T>

An interface for computing reductions over the vertices of a graph.

Version:

$Id: IResultHandler.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Method Summary

Methods

Modifier and Type	Method and Description
T	get() Return the aggregated results as an implementation dependent object.
void	visit(IGASState<VS,ES,ST> state, org.openrdf.model.Value u) Method is invoked for each result and is responsible for combining the results in whatever manner is meaningful for the procedure.

Method Detail

visit

void visit(IGASState<VS,ES,ST> state,
         org.openrdf.model.Value u)

Method is invoked for each result and is responsible for combining the results in whatever manner is meaningful for the procedure. Implementations of this method MUST be thread-safe.

Parameters:

result - The result from applying the procedure to a single index partition.

get

T get()

Return the aggregated results as an implementation dependent object.