com.bigdata.rdf.graph.impl.bd

Class PATHS.VS

java.lang.Object

com.bigdata.rdf.graph.impl.bd.PATHS.VS

Enclosing class:

PATHS

public static class PATHS.VS
extends Object

Constructor Summary

Constructors

Constructor and Description
PATHS.VS()

Method Summary

Methods

Modifier and Type	Method and Description
void	addPredecessor(org.openrdf.model.Value pred, org.openrdf.model.URI edge) Add a predecessor (might have already been added) and the edge along which the predecessor discovered this vertex.
int	depth() The depth at which this vertex was first visited (origin ZERO) and -1 if the vertex has not been visited.
Map<org.openrdf.model.Value,Set<org.openrdf.model.URI>>	predecessors() Return the vertices that discovered this vertex during BFS traversal.
String	toString()
boolean	visit(int depth, org.openrdf.model.Value pred, org.openrdf.model.URI edge) Note: This marks the vertex at the current traversal depth.

Methods inherited from class java.lang.Object

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

Constructor Detail

PATHS.VS

public PATHS.VS()

Method Detail

depth

public int depth()

The depth at which this vertex was first visited (origin ZERO) and -1 if the vertex has not been visited.

predecessors

public Map<org.openrdf.model.Value,Set<org.openrdf.model.URI>> predecessors()

Return the vertices that discovered this vertex during BFS traversal.

addPredecessor

public void addPredecessor(org.openrdf.model.Value pred,
                  org.openrdf.model.URI edge)

Add a predecessor (might have already been added) and the edge along which the predecessor discovered this vertex.

visit

public boolean visit(int depth,
            org.openrdf.model.Value pred,
            org.openrdf.model.URI edge)

Note: This marks the vertex at the current traversal depth.

Returns:

true if the vertex was visited for the first time in this round and the calling thread is the thread that first visited the vertex (this helps to avoid multiple scheduling of a vertex).

toString

public String toString()

Overrides:

toString in class Object