Package org.jgrapht.graph

Class DirectedAcyclicGraph.TopoVertexBiMap<V>

java.lang.Object

org.jgrapht.graph.DirectedAcyclicGraph.TopoVertexBiMap<V>

All Implemented Interfaces:

Serializable, DirectedAcyclicGraph.TopoOrderMap<V>

Enclosing class:

DirectedAcyclicGraph<V,E>

protected static class DirectedAcyclicGraph.TopoVertexBiMap<V>
extends Object
implements DirectedAcyclicGraph.TopoOrderMap<V>

A dual map implementation of the topological order map.

Author:

Peter Giles

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
TopoVertexBiMap()	Constructor

Method Summary

Modifier and Type	Method	Description
Integer	getTopologicalIndex(V vertex)	Get the topological index of the given vertex.
V	getVertex(Integer index)	Get the vertex at the given topological index.
void	putVertex(Integer index, V vertex)	Add a vertex at the given topological index.
void	removeAllVertices()	Remove all vertices from the topological ordering.
Integer	removeVertex(V vertex)	Remove the given vertex from the topological ordering.

Methods inherited from class java.lang.Object

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

Constructor Detail

TopoVertexBiMap

public TopoVertexBiMap()

Constructor

Method Detail

putVertex

public void putVertex(Integer index,
                      V vertex)

Description copied from interface: DirectedAcyclicGraph.TopoOrderMap

Add a vertex at the given topological index.

Specified by:

putVertex in interface DirectedAcyclicGraph.TopoOrderMap<V>

Parameters:

index - the topological index

vertex - the vertex

getVertex

public V getVertex(Integer index)

Description copied from interface: DirectedAcyclicGraph.TopoOrderMap

Get the vertex at the given topological index.

Specified by:

getVertex in interface DirectedAcyclicGraph.TopoOrderMap<V>

Parameters:

index - the topological index

Returns:

vertex the vertex

getTopologicalIndex

public Integer getTopologicalIndex(V vertex)

Description copied from interface: DirectedAcyclicGraph.TopoOrderMap

Get the topological index of the given vertex.

Specified by:

getTopologicalIndex in interface DirectedAcyclicGraph.TopoOrderMap<V>

Parameters:

vertex - the vertex

Returns:

the index that the vertex is at, or null if the vertex isn't in the topological ordering

removeVertex

public Integer removeVertex(V vertex)

Description copied from interface: DirectedAcyclicGraph.TopoOrderMap

Remove the given vertex from the topological ordering.

Specified by:

removeVertex in interface DirectedAcyclicGraph.TopoOrderMap<V>

Parameters:

vertex - the vertex

Returns:

the index that the vertex was at, or null if the vertex wasn't in the topological ordering

removeAllVertices

public void removeAllVertices()

Description copied from interface: DirectedAcyclicGraph.TopoOrderMap

Remove all vertices from the topological ordering.

Specified by:

removeAllVertices in interface DirectedAcyclicGraph.TopoOrderMap<V>