org.jgrapht.graph.builder

Class AbstractGraphBuilder<V,E,G extends Graph<V,E>,B extends AbstractGraphBuilder<V,E,G,B>>

java.lang.Object

org.jgrapht.graph.builder.AbstractGraphBuilder<V,E,G,B>

Type Parameters:

V - the graph vertex type

E - the graph edge type

G - type of the resulting graph

B - type of this builder

Direct Known Subclasses:

GraphBuilder

public abstract class AbstractGraphBuilder<V,E,G extends Graph<V,E>,B extends AbstractGraphBuilder<V,E,G,B>>
extends Object

Base class for builders of Graph

Author:

Andrew Chen

Field Summary

Fields

Modifier and Type	Field and Description
protected G	graph

Constructor Summary

Constructors

Constructor and Description
AbstractGraphBuilder(G baseGraph) Creates a builder based on baseGraph.

Method Summary

Modifier and Type	Method and Description
B	addEdge(V source, V target) Adds an edge to the graph being built.
B	addEdge(V source, V target, double weight) Adds an weighted edge to the graph being built.
B	addEdge(V source, V target, E edge) Adds the specified edge to the graph being built.
B	addEdge(V source, V target, E edge, double weight) Adds the specified weighted edge to the graph being built.
B	addEdgeChain(V first, V second, V... rest) Adds a chain of edges to the graph being built.
B	addGraph(Graph<? extends V,? extends E> sourceGraph) Adds all the vertices and all the edges of the sourceGraph to the graph being built.
B	addVertex(V vertex) Adds vertex to the graph being built.
B	addVertices(V... vertices) Adds each vertex of vertices to the graph being built.
G	build() Build the graph.
Graph<V,E>	buildAsUnmodifiable() Build an unmodifiable version graph.
B	removeEdge(E edge) Removes the specified edge from the graph.
B	removeEdge(V source, V target) Removes an edge going from source vertex to target vertex from the graph being built, if such vertices and such edge exist in the graph.
B	removeVertex(V vertex) Removes vertex from the graph being built, if such vertex exist in graph.
B	removeVertices(V... vertices) Removes each vertex of vertices from the graph being built, if such vertices exist in graph.
protected abstract B	self()

Methods inherited from class java.lang.Object

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

Field Detail

graph

protected final G extends Graph<V,E> graph

Constructor Detail

AbstractGraphBuilder

public AbstractGraphBuilder(G baseGraph)

Creates a builder based on baseGraph. baseGraph must be mutable.

Parameters:

baseGraph - the graph object to base building on

Method Detail

self

protected abstract B self()

Returns:

the this object.

addVertex

public B addVertex(V vertex)

Adds vertex to the graph being built.

Parameters:

vertex - the vertex to add

Returns:

this builder object

See Also:

Graph.addVertex(Object)

addVertices

@SafeVarargs
public final B addVertices(V... vertices)

Adds each vertex of vertices to the graph being built.

Parameters:

vertices - the vertices to add

Returns:

this builder object

See Also:

addVertex(Object)

addEdge

public B addEdge(V source,
                 V target)

Adds an edge to the graph being built. The source and target vertices are added to the graph, if not already included.

Parameters:

source - source vertex of the edge.

target - target vertex of the edge.

Returns:

this builder object

See Also:

Graphs.addEdgeWithVertices(Graph, Object, Object)

addEdge

public B addEdge(V source,
                 V target,
                 E edge)

Adds the specified edge to the graph being built. The source and target vertices are added to the graph, if not already included.

Parameters:

source - source vertex of the edge.

target - target vertex of the edge.

edge - edge to be added to this graph.

Returns:

this builder object

See Also:

Graph.addEdge(Object, Object, Object)

addEdgeChain

@SafeVarargs
public final B addEdgeChain(V first,
                                         V second,
                                         V... rest)

Adds a chain of edges to the graph being built. The vertices are added to the graph, if not already included.

Parameters:

first - the first vertex

second - the second vertex

rest - the remaining vertices

Returns:

this builder object

See Also:

addEdge(Object, Object)

addGraph

public B addGraph(Graph<? extends V,? extends E> sourceGraph)

Adds all the vertices and all the edges of the sourceGraph to the graph being built.

Parameters:

sourceGraph - the source graph

Returns:

this builder object

See Also:

Graphs.addGraph(Graph, Graph)

removeVertex

public B removeVertex(V vertex)

Removes vertex from the graph being built, if such vertex exist in graph.

Parameters:

vertex - the vertex to remove

Returns:

this builder object

See Also:

Graph.removeVertex(Object)

removeVertices

@SafeVarargs
public final B removeVertices(V... vertices)

Removes each vertex of vertices from the graph being built, if such vertices exist in graph.

Parameters:

vertices - the vertices to remove

Returns:

this builder object

See Also:

removeVertex(Object)

removeEdge

public B removeEdge(V source,
                    V target)

Removes an edge going from source vertex to target vertex from the graph being built, if such vertices and such edge exist in the graph.

Parameters:

source - source vertex of the edge.

target - target vertex of the edge.

Returns:

this builder object

See Also:

Graph.removeVertex(Object)

removeEdge

public B removeEdge(E edge)

Removes the specified edge from the graph. Removes the specified edge from this graph if it is present.

Parameters:

edge - edge to be removed from this graph, if present.

Returns:

this builder object

See Also:

Graph.removeEdge(Object)

addEdge

public B addEdge(V source,
                 V target,
                 double weight)

Adds an weighted edge to the graph being built. The source and target vertices are added to the graph, if not already included.

Parameters:

source - source vertex of the edge.

target - target vertex of the edge.

weight - weight of the edge.

Returns:

this builder object

See Also:

Graphs.addEdgeWithVertices(Graph, Object, Object, double)

addEdge

public B addEdge(V source,
                 V target,
                 E edge,
                 double weight)

Adds the specified weighted edge to the graph being built. The source and target vertices are added to the graph, if not already included.

Parameters:

source - source vertex of the edge.

target - target vertex of the edge.

edge - edge to be added to this graph.

weight - weight of the edge.

Returns:

this builder object

See Also:

Graph.addEdge(Object, Object, Object), Graph.setEdgeWeight(Object, double)

build

public G build()

Build the graph. Calling any method (including this method) on this builder object after calling this method is undefined behaviour.

Returns:

the built graph.

buildAsUnmodifiable

public Graph<V,E> buildAsUnmodifiable()

Build an unmodifiable version graph. Calling any method (including this method) on this builder object after calling this method is undefined behaviour.

Returns:

the built unmodifiable graph.

See Also:

build()