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com.google.javascript.jscomp.graph
Class LinkedUndirectedGraph<N,E>

java.lang.Object
  extended by com.google.javascript.jscomp.graph.Graph<N,E>
      extended by com.google.javascript.jscomp.graph.UndiGraph<N,E>
          extended by com.google.javascript.jscomp.graph.LinkedUndirectedGraph<N,E>
Type Parameters:
N - Value type that the graph node stores.
E - Value type that the graph edge stores.
All Implemented Interfaces:
AdjacencyGraph<N,E>, GraphvizGraph
public class LinkedUndirectedGraph<N,E>
extends UndiGraph<N,E>
implements GraphvizGraph

An undirected graph using linked list within nodes to store edge information.

Nested Class Summary
 
Nested classes/interfaces inherited from class com.google.javascript.jscomp.graph.UndiGraph
UndiGraph.UndiGraphEdge<N,E>, UndiGraph.UndiGraphNode<N,E>
 
Nested classes/interfaces inherited from class com.google.javascript.jscomp.graph.Graph
Graph.GraphEdge<N,E>
 
Nested classes/interfaces inherited from interface com.google.javascript.jscomp.graph.GraphvizGraph
GraphvizGraph.GraphvizEdge, GraphvizGraph.GraphvizNode
 
Field Summary
protected  Map<N,com.google.javascript.jscomp.graph.LinkedUndirectedGraph.LinkedUndirectedGraphNode<N,E>> nodes
           
 
Constructor Summary
protected LinkedUndirectedGraph(boolean useNodeAnnotations, boolean useEdgeAnnotations)
           
 
Method Summary
 void connect(N srcValue, E edgeValue, N destValue)
          Connects two nodes in the graph with an edge.
static
<N,E> LinkedUndirectedGraph<N,E>
create()
           
 GraphNode<N,E> createNode(N value)
          Gets a node from the graph given a value.
 UndiGraph.UndiGraphNode<N,E> createUndirectedGraphNode(N nodeValue)
           
static
<N,E> LinkedUndirectedGraph<N,E>
createWithEdgeAnnotations()
           
static
<N,E> LinkedUndirectedGraph<N,E>
createWithNodeAnnotations()
           
static
<N,E> LinkedUndirectedGraph<N,E>
createWithoutAnnotations()
           
 void disconnect(N srcValue, N destValue)
          Disconnects two nodes in the graph by removing all edges between them.
 List<Graph.GraphEdge<N,E>> getEdges()
          Gets an immutable list of all edges.
 List<Graph.GraphEdge<N,E>> getEdges(N n1, N n2)
          Retrieves an edge from the graph.
 Graph.GraphEdge<N,E> getFirstEdge(N n1, N n2)
          Retrieves any edge from the graph.
 List<GraphvizGraph.GraphvizEdge> getGraphvizEdges()
          Retrieve a list of edges in the graph.
 List<GraphvizGraph.GraphvizNode> getGraphvizNodes()
          Retrieve a list of nodes in the graph.
 String getName()
          Name of the graph.
 List<GraphNode<N,E>> getNeighborNodes(N value)
          Gets the neighboring nodes.
 Iterator<GraphNode<N,E>> getNeighborNodesIterator(N value)
           
 GraphNode<N,E> getNode(N value)
          Gets a node from the graph given a value.
 int getNodeDegree(N value)
          Gets the degree of a node.
 Collection<GraphNode<N,E>> getNodes()
          Gets an immutable list of all nodes.
 List<UndiGraph.UndiGraphEdge<N,E>> getUndirectedGraphEdges(N n1, N n2)
           
 UndiGraph.UndiGraphNode<N,E> getUndirectedGraphNode(N nodeValue)
           
 Collection<UndiGraph.UndiGraphNode<N,E>> getUndirectedGraphNodes()
          Gets an immutable collection of all the nodes in this graph.
 boolean isConnected(N n1, E e, N n2)
          Checks whether two nodes in the graph are connected by the given edge type.
 boolean isConnected(N n1, N n2)
          Checks whether two nodes in the graph are connected.
 boolean isDirected()
          Graph type.
 SubGraph<N,E> newSubGraph()
          Returns an empty SubGraph for this Graph.
 
Methods inherited from class com.google.javascript.jscomp.graph.Graph
clearEdgeAnnotations, clearNodeAnnotations, connectIfNotFound, getWeight, hasNode, popEdgeAnnotations, popNodeAnnotations, pushEdgeAnnotations, pushNodeAnnotations
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

nodes

protected final Map<N,com.google.javascript.jscomp.graph.LinkedUndirectedGraph.LinkedUndirectedGraphNode<N,E>> nodes
Constructor Detail

LinkedUndirectedGraph

protected LinkedUndirectedGraph(boolean useNodeAnnotations,
                                boolean useEdgeAnnotations)
Method Detail

newSubGraph

public SubGraph<N,E> newSubGraph()
Description copied from interface: AdjacencyGraph
Returns an empty SubGraph for this Graph.

Specified by:
newSubGraph in interface AdjacencyGraph<N,E>

createWithoutAnnotations

public static <N,E> LinkedUndirectedGraph<N,E> createWithoutAnnotations()

createWithNodeAnnotations

public static <N,E> LinkedUndirectedGraph<N,E> createWithNodeAnnotations()

createWithEdgeAnnotations

public static <N,E> LinkedUndirectedGraph<N,E> createWithEdgeAnnotations()

create

public static <N,E> LinkedUndirectedGraph<N,E> create()

connect

public void connect(N srcValue,
                    E edgeValue,
                    N destValue)
Description copied from class: Graph
Connects two nodes in the graph with an edge.

Specified by:
connect in class Graph<N,E>
Parameters:
srcValue - First node.
edgeValue - The edge.
destValue - Second node.

disconnect

public void disconnect(N srcValue,
                       N destValue)
Description copied from class: Graph
Disconnects two nodes in the graph by removing all edges between them.

Specified by:
disconnect in class Graph<N,E>
Parameters:
srcValue - First node.
destValue - Second node.

createUndirectedGraphNode

public UndiGraph.UndiGraphNode<N,E> createUndirectedGraphNode(N nodeValue)

getNeighborNodes

public List<GraphNode<N,E>> getNeighborNodes(N value)
Description copied from class: Graph
Gets the neighboring nodes.

Specified by:
getNeighborNodes in class Graph<N,E>
Parameters:
value - The node's value.
Returns:
A list of neighboring nodes.

getNeighborNodesIterator

public Iterator<GraphNode<N,E>> getNeighborNodesIterator(N value)
Specified by:
getNeighborNodesIterator in class Graph<N,E>

getUndirectedGraphEdges

public List<UndiGraph.UndiGraphEdge<N,E>> getUndirectedGraphEdges(N n1,
                                                                  N n2)

getUndirectedGraphNode

public UndiGraph.UndiGraphNode<N,E> getUndirectedGraphNode(N nodeValue)
Specified by:
getUndirectedGraphNode in class UndiGraph<N,E>

getUndirectedGraphNodes

public Collection<UndiGraph.UndiGraphNode<N,E>> getUndirectedGraphNodes()
Description copied from class: UndiGraph
Gets an immutable collection of all the nodes in this graph.

createNode

public GraphNode<N,E> createNode(N value)
Description copied from class: Graph
Gets a node from the graph given a value. New nodes are created if that value has not been assigned a graph node. Values equality are compared using Object.equals.

Specified by:
createNode in class Graph<N,E>
Parameters:
value - The node's value.
Returns:
The corresponding node in the graph.

getEdges

public List<Graph.GraphEdge<N,E>> getEdges(N n1,
                                           N n2)
Description copied from class: Graph
Retrieves an edge from the graph.

Specified by:
getEdges in class Graph<N,E>
Parameters:
n1 - Node one.
n2 - Node two.
Returns:
The list of edges between those two values in the graph.

getFirstEdge

public Graph.GraphEdge<N,E> getFirstEdge(N n1,
                                         N n2)
Description copied from class: Graph
Retrieves any edge from the graph.

Specified by:
getFirstEdge in class Graph<N,E>
Parameters:
n1 - Node one.
n2 - Node two.
Returns:
The first edges between those two values in the graph. null if there are none.

getNode

public GraphNode<N,E> getNode(N value)
Description copied from interface: AdjacencyGraph
Gets a node from the graph given a value. Values equality are compared using Object.equals.

Specified by:
getNode in interface AdjacencyGraph<N,E>
Parameters:
value - The node's value.
Returns:
The corresponding node in the graph, null if there value has no corresponding node.

isConnected

public boolean isConnected(N n1,
                           N n2)
Description copied from class: Graph
Checks whether two nodes in the graph are connected.

Specified by:
isConnected in class Graph<N,E>
Parameters:
n1 - Node 1.
n2 - Node 2.
Returns:
true if the two nodes are connected.

isConnected

public boolean isConnected(N n1,
                           E e,
                           N n2)
Description copied from class: Graph
Checks whether two nodes in the graph are connected by the given edge type.

Specified by:
isConnected in class Graph<N,E>
Parameters:
n1 - Node 1.
e - The edge type.
n2 - Node 2.

getGraphvizEdges

public List<GraphvizGraph.GraphvizEdge> getGraphvizEdges()
Description copied from interface: GraphvizGraph
Retrieve a list of edges in the graph.

Specified by:
getGraphvizEdges in interface GraphvizGraph
Returns:
A list of edges in the graph.

getName

public String getName()
Description copied from interface: GraphvizGraph
Name of the graph.

Specified by:
getName in interface GraphvizGraph
Returns:
Name of the graph.

getGraphvizNodes

public List<GraphvizGraph.GraphvizNode> getGraphvizNodes()
Description copied from interface: GraphvizGraph
Retrieve a list of nodes in the graph.

Specified by:
getGraphvizNodes in interface GraphvizGraph
Returns:
A list of nodes in the graph.

isDirected

public boolean isDirected()
Description copied from interface: GraphvizGraph
Graph type.

Specified by:
isDirected in interface GraphvizGraph
Returns:
True if the graph is a directed graph.

getNodes

public Collection<GraphNode<N,E>> getNodes()
Description copied from class: Graph
Gets an immutable list of all nodes.

Specified by:
getNodes in interface AdjacencyGraph<N,E>
Specified by:
getNodes in class Graph<N,E>

getEdges

public List<Graph.GraphEdge<N,E>> getEdges()
Description copied from class: Graph
Gets an immutable list of all edges.

Specified by:
getEdges in class Graph<N,E>

getNodeDegree

public int getNodeDegree(N value)
Description copied from class: Graph
Gets the degree of a node.

Specified by:
getNodeDegree in class Graph<N,E>
Parameters:
value - The node's value.
Returns:
The degree of the node.
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