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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.graph.structure.opt 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.geotools.graph.structure.opt.OptGraphable
      org.geotools.graph.structure.opt.OptDirectedNode

All known Subclasses:   org.geotools.graph.structure.line.OptDirectedXYNode,
OptDirectedNode
public class OptDirectedNode extends OptGraphable implements DirectedNode(Code)
Optimized implementation of DirectedNode. The following optimizations reduce space and increase performance.
  • In and Out edge adjacency list stored as arrays of exact size.
  • Support from removing edges is removed
  • The related component iterators iterates over the underlying edge arrays of the node instread of newly created collections.
Using an optimized directed node requires that the size of the in and out edge adjacency lists be known before its creation.
author:
   Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net
See Also:   DirectedNode

Inner Class :public class RelatedIterator implements Iterator


Constructor Summary
public  OptDirectedNode()
     Constructs a new OptDirectedNode.
public  OptDirectedNode(int indegree, int outdegree)
     Constructs a new OptDirectedNode.

Method Summary
public  voidadd(Edge e)
     Not supported.
public  voidaddIn(DirectedEdge e)
    
public  voidaddOut(DirectedEdge e)
    
public  intgetDegree()
    
public  EdgegetEdge(Node other)
    
public  ListgetEdges(Node other)
    
public  ListgetEdges()
    
public  intgetInDegree()
    
public  EdgegetInEdge(DirectedNode other)
    
public  DirectedEdge[]getInEdgeArray()
     Returns the in adjacency edge array of the node. An array of in edges for the node.
public  ListgetInEdges(DirectedNode other)
    
public  ListgetInEdges()
    
public  IteratorgetInRelated()
     This iterator iterates over the underlying in edge array of the node.
public  intgetOutDegree()
    
public  EdgegetOutEdge(DirectedNode other)
    
public  DirectedEdge[]getOutEdgeArray()
     Returns the out adjacency edge array of the node.
public  ListgetOutEdges(DirectedNode other)
    
public  ListgetOutEdges()
    
public  IteratorgetOutRelated()
     This iterator iterates over the underlying out edge array of the node.
public  IteratorgetRelated()
     This iterator iterates over the underlying edge arrays of the node.
public  voidremove(Edge e)
     Unsupported Operation.
public  voidremoveIn(DirectedEdge e)
     Unsupported Operation.
public  voidremoveOut(DirectedEdge e)
     Unsupported Operation.
public  voidsetInDegree(int indegree)
     Sets the in degree of the node.
public  voidsetOutDegree(int outdegree)
     Sets the out degree of the node.


Constructor Detail
OptDirectedNode
public OptDirectedNode()(Code)
Constructs a new OptDirectedNode. This constructor does not create the edge adjacency arrays for the node.



OptDirectedNode
public OptDirectedNode(int indegree, int outdegree)(Code)
Constructs a new OptDirectedNode.
Parameters:
  indegree - Number of in adjacenct edges to the node.
Parameters:
  outdegree - Number of out adjacent edges to the node.




Method Detail
add
public void add(Edge e)(Code)
Not supported.
throws:
  UnsupportedOperationException -



addIn
public void addIn(DirectedEdge e)(Code)

See Also:   DirectedNode.addIn(DirectedEdge)



addOut
public void addOut(DirectedEdge e)(Code)

See Also:   DirectedNode.addOut(DirectedEdge)



getDegree
public int getDegree()(Code)

See Also:   Node.getDegree



getEdge
public Edge getEdge(Node other)(Code)

See Also:   Node.getEdge(Node)



getEdges
public List getEdges(Node other)(Code)

See Also:   Node.getEdges(Node)



getEdges
public List getEdges()(Code)

See Also:   Node.getEdges



getInDegree
public int getInDegree()(Code)

See Also:   DirectedNode.getInDegree



getInEdge
public Edge getInEdge(DirectedNode other)(Code)

See Also:   DirectedNode.getInEdge(DirectedNode)



getInEdgeArray
public DirectedEdge[] getInEdgeArray()(Code)
Returns the in adjacency edge array of the node. An array of in edges for the node.



getInEdges
public List getInEdges(DirectedNode other)(Code)

See Also:   DirectedNode.getInEdges(DirectedNode)



getInEdges
public List getInEdges()(Code)

See Also:   DirectedNode.getInEdges



getInRelated
public Iterator getInRelated()(Code)
This iterator iterates over the underlying in edge array of the node.
See Also:   org.geotools.graph.structure.DirectedGraphable.getInRelated



getOutDegree
public int getOutDegree()(Code)

See Also:   DirectedNode.getOutDegree



getOutEdge
public Edge getOutEdge(DirectedNode other)(Code)

See Also:   DirectedNode.getOutEdge(DirectedNode)



getOutEdgeArray
public DirectedEdge[] getOutEdgeArray()(Code)
Returns the out adjacency edge array of the node. An array of out edges for the node.



getOutEdges
public List getOutEdges(DirectedNode other)(Code)

See Also:   DirectedNode.getOutEdges(DirectedNode)



getOutEdges
public List getOutEdges()(Code)

See Also:   DirectedNode.getOutEdges



getOutRelated
public Iterator getOutRelated()(Code)
This iterator iterates over the underlying out edge array of the node.



getRelated
public Iterator getRelated()(Code)
This iterator iterates over the underlying edge arrays of the node.
See Also:   org.geotools.graph.structure.Graphable.getRelated



remove
public void remove(Edge e)(Code)
Unsupported Operation.
throws:
  UnsupportedOperationException -



removeIn
public void removeIn(DirectedEdge e)(Code)
Unsupported Operation.
throws:
  UnsupportedOperationException -



removeOut
public void removeOut(DirectedEdge e)(Code)
Unsupported Operation.
throws:
  UnsupportedOperationException -



setInDegree
public void setInDegree(int indegree)(Code)
Sets the in degree of the node. This method builds the in edge adjacency list of the node.
Parameters:
  indegree - The in degree / size of in edge array of the node.



setOutDegree
public void setOutDegree(int outdegree)(Code)
Sets the out degree of the node. This method builds the out edge adjacency list of the node.
Parameters:
  outdegree - The out degree / size of out edge array of the node.



Methods inherited from org.geotools.graph.structure.opt.OptGraphable
public int getCount()(Code)(Java Doc)
public int getID()(Code)(Java Doc)
public Object getObject()(Code)(Java Doc)
public boolean isVisited()(Code)(Java Doc)
public void setCount(int count)(Code)(Java Doc)
public void setID(int id)(Code)(Java Doc)
public void setObject(Object obj)(Code)(Java Doc)
public void setVisited(boolean visited)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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