Java Doc for Graph.java in  » Workflow-Engines » pegasus-2.1.0 » org » griphyn » cPlanner » partitioner » graph » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » pegasus 2.1.0 » org.griphyn.cPlanner.partitioner.graph 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.griphyn.cPlanner.partitioner.graph.Graph

All known Subclasses:   org.griphyn.cPlanner.partitioner.graph.MapGraph,
Graph
public interface Graph extends GraphNodeContent(Code)
The interface for the Graph Class. It implements the GraphNodeContent interface. This allows us to associate Graphs with the nodes in a Graph i.e. graph of graphs.
author:
   Karan Vahi
version:
   $Revision: 50 $


Field Summary
final public static  StringVERSION
     The version number associated with this Graph API.


Method Summary
public  voidaddEdge(String parent, String child)
     Adds an edge between two already existing nodes in the graph.
public  voidaddEdges(String child, List parents)
     A convenience method that allows for bulk addition of edges between already existing nodes in the graph.
public  voidaddNode(GraphNode node)
     Adds a node to the Graph.
public  voidaddRoot(GraphNode root)
     Adds a single root node to the Graph.
public  ListgetLeaves()
     Returns the leaf nodes of the Graph.
public  GraphNodegetNode(String identifier)
     Returns the node matching the id passed.
Parameters:
  identifier - the id of the node.
public  ListgetRoots()
     Returns the root nodes of the Graph.
public  Iteratoriterator()
     Returns an iterator that traverses through the graph using a graph traversal algorithm.
public  IteratornodeIterator()
     Returns an iterator for the nodes in the Graph.
public  booleanremove(String identifier)
     Removes a node from the Graph.
Parameters:
  identifier - the id of the node to be removed.

Field Detail
VERSION
final public static String VERSION(Code)
The version number associated with this Graph API.





Method Detail
addEdge
public void addEdge(String parent, String child)(Code)
Adds an edge between two already existing nodes in the graph.
Parameters:
  parent - the parent node ID.
Parameters:
  child - the child node ID.



addEdges
public void addEdges(String child, List parents)(Code)
A convenience method that allows for bulk addition of edges between already existing nodes in the graph.
Parameters:
  child - the child node ID
Parameters:
  parents - list of parent identifiers as String.



addNode
public void addNode(GraphNode node)(Code)
Adds a node to the Graph. It overwrites an already existing node with the same ID.
Parameters:
  node - the node to be added to the Graph.



addRoot
public void addRoot(GraphNode root)(Code)
Adds a single root node to the Graph. All the exisitng roots of the Graph become children of the root.
Parameters:
  root - the GraphNode to be added as a root.
throws:
  RuntimeException - if a node with the same id already exists.



getLeaves
public List getLeaves()(Code)
Returns the leaf nodes of the Graph. a list containing GraphNode corressponding to theleaf nodes.



getNode
public GraphNode getNode(String identifier)(Code)
Returns the node matching the id passed.
Parameters:
  identifier - the id of the node. the node matching the ID else null.



getRoots
public List getRoots()(Code)
Returns the root nodes of the Graph. a list containing GraphNode corressponding to theroot nodes.



iterator
public Iterator iterator()(Code)
Returns an iterator that traverses through the graph using a graph traversal algorithm. Iterator through the nodes of the graph.



nodeIterator
public Iterator nodeIterator()(Code)
Returns an iterator for the nodes in the Graph. These iterators are fail safe. Iterator



remove
public boolean remove(String identifier)(Code)
Removes a node from the Graph.
Parameters:
  identifier - the id of the node to be removed. boolean indicating whether the node was removed or not.



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