nz.ac.waikato.mcennis.rat.graph
Class Tree

java.lang.Object
  nz.ac.waikato.mcennis.rat.graph.model.ModelShell
      nz.ac.waikato.mcennis.rat.graph.MemGraph
          nz.ac.waikato.mcennis.rat.graph.Tree

All Implemented Interfaces:

java.io.Serializable, Graph, Model, ParsedObject

public class Tree
extends MemGraph

Class for describing a tree. Does not enforce acyclic condition. Subclass of MemGraph with MemGraph indexing.

FIXME: Serialization not implemented - needs its own parser and output function.

See Also:

Serialized Form

Field Summary

Fields inherited from class nz.ac.waikato.mcennis.rat.graph.model.ModelShell

listener

Constructor Summary

Tree()

Method Summary

void	addRoot(Actor a) Add a root to the list of roots of this tree (forest)
java.util.Collection<Actor>	getRoots() Lists all the roots of this acyclic graph.
void	remove(Actor a) Identifies the given user and removes it and all links involving it from the graph.

Methods inherited from class nz.ac.waikato.mcennis.rat.graph.MemGraph

add, add, add, add, add, addChild, anonymize, close, commit, escapeXML, getActor, getActor, getActor, getActorCount, getActorIterator, getActorTypes, getChildren, getChildren, getGraphs, getID, getLink, getLink, getLink, getLinkByDestination, getLinkByDestination, getLinkBySource, getLinkBySource, getLinkTypes, getParameters, getParent, getPathSet, getPathSet, getProperty, getProperty, getSubGraph, getSubGraph, init, outputXML, remove, setID, setSubGraph, setWriter

Methods inherited from class nz.ac.waikato.mcennis.rat.graph.model.ModelShell

addListener, fireChange

Methods inherited from class java.lang.Object

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

Methods inherited from interface nz.ac.waikato.mcennis.rat.graph.model.Model

addListener

Constructor Detail

Tree

public Tree()

Method Detail

getRoots

public java.util.Collection<Actor> getRoots()

Lists all the roots of this acyclic graph.

Returns:

roots of the forest

addRoot

public void addRoot(Actor a)

Add a root to the list of roots of this tree (forest)

Parameters:

a - root actor to be added

remove

public void remove(Actor a)

Description copied from interface: Graph

Identifies the given user and removes it and all links involving it from the graph.

Specified by:

remove in interface Graph

Overrides:

remove in class MemGraph

Parameters:

a - user to be removed from the graph.