com.phoenixst.plexus

Class DefaultRootedTreeView

public class DefaultRootedTreeView extends DefaultOrientedForestView implements RootedTree

A default view implementation of the RootedTree interface.

Since: 1.0

Version: $Revision: 1.18 $

Author: Ray A. Conner

Constructor Summary
	DefaultRootedTreeView(Graph graph, Predicate parentPredicate, Predicate childPredicate) Creates a new `DefaultRootedTreeView`.
	DefaultRootedTreeView(Graph graph, Object root, Predicate parentPredicate, Predicate childPredicate) Creates a new `DefaultRootedTreeView`.

Method Summary
int	getDepth(Object node) Gets the depth of the specified node.
Object	getRoot() Gets the root node.
Object	getRoot(Object node)
boolean	isTreeNode(Object node)
Collection	rootNodes()
void	setRoot(Object root) Sets the root node, which must already be present in the `Graph`.

Constructor Detail

DefaultRootedTreeView

public DefaultRootedTreeView(Graph graph, Predicate parentPredicate, Predicate childPredicate)

Creates a new DefaultRootedTreeView.

DefaultRootedTreeView

public DefaultRootedTreeView(Graph graph, Object root, Predicate parentPredicate, Predicate childPredicate)

Creates a new DefaultRootedTreeView.

Method Detail

getDepth

public int getDepth(Object node)

Gets the depth of the specified node. If the specified node is not a descendant of the root node, this method will throw a NoSuchNodeException.

getRoot

public Object getRoot()

Gets the root node.

getRoot

public Object getRoot(Object node)

isTreeNode

public boolean isTreeNode(Object node)

rootNodes

public Collection rootNodes()

setRoot

public void setRoot(Object root)

Sets the root node, which must already be present in the Graph.

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