net.ontopia.topicmaps.utils
Class TopicTreeBuilder

java.lang.Object
  net.ontopia.topicmaps.utils.TopicTreeBuilder

public class TopicTreeBuilder
extends java.lang.Object

EXPERIMENTAL.

Since:

1.2

Field Summary

protected TopicIF	assocType
protected TopicIF	childRole
protected TopicIF	parentRole
protected java.util.Collection	types

Constructor Summary

TopicTreeBuilder(TopicIF assocType, TopicIF parentRole, TopicIF childRole)

Method Summary

TopicTreeNode	build() EXPERIMENTAL: Builds a tree consisting of all the topics participating in any associations of the given type.
TopicTreeNode	build(TopicIF topic) EXPERIMENTAL: Builds a tree consisting of all the topics directly related to the one given.
protected TopicTreeNode	build(TopicIF topic, java.util.Set visited)
protected boolean	filter(TopicIF topic)
protected TopicIF	getPlayer(AssociationIF assoc, TopicIF roleType)
protected TopicIF	getRoot(TopicIF topic, java.util.Set visited)
void	setFilterTypes(java.util.Collection types)

Methods inherited from class java.lang.Object

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

Field Detail

assocType

protected TopicIF assocType

parentRole

protected TopicIF parentRole

childRole

protected TopicIF childRole

types

protected java.util.Collection types

Constructor Detail

TopicTreeBuilder

public TopicTreeBuilder(TopicIF assocType,
                        TopicIF parentRole,
                        TopicIF childRole)

Method Detail

setFilterTypes

public void setFilterTypes(java.util.Collection types)

build

public TopicTreeNode build(TopicIF topic)

EXPERIMENTAL: Builds a tree consisting of all the topics directly related to the one given. The node given can be placed at any position in the tree.

build

public TopicTreeNode build()

EXPERIMENTAL: Builds a tree consisting of all the topics participating in any associations of the given type. A node with a null topic will be introduced as the common root of all the subtrees.

getRoot

protected TopicIF getRoot(TopicIF topic,
                          java.util.Set visited)

build

protected TopicTreeNode build(TopicIF topic,
                              java.util.Set visited)

getPlayer

protected TopicIF getPlayer(AssociationIF assoc,
                            TopicIF roleType)

filter

protected boolean filter(TopicIF topic)