net.ontopia.topicmaps.viz
Class BasenameUserThemeFilter

java.lang.Object
  net.ontopia.topicmaps.viz.AbstractUserThemeFilter
      net.ontopia.topicmaps.viz.BasenameUserThemeFilter

public class BasenameUserThemeFilter
extends AbstractUserThemeFilter

INTERNAL: Abstract class which provides access to filtering themes out which are not relevant to the user context.

Field Summary

protected ClassInstanceIndexIF	instanceIndex
protected ScopeIndexIF	scopeIndex

Constructor Summary

BasenameUserThemeFilter(TopicMapIF topicMap)

Method Summary

void	setTopicMap(TopicMapIF topicMap)
boolean	shouldNotBeUsed(TopicIF actTheme) Process theme and find out if it belongs to the user context and should therefore be displayed when selecting them.

Methods inherited from class net.ontopia.topicmaps.viz.AbstractUserThemeFilter

filterThemes, getTopicMap

Methods inherited from class java.lang.Object

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

Field Detail

scopeIndex

protected ScopeIndexIF scopeIndex

instanceIndex

protected ClassInstanceIndexIF instanceIndex

Constructor Detail

BasenameUserThemeFilter

public BasenameUserThemeFilter(TopicMapIF topicMap)

Method Detail

setTopicMap

public void setTopicMap(TopicMapIF topicMap)

Overrides:

setTopicMap in class AbstractUserThemeFilter

shouldNotBeUsed

public boolean shouldNotBeUsed(TopicIF actTheme)

Process theme and find out if it belongs to the user context and should therefore be displayed when selecting them. If any of the following rules apply the theme should be not displayed. [Assumption: Topic "A" is a theme that scopes a base name of topic "B"] Rule 1: if there exists an association between topic belonging to this theme and one or more topics which are related to the scoped base names OR if one or more topics belonging to scoped basename(s) is/are of type of the theme ( "B" is associated with "A" OR "B" is an instance of "A" ) Role 2: topic belonging to this theme is used to type association roles AND one or more topics belonging to with this theme scoped basenames are used to type associations in which the topic belonging to the theme is playing an association role ( "A" is the role type in at least one association of type "B" AND "B" is an association type ) Role 3: one or more of the topics belonging to the scoped basenames is/are used as a scope theme itself/themselves ( "B" is a theme )

Specified by:

shouldNotBeUsed in class AbstractUserThemeFilter

Returns:

boolean: true if this theme should not be displayed for user context configuration