Package net.ontopia.topicmaps.impl.basic

Class SubjectIdentityCache

java.lang.Object

net.ontopia.topicmaps.impl.utils.AbstractSubjectIdentityCache

net.ontopia.topicmaps.impl.basic.SubjectIdentityCache

All Implemented Interfaces:

Serializable, EventListenerIF

public class SubjectIdentityCache
extends AbstractSubjectIdentityCache
implements Serializable

INTERNAL: Class that maintains indexes for use with the TopicMapIF locator lookup methods. This is especially useful in the cases where the topic map object cannot use queries to do the lookups.

This class uses the event model to maintain its indexes.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class net.ontopia.topicmaps.impl.utils.AbstractSubjectIdentityCache

AbstractSubjectIdentityCache.EventHandler

Field Summary

Fields

Modifier and Type	Field	Description
protected CollectionFactoryIF	cfactory
protected long	counter
protected Map<String,TMObject>	id_objects
protected Map<LocatorIF,TMObjectIF>	source_locators
protected Map<LocatorIF,TopicIF>	subject_indicators
protected Map<LocatorIF,TopicIF>	subjects
protected TopicMapTransactionIF	txn

Fields inherited from class net.ontopia.topicmaps.impl.utils.AbstractSubjectIdentityCache

handlers

Constructor Summary

Constructors

Constructor	Description
SubjectIdentityCache(TopicMapTransactionIF txn, CollectionFactoryIF cfactory)

Method Summary

Modifier and Type	Method	Description
protected TMObjectIF	_getObjectByItemIdentifier(LocatorIF source_locator)
protected TopicIF	_getTopicBySubjectIdentifier(LocatorIF subject_indicator)
protected TopicIF	_getTopicBySubjectLocator(LocatorIF subject)
Collection<LocatorIF>	getItemIdentifiers()
TMObjectIF	getObjectById(String object_id)
TMObjectIF	getObjectByItemIdentifier(LocatorIF locator)
Collection<LocatorIF>	getSubjectIdentifiers()
TopicIF	getTopicBySubjectIdentifier(LocatorIF locator)
TopicIF	getTopicBySubjectLocator(LocatorIF locator)
void	refresh()
protected void	registerObject(TMObjectIF o)	INTERNAL: Register the object with the identity map.
protected void	registerSourceLocator(LocatorIF source_locator, TMObjectIF object)
protected void	registerSubject(LocatorIF subject, TopicIF object)
protected void	registerSubjectIndicator(LocatorIF subject_indicator, TopicIF object)
protected void	unregisterObject(TMObjectIF o)	INTERNAL: Unregister the object with the identity map.
protected void	unregisterSourceLocator(LocatorIF source_locator)
protected void	unregisterSubject(LocatorIF subject)
protected void	unregisterSubjectIndicator(LocatorIF subject_indicator)

Methods inherited from class net.ontopia.topicmaps.impl.utils.AbstractSubjectIdentityCache

processEvent, registerListeners

Methods inherited from class java.lang.Object

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

Field Details

txn

protected TopicMapTransactionIF txn

cfactory

protected CollectionFactoryIF cfactory

counter

protected long counter

id_objects

protected Map<String,TMObject> id_objects

subjects

protected Map<LocatorIF,TopicIF> subjects

subject_indicators

protected Map<LocatorIF,TopicIF> subject_indicators

source_locators

protected Map<LocatorIF,TMObjectIF> source_locators

Constructor Details

SubjectIdentityCache

public SubjectIdentityCache(TopicMapTransactionIF txn,
 CollectionFactoryIF cfactory)

Method Details

refresh

public void refresh()

getObjectById

public TMObjectIF getObjectById(String object_id)

Specified by:

getObjectById in class AbstractSubjectIdentityCache

getObjectByItemIdentifier

public TMObjectIF getObjectByItemIdentifier(LocatorIF locator)

Specified by:

getObjectByItemIdentifier in class AbstractSubjectIdentityCache

getTopicBySubjectLocator

public TopicIF getTopicBySubjectLocator(LocatorIF locator)

Specified by:

getTopicBySubjectLocator in class AbstractSubjectIdentityCache

getTopicBySubjectIdentifier

public TopicIF getTopicBySubjectIdentifier(LocatorIF locator)

Specified by:

getTopicBySubjectIdentifier in class AbstractSubjectIdentityCache

getItemIdentifiers

public Collection<LocatorIF> getItemIdentifiers()

getSubjectIdentifiers

public Collection<LocatorIF> getSubjectIdentifiers()

_getObjectByItemIdentifier

protected TMObjectIF _getObjectByItemIdentifier(LocatorIF source_locator)

Specified by:

_getObjectByItemIdentifier in class AbstractSubjectIdentityCache

registerSourceLocator

protected void registerSourceLocator(LocatorIF source_locator,
 TMObjectIF object)

Specified by:

registerSourceLocator in class AbstractSubjectIdentityCache

unregisterSourceLocator

protected void unregisterSourceLocator(LocatorIF source_locator)

Specified by:

unregisterSourceLocator in class AbstractSubjectIdentityCache

_getTopicBySubjectIdentifier

protected TopicIF _getTopicBySubjectIdentifier(LocatorIF subject_indicator)

Specified by:

_getTopicBySubjectIdentifier in class AbstractSubjectIdentityCache

registerSubjectIndicator

protected void registerSubjectIndicator(LocatorIF subject_indicator,
 TopicIF object)

Specified by:

registerSubjectIndicator in class AbstractSubjectIdentityCache

unregisterSubjectIndicator

protected void unregisterSubjectIndicator(LocatorIF subject_indicator)

Specified by:

unregisterSubjectIndicator in class AbstractSubjectIdentityCache

_getTopicBySubjectLocator

protected TopicIF _getTopicBySubjectLocator(LocatorIF subject)

Specified by:

_getTopicBySubjectLocator in class AbstractSubjectIdentityCache

registerSubject

protected void registerSubject(LocatorIF subject,
 TopicIF object)

Specified by:

registerSubject in class AbstractSubjectIdentityCache

unregisterSubject

protected void unregisterSubject(LocatorIF subject)

Specified by:

unregisterSubject in class AbstractSubjectIdentityCache

registerObject

protected void registerObject(TMObjectIF o)

INTERNAL: Register the object with the identity map.

Overrides:

registerObject in class AbstractSubjectIdentityCache

unregisterObject

protected void unregisterObject(TMObjectIF o)

INTERNAL: Unregister the object with the identity map.

Overrides:

unregisterObject in class AbstractSubjectIdentityCache