Package net.ontopia.topicmaps.impl.utils

Class FulltextIndexManager

java.lang.Object

net.ontopia.topicmaps.impl.utils.AbstractIndex

net.ontopia.topicmaps.impl.utils.BasicIndex

net.ontopia.topicmaps.impl.utils.FulltextIndexManager

All Implemented Interfaces:

IndexIF, EventListenerIF

public class FulltextIndexManager
extends BasicIndex

INTERNAL: The indexer manager will keep track of base names, variants and occurrences that are changed in the topic map. These fulltext index can later be synchronized through the synchronizeIndex method.

Nested Class Summary

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

BasicIndex.EventHandler<K,V>, BasicIndex.TypedPredicate

Field Summary

Fields

Modifier and Type	Field	Description
protected Collection<TMObjectIF>	added
protected Collection<TMObjectIF>	changed
protected Collection<String>	removed

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

handlers

Constructor Summary

Constructors

Constructor	Description
FulltextIndexManager(InMemoryTopicMapStore store)	INTERNAL: Registers the fulltext index manager with the event system of the specified topic map store.

Method Summary

Modifier and Type	Method	Description
boolean	needSynchronization()	INTERNAL: Returns true if index manager has seen changes to the topic map, so that the index must be updated.
protected void	objectAdded(Object object)
protected void	objectChanged(Object object)
protected void	objectRemoved(Object object)
boolean	synchronizeIndex(IndexerIF indexer)	INTERNAL: Applies all changes made to the topic map to the specified fulltext indexer.

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

getIndex, processEvent

Methods inherited from class java.lang.Object

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

Field Details

added

protected Collection<TMObjectIF> added

removed

protected Collection<String> removed

changed

protected Collection<TMObjectIF> changed

Constructor Details

FulltextIndexManager

public FulltextIndexManager(InMemoryTopicMapStore store)

INTERNAL: Registers the fulltext index manager with the event system of the specified topic map store.

Parameters:

store -

Method Details

needSynchronization

public boolean needSynchronization()

INTERNAL: Returns true if index manager has seen changes to the topic map, so that the index must be updated.

Returns:

True if index must be updated.

synchronizeIndex

public boolean synchronizeIndex(IndexerIF indexer)
                         throws IOException

INTERNAL: Applies all changes made to the topic map to the specified fulltext indexer.

Parameters:

indexer - The fulltext indexer to synchronize against.

Returns:

True if the index was modified.

Throws:

IOException

objectAdded

protected void objectAdded(Object object)

objectRemoved

protected void objectRemoved(Object object)

objectChanged

protected void objectChanged(Object object)