FulltextIndexManager (Ontopia)

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

All Methods Instance Methods Concrete Methods
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 Detail
  - added
```
protected Collection<TMObjectIF> added
```
  - removed
```
protected Collection<String> removed
```
  - changed
```
protected Collection<TMObjectIF> changed
```
- Constructor Detail
  - FulltextIndexManager
```
public FulltextIndexManager(InMemoryTopicMapStore store)
```
    INTERNAL: Registers the fulltext index manager with the event system of the specified topic map store.
    
    Parameters:
    
    store -
- Method Detail
  - 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)
```