net.ontopia.infoset.fulltext.utils
Class DefaultIndexerManager

java.lang.Object
  net.ontopia.infoset.fulltext.utils.DefaultIndexerManager

All Implemented Interfaces:

IndexerIF

public class DefaultIndexerManager
extends Object
implements IndexerIF

INTERNAL: A standalone index manager that performs document processing and indexing processes in the current thread. No other threads are used.

Warning: The delete() method is not supported. Call the method on the nested indexer instead.

Field Summary

protected IndexerIF	indexer
protected DocumentProcessorIF	processor

Constructor Summary

DefaultIndexerManager(IndexerIF indexer)
INTERNAL: Creates the manager and gives it the indexer used to do the actual indexing.

Method Summary

void	close() INTERNAL: Closes the indexer.
void	delete() INTERNAL: Deletes the index.
int	delete(String field, String value) INTERNAL: Removes all documents with the specified field value from the index.
void	flush() INTERNAL: Flushes all changes done to the index.
DocumentProcessorIF	getDocumentProcessor() INTERNAL: Gets the document processor used by the indexer manager.
IndexerIF	getIndexer() INTERNAL: Gets the nested indexer.
void	index(DocumentIF document) INTERNAL: Indexes the specified document.
void	setDocumentProcessor(DocumentProcessorIF processor) INTERNAL: Sets the document processor which is to be used by the indexer manager.
void	setIndexer(IndexerIF indexer) INTERNAL: Sets the nested indexer that is to be used by the indexer manager.

Methods inherited from class java.lang.Object

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

Field Detail

indexer

protected IndexerIF indexer

processor

protected DocumentProcessorIF processor

Constructor Detail

DefaultIndexerManager

public DefaultIndexerManager(IndexerIF indexer)

INTERNAL: Creates the manager and gives it the indexer used to do the actual indexing.

Method Detail

getDocumentProcessor

public DocumentProcessorIF getDocumentProcessor()

INTERNAL: Gets the document processor used by the indexer manager.

setDocumentProcessor

public void setDocumentProcessor(DocumentProcessorIF processor)

INTERNAL: Sets the document processor which is to be used by the indexer manager.

getIndexer

public IndexerIF getIndexer()

INTERNAL: Gets the nested indexer.

setIndexer

public void setIndexer(IndexerIF indexer)

INTERNAL: Sets the nested indexer that is to be used by the indexer manager.

index

public void index(DocumentIF document)
           throws IOException

Description copied from interface: IndexerIF

INTERNAL: Indexes the specified document. This includes tokenizing, indexing and storing the document fields.

Specified by:

index in interface IndexerIF

Throws:

IOException

delete

public int delete(String field,
                  String value)
           throws IOException

Description copied from interface: IndexerIF

INTERNAL: Removes all documents with the specified field value from the index. This method should generally be, but is not limited to, used to delete documents by their identity field.

Specified by:

delete in interface IndexerIF

Returns:

The number of documents that was deleted from the index. -1 is return if this number is unknown.

Throws:

IOException

flush

public void flush()
           throws IOException

Description copied from interface: IndexerIF

INTERNAL: Flushes all changes done to the index. A flushing operation can include actions like persisting changes and optimizing the index.

Specified by:

flush in interface IndexerIF

Throws:

IOException

delete

public void delete()
            throws IOException

Description copied from interface: IndexerIF

INTERNAL: Deletes the index. The indexer is closed after this method returns. Note that some indexers might not support this operation.

Specified by:

delete in interface IndexerIF

Throws:

IOException

close

public void close()
           throws IOException

Description copied from interface: IndexerIF

INTERNAL: Closes the indexer. After the indexer has been closed it cannot (generally) be reopened.

Specified by:

close in interface IndexerIF

Throws:

IOException