Package net.ontopia.infoset.fulltext.core

Interface IndexerIF

All Known Implementing Classes:

LuceneIndexer

public interface IndexerIF

INTERNAL: Represents a search engine indexer. Instances of this class are able to index documents and generate an index which can be used for searching those documents.

Method Summary

Modifier and Type	Method	Description
void	close()	INTERNAL: Closes the indexer.
void	delete()	INTERNAL: Deletes the index.
void	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.
void	index(DocumentIF document)	INTERNAL: Indexes the specified document.

Method Details

index

void index(DocumentIF document)
    throws IOException

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

Throws:

IOException

delete

void delete(String field,
 String value)
     throws IOException

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.

Throws:

IOException

flush

void flush()
    throws IOException

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

Throws:

IOException

delete

void delete()
     throws IOException

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

Throws:

IOException

Since:

1.3

close

void close()
    throws IOException

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

Throws:

IOException