org.teiid.core.index

Interface IIndex

All Known Implementing Classes:

Index

public interface IIndex

An IIndex is the interface used to generate an index file, and to make queries on this index.

Method Summary

Modifier and Type	Method and Description
void	close() Closes the index file if open
int	getNumDocuments() Returns the number of documents indexed.
int	getNumWords() Returns the number of unique words indexed.
IQueryResult[]	query(String word) Returns the paths of the documents containing the given word.
IEntryResult[]	queryEntries(char[] pattern) Returns all entries for a given word.
IQueryResult[]	queryInDocumentNames(String word) Returns the paths of the documents whose names contain the given word.
IQueryResult[]	queryPrefix(char[] prefix) Returns the paths of the documents containing the given word prefix.
void	setDoCache(boolean doCache) sets a boolean indicating the index file will be cached and should remain open and in-memory

Method Detail

getNumDocuments

int getNumDocuments()
             throws IOException

Returns the number of documents indexed.

Throws:

IOException

getNumWords

int getNumWords()
         throws IOException

Returns the number of unique words indexed.

Throws:

IOException

query

IQueryResult[] query(String word)
              throws IOException

Returns the paths of the documents containing the given word.

Throws:

IOException

queryEntries

IEntryResult[] queryEntries(char[] pattern)
                     throws IOException

Returns all entries for a given word.

Throws:

IOException

queryInDocumentNames

IQueryResult[] queryInDocumentNames(String word)
                             throws IOException

Returns the paths of the documents whose names contain the given word.

Throws:

IOException

queryPrefix

IQueryResult[] queryPrefix(char[] prefix)
                    throws IOException

Returns the paths of the documents containing the given word prefix.

Throws:

IOException

close

void close()

Closes the index file if open

Since:

5.0

setDoCache

void setDoCache(boolean doCache)

sets a boolean indicating the index file will be cached and should remain open and in-memory

Parameters:

doCache -

Since:

5.0