org.apache.lucene.search

Class PrefixFilter

java.lang.Object

org.apache.lucene.search.Filter

org.apache.lucene.search.PrefixFilter

All Implemented Interfaces:

java.io.Serializable

public class PrefixFilter
extends Filter

Version:

$Id$

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Term	prefix

Constructor Summary

Constructors

Constructor and Description
PrefixFilter(Term prefix)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.BitSet	bits(IndexReader reader) Deprecated. Use getDocIdSet(IndexReader) instead.
DocIdSet	getDocIdSet(IndexReader reader)
Term	getPrefix()
java.lang.String	toString() Prints a user-readable version of this query.

Methods inherited from class java.lang.Object

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

Field Detail

prefix

protected final Term prefix

Constructor Detail

PrefixFilter

public PrefixFilter(Term prefix)

Method Detail

getPrefix

public Term getPrefix()

bits

public java.util.BitSet bits(IndexReader reader)
                      throws java.io.IOException

Deprecated. Use getDocIdSet(IndexReader) instead.

Overrides:

bits in class Filter

Returns:

A BitSet with true for documents which should be permitted in search results, and false for those that should not.

Throws:

java.io.IOException

getDocIdSet

public DocIdSet getDocIdSet(IndexReader reader)
                     throws java.io.IOException

Overrides:

getDocIdSet in class Filter

Returns:

a DocIdSet that provides the documents which should be permitted or prohibited in search results.

Throws:

java.io.IOException

See Also:

DocIdBitSet

toString

public java.lang.String toString()

Prints a user-readable version of this query.

Overrides:

toString in class java.lang.Object