org.hibernate.search.filter.impl

Class CachingWrapperFilter

java.lang.Object

org.apache.lucene.search.Filter

org.hibernate.search.filter.impl.CachingWrapperFilter

All Implemented Interfaces:

Serializable

public class CachingWrapperFilter
extends org.apache.lucene.search.Filter

A slightly different version of Lucene's original CachingWrapperFilter which uses SoftReferences instead of WeakReferences in order to cache the filter BitSet.

Author:

Hardy Ferentschik

See Also:

CachingWrapperFilter, HSEARCH-174, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_SIZE

Constructor Summary

Constructors

Constructor and Description
CachingWrapperFilter(org.apache.lucene.search.Filter filter)
CachingWrapperFilter(org.apache.lucene.search.Filter filter, int size)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
org.apache.lucene.search.DocIdSet	getDocIdSet(org.apache.lucene.index.IndexReader reader)
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_SIZE

public static final int DEFAULT_SIZE

See Also:

Constant Field Values

Constructor Detail

CachingWrapperFilter

public CachingWrapperFilter(org.apache.lucene.search.Filter filter)

Parameters:

filter - Filter to cache results of

CachingWrapperFilter

public CachingWrapperFilter(org.apache.lucene.search.Filter filter,
                    int size)

Parameters:

filter - Filter to cache results of

size - soft reference size (gets multiplied by HARD_TO_SOFT_RATIO.

Method Detail

getDocIdSet

public org.apache.lucene.search.DocIdSet getDocIdSet(org.apache.lucene.index.IndexReader reader)
                                              throws IOException

Specified by:

getDocIdSet in class org.apache.lucene.search.Filter

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object