/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.search.annotations;
/**
* Cache mode strategy for <code>FullTextFilterDef</code>s.
*
* @see FullTextFilterDef
* @author Emmanuel Bernard
*/
public enum FilterCacheModeType {
/**
* No filter instance and no result is cached by Hibernate Search.
* For every filter call, a new filter instance is created.
*/
NONE,
/**
* The filter instance is cached by Hibernate Search and reused across
* concurrent <code>Filter.getDocIdSet()</code> calls.
* Results are not cached by Hibernate Search.
*
* @see org.apache.lucene.search.Filter#getDocIdSet(org.apache.lucene.index.IndexReader)
*/
INSTANCE_ONLY,
/**
* Both the filter instance and the <code>DocIdSet</code> results are cached.
* The filter instance is cached by Hibernate Search and reused across
* concurrent <code>Filter.getDocIdSet()</code> calls.
* <code>DocIdSet</code> results are cached per <code>IndexReader</code>.
*
* @see org.apache.lucene.search.Filter#getDocIdSet(org.apache.lucene.index.IndexReader)
*/
INSTANCE_AND_DOCIDSETRESULTS
}