/*
* 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.test.filter;
import java.io.IOException;
import java.io.Serializable;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.DocIdSet;
import org.hibernate.search.SearchException;
/**
* @author Emmanuel Bernard
* @author Sanne Grinovero
*/
public class InstanceBasedExcludeAllFilter extends Filter implements Serializable {
private static volatile int constructorCount = 0;
public InstanceBasedExcludeAllFilter() {
constructorCount++;
}
@Override
public DocIdSet getDocIdSet(IndexReader reader) throws IOException {
ExcludeAllFilter.verifyItsAReadOnlySegmentReader( reader );
return DocIdSet.EMPTY_DOCIDSET;
}
public static void reset() {
constructorCount = 0;
}
public static void assertConstructorInvoked(int times) {
if ( constructorCount != times ) {
throw new SearchException( "test failed, constructor invoked " + constructorCount + ", expected " + times );
}
}
}