/*
* Hibernate Search, full-text search for your domain model
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.search.test.filter.deprecated;
import java.io.IOException;
import java.io.Serializable;
import org.apache.lucene.index.LeafReader;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.search.DocIdSet;
import org.apache.lucene.search.Filter;
import org.apache.lucene.util.Bits;
import org.hibernate.search.exception.SearchException;
import org.hibernate.search.filter.impl.AndDocIdSet;
/**
* @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(LeafReaderContext context, Bits acceptDocs) throws IOException {
LeafReader reader = context.reader();
ExcludeAllFilter.verifyItsAReadOnlySegmentReader( reader );
return AndDocIdSet.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 );
}
}
@Override
public String toString(String field) {
return "";
}
}