/*
* 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.query.dsl.impl;
import java.util.ArrayList;
import java.util.List;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Query;
import org.hibernate.search.query.dsl.AllContext;
/**
* @author Emmanuel Bernard
*/
public class ConnectedAllContext implements AllContext {
private final List<BooleanClause> clauses;
private final QueryCustomizer queryCustomizer;
public ConnectedAllContext() {
this.queryCustomizer = new QueryCustomizer();
this.clauses = new ArrayList<BooleanClause>(5);
this.clauses.add( new BooleanClause( new MatchAllDocsQuery(), BooleanClause.Occur.SHOULD ) );
}
public Query createQuery() {
Query query;
if ( clauses.size() == 1 ) {
query = clauses.get( 0 ).getQuery();
}
else {
BooleanQuery booleanQuery = new BooleanQuery( );
for (BooleanClause clause : clauses) {
booleanQuery.add( clause );
}
query = booleanQuery;
}
return queryCustomizer.setWrappedQuery( query ).createQuery();
}
public AllContext except(Query... queriesMatchingExcludedDocuments) {
for (Query query : queriesMatchingExcludedDocuments) {
clauses.add( new BooleanClause( query, BooleanClause.Occur.MUST_NOT ) );
}
return this;
}
public AllContext boostedTo(float boost) {
queryCustomizer.boostedTo( boost );
return this;
}
public AllContext withConstantScore() {
queryCustomizer.withConstantScore();
return this;
}
public AllContext filteredBy(Filter filter) {
queryCustomizer.filteredBy( filter );
return this;
}
}