/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.capedwarf.search;
import com.google.appengine.api.search.Field;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Query;
/**
* @author <a href="mailto:mluksa@redhat.com">Marko Luksa</a>
*/
public class MultiFieldGAEQueryTreeVisitor extends GAEQueryTreeVisitor {
private FieldNamePrefixer fieldNamePrefixer = new FieldNamePrefixer();
public MultiFieldGAEQueryTreeVisitor(String allFieldName) {
super(allFieldName);
}
@Override
protected Query createQuery(String field, Operator operator, Context text) {
BooleanQuery booleanQuery = new BooleanQuery();
for (Field.FieldType fieldType : Field.FieldType.values()) {
String prefixedField = fieldNamePrefixer.getPrefixedFieldName(field, fieldType);
Query query = super.createQuery(prefixedField, operator, text);
booleanQuery.add(query, BooleanClause.Occur.SHOULD);
}
return booleanQuery;
}
}