com.jaeksoft.searchlib.index.osse.query.OsseBooleanQuery.java Source code

Introduction

Here is the source code for com.jaeksoft.searchlib.index.osse.query.OsseBooleanQuery.java

Source

/**   
 * License Agreement for OpenSearchServer
 *
 * Copyright (C) 2013 Emmanuel Keller / Jaeksoft
 * 
 * http://www.open-search-server.com
 * 
 * This file is part of OpenSearchServer.
 *
 * OpenSearchServer is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 * OpenSearchServer 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with OpenSearchServer. 
 *  If not, see <http://www.gnu.org/licenses/>.
 **/

package com.jaeksoft.searchlib.index.osse.query;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;

import com.jaeksoft.searchlib.SearchLibException;
import com.jaeksoft.searchlib.index.osse.api.OsseCursor;
import com.jaeksoft.searchlib.index.osse.api.OsseErrorHandler;
import com.jaeksoft.searchlib.index.osse.api.OsseIndex;
import com.jaeksoft.searchlib.index.osse.api.OsseIndex.FieldInfo;
import com.jaeksoft.searchlib.util.IOUtils;

public class OsseBooleanQuery extends OsseAbstractQuery {

    private class OsseBooleanClause {

        private final OsseAbstractQuery query;

        private OsseBooleanClause(BooleanClause booleanClause) throws SearchLibException {
            query = OsseAbstractQuery.create(booleanClause.getQuery());
        }

        public OsseCursor execute(OsseIndex index, Map<String, FieldInfo> fieldMap, OsseErrorHandler error)
                throws SearchLibException {
            query.execute(index, fieldMap, error);
            return query.cursor;
        }

    }

    private final List<OsseBooleanClause> clauses;

    OsseBooleanQuery(BooleanQuery booleanQuery) throws SearchLibException {
        clauses = new ArrayList<OsseBooleanClause>(booleanQuery.clauses().size());
        for (BooleanClause booleanClause : booleanQuery)
            clauses.add(new OsseBooleanClause(booleanClause));
    }

    @Override
    public void execute(OsseIndex index, Map<String, FieldInfo> fieldMap, OsseErrorHandler error)
            throws SearchLibException {
        List<OsseCursor> cursors = new ArrayList<OsseCursor>(clauses.size());
        for (OsseBooleanClause clause : clauses)
            cursors.add(clause.execute(index, fieldMap, error));
        cursor = null;// new OsseCursor(index, error,
        // OsseLibrary.OSSCLIB_QCURSOR_UI32BOP_AND, cursors);
    }

    @Override
    public void close() {
        super.close();
        for (OsseBooleanClause clause : clauses)
            IOUtils.close(clause.query);
    }
}