001    /*
002     * Cumulus4j - Securing your data in the cloud - http://cumulus4j.org
003     * Copyright (C) 2011 NightLabs Consulting GmbH
004     *
005     * This program is free software: you can redistribute it and/or modify
006     * it under the terms of the GNU Affero General Public License as
007     * published by the Free Software Foundation, either version 3 of the
008     * License, or (at your option) any later version.
009     *
010     * This program is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013     * GNU Affero General Public License for more details.
014     *
015     * You should have received a copy of the GNU Affero General Public License
016     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017     */
018    package org.cumulus4j.store.annotation.datanucleus;
019    
020    import org.cumulus4j.annotation.NotQueryable;
021    import org.cumulus4j.store.Cumulus4jStoreManager;
022    import org.datanucleus.ClassLoaderResolver;
023    import org.datanucleus.metadata.AbstractMemberMetaData;
024    import org.datanucleus.metadata.annotations.AnnotationObject;
025    import org.datanucleus.metadata.annotations.MemberAnnotationHandler;
026    
027    /**
028     * Handler for the {@link NotQueryable} annotation when applied to a field/property of a persistable class.
029     * Translates it into the extension "cumulus4j-queryable" being set to "false".
030     */
031    public class NotQueryableHandler implements MemberAnnotationHandler
032    {
033        @Override
034        public void processMemberAnnotation(AnnotationObject ann, AbstractMemberMetaData mmd, ClassLoaderResolver clr)
035        {
036            mmd.addExtension(Cumulus4jStoreManager.CUMULUS4J_QUERYABLE, "false");
037        }
038    }