001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.tide.seam;
023    
024    import org.granite.tide.data.DataContext;
025    import org.granite.tide.data.DataEnabled.PublishMode;
026    import org.jboss.seam.ScopeType;
027    import org.jboss.seam.annotations.Name;
028    import org.jboss.seam.annotations.Observer;
029    import org.jboss.seam.annotations.Scope;
030    
031    
032    /**
033     * Seam event listener to handle publishing of data changes instead of relying on the default behaviour
034     * This can be used outside of a HTTP Granite context and inside the security/transaction context
035     * @author William DRAI
036     *
037     */
038    @Name("org.granite.tide.seam.dataPublisher")
039    @Scope(ScopeType.EVENT)
040    public class TideDataPublishingOnSuccessHandler {
041            
042        @Observer("org.granite.tide.seam.data.transactionSuccess")
043        public void doPublish(boolean initContext) {
044            DataContext.publish(PublishMode.ON_COMMIT);
045            if (initContext)
046                    DataContext.remove();
047        }
048            
049        @Observer("org.granite.tide.seam.data.transactionCompletion")
050        public void doFinish(boolean initContext) {
051            if (initContext)
052                    DataContext.remove();
053        }
054    }