001    /*
002     * Databinder: a simple bridge from Wicket to Hibernate
003     * Copyright (C) 2006  Nathan Hamblen nathan@technically.us
004    
005     * This library is free software; you can redistribute it and/or
006     * modify it under the terms of the GNU Lesser General Public
007     * License as published by the Free Software Foundation; either
008     * version 2.1 of the License, or (at your option) any later version.
009     * 
010     * This library 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 GNU
013     * Lesser General Public License for more details.
014     * 
015     * You should have received a copy of the GNU Lesser General Public
016     * License along with this library; if not, write to the Free Software
017     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
018     */
019    package net.databinder.cay;
020    
021    import org.apache.cayenne.access.DataContext;
022    import org.apache.wicket.RequestCycle;
023    
024    /** Provides access to Cayenne context for this thread. */
025    public class Databinder {
026            /** @return Cayenne context (possbly new) for this thread. */
027            public static DataContext getContext() {
028                    RequestCycle cycle = RequestCycle.get();
029                    if (cycle instanceof CayenneRequestCycle)
030                            ((CayenneRequestCycle)cycle).contextRequested();
031                    return DataContext.getThreadDataContext();
032            }
033    }