001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.clustering;
022    
023    import java.lang.annotation.Documented;
024    import java.lang.annotation.ElementType;
025    import java.lang.annotation.Inherited;
026    import java.lang.annotation.Retention;
027    import java.lang.annotation.RetentionPolicy;
028    import java.lang.annotation.Target;
029    
030    /**
031     * This annotation is intended to be used on classes that need to be cached in an HTTP session
032     * without being replicated in a clustered environment. It will however only work in conjunction
033     * with the session map returned by an <tt>HttpGraniteContext</tt> instance. 
034     * 
035     * @author Franck WOLFF
036     * 
037     * @see org.granite.messaging.webapp.HttpGraniteContext
038     * @see TransientReferenceHolder
039     */
040    @Retention(RetentionPolicy.RUNTIME)
041    @Target(ElementType.TYPE)
042    @Inherited
043    @Documented
044    public @interface TransientReference {
045    }