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/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2003 Intersect Software Corp.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/
package net.wotonomy.web;
/**
* An abstract class defining the requirements for persisting
* session state across user transactions. Used by WOApplication
* to persist sessions between requests.
*
* @author michael@mpowers.net
* @author $Author: cgruber $
* @version $Revision: 893 $
*/
public abstract class WOSessionStore
{
private static WOSessionStore serverSessionStore = null;
/**
* Returns the default session store used by WOApplication.
*/
public static WOSessionStore serverSessionStore()
{
if ( serverSessionStore == null )
{
serverSessionStore = new WOServletSessionStore();
}
return serverSessionStore;
}
/**
* Called by WOApplication after the request-response cycle has ended.
* The context's session will again be available for subsequent requests.
*/
public final void checkInSessionForContext(WOContext aContext)
{
saveSessionForContext( aContext );
}
/**
* Returns the session with the specified id for the specified request,
* or null if none exist. Subsequent calls for the same id will return
* null until the session is checked in again.
* Called by WOApplication before the request-response cycle starts.
*/
public final WOSession checkOutSessionWithID(String sessionID, WORequest aRequest)
{
return restoreSessionWithID( sessionID, aRequest );
}
/**
* Removes the WOSession for the specified ID from the store and returns it.
*/
public abstract WOSession removeSessionWithID(String sessionID);
/**
* Returns the WOSession for the specified ID from the store.
*/
public abstract WOSession restoreSessionWithID(String sessionID,
WORequest aRequest);
/**
* Places the context's session into the store.
*/
public abstract void saveSessionForContext(WOContext context);
}
/*
* $Log$
* Revision 1.1 2006/02/16 13:22:22 cgruber
* Check in all sources in eclipse-friendly maven-enabled packages.
*
* Revision 1.1 2003/01/07 20:48:29 mpowers
* Implemented WOSessionStore and WOServletSessionStore.
*
*
*/
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