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// **********************************************************************
//
// Copyright (c) 2003-2008 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
import Demo.*;
class SessionI implements _SessionOperations, _Glacier2SessionOperations
{
static public SessionI
getSession(Ice.Identity id)
{
synchronized(_sessions)
{
return _sessions.get(id);
}
}
synchronized public LibraryPrx
getLibrary(Ice.Current c)
{
if(_destroyed)
{
throw new Ice.ObjectNotExistException();
}
return _library;
}
synchronized public void
refresh(Ice.Current c)
{
if(_destroyed)
{
throw new Ice.ObjectNotExistException();
}
_timestamp = System.currentTimeMillis();
}
synchronized public void
destroy(Ice.Current c)
{
if(_destroyed)
{
throw new Ice.ObjectNotExistException();
}
_destroyed = true;
_logger.trace("Session", "session " + c.adapter.getCommunicator().identityToString(c.id) +
" is now destroyed.");
// Remove the session from the sessions map.
synchronized(_sessions)
{
Object o = _sessions.remove(_library.ice_getIdentity());
assert o != null;
}
java.util.Iterator<QueryProxyPair> p = _queries.iterator();
while(p.hasNext())
{
try
{
p.next().proxy.destroy();
}
catch(Ice.ObjectNotExistException e)
{
// Ignore, it could have already been destroyed.
}
}
// This method is never called on shutdown of the server.
c.adapter.remove(c.id);
}
// Called on application shutdown.
synchronized public void
shutdown()
{
if(!_destroyed)
{
_destroyed = true;
// Shutdown each of the associated query objects.
java.util.Iterator<QueryProxyPair> p = _queries.iterator();
while(p.hasNext())
{
p.next().impl.shutdown();
}
}
}
synchronized public long
timestamp()
{
if(_destroyed)
{
throw new Ice.ObjectNotExistException();
}
return _timestamp;
}
synchronized public void
add(BookQueryResultPrx proxy, BookQueryResultI impl)
{
// If the session has been destroyed, then destroy the book
// result, and raise an ObjectNotExistException.
if(_destroyed)
{
proxy.destroy();
throw new Ice.ObjectNotExistException();
}
_queries.add(new QueryProxyPair(proxy, impl));
}
synchronized public void
reapQueries()
{
if(_destroyed)
{
throw new Ice.ObjectNotExistException();
}
java.util.Iterator<QueryProxyPair> p = _queries.iterator();
while(p.hasNext())
{
QueryProxyPair pair = p.next();
try
{
pair.proxy.ice_ping();
}
catch(Ice.ObjectNotExistException e)
{
p.remove();
}
}
}
SessionI(Ice.Logger logger, Ice.ObjectAdapter adapter)
{
_logger = logger;
_timestamp = System.currentTimeMillis();
Ice.Identity id = new Ice.Identity();
id.category = "library";
id.name = Ice.Util.generateUUID();
_library = LibraryPrxHelper.uncheckedCast(adapter.createProxy(id));
// Add the library to the sessions map.
synchronized(_sessions)
{
_sessions.put(_library.ice_getIdentity(), this);
}
}
static class QueryProxyPair
{
QueryProxyPair(BookQueryResultPrx p, BookQueryResultI i)
{
proxy = p;
impl = i;
}
BookQueryResultPrx proxy;
BookQueryResultI impl;
}
private static java.util.Map<Ice.Identity, SessionI> _sessions =
new java.util.HashMap<Ice.Identity, SessionI>();
private java.util.List<QueryProxyPair> _queries = new java.util.LinkedList<QueryProxyPair>();
private Ice.Logger _logger;
private boolean _destroyed = false; // true if destroy() was called, false otherwise.
private long _timestamp; // The last time the session was refreshed.
private LibraryPrx _library;
}
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