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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 class SessionDispatchInterceptorI extends Ice.DispatchInterceptor
{
SessionDispatchInterceptorI(Ice.Logger logger, ConnectionPool pool, Ice.Object servant, SessionI session)
{
_logger = logger;
_pool = pool;
_servant = servant;
_session = session;
}
public Ice.DispatchStatus
dispatch(Ice.Request request)
{
SessionSQLRequestContext context = new SessionSQLRequestContext(_session, _logger, _pool);
try
{
Ice.DispatchStatus status = _servant.ice_dispatch(request, null);
context.destroyFromDispatch(status == Ice.DispatchStatus.DispatchOK);
return status;
}
catch(JDBCException ex)
{
context.error("dispatch to " +
request.getCurrent().id.category + "/" + request.getCurrent().id.name +
" failed.", ex);
context.destroyFromDispatch(false);
// Translate the exception to UnknownException.
Ice.UnknownException e = new Ice.UnknownException();
ex.initCause(e);
throw e;
}
}
private Ice.Logger _logger;
private ConnectionPool _pool;
private Ice.Object _servant;
private SessionI _session;
}
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.");
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(_library.ice_getIdentity());
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, ConnectionPool pool, Ice.ObjectAdapter adapter, Ice.Object libraryServant)
{
_logger = logger;
_timestamp = System.currentTimeMillis();
_library = LibraryPrxHelper.uncheckedCast(
adapter.addWithUUID(new SessionDispatchInterceptorI(logger, pool, libraryServant, this)));
}
static class QueryProxyPair
{
QueryProxyPair(BookQueryResultPrx p, BookQueryResultI i)
{
proxy = p;
impl = i;
}
BookQueryResultPrx proxy;
BookQueryResultI impl;
}
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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