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// **********************************************************************
//
// Copyright (c) 2003-2018 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.
//
// **********************************************************************
package IceInternal;
import java.util.Map;
import java.util.HashMap;
import java.util.concurrent.Callable;
public final class RequestHandlerFactory
{
RequestHandlerFactory(Instance instance)
{
_instance = instance;
}
public RequestHandler
getRequestHandler(final RoutableReference ref, Ice.ObjectPrxHelperBase proxy)
{
if(ref.getCollocationOptimized())
{
Ice.ObjectAdapter adapter = _instance.objectAdapterFactory().findObjectAdapter(proxy);
if(adapter != null)
{
return proxy._setRequestHandler(new CollocatedRequestHandler(ref, adapter));
}
}
ConnectRequestHandler handler = null;
boolean connect = false;
if(ref.getCacheConnection())
{
synchronized(this)
{
handler = _handlers.get(ref);
if(handler == null)
{
handler = new ConnectRequestHandler(ref, proxy);
_handlers.put(ref, handler);
connect = true;
}
}
}
else
{
handler = new ConnectRequestHandler(ref, proxy);
connect = true;
}
if(connect)
{
if(_instance.queueRequests())
{
final ConnectRequestHandler h = handler;
_instance.getQueueExecutor().executeNoThrow(new Callable<Void>()
{
@Override
public Void call()
{
ref.getConnection(h);
return null;
}
});
}
else
{
ref.getConnection(handler);
}
}
return proxy._setRequestHandler(handler.connect(proxy));
}
void
removeRequestHandler(Reference ref, RequestHandler handler)
{
if(ref.getCacheConnection())
{
synchronized(this)
{
if(_handlers.get(ref) == handler)
{
_handlers.remove(ref);
}
}
}
}
private final Instance _instance;
private final Map<Reference, ConnectRequestHandler> _handlers = new HashMap<Reference, ConnectRequestHandler>();
}
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