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ProxyPullSupplier.h

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00001 //                            Package   : omniEvents
00002 // ProxyPullSupplier.h        Created   : 2003/12/04
00003 //                            Author    : Alex Tingle
00004 //
00005 //    Copyright (C) 2003 Alex Tingle.
00006 //
00007 //    This file is part of the omniEvents application.
00008 //
00009 //    omniEvents is free software; you can redistribute it and/or
00010 //    modify it under the terms of the GNU Lesser General Public
00011 //    License as published by the Free Software Foundation; either
00012 //    version 2.1 of the License, or (at your option) any later version.
00013 //
00014 //    omniEvents is distributed in the hope that it will be useful,
00015 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 //    Lesser General Public License for more details.
00018 //
00019 //    You should have received a copy of the GNU Lesser General Public
00020 //    License along with this library; if not, write to the Free Software
00021 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 
00024 #ifndef OMNIEVENTS__PROXYPULLSUPPLIER_H
00025 #define OMNIEVENTS__PROXYPULLSUPPLIER_H
00026 
00027 #ifdef HAVE_CONFIG_H
00028 #  include "config.h"
00029 #endif
00030 
00031 #ifdef HAVE_IOSTREAM
00032 #  include <iostream>
00033 #else
00034 #  include <iostream.h>
00035 #endif
00036 
00037 #include "ProxyManager.h"
00038 #include "EventQueue.h"
00039 
00040 #include "CosEventChannelAdmin.hh"
00041 
00042 #ifdef HAVE_STD_IOSTREAM
00043 using namespace std;
00044 #endif
00045 
00046 namespace OmniEvents {
00047 
00048 class ProxyPullSupplierManager
00049 : public ProxyManager
00050 {
00051 public: // CORBA interface methods
00052   PortableServer::Servant incarnate(
00053     const PortableServer::ObjectId& oid,
00054     PortableServer::POA_ptr         poa
00055   );
00056 public:
00057   ProxyPullSupplierManager(PortableServer::POA_ptr parentPoa, EventQueue& q);
00058   CosEventChannelAdmin::ProxyPullSupplier_ptr createObject();
00059 private:
00060   EventQueue& _queue;
00061 };
00062 
00063 
00069 class ProxyPullSupplier_i
00070 : public virtual POA_CosEventChannelAdmin::ProxyPullSupplier,
00071   public Proxy,
00072   public EventQueue::Reader
00073 {
00074 public: // CORBA interface methods
00075   void connect_pull_consumer(CosEventComm::PullConsumer_ptr pullConsumer);
00076   void disconnect_pull_supplier();
00077   CORBA::Any* pull();
00078   CORBA::Any* try_pull(CORBA::Boolean& has_event);
00079 public:
00080   ProxyPullSupplier_i(PortableServer::POA_ptr poa, EventQueue& q);
00081   void reincarnate(const OEP_prxy& prxy);
00082   void output(ostream& os);
00083 private:
00084   CosEventComm::PullConsumer::_var_type _target;
00085 };
00086 
00087 }; // end namespace OmniEvents
00088 
00089 #endif // OMNIEVENTS__PROXYPULLSUPPLIER_H

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