00001 /*************************************************************************** 00002 tag: Peter Soetens Thu Oct 22 11:59:07 CEST 2009 OutputPortInterface.hpp 00003 00004 OutputPortInterface.hpp - description 00005 ------------------- 00006 begin : Thu October 22 2009 00007 copyright : (C) 2009 Sylvain Joyeux 00008 email : sylvain.joyeux@m4x.org 00009 00010 *************************************************************************** 00011 * This library is free software; you can redistribute it and/or * 00012 * modify it under the terms of the GNU General Public * 00013 * License as published by the Free Software Foundation; * 00014 * version 2 of the License. * 00015 * * 00016 * As a special exception, you may use this file as part of a free * 00017 * software library without restriction. Specifically, if other files * 00018 * instantiate templates or use macros or inline functions from this * 00019 * file, or you compile this file and link it with other files to * 00020 * produce an executable, this file does not by itself cause the * 00021 * resulting executable to be covered by the GNU General Public * 00022 * License. This exception does not however invalidate any other * 00023 * reasons why the executable file might be covered by the GNU General * 00024 * Public License. * 00025 * * 00026 * This library is distributed in the hope that it will be useful, * 00027 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00028 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00029 * Lesser General Public License for more details. * 00030 * * 00031 * You should have received a copy of the GNU General Public * 00032 * License along with this library; if not, write to the Free Software * 00033 * Foundation, Inc., 59 Temple Place, * 00034 * Suite 330, Boston, MA 02111-1307 USA * 00035 * * 00036 ***************************************************************************/ 00037 00038 00039 #ifndef ORO_OUTPUT_PORT_INTERFACE_HPP 00040 #define ORO_OUTPUT_PORT_INTERFACE_HPP 00041 00042 #include "PortInterface.hpp" 00043 #include "../internal/ConnectionManager.hpp" 00044 #include "DataSourceBase.hpp" 00045 00046 namespace RTT 00047 { namespace base { 00048 00053 class RTT_API OutputPortInterface : public PortInterface 00054 { 00055 protected: 00056 internal::ConnectionManager cmanager; 00057 00061 virtual bool connectionAdded(ChannelElementBase::shared_ptr channel_input, ConnPolicy const& policy) = 0; 00062 00063 OutputPortInterface(OutputPortInterface const& orig); 00064 public: 00070 virtual bool addConnection(internal::ConnID* port_id, ChannelElementBase::shared_ptr channel_input, ConnPolicy const& policy); 00071 00072 OutputPortInterface(std::string const& name); 00073 00074 virtual ~OutputPortInterface(); 00075 00079 virtual bool keepsLastWrittenValue() const = 0; 00080 00089 virtual void keepLastWrittenValue(bool new_flag) = 0; 00090 00095 virtual DataSourceBase::shared_ptr getDataSource() const = 0; 00096 00097 virtual void disconnect(); 00098 00102 virtual bool connected() const; 00103 00107 virtual void write(DataSourceBase::shared_ptr source); 00108 00112 bool createDataConnection( InputPortInterface& sink, int lock_policy = ConnPolicy::LOCK_FREE ); 00113 00118 bool createBufferConnection( InputPortInterface& sink, int size, int lock_policy = ConnPolicy::LOCK_FREE ); 00119 00123 bool createConnection( InputPortInterface& sink ); 00124 00128 virtual bool createConnection( InputPortInterface& sink, ConnPolicy const& policy ) = 0; 00129 00131 virtual bool disconnect(PortInterface* port); 00132 00136 virtual bool removeConnection(internal::ConnID* cid); 00137 00138 virtual bool connectTo(PortInterface* other, ConnPolicy const& policy); 00139 00140 virtual bool connectTo(PortInterface* other); 00141 00142 virtual const internal::ConnectionManager* getManager() const { return &cmanager; } 00143 }; 00144 }} 00145 00146 #endif