ConnInputEndPoint.hpp
Go to the documentation of this file.00001 /*************************************************************************** 00002 tag: Peter Soetens Thu Oct 22 11:59:08 CEST 2009 ConnInputEndPoint.hpp 00003 00004 ConnInputEndPoint.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_CONN_INPUT_ENDPOINT_HPP 00040 #define ORO_CONN_INPUT_ENDPOINT_HPP 00041 00042 #include "Channels.hpp" 00043 00044 namespace RTT 00045 { namespace internal { 00046 00050 template<typename T> 00051 class ConnInputEndpoint : public base::ChannelElement<T> 00052 { 00053 OutputPort<T>* port; 00054 ConnID* cid; 00055 00056 public: 00057 ConnInputEndpoint(OutputPort<T>* port, ConnID* id) 00058 : port(port), cid(id) { } 00059 00060 ~ConnInputEndpoint() 00061 { 00062 //this->disconnect(false); // inform port (if any) we're gone. 00063 delete cid; 00064 } 00065 00066 using base::ChannelElement<T>::read; 00067 00071 virtual FlowStatus read(typename base::ChannelElement<T>::reference_t sample) 00072 { return NoData; } 00073 00074 virtual bool inputReady() { 00075 return true; 00076 } 00077 00078 virtual void disconnect(bool forward) 00079 { 00080 // Call the base class first 00081 base::ChannelElement<T>::disconnect(forward); 00082 00083 OutputPort<T>* port = this->port; 00084 if (port && !forward) 00085 { 00086 this->port = 0; 00087 port->removeConnection( cid ); 00088 } 00089 } 00090 00091 virtual base::PortInterface* getPort() const { 00092 return this->port; 00093 } 00094 00095 }; 00096 00097 }} 00098 00099 #endif 00100