Orocos Real-Time Toolkit  2.8.3
OutputPortInterface.hpp
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1 /***************************************************************************
2  tag: Peter Soetens Thu Oct 22 11:59:07 CEST 2009 OutputPortInterface.hpp
3 
4  OutputPortInterface.hpp - description
5  -------------------
6  begin : Thu October 22 2009
7  copyright : (C) 2009 Sylvain Joyeux
8  email : sylvain.joyeux@m4x.org
9 
10  ***************************************************************************
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37 
38 
39 #ifndef ORO_OUTPUT_PORT_INTERFACE_HPP
40 #define ORO_OUTPUT_PORT_INTERFACE_HPP
41 
42 #include "PortInterface.hpp"
43 #include "../internal/ConnectionManager.hpp"
44 #include "DataSourceBase.hpp"
45 
46 namespace RTT
47 { namespace base {
48 
54  {
55  protected:
57 
61  virtual bool connectionAdded(ChannelElementBase::shared_ptr channel_input, ConnPolicy const& policy) = 0;
62 
64  public:
70  virtual bool addConnection(internal::ConnID* port_id, ChannelElementBase::shared_ptr channel_input, ConnPolicy const& policy);
71 
72  OutputPortInterface(std::string const& name);
73 
74  virtual ~OutputPortInterface();
75 
79  virtual bool keepsLastWrittenValue() const = 0;
80 
89  virtual void keepLastWrittenValue(bool new_flag) = 0;
90 
95  virtual DataSourceBase::shared_ptr getDataSource() const = 0;
96 
97  virtual void disconnect();
98 
102  virtual bool connected() const;
103 
107  virtual void write(DataSourceBase::shared_ptr source);
108 
112  bool createDataConnection( InputPortInterface& sink, int lock_policy = ConnPolicy::LOCK_FREE );
113 
118  bool createBufferConnection( InputPortInterface& sink, int size, int lock_policy = ConnPolicy::LOCK_FREE );
119 
123  bool createConnection( InputPortInterface& sink );
124 
128  virtual bool createConnection( InputPortInterface& sink, ConnPolicy const& policy ) = 0;
129 
131  virtual bool disconnect(PortInterface* port);
132 
136  virtual bool removeConnection(internal::ConnID* cid);
137 
138  virtual bool connectTo(PortInterface* other, ConnPolicy const& policy);
139 
140  virtual bool connectTo(PortInterface* other);
141 
142  virtual const internal::ConnectionManager* getManager() const { return &cmanager; }
143  };
144 }}
145 
146 #endif
The base class of the InputPort.
virtual const internal::ConnectionManager * getManager() const
Returns the connection manager of this port (if any).
internal::ConnectionManager cmanager
Manages connections between ports.
#define RTT_API
Definition: rtt-config.h:97
A connection policy object describes how a given connection should behave.
Definition: ConnPolicy.hpp:92
The base class of each OutputPort.
static const int LOCK_FREE
Definition: ConnPolicy.hpp:102
boost::intrusive_ptr< ChannelElementBase > shared_ptr
This class is used in places where a permanent representation of a reference to a connection is neede...
Definition: ConnID.hpp:58
boost::intrusive_ptr< DataSourceBase > shared_ptr
Use this type to store a pointer to a DataSourceBase.
Contains TaskContext, Activity, OperationCaller, Operation, Property, InputPort, OutputPort, Attribute.
Definition: Activity.cpp:51
The base class of every data flow port.