Orocos Real-Time Toolkit  2.9.0
ConditionOnce.cpp
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1 /***************************************************************************
2  tag: Peter Soetens Tue Apr 5 16:53:24 CEST 2005 ConditionOnce.cxx
3 
4  ConditionOnce.cxx - description
5  -------------------
6  begin : Tue April 05 2005
7  copyright : (C) 2005 Peter Soetens
8  email : peter.soetens@mech.kuleuven.ac.be
9 
10  ***************************************************************************
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37 
38 
39 
40 #include "ConditionOnce.hpp"
41 
42 namespace RTT {
43  using namespace scripting;
44  using namespace base;
45 
46  ConditionOnce::ConditionOnce(bool what) : ran( false ), _what(what)
47  {}
48 
50  {}
51 
53  {
54  if ( ran == true )
55  return !_what;
56  else
57  ran = true;
58  return _what;
59  }
60 
62  {
63  ran = false;
64  }
65 
67  {
68  return new ConditionOnce( _what );
69  }
70 }
71 
ConditionOnce(bool what)
Create a condition which will return once true or once false.
This interface represents the concept of a condition which can be evaluated and return true or false...
virtual void reset()
Some conditions need to be reset at some points.
virtual bool evaluate()
Evaluate the Condition and return the outcome.
ConditionInterface * clone() const
The Clone Software Pattern.
Contains TaskContext, Activity, OperationCaller, Operation, Property, InputPort, OutputPort, Attribute.
Definition: Activity.cpp:52