MADARA  3.2.3
CompositeAndNode.h
Go to the documentation of this file.
1 #ifndef _MADARA_COMPOSITE_AND_NODE_H_
2 #define _MADARA_COMPOSITE_AND_NODE_H_
3 
4 #ifndef _MADARA_NO_KARL_
5 
6 
9 
10 namespace madara
11 {
12  namespace expression
13  {
14  // Forward declaration.
15  class ComponentNode;
16  class Visitor;
17 
23  {
24  public:
31  const ComponentNodes & nodes);
32 
37  virtual madara::knowledge::KnowledgeRecord item (void) const;
38 
46  virtual madara::knowledge::KnowledgeRecord prune (bool & can_change);
47 
57 
62  virtual void accept (Visitor &visitor) const;
63  };
64  }
65 }
66 
67 #endif // _MADARA_NO_KARL_
68 
69 #endif // _MADARA_COMPOSITE_AND_NODE_H_
This class encapsulates an entry in a KnowledgeBase.
virtual void accept(Visitor &visitor) const
Accepts a visitor subclassed from the Visitor class.
virtual madara::knowledge::KnowledgeRecord prune(bool &can_change)
Prunes the expression tree of unnecessary nodes.
CompositeAndNode(logger::Logger &logger, const ComponentNodes &nodes)
Constructor.
std::deque< ComponentNode * > ComponentNodes
a vector of Component Nodes
Provides knowledge logging services to files and terminals.
Definition: GlobalLogger.h:11
virtual madara::knowledge::KnowledgeRecord item(void) const
Returns the printable character of the node.
A multi-threaded logger for logging to one or more destinations.
Definition: Logger.h:88
A composite node that performs a logical and.
Abstract base class for all visitors to all classes that derive from ComponentNode.
Definition: Visitor.h:91
Settings for applying knowledge updates.
Copyright (c) 2015 Carnegie Mellon University.
virtual madara::knowledge::KnowledgeRecord evaluate(const madara::knowledge::KnowledgeUpdateSettings &settings)
Evaluates the expression tree.