MADARA  3.4.1
CompositeConstArray.h
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1 /* -*- C++ -*- */
2 #ifndef _MADARA_COMPOSITE_CONST_ARRAY_H_
3 #define _MADARA_COMPOSITE_CONST_ARRAY_H_
4 
5 #ifndef _MADARA_NO_KARL_
6 
7 #include <vector>
12 
13 namespace madara
14 {
15 namespace expression
16 {
17 class ComponentNode;
18 class Visitor;
19 
25 {
26 public:
33 
37  virtual ~CompositeConstArray(void);
38 
43  virtual madara::knowledge::KnowledgeRecord item(void) const;
44 
50  virtual madara::knowledge::KnowledgeRecord prune(bool& can_change);
51 
59 
64  virtual void accept(Visitor& visitor) const;
65 };
66 }
67 }
68 
69 #endif // _MADARA_NO_KARL_
70 
71 #endif /* _MADARA_COMPOSITE_CONST_ARRAY_H_ */
A composite node that contains an array of values.
virtual void accept(Visitor &visitor) const
Accepts a visitor subclassed from the Visitor class.
virtual madara::knowledge::KnowledgeRecord evaluate(const madara::knowledge::KnowledgeUpdateSettings &settings)
Evaluates the expression tree.
CompositeConstArray(logger::Logger &logger, const ComponentNodes &nodes)
Constructor.
virtual madara::knowledge::KnowledgeRecord prune(bool &can_change)
Prunes the expression tree of unnecessary nodes.
virtual madara::knowledge::KnowledgeRecord item(void) const
Returns the printable character of the node.
Abstract base class for all visitors to all classes that derive from ComponentNode.
Definition: Visitor.h:93
This class encapsulates an entry in a KnowledgeBase.
Settings for applying knowledge updates.
A multi-threaded logger for logging to one or more destinations.
Definition: Logger.h:165
std::deque< ComponentNode * > ComponentNodes
a vector of Component Nodes
Provides knowledge logging services to files and terminals.
Definition: GlobalLogger.h:12
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