DecisionTree.h

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#ifndef __DECISION_TREE_H__
#define __DECISION_TREE_H__


// System
#include <string>
#include <list>

// Designators
#include <designators/CKeyValuePair.h>

// Private
#include <Property.h>
#include <UtilityBase.h>
#include <JSON.h>


namespace beliefstate {
  class DecisionTree : public UtilityBase {
  private:
    JSON* m_jsnDecisionTree;
    
  protected:
    Property* evaluate(Property* prTree, CKeyValuePair* ckvpFeatures);
    void init(std::string strMessagePrefix = "", std::string strFile = "");
    void missingFeature(std::string strOperator, std::string strFeatureName);
    void missingOperand(std::string strOperator);
    
  public:
    DecisionTree();
    DecisionTree(std::string strFile);
    ~DecisionTree();
    
    bool load(std::string strFile);
    
    bool relationSatisfied(Property* prRelation, CKeyValuePair* ckvpFeatures);
    Property* evaluate(CKeyValuePair* ckvpFeatures);
    vector<CKeyValuePair*> invert(Property* prTargetResult, CKeyValuePair* ckvpFeatures);
    std::vector<Property*> findBranchesWithResult(Property* prTargetResult, Property* prStart = NULL);
    std::vector< std::vector<Property*> > straightenResultBranches(std::vector<Property*> vecSolutionBranches);
    std::vector<Property*> straightenResultBranch(Property* prSolutionBranch);
  };
}


#endif /* __DECISION_TREE_H__ */