MergedVariable.h

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#ifndef _OCRA_MERGED_VARIABLE_H_
#define _OCRA_MERGED_VARIABLE_H_

#include "ocra/optim/Variable.h"

#include <string>
#include <map>

namespace ocra
{
  class VariableMapping;
}

namespace ocra
{
  class MergedVariable
    : public ObserverSubject
  {
  public:
    MergedVariable(const std::string& name);
    ~MergedVariable();

    void insert(Variable* var);
    void remove(Variable* var);
    VariableMapping* find(Variable* var) const;

    CompositeVariable& getVariable();
    void setValue(const VectorXd& val) const;
    void recomputeVariable() const;
    bool isVariableUpToDate() const;

  private:
    void invalidateVariable();
    void invalidateVariable(int timestamp);

  private:
    typedef std::map<Variable*, std::pair<int, VariableMapping*> > map_t;

    map_t _varToMapping;
    mutable CompositeVariable _base;
    mutable bool _isVariableUpToDate;
  };
}

#endif

// cmake:sourcegroup=Variable