ExactTerminalNodePolicy.h

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#ifndef GUM_MULTI_DIM_FUNCTION_GRAPH_EXACT_TERMINAL_NODE_POLICY_H
#define GUM_MULTI_DIM_FUNCTION_GRAPH_EXACT_TERMINAL_NODE_POLICY_H
 
#include <agrum/base/core/bijection.h>
#include <agrum/base/multidim/utils/FunctionGraphUtilities/terminalNodePolicies/ITerminalNodePolicy.h>
 
namespace gum {
 
  // clang-format off
  // clang-format on
 
  template < typename GUM_SCALAR >
  class ExactTerminalNodePolicy: public ITerminalNodePolicy< GUM_SCALAR > {
    public:
    // ============================================================================
    // ============================================================================

    void addTerminalNode(const NodeId& n, const GUM_SCALAR& v) { _map_.insert(n, v); }

    void eraseTerminalNode(const NodeId& n) { _map_.eraseFirst(n); }

    void clearAllTerminalNodes() { _map_.clear(); }

    // ============================================================================
    // ============================================================================

    bool existsTerminalNodeWithId(const NodeId& n) const { return _map_.existsFirst(n); }

    bool existsTerminalNodeWithValue(const GUM_SCALAR& v) const { return _map_.existsSecond(v); }

    // ============================================================================
    // ============================================================================

    const GUM_SCALAR& terminalNodeValue(const NodeId& n) const { return _map_.second(n); }

    const NodeId& terminalNodeId(const GUM_SCALAR& v) const { return _map_.first(v); }

    // ============================================================================
    // ============================================================================

    void beginValues() const { _mappy_ = _map_.beginSafe(); }

    bool hasValue() const { return _mappy_ != _map_.endSafe(); }

    void nextValue() const { ++_mappy_; }

    const GUM_SCALAR& value() const { return _mappy_.second(); }

    const NodeId& id() const { return _mappy_.first(); }

 
    private:
    Bijection< NodeId, GUM_SCALAR >                     _map_;
    mutable BijectionIteratorSafe< NodeId, GUM_SCALAR > _mappy_;
  };
 
}   // End of namespace gum
 
#endif /* GUM_MULTI_DIM_FUNCTION_GRAPH_EXACT_TERMINAL_NODE_POLICY_H */