SimpleMapModuleState.h

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/*
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   The MIT License

   Copyright (c) 2012 Scientific Computing and Imaging Institute,
   University of Utah.

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/// @todo Documentation Dataflow/State/SimpleModuleState.h
#ifndef DATAFLOW_STATE_SIMPLEMAPMODULESTATE_H
#define DATAFLOW_STATE_SIMPLEMAPMODULESTATE_H

#include <map>
#include <Dataflow/Network/ModuleStateInterface.h>
#include <Dataflow/State/share.h>

namespace SCIRun {
namespace Dataflow {
namespace State {
  
  class SCISHARE SimpleMapModuleState : public SCIRun::Dataflow::Networks::ModuleStateInterface
  {
  public:
    SimpleMapModuleState();
    SimpleMapModuleState(const SimpleMapModuleState& rhs);
    SimpleMapModuleState& operator=(const SimpleMapModuleState& rhs);
    virtual const Value getValue(const Name& name) const;
    virtual void setValue(const Name& name, const SCIRun::Core::Algorithms::AlgorithmParameter::Value& value);
    virtual bool containsKey(const Name& name) const;
    virtual Keys getKeys() const;
    virtual SCIRun::Dataflow::Networks::ModuleStateHandle clone() const;
    virtual boost::signals2::connection connect_state_changed(state_changed_sig_t::slot_function_type subscriber);

    virtual TransientValueOption getTransientValue(const std::string& name) const;
    virtual void setTransientValue(const std::string& name, const TransientValue& value, bool fireSignal);
    virtual void fireTransientStateChangeSignal();

  protected:
    typedef std::map<Name, Value> StateMap;
    StateMap stateMap_;
    typedef std::map<std::string, TransientValue> TransientStateMap;
    TransientStateMap transientStateMap_;
    state_changed_sig_t stateChangedSignal_;
  };

  class SCISHARE SimpleMapModuleStateFactory : public SCIRun::Dataflow::Networks::ModuleStateInterfaceFactory
  {
  public:
    virtual SCIRun::Dataflow::Networks::ModuleStateInterface* make_state(const std::string& name) const;
  };

}}}

#endif