64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
/*
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* ValueSetAction.hpp
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*
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* Created on: 6 июл. 2020 г.
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* Author: LeonidTitov
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*/
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#ifndef UMLIBRARY_SCHEMATIC_ACTION_VALUESETACTION_HPP_
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#define UMLIBRARY_SCHEMATIC_ACTION_VALUESETACTION_HPP_
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#include "../../systemic/IFunctor.hh"
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#include "../../systemic/IValueAsync.hpp"
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namespace schematic { namespace functor {
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template<typename ValueType>
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class ValueSetAction : public systemic::IValueType<ValueType> {
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typedef systemic::IValueType<ValueType> Value;
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typedef systemic::IFunctor<void> Action;
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Value & value;
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Action & action;
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public:
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enum ActionSequence {
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Before,
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After
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};
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const ActionSequence sequence;
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void set( ValueType );
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ValueType get() const;
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ValueSetAction( Value & value, Action & action, ActionSequence sequence ) : value(value), action(action), sequence(sequence) {}
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};
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}}
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template<typename ValueType>
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inline void schematic::functor::ValueSetAction<ValueType>::set( ValueType new_value ) {
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if( sequence == Before )
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action();
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value.set(new_value);
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if( sequence == After )
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action();
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}
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template<typename ValueType>
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inline ValueType schematic::functor::ValueSetAction<ValueType>::get() const {
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return value.get();
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}
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#endif /* UMLIBRARY_SCHEMATIC_ACTION_VALUESETACTION_HPP_ */
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