Case.h

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// Copyright 2024-2026 Julien Lamy, ICube, Université de Strasbourg-CNRS.
// Part of msl, distributed under the terms of the MIT license.
 
#ifndef _c1c4f441_160f_46bf_869e_1bf9c199aa91
#define _c1c4f441_160f_46bf_869e_1bf9c199aa91
 
#include <unordered_map>
 
#include <MrMeasSrv/MeasUtils/NLSStatus.h>
#include <MrMeasSrv/SeqIF/Sequence/sequmsg.h>
 
#include <MrProtSrv/Domain/CoreNative/SeqLim.h>
#include <MrProtSrv/Domain/MrProtData/MrProt/MrProt.h>
#include <MrProtSrv/Domain/MrProtData/MrProt/SeqIF/SeqExpo.h>
#include <MrProtSrv/Domain/MrProtData/MrProt/SeqIF/SeqExpoRFBlockInfo.h>
 
#include "msl/Dictionary.h"
#include "msl/graph/AbstractNode.h"
#include "msl/graph/FlexibleFunction.h"
#include "msl/graph/Node.h"
#include "msl/helpers.h"
 
namespace msl
{
namespace graph
{

template<typename T>
class Case: public AbstractNode
{
public:
    using Map = std::unordered_map<T, AbstractNode::Pointer>;
    
    using Function = FlexibleFunction<T>;
    
    DECLARE_POINTERS(Case<T>);
    
    static Pointer New(
        std::string const & key, Map const & cases,
        Dictionary::Pointer registry={});
    
    static Pointer New(
        Function const & function, Map const & cases,
        Dictionary::Pointer registry={});
    
    NLSStatus prepare(
        MrProt & protocol, SeqLim & limits, SeqExpo & exports) override;
    
    NLSStatus run(
        MrProt & protocol, SeqLim & limits, SeqExpo & exports) override;
    
    void reset() override;
    
    Case & setRegistry(Dictionary::Pointer registry) override;
    
    uint64_t duration() const override;
    
    MrProtocolData::SeqExpoRFInfo rfInfo() const override;
    
private:
    enum class Mode { Key, Function };
    Mode _mode;
    std::string _key;
    Function _function;
    
    Map _cases;
    
    // Cache for duration and rfInfo, updated when _condition is called
    mutable uint64_t _duration;
    mutable MrProtocolData::SeqExpoRFInfo _rfInfo;
    
    Case(
        std::string const & key, Map const & cases,
        Dictionary::Pointer registry={});
    
    Case(
        Function const & function, Map const & cases,
        Dictionary::Pointer registry={});
    
    AbstractNode::ConstPointer _child(
        MrProt & protocol, SeqLim & limits, SeqExpo & exports) const;
    
    AbstractNode::Pointer _child(
        MrProt & protocol, SeqLim & limits, SeqExpo & exports);
};
 
}
}
 
#include "Case.txx"
 
#endif // _c1c4f441_160f_46bf_869e_1bf9c199aa91