DriftRep.cpp

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//
// Class DriftRep
//   Representation for a drift space.
//
// Copyright (c) 200x - 2020, Paul Scherrer Institut, Villigen PSI, Switzerland
// All rights reserved
//
// This file is part of OPAL.
//
// OPAL is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// You should have received a copy of the GNU General Public License
// along with OPAL. If not, see <https://www.gnu.org/licenses/>.
//
#include "BeamlineCore/DriftRep.h"
#include "Channels/IndirectChannel.h"
 
namespace {
    struct Entry {
        const char* name;
        double (DriftRep::*get)() const;
        void (DriftRep::*set)(double);
    };
 
    const Entry entries[] = {
            {"L", &DriftRep::getElementLength, &DriftRep::setElementLength}, {0, 0, 0}};
}  // namespace
 
DriftRep::DriftRep() : Drift(), geometry(0.0) {}
 
DriftRep::DriftRep(const DriftRep& right) : Drift(right), geometry(right.geometry) {}
 
DriftRep::DriftRep(const std::string& name) : Drift(name), geometry() {}
 
DriftRep::~DriftRep() {}
 
ElementBase* DriftRep::clone() const { return new DriftRep(*this); }
 
Channel* DriftRep::getChannel(const std::string& aKey, bool create) {
    for (const Entry* entry = entries; entry->name != 0; ++entry) {
        if (aKey == entry->name) {
            return new IndirectChannel<DriftRep>(*this, entry->get, entry->set);
        }
    }
 
    return ElementBase::getChannel(aKey, create);
}
 
NullField& DriftRep::getField() { return field; }
 
const NullField& DriftRep::getField() const { return field; }
 
StraightGeometry& DriftRep::getGeometry() { return geometry; }
 
const StraightGeometry& DriftRep::getGeometry() const { return geometry; }