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/*
Author: Scott Kuehn, Shane Neph
Date: Tue Aug 28 15:31:19 PDT 2007
*/
//
// BEDOPS
// Copyright (C) 2011-2022 Shane Neph, Scott Kuehn and Alex Reynolds
//
// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#include <map>
#include <string>
namespace Ext {
template <
typename ObjType,
typename IdentifierType,
typename ObjCreator
>
struct Factory {
ObjType* create(const IdentifierType& id) {
typename CallbackRegistry::const_iterator cbi = registry_.find(id);
return (cbi != registry_.end()) ? cbi->second : 0;
}
bool registration(const IdentifierType& id, ObjCreator createFunc) {
return registry_.insert(std::make_pair(id, createFunc)).second;
}
bool cancelation(const IdentifierType& id) {
return registry_.erase(id) == 1;
}
bool isRegistered(const IdentifierType& id) {
return registry_.count(id) == 1;
}
protected:
typedef std::map< IdentifierType, ObjCreator > CallbackRegistry;
CallbackRegistry registry_;
};
} // namespace Ext
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