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https://github.com/pocoproject/poco.git
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set eol-style to native
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Guenter Obiltschnig
@@ -1,154 +1,154 @@
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//
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// DefaultStrategy.h
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//
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// $Id: //poco/1.2/Foundation/include/Poco/DefaultStrategy.h#1 $
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//
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// Library: Foundation
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// Package: Events
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// Module: DefaultStrategy
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//
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// Implementation of the DefaultStrategy template.
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Foundation_DefaultStrategy_INCLUDED
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#define Foundation_DefaultStrategy_INCLUDED
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#include "Poco/NotificationStrategy.h"
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#include <memory>
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#include <set>
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#include <vector>
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namespace Poco {
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template <class TArgs, class TDelegate, class TCompare>
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class DefaultStrategy: public NotificationStrategy<TArgs, TDelegate>
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/// Default notification strategy. Allows one observer
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/// to register exactly once. The observer must provide an
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/// < (less-than) operator.
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{
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public:
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typedef std::set<TDelegate*, TCompare> Delegates;
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typedef typename Delegates::iterator Iterator;
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typedef typename Delegates::const_iterator ConstIterator;
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public:
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DefaultStrategy()
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{
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}
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DefaultStrategy(const DefaultStrategy& s)
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{
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operator = (s);
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}
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~DefaultStrategy()
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{
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clear();
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}
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void notify(const void* sender, TArgs& arguments)
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{
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std::vector<Iterator> delMe;
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for (Iterator it = _observers.begin(); it != _observers.end(); it++)
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{
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if (!(*it)->notify(sender, arguments))
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{
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// schedule for deletion
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delMe.push_back(it);
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}
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}
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while (!delMe.empty())
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{
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typename std::vector<Iterator>::iterator vit = delMe.end();
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--vit;
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delete **vit;
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_observers.erase(*vit);
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delMe.pop_back();
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}
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}
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void add(const TDelegate& delegate)
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{
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Iterator it = _observers.find(const_cast<TDelegate*>(&delegate));
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if (it != _observers.end())
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{
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delete *it;
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_observers.erase(it);
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}
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std::auto_ptr<TDelegate> pDelegate(delegate.clone());
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bool tmp = _observers.insert(pDelegate.get()).second;
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poco_assert (tmp);
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pDelegate.release();
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}
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void remove(const TDelegate& delegate)
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{
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Iterator it = _observers.find(const_cast<TDelegate*>(&delegate));
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if (it != _observers.end())
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{
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delete *it;
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_observers.erase(it);
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}
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}
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DefaultStrategy& operator = (const DefaultStrategy& s)
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{
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if (this != &s)
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{
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for (ConstIterator it = s._observers.begin(); it != s._observers.end(); ++it)
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{
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add(**it);
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}
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}
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return *this;
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}
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void clear()
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{
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for (Iterator it = _observers.begin(); it != _observers.end(); ++it)
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{
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delete *it;
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}
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_observers.clear();
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}
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protected:
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Delegates _observers;
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};
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} // namespace Poco
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#endif
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//
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// DefaultStrategy.h
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//
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// $Id: //poco/1.2/Foundation/include/Poco/DefaultStrategy.h#1 $
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//
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// Library: Foundation
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// Package: Events
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// Module: DefaultStrategy
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//
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// Implementation of the DefaultStrategy template.
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Foundation_DefaultStrategy_INCLUDED
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#define Foundation_DefaultStrategy_INCLUDED
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#include "Poco/NotificationStrategy.h"
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#include <memory>
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#include <set>
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#include <vector>
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namespace Poco {
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template <class TArgs, class TDelegate, class TCompare>
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class DefaultStrategy: public NotificationStrategy<TArgs, TDelegate>
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/// Default notification strategy. Allows one observer
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/// to register exactly once. The observer must provide an
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/// < (less-than) operator.
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{
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public:
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typedef std::set<TDelegate*, TCompare> Delegates;
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typedef typename Delegates::iterator Iterator;
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typedef typename Delegates::const_iterator ConstIterator;
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public:
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DefaultStrategy()
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{
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}
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DefaultStrategy(const DefaultStrategy& s)
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{
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operator = (s);
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}
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~DefaultStrategy()
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{
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clear();
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}
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void notify(const void* sender, TArgs& arguments)
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{
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std::vector<Iterator> delMe;
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for (Iterator it = _observers.begin(); it != _observers.end(); it++)
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{
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if (!(*it)->notify(sender, arguments))
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{
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// schedule for deletion
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delMe.push_back(it);
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}
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}
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while (!delMe.empty())
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{
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typename std::vector<Iterator>::iterator vit = delMe.end();
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--vit;
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delete **vit;
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_observers.erase(*vit);
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delMe.pop_back();
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}
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}
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void add(const TDelegate& delegate)
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{
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Iterator it = _observers.find(const_cast<TDelegate*>(&delegate));
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if (it != _observers.end())
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{
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delete *it;
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_observers.erase(it);
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}
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std::auto_ptr<TDelegate> pDelegate(delegate.clone());
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bool tmp = _observers.insert(pDelegate.get()).second;
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poco_assert (tmp);
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pDelegate.release();
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}
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void remove(const TDelegate& delegate)
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{
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Iterator it = _observers.find(const_cast<TDelegate*>(&delegate));
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if (it != _observers.end())
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{
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delete *it;
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_observers.erase(it);
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}
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}
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DefaultStrategy& operator = (const DefaultStrategy& s)
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{
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if (this != &s)
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{
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for (ConstIterator it = s._observers.begin(); it != s._observers.end(); ++it)
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{
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add(**it);
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}
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}
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return *this;
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}
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void clear()
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{
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for (Iterator it = _observers.begin(); it != _observers.end(); ++it)
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{
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delete *it;
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}
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_observers.clear();
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}
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protected:
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Delegates _observers;
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};
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} // namespace Poco
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#endif
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