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trunk: backport eventing from 1.4.3

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This commit is contained in:
Marian Krivos
2012-02-05 12:16:58 +00:00
parent 59fe68edbe
commit 7d7c02c579
412 changed files with 3564 additions and 3634 deletions
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141
Foundation/include/Poco/FIFOStrategy.h
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@@ -1,7 +1,7 @@
//
// FIFOStrategy.h
//
// $Id: //poco/svn/Foundation/include/Poco/FIFOStrategy.h#2 $
// $Id: //poco/1.4/Foundation/include/Poco/FIFOStrategy.h#3 $
//
// Library: Foundation
// Package: Events
@@ -9,7 +9,7 @@
//
// Implementation of the FIFOStrategy template.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// Copyright (c) 2006-2011, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
@@ -35,132 +35,47 @@
// DEALINGS IN THE SOFTWARE.
//
#ifndef Foundation_FIFOStrategy_INCLUDED
#define Foundation_FIFOStrategy_INCLUDED
#ifndef Foundation_FIFOStrategy_INCLUDED
#define Foundation_FIFOStrategy_INCLUDED
#include "Poco/NotificationStrategy.h"
#include <map>
#include <list>
#include <memory>
#include "Poco/DefaultStrategy.h"
namespace Poco {
template <class TArgs, class TDelegate, class TCompare>
class FIFOStrategy//: public NotificationStrategy<TArgs, TDelegate>
//@ deprecated
template <class TArgs, class TDelegate>
class FIFOStrategy: public DefaultStrategy<TArgs, TDelegate>
/// Note: As of release 1.4.2, DefaultStrategy already
/// implements FIFO behavior, so this class is provided
/// for backwards compatibility only.
{
public:
typedef std::list<TDelegate*> Delegates;
typedef typename Delegates::iterator Iterator;
typedef typename Delegates::const_iterator ConstIterator;
typedef std::map<TDelegate*, Iterator, TCompare> DelegateIndex;
typedef typename DelegateIndex::iterator IndexIterator;
typedef typename DelegateIndex::const_iterator ConstIndexIterator;
FIFOStrategy()
{
}
FIFOStrategy()
{
}
FIFOStrategy(const FIFOStrategy& s):
DefaultStrategy<TArgs, TDelegate>(s)
{
}
FIFOStrategy(const FIFOStrategy& s)
{
operator = (s);
}
~FIFOStrategy()
{
}
~FIFOStrategy()
{
clear();
}
void notify(const void* sender, TArgs& arguments)
{
std::vector<Iterator> delMe;
Iterator it = _observers.begin();
Iterator itEnd = _observers.end();
for (; it != itEnd; ++it)
{
if (!(*it)->notify(sender, arguments))
{
// schedule for deletion
delMe.push_back(it);
}
}
while (!delMe.empty())
{
typename std::vector<Iterator>::iterator vit = delMe.end();
--vit;
delete **vit;
_observers.erase(*vit);
delMe.pop_back();
}
}
void add(const TDelegate& delegate)
{
IndexIterator it = _observerIndex.find(const_cast<TDelegate*>(&delegate));
if (it != _observerIndex.end())
{
delete *it->second;
_observers.erase(it->second);
_observerIndex.erase(it);
}
std::auto_ptr<TDelegate> pDelegate(delegate.clone());
_observers.push_back(pDelegate.get());
bool tmp = _observerIndex.insert(make_pair(pDelegate.get(), --_observers.end())).second;
poco_assert (tmp);
pDelegate.release();
}
void remove(const TDelegate& delegate)
{
IndexIterator it = _observerIndex.find(const_cast<TDelegate*>(&delegate));
if (it != _observerIndex.end())
{
delete *it->second;
_observers.erase(it->second);
_observerIndex.erase(it);
}
}
FIFOStrategy& operator = (const FIFOStrategy& s)
{
if (this != &s)
{
for (ConstIterator it = s._observers.begin(); it != s._observers.end(); ++it)
{
add(**it);
}
}
return *this;
}
void clear()
{
for (Iterator it = _observers.begin(); it != _observers.end(); ++it)
{
delete *it;
}
_observers.clear();
_observerIndex.clear();
}
bool empty() const
{
return _observers.empty();
}
protected:
Delegates _observers; /// Stores the delegates in the order they were added.
DelegateIndex _observerIndex; /// For faster lookup when add/remove is used.
FIFOStrategy& operator = (const FIFOStrategy& s)
{
DefaultStrategy<TArgs, TDelegate>::operator = (s);
return *this;
}
};
} // namespace Poco
#endif
#endif // Foundation_FIFOStrategy_INCLUDED