mirror of
https://github.com/ClickHouse/ClickHouse.git
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b79ead9c84
* Replicate poco into base/poco/ * De-register poco submodule * Build poco from ClickHouse * Exclude poco from stylecheck * Exclude poco from whitespace check * Exclude poco from typo check * Remove x bit from sources/headers (the style check complained) * Exclude poco from duplicate include check * Fix fasttest * Remove contrib/poco-cmake/* * Simplify poco build descriptions * Remove poco stuff not used by ClickHouse * Glob poco sources * Exclude poco from clang-tidy
110 lines
1.9 KiB
C++
110 lines
1.9 KiB
C++
//
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// NotificationCenter.cpp
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//
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// Library: Foundation
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// Package: Notifications
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// Module: NotificationCenter
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/NotificationCenter.h"
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#include "Poco/Notification.h"
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#include "Poco/Observer.h"
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#include "Poco/AutoPtr.h"
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#include "Poco/SingletonHolder.h"
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namespace Poco {
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NotificationCenter::NotificationCenter()
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{
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}
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NotificationCenter::~NotificationCenter()
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{
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}
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void NotificationCenter::addObserver(const AbstractObserver& observer)
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{
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Mutex::ScopedLock lock(_mutex);
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_observers.push_back(observer.clone());
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}
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void NotificationCenter::removeObserver(const AbstractObserver& observer)
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{
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Mutex::ScopedLock lock(_mutex);
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for (ObserverList::iterator it = _observers.begin(); it != _observers.end(); ++it)
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{
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if (observer.equals(**it))
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{
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(*it)->disable();
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_observers.erase(it);
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return;
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}
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}
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}
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bool NotificationCenter::hasObserver(const AbstractObserver& observer) const
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{
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Mutex::ScopedLock lock(_mutex);
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for (ObserverList::const_iterator it = _observers.begin(); it != _observers.end(); ++it)
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if (observer.equals(**it)) return true;
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return false;
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}
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void NotificationCenter::postNotification(Notification::Ptr pNotification)
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{
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poco_check_ptr (pNotification);
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ScopedLockWithUnlock<Mutex> lock(_mutex);
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ObserverList observersToNotify(_observers);
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lock.unlock();
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for (ObserverList::iterator it = observersToNotify.begin(); it != observersToNotify.end(); ++it)
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{
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(*it)->notify(pNotification);
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}
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}
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bool NotificationCenter::hasObservers() const
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{
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Mutex::ScopedLock lock(_mutex);
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return !_observers.empty();
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}
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std::size_t NotificationCenter::countObservers() const
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{
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Mutex::ScopedLock lock(_mutex);
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return _observers.size();
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}
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namespace
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{
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static SingletonHolder<NotificationCenter> sh;
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}
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NotificationCenter& NotificationCenter::defaultCenter()
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{
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return *sh.get();
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}
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} // namespace Poco
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