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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Class Poco::NotificationStrategy</title>
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<meta name="author" content="Applied Informatics Software Engineering GmbH and Contributors"/>
<meta name="publisher" content="Applied Informatics Software Engineering GmbH and Contributors"/>
<meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/>
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<meta name="date" content="2009-11-24"/>
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<div class="header">
<h1 class="namespace"><a href="Poco.html" class="namespace">Poco</a></h1>
<h1 class="template">template < class TArgs, class TDelegate ></h1>
<h1 class="symbol">class NotificationStrategy</h1>
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<p>
<b>Library:</b> Foundation<br />
<b>Package:</b> Events<br />
<b>Header:</b> Poco/NotificationStrategy.h</p>
<h2>Description</h2>
<div class="description">
<p>The interface that all notification strategies must implement. </p>
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<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.NotificationStrategy.html#8840" title="Poco::NotificationStrategy::add()">add</a>, <a href="Poco.NotificationStrategy.html#8844" title="Poco::NotificationStrategy::clear()">clear</a>, <a href="Poco.NotificationStrategy.html#8845" title="Poco::NotificationStrategy::empty()">empty</a>, <a href="Poco.NotificationStrategy.html#8837" title="Poco::NotificationStrategy::notify()">notify</a>, <a href="Poco.NotificationStrategy.html#8842" title="Poco::NotificationStrategy::remove()">remove</a></p>
<h2>Constructors</h2>
<h3><a name="8835">NotificationStrategy</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.NotificationStrategy.html" title="class Poco::NotificationStrategy">NotificationStrategy</a>();</p>
<div class="description">
<p></p>
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<h2>Destructor</h2>
<h3><a name="8836">~NotificationStrategy</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual ~<a href="Poco.NotificationStrategy.html" title="class Poco::NotificationStrategy">NotificationStrategy</a>();</p>
<div class="description">
<p></p>
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<h2>Member Functions</h2>
<h3><a name="8840">add</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual void add(<br /> const TDelegate & pDelegate<br />) = 0;</p>
<div class="description">
<p>Adds a delegate to the strategy, if the delegate is not yet present </p>
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<h3><a name="8844">clear</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual void clear() = 0;</p>
<div class="description">
<p>Removes all delegates from the strategy. </p>
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<h3><a name="8845">empty</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual bool empty() const = 0;</p>
<div class="description">
<p>Returns false if the strategy contains at least one delegate. </p>
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<h3><a name="8837">notify</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual void notify(<br /> const void * sender,<br /> TArgs & arguments<br />) = 0;</p>
<div class="description">
<p>Sends a notification to all registered delegates, </p>
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<h3><a name="8842">remove</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual void remove(<br /> const TDelegate & pDelegate<br />) = 0;</p>
<div class="description">
<p>Removes a delegate from the strategy if found. </p>
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<p class="footer">POCO C++ Libraries 1.3.6-all<br />
Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p>
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