<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Class Poco::Data::SessionImpl</title> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <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"/> <meta name="language" content="en"/> <meta name="date" content="2009-11-24"/> <meta name="generator" content="PocoDoc"/> <link rel="stylesheet" href="css/styles.css" type="text/css"/> </head> <body bgcolor="#ffffff" leftmargin="0" topmargin="0"> <div class="header"> <h1 class="namespace"><a href="Poco.Data.html" class="namespace">Poco::Data</a></h1> <h1 class="symbol">class SessionImpl</h1> </div> <div class="body"> <p> <b>Library:</b> Data<br /> <b>Package:</b> DataCore<br /> <b>Header:</b> Poco/Data/SessionImpl.h</p> <h2>Description</h2> <div class="description"> <p>Interface for <a href="Poco.Data.Session.html" title="class Poco::Data::Session">Session</a> functionality that subclasses must extend. <a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a> objects are noncopyable. </p> </div> <h2>Inheritance</h2> <p><b>Direct Base Classes: </b><a href="Poco.RefCountedObject.html" title="class Poco::RefCountedObject">Poco::RefCountedObject</a></p> <p><b>All Base Classes: </b><a href="Poco.RefCountedObject.html" title="class Poco::RefCountedObject">Poco::RefCountedObject</a></p> <p><b>Known Derived Classes: </b><a href="Poco.Data.AbstractSessionImpl.html" title="class Poco::Data::AbstractSessionImpl">AbstractSessionImpl</a>, <a href="Poco.Data.PooledSessionImpl.html" title="class Poco::Data::PooledSessionImpl">PooledSessionImpl</a></p> <h2>Member Summary</h2> <p><b>Member Functions: </b><a href="Poco.Data.SessionImpl.html#2960" title="Poco::Data::SessionImpl::begin()">begin</a>, <a href="Poco.Data.SessionImpl.html#2963" title="Poco::Data::SessionImpl::close()">close</a>, <a href="Poco.Data.SessionImpl.html#2961" title="Poco::Data::SessionImpl::commit()">commit</a>, <a href="Poco.Data.SessionImpl.html#2959" title="Poco::Data::SessionImpl::createStatementImpl()">createStatementImpl</a>, <a href="Poco.Data.SessionImpl.html#2969" title="Poco::Data::SessionImpl::getFeature()">getFeature</a>, <a href="Poco.Data.SessionImpl.html#2974" title="Poco::Data::SessionImpl::getProperty()">getProperty</a>, <a href="Poco.Data.SessionImpl.html#2964" title="Poco::Data::SessionImpl::isConnected()">isConnected</a>, <a href="Poco.Data.SessionImpl.html#2965" title="Poco::Data::SessionImpl::isTransaction()">isTransaction</a>, <a href="Poco.Data.SessionImpl.html#2962" title="Poco::Data::SessionImpl::rollback()">rollback</a>, <a href="Poco.Data.SessionImpl.html#2966" title="Poco::Data::SessionImpl::setFeature()">setFeature</a>, <a href="Poco.Data.SessionImpl.html#2971" title="Poco::Data::SessionImpl::setProperty()">setProperty</a></p> <p><b>Inherited Functions: </b><a href="Poco.RefCountedObject.html#9659" title="Poco::RefCountedObject::duplicate()">duplicate</a>, <a href="Poco.RefCountedObject.html#9661" title="Poco::RefCountedObject::referenceCount()">referenceCount</a>, <a href="Poco.RefCountedObject.html#9660" title="Poco::RefCountedObject::release()">release</a></p> <h2>Constructors</h2> <h3><a name="2957">SessionImpl</a></h3> <p class="decl"><a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a>();</p> <div class="description"> <p>Creates the <a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a>. </p> </div> <h2>Destructor</h2> <h3><a name="2958">~SessionImpl</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual ~<a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a>();</p> <div class="description"> <p>Destroys the <a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a>. </p> </div> <h2>Member Functions</h2> <h3><a name="2960">begin</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void begin() = 0;</p> <div class="description"> <p>Starts a transaction. </p> </div> <h3><a name="2963">close</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void close() = 0;</p> <div class="description"> <p>Closes the connection. </p> </div> <h3><a name="2961">commit</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void commit() = 0;</p> <div class="description"> <p>Commits and ends a transaction. </p> </div> <h3><a name="2959">createStatementImpl</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual <a href="Poco.Data.StatementImpl.html" title="class Poco::Data::StatementImpl">StatementImpl</a> * createStatementImpl() = 0;</p> <div class="description"> <p>Creates a <a href="Poco.Data.StatementImpl.html" title="class Poco::Data::StatementImpl">StatementImpl</a>. </p> </div> <h3><a name="2969">getFeature</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual bool getFeature(<br /> const std::string & name<br />) = 0;</p> <div class="description"> <p>Look up the state of a feature. </p> <p>Features are a generic extension mechanism for session implementations. and are defined by the underlying <a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a> instance. </p> <p>Throws a <a href="Poco.Data.NotSupportedException.html" title="class Poco::Data::NotSupportedException">NotSupportedException</a> if the requested feature is not supported by the underlying implementation. </p> </div> <h3><a name="2974">getProperty</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual <a href="Poco.Any.html" title="class Poco::Any">Poco::Any</a> getProperty(<br /> const std::string & name<br />) = 0;</p> <div class="description"> <p>Look up the value of a property. </p> <p>Properties are a generic extension mechanism for session implementations. and are defined by the underlying <a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a> instance. </p> <p>Throws a <a href="Poco.Data.NotSupportedException.html" title="class Poco::Data::NotSupportedException">NotSupportedException</a> if the requested property is not supported by the underlying implementation. </p> </div> <h3><a name="2964">isConnected</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual bool isConnected() = 0;</p> <div class="description"> <p>Returns true if and only if session is connected, false otherwise. </p> </div> <h3><a name="2965">isTransaction</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual bool isTransaction() = 0;</p> <div class="description"> <p>Returns true if and only if a transaction is a transaction is in progress, false otherwise. </p> </div> <h3><a name="2962">rollback</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void rollback() = 0;</p> <div class="description"> <p>Aborts a transaction. </p> </div> <h3><a name="2966">setFeature</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void setFeature(<br /> const std::string & name,<br /> bool state<br />) = 0;</p> <div class="description"> <p>Set the state of a feature. </p> <p>Features are a generic extension mechanism for session implementations. and are defined by the underlying <a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a> instance. </p> <p>Throws a <a href="Poco.Data.NotSupportedException.html" title="class Poco::Data::NotSupportedException">NotSupportedException</a> if the requested feature is not supported by the underlying implementation. </p> </div> <h3><a name="2971">setProperty</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void setProperty(<br /> const std::string & name,<br /> const <a href="Poco.Any.html" title="class Poco::Any">Poco::Any</a> & value<br />) = 0;</p> <div class="description"> <p>Set the value of a property. </p> <p>Properties are a generic extension mechanism for session implementations. and are defined by the underlying <a href="Poco.Data.SessionImpl.html" title="class Poco::Data::SessionImpl">SessionImpl</a> instance. </p> <p>Throws a <a href="Poco.Data.NotSupportedException.html" title="class Poco::Data::NotSupportedException">NotSupportedException</a> if the requested property is not supported by the underlying implementation. </p> </div> <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> </div> </body> </html>
