<!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::AbstractBinding</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 AbstractBinding</h1> </div> <div class="body"> <p> <b>Library:</b> Data<br /> <b>Package:</b> DataCore<br /> <b>Header:</b> Poco/Data/AbstractBinding.h</p> <h2>Description</h2> <div class="description"> <p><a href="Poco.Data.AbstractBinding.html" title="class Poco::Data::AbstractBinding">AbstractBinding</a> connects a value with a placeholder via an <a href="Poco.Data.AbstractBinder.html" title="class Poco::Data::AbstractBinder">AbstractBinder</a> interface. </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.Binding.html" title="class Poco::Data::Binding">Binding</a></p> <h2>Member Summary</h2> <p><b>Member Functions: </b><a href="Poco.Data.AbstractBinding.html#2127" title="Poco::Data::AbstractBinding::bind()">bind</a>, <a href="Poco.Data.AbstractBinding.html#2126" title="Poco::Data::AbstractBinding::canBind()">canBind</a>, <a href="Poco.Data.AbstractBinding.html#2123" title="Poco::Data::AbstractBinding::getBinder()">getBinder</a>, <a href="Poco.Data.AbstractBinding.html#2124" title="Poco::Data::AbstractBinding::numOfColumnsHandled()">numOfColumnsHandled</a>, <a href="Poco.Data.AbstractBinding.html#2125" title="Poco::Data::AbstractBinding::numOfRowsHandled()">numOfRowsHandled</a>, <a href="Poco.Data.AbstractBinding.html#2129" title="Poco::Data::AbstractBinding::reset()">reset</a>, <a href="Poco.Data.AbstractBinding.html#2121" title="Poco::Data::AbstractBinding::setBinder()">setBinder</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="2119">AbstractBinding</a></h3> <p class="decl"><a href="Poco.Data.AbstractBinding.html" title="class Poco::Data::AbstractBinding">AbstractBinding</a>();</p> <div class="description"> <p>Creates the <a href="Poco.Data.AbstractBinding.html" title="class Poco::Data::AbstractBinding">AbstractBinding</a>. </p> </div> <h2>Destructor</h2> <h3><a name="2120">~AbstractBinding</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.AbstractBinding.html" title="class Poco::Data::AbstractBinding">AbstractBinding</a>();</p> <div class="description"> <p>Destroys the <a href="Poco.Data.AbstractBinding.html" title="class Poco::Data::AbstractBinding">AbstractBinding</a>. </p> </div> <h2>Member Functions</h2> <h3><a name="2127">bind</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void bind(<br /> std::size_t pos<br />) = 0;</p> <div class="description"> <p>Binds a value to the given column position </p> </div> <h3><a name="2126">canBind</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual bool canBind() const = 0;</p> <div class="description"> <p>Returns true if we have enough data to bind </p> </div> <h3><a name="2123">getBinder</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl"><a href="Poco.Data.AbstractBinder.html" title="class Poco::Data::AbstractBinder">AbstractBinder</a> * getBinder() const;</p> <div class="description"> <p>Returns the <a href="Poco.Data.AbstractBinder.html" title="class Poco::Data::AbstractBinder">AbstractBinder</a> used for binding data. </p> </div> <h3><a name="2124">numOfColumnsHandled</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual std::size_t numOfColumnsHandled() const = 0;</p> <div class="description"> <p>Returns the number of columns that the binding handles. </p> <p>The trivial case will be one single column but when complex types are used this value can be larger than one. </p> </div> <h3><a name="2125">numOfRowsHandled</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual std::size_t numOfRowsHandled() const = 0;</p> <div class="description"> <p>Returns the number of rows that the binding handles. </p> <p>The trivial case will be one single row but for collection data types (ie vector) it can be larger. </p> </div> <h3><a name="2129">reset</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void reset() = 0;</p> <div class="description"> <p>Allows a binding to be reused. </p> </div> <h3><a name="2121">setBinder</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">void setBinder(<br /> <a href="Poco.Data.AbstractBinder.html" title="class Poco::Data::AbstractBinder">AbstractBinder</a> * pBinder<br />);</p> <div class="description"> <p>Sets the object used for binding; object does NOT take ownership of the pointer. </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>
