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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>EOAttribute <strong>Class</strong></title>
</head>
<body>
<font face="serif">
<a href="EOAccess.html">Up</a>
<br />
<h1><a name="title$EOAttribute">EOAttribute <strong>Class</strong></a></h1>
<h3>Authors</h3>
<dl>
<dt>Mirko Viviani (<a href="mailto:mirko.viviani@gmail.com"><code>mirko.viviani@gmail.com</code></a>)</dt>
<dd>
</dd>
<dt>Manuel Guesdon (<a href="mailto:mguesdon@orange-concept.com"><code>mguesdon@orange-concept.com</code></a>)</dt>
<dd>
</dd>
</dl>
<p><b>Version:</b> 26597</p>
<p><b>Date:</b> 2008-06-06 11:26:14 +0200 (Fre, 06. Jun 2008)</p>
<blockquote>
</blockquote>
<p><b>Copyright:</b> (C)
2000-2002,2003,2004,2005 Free Software
Foundation, Inc.
</p>
<div>
<hr width="50%" align="left" />
<h3>Contents -</h3>
<ol>
<li>
<a href="#001000000000">Software documentation for the EOAttribute class</a>
</li>
<li>
<a href="#002000000000">Software documentation for the
EOAttribute(EOAttributeEditing)
category</a>
</li>
</ol>
<hr width="50%" align="left" />
</div>
<h1><a name="001000000000">
Software documentation for the EOAttribute class
</a></h1>
<h2><a name="class$EOAttribute">EOAttribute</a> : NSObject</h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>EOAccess/EOAttribute.h</dd>
</dl>
</blockquote>
<blockquote>
<dl>
<dt><b>Conforms to:</b></dt>
<dd><a rel="gsdoc" href="EOPropertyListEncoding.html#protocol$(EOPropertyListEncoding)">EOPropertyListEncoding</a></dd>
</dl>
</blockquote>
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="50%" align="left" />
<a href="#_EOAttribute_ivars">Instance Variables</a>
<br/><br/>
<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-_normalizeDefinition$path$">-_normalizeDefinition:path:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-setAllowsNull$">-setAllowsNull:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-setColumnName$">-setColumnName:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-setDefinition$">-setDefinition:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute+attributeWithPropertyList$owner$">+attributeWithPropertyList:owner:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-allowsNull">-allowsNull</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-columnName">-columnName</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-definition">-definition</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-docComment">-docComment</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-entity">-entity</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-externalType">-externalType</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-isDerived">-isDerived</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-isFlattened">-isFlattened</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-isKeyDefinedByPrototype$">-isKeyDefinedByPrototype:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-isReadOnly">-isReadOnly</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-name">-name</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-parameterDirection">-parameterDirection</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-parent">-parent</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-precision">-precision</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-prototype">-prototype</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-prototypeName">-prototypeName</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-readFormat">-readFormat</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-scale">-scale</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-storedProcedure">-storedProcedure</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-userInfo">-userInfo</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-valueClassName">-valueClassName</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-valueType">-valueType</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-width">-width</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute-writeFormat">-writeFormat</a></li>
</ul>
<hr width="50%" align="left" />
<div class="method">
<h3><a name="method$EOAttribute+attributeWithPropertyList$owner$">attributeWithPropertyList: owner: </a></h3>
+ (id) <b>attributeWithPropertyList:</b> (NSDictionary*)propertyList<b> owner:</b> (id)owner;<br />
<div class="desc">
returns an autoreleased attribute owned by onwer
and built from <var>propertyList</var>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-allowsNull">allowsNull </a></h3>
- (BOOL) <b>allowsNull</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-columnName">columnName </a></h3>
- (NSString*) <b>columnName</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-definition">definition </a></h3>
- (NSString*) <b>definition</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-docComment">docComment </a></h3>
- (NSString*) <b>docComment</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-entity">entity </a></h3>
- (<a rel="gsdoc" href="EOEntity.html#class$EOEntity">EOEntity</a>*) <b>entity</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-externalType">externalType </a></h3>
- (NSString*) <b>externalType</b>;<br />
<div class="desc">
</p>
<p>
Returns the adaptor specific name of
externalType. This is the name use during
SQL generation.
</p>
<p>
</p>
<p>
If the externalType has not been set explicitly and
the reciever
<a rel="gsdoc" href="#method$EOAttribute-isFlattened">
-isFlattened
</a>
, the valueClassName of the flattened attribute is
returned.
</p>
<p>
</p>
<p>
Otherwise, if the reciever has a prototype
then the externalType of the prototype is returned.
</p>
<p>
</p>
<p>
If all that fails, this method returns
<code>nil</code>.
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-isDerived">isDerived </a></h3>
- (BOOL) <b>isDerived</b>;<br />
<div class="desc">
Return <code>NO</code> when the attribute
corresponds to one SQL column in its entity
associated table return <code>YES</code>
otherwise. An attribute with a definition such
as "anotherAttributeName * 2" is derived. A Flattened
attribute is also a derived attributes.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-isFlattened">isFlattened </a></h3>
- (BOOL) <b>isFlattened</b>;<br />
<div class="desc">
Returns <code>YES</code> if the attribute is
flattened, <code>NO</code> otherwise. A
flattened attribute is an attribute with a
definition using a relationship to another
entity. A Flattened attribute is also a derived
attribute.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-isKeyDefinedByPrototype$">isKeyDefinedByPrototype: </a></h3>
- (BOOL) <b>isKeyDefinedByPrototype:</b> (NSString*)key;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-isReadOnly">isReadOnly </a></h3>
- (BOOL) <b>isReadOnly</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-name">name </a></h3>
- (NSString*) <b>name</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-parameterDirection">parameterDirection </a></h3>
- (EOParameterDirection) <b>parameterDirection</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-parent">parent </a></h3>
- (id) <b>parent</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-precision">precision </a></h3>
- (unsigned int) <b>precision</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-prototype">prototype </a></h3>
- (<a rel="gsdoc" href="#class$EOAttribute">EOAttribute</a>*) <b>prototype</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-prototypeName">prototypeName </a></h3>
- (NSString*) <b>prototypeName</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-readFormat">readFormat </a></h3>
- (NSString*) <b>readFormat</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-scale">scale </a></h3>
- (int) <b>scale</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-storedProcedure">storedProcedure </a></h3>
- (<a rel="gsdoc" href="EOStoredProcedure.html#class$EOStoredProcedure">EOStoredProcedure</a>*) <b>storedProcedure</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-userInfo">userInfo </a></h3>
- (NSDictionary*) <b>userInfo</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-valueClassName">valueClassName </a></h3>
- (NSString*) <b>valueClassName</b>;<br />
<div class="desc">
</p>
<p>
Returns the name of the class values of this
attribute are represented by. The standard
classes are NSNumber, NSString, NSData and NSDate
for the corresponding
-adaptorValueType
. A model can define more specific classes like
NSDecimalNumber, NSCalendarDate and
NSImage or custom classes which implement a
factory method specified by
[-valueFactoryMethodName]
to create instances with the data supplied by the data
source.
</p>
<p>
</p>
<p>
If the valueClassName has not been set explicitly and
the reciever
<a rel="gsdoc" href="#method$EOAttribute-isFlattened">
-isFlattened
</a>
, the valueClassName of the flattened attribute is
returned.
</p>
<p>
</p>
<p>
Otherwise, if the reciever has a prototype
then the valueClassName of the prototype is
returned.
</p>
<p>
</p>
<p>
If all that fails, this method returns
<code>nil</code>.
</p>
<p>
</p>
<p>
See also:[setValueClassName:]
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-valueType">valueType </a></h3>
- (NSString*) <b>valueType</b>;<br />
<div class="desc">
</p>
<p>
Returns a one character string identifiying the
underlying C type of an NSNumber
<a rel="gsdoc" href="#method$EOAttribute-valueType">
-valueType
</a>
. The legal values in GDL2 are:
</p>
<p>
<ul>
<li>
@"c": <strong>char</strong>
</li>
<li>
@"C": <strong>unsigned</strong>
<strong>char</strong>
</li>
<li>
@"s": <strong>short</strong>
</li>
<li>
@"S": <strong>unsigned</strong>
<strong>short</strong>
</li>
<li>
@"i": <strong>int</strong>
</li>
<li>
@"I": <strong>unsigned</strong>
<strong>int</strong>
</li>
<li>
@"l": <strong>long</strong>
</li>
<li>
@"L": <strong>unsigned</strong>
<strong>long</strong>
</li>
<li>
@"u": <strong>long</strong> <strong>long</strong>
</li>
<li>
@"U": <strong>unsigned</strong>
<strong>long</strong> <strong>long</strong>
</li>
<li>
@"f": <strong>float</strong>
</li>
<li>
@"d": <strong>double</strong>
</li>
</ul>
</p>
<p>
If the valueType has not been set explicitly and the
reciever
<a rel="gsdoc" href="#method$EOAttribute-isFlattened">
-isFlattened
</a>
, the valueClassName of the flattened attribute is
returned.
</p>
<p>
</p>
<p>
Otherwise, if the reciever has a prototype
then the valueType of the prototype is returned.
</p>
<p>
</p>
<p>
If all that fails, this method returns
<code>nil</code>.
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-width">width </a></h3>
- (unsigned int) <b>width</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute-writeFormat">writeFormat </a></h3>
- (NSString*) <b>writeFormat</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<a name="_EOAttribute_ivars"/> <br/><hr width="50%" align="left" />
<h2>Instance Variables for EOAttribute Class</h2>
<h3><a name="ivariable$EOAttribute*_adaptorValueConversionMethod">_adaptorValueConversionMethod</a></h3>
@protected SEL <b>_adaptorValueConversionMethod</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_adaptorValueConversionMethodName">_adaptorValueConversionMethodName</a></h3>
@protected NSString* <b>_adaptorValueConversionMethodName</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_adaptorValueType">_adaptorValueType</a></h3>
@protected EOAdaptorValueType <b>_adaptorValueType</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_argumentType">_argumentType</a></h3>
@protected EOFactoryMethodArgumentType <b>_argumentType</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_columnName">_columnName</a></h3>
@protected NSString* <b>_columnName</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_definitionArray">_definitionArray</a></h3>
@protected EOExpressionArray* <b>_definitionArray</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_docComment">_docComment</a></h3>
@protected NSString* <b>_docComment</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_externalType">_externalType</a></h3>
@protected NSString* <b>_externalType</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_internalInfo">_internalInfo</a></h3>
@protected NSDictionary* <b>_internalInfo</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_name">_name</a></h3>
@protected NSString* <b>_name</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_parameterDirection">_parameterDirection</a></h3>
@protected EOParameterDirection <b>_parameterDirection</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_parent">_parent</a></h3>
@protected id <b>_parent</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_precision">_precision</a></h3>
@protected unsigned short int <b>_precision</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_prototype">_prototype</a></h3>
@protected EOAttribute* <b>_prototype</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_readFormat">_readFormat</a></h3>
@protected NSString* <b>_readFormat</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_realAttribute">_realAttribute</a></h3>
@protected EOAttribute* <b>_realAttribute</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_scale">_scale</a></h3>
@protected short int <b>_scale</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_serverTimeZone">_serverTimeZone</a></h3>
@protected NSTimeZone* <b>_serverTimeZone</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_sourceToDestinationKeyMap">_sourceToDestinationKeyMap</a></h3>
@protected NSDictionary* <b>_sourceToDestinationKeyMap</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_userInfo">_userInfo</a></h3>
@protected NSDictionary* <b>_userInfo</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_valueClass">_valueClass</a></h3>
@protected Class <b>_valueClass</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_valueClassName">_valueClassName</a></h3>
@protected NSString* <b>_valueClassName</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_valueFactoryMethod">_valueFactoryMethod</a></h3>
@protected SEL <b>_valueFactoryMethod</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_valueFactoryMethodName">_valueFactoryMethodName</a></h3>
@protected NSString* <b>_valueFactoryMethodName</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_valueType">_valueType</a></h3>
@protected NSString* <b>_valueType</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_valueTypeCharacter">_valueTypeCharacter</a></h3>
@protected unichar <b>_valueTypeCharacter</b>;<br />
<div class="desc">
First <strong>char</strong> of _valueType or \0
<br /> <em>Warning</em> the underscore at the start
of the name of this instance variable indicates that,
even though it is not technically <em>private</em>, it
is intended for internal use within the package, and you
should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_width">_width</a></h3>
@protected unsigned int <b>_width</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*_writeFormat">_writeFormat</a></h3>
@protected NSString* <b>_writeFormat</b>;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$EOAttribute*extraRefCount">extraRefCount</a></h3>
@protected unsigned int <b>extraRefCount</b>;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
<br/><hr width="50%" align="left" /><br/>
<h1><a name="002000000000">
Software documentation for the
EOAttribute(EOAttributeEditing)
category
</a></h1>
<h2><a rel="gsdoc" href="#class$EOAttribute">EOAttribute</a>(<a name="category$EOAttribute(EOAttributeEditing)">EOAttributeEditing</a>)</h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>EOAccess/EOAttribute.h</dd>
</dl>
</blockquote>
<div class="desc">
<em>Description forthcoming.</em>
</div>
<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-_normalizeDefinition$path$">-_normalizeDefinition:path:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-setAllowsNull$">-setAllowsNull:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-setColumnName$">-setColumnName:</a></li>
<li><a rel="gsdoc" href="EOAttribute.html#method$EOAttribute(EOAttributeEditing)-setDefinition$">-setDefinition:</a></li>
</ul>
<hr width="50%" align="left" />
<div class="method">
<h3><a name="method$EOAttribute(EOAttributeEditing)-_normalizeDefinition$path$">_normalizeDefinition: path: </a></h3>
- (id) <b>_normalizeDefinition:</b> (EOExpressionArray*)definition<b> path:</b> (id)path;<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this method indicates that it is private, for
internal use only, and you should not use the
method in your code.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute(EOAttributeEditing)-setAllowsNull$">setAllowsNull: </a></h3>
- (void) <b>setAllowsNull:</b> (BOOL)allowsNull;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute(EOAttributeEditing)-setColumnName$">setColumnName: </a></h3>
- (void) <b>setColumnName:</b> (NSString*)columnName;<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$EOAttribute(EOAttributeEditing)-setDefinition$">setDefinition: </a></h3>
- (void) <b>setDefinition:</b> (NSString*)definition;<br />
<div class="desc">
</p>
<p>
Sets the <var>definition</var> of a derived
attribute.
</p>
<p>
</p>
<p>
An EOAttribute can either reference column from the
entites external representation or define a
derived attribute such a cacluclated value or a
key path. The values to these attributes are cached
in memory.
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<br />
<a href="EOAccess.html">Up</a>
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