<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>instance_method_already_implemented? (ActiveRecord::AttributeMethods::ClassMethods)</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link rel="stylesheet" href="../../../.././rdoc-style.css" type="text/css" media="screen" />
</head>
<body class="standalone-code">
<pre><span class="ruby-comment cmt"># File lib/active_record/attribute_methods.rb, line 99</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">instance_method_already_implemented?</span>(<span class="ruby-identifier">method_name</span>)
<span class="ruby-identifier">method_name</span> = <span class="ruby-identifier">method_name</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">true</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">method_name</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/^id(=$|\?$|$)/</span>
<span class="ruby-ivar">@_defined_class_methods</span> <span class="ruby-operator">||=</span> <span class="ruby-identifier">ancestors</span>.<span class="ruby-identifier">first</span>(<span class="ruby-identifier">ancestors</span>.<span class="ruby-identifier">index</span>(<span class="ruby-constant">ActiveRecord</span><span class="ruby-operator">::</span><span class="ruby-constant">Base</span>)).<span class="ruby-identifier">sum</span>([]) { <span class="ruby-operator">|</span><span class="ruby-identifier">m</span><span class="ruby-operator">|</span> <span class="ruby-identifier">m</span>.<span class="ruby-identifier">public_instance_methods</span>(<span class="ruby-keyword kw">false</span>) <span class="ruby-operator">|</span> <span class="ruby-identifier">m</span>.<span class="ruby-identifier">private_instance_methods</span>(<span class="ruby-keyword kw">false</span>) <span class="ruby-operator">|</span> <span class="ruby-identifier">m</span>.<span class="ruby-identifier">protected_instance_methods</span>(<span class="ruby-keyword kw">false</span>) }.<span class="ruby-identifier">map</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">:to_s</span>).<span class="ruby-identifier">to_set</span>
<span class="ruby-ivar">@@_defined_activerecord_methods</span> <span class="ruby-operator">||=</span> (<span class="ruby-constant">ActiveRecord</span><span class="ruby-operator">::</span><span class="ruby-constant">Base</span>.<span class="ruby-identifier">public_instance_methods</span>(<span class="ruby-keyword kw">false</span>) <span class="ruby-operator">|</span> <span class="ruby-constant">ActiveRecord</span><span class="ruby-operator">::</span><span class="ruby-constant">Base</span>.<span class="ruby-identifier">private_instance_methods</span>(<span class="ruby-keyword kw">false</span>) <span class="ruby-operator">|</span> <span class="ruby-constant">ActiveRecord</span><span class="ruby-operator">::</span><span class="ruby-constant">Base</span>.<span class="ruby-identifier">protected_instance_methods</span>(<span class="ruby-keyword kw">false</span>)).<span class="ruby-identifier">map</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">:to_s</span>).<span class="ruby-identifier">to_set</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">DangerousAttributeError</span>, <span class="ruby-node">"#{method_name} is defined by ActiveRecord"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@@_defined_activerecord_methods</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">method_name</span>)
<span class="ruby-ivar">@_defined_class_methods</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">method_name</span>)
<span class="ruby-keyword kw">end</span></pre>
</body>
</html>
distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
d51872cc0e1fdee944d71993f94ac764
>
files
>
108
