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<title>composed_of (ActiveRecord::Aggregations::ClassMethods)</title>
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<pre><span class="ruby-comment cmt"># File lib/active_record/aggregations.rb, line 194</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">composed_of</span>(<span class="ruby-identifier">part_id</span>, <span class="ruby-identifier">options</span> = {}, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
<span class="ruby-identifier">options</span>.<span class="ruby-identifier">assert_valid_keys</span>(<span class="ruby-identifier">:class_name</span>, <span class="ruby-identifier">:mapping</span>, <span class="ruby-identifier">:allow_nil</span>, <span class="ruby-identifier">:constructor</span>, <span class="ruby-identifier">:converter</span>)
<span class="ruby-identifier">name</span> = <span class="ruby-identifier">part_id</span>.<span class="ruby-identifier">id2name</span>
<span class="ruby-identifier">class_name</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:class_name</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">name</span>.<span class="ruby-identifier">camelize</span>
<span class="ruby-identifier">mapping</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:mapping</span>] <span class="ruby-operator">||</span> [ <span class="ruby-identifier">name</span>, <span class="ruby-identifier">name</span> ]
<span class="ruby-identifier">mapping</span> = [ <span class="ruby-identifier">mapping</span> ] <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">mapping</span>.<span class="ruby-identifier">first</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Array</span>)
<span class="ruby-identifier">allow_nil</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:allow_nil</span>] <span class="ruby-operator">||</span> <span class="ruby-keyword kw">false</span>
<span class="ruby-identifier">constructor</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:constructor</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">:new</span>
<span class="ruby-identifier">converter</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:converter</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">block</span>
<span class="ruby-constant">ActiveSupport</span><span class="ruby-operator">::</span><span class="ruby-constant">Deprecation</span>.<span class="ruby-identifier">warn</span>(<span class="ruby-value str">'The conversion block has been deprecated, use the :converter option instead.'</span>, <span class="ruby-identifier">caller</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">block_given?</span>
<span class="ruby-identifier">reader_method</span>(<span class="ruby-identifier">name</span>, <span class="ruby-identifier">class_name</span>, <span class="ruby-identifier">mapping</span>, <span class="ruby-identifier">allow_nil</span>, <span class="ruby-identifier">constructor</span>)
<span class="ruby-identifier">writer_method</span>(<span class="ruby-identifier">name</span>, <span class="ruby-identifier">class_name</span>, <span class="ruby-identifier">mapping</span>, <span class="ruby-identifier">allow_nil</span>, <span class="ruby-identifier">converter</span>)
<span class="ruby-identifier">create_reflection</span>(<span class="ruby-identifier">:composed_of</span>, <span class="ruby-identifier">part_id</span>, <span class="ruby-identifier">options</span>, <span class="ruby-keyword kw">self</span>)
<span class="ruby-keyword kw">end</span></pre>
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distrib
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Mandriva
>
2010.0
>
i586
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media
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contrib-release
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by-pkgid
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d51872cc0e1fdee944d71993f94ac764
>
files
>
81
