active_model_serializers/ActiveModelSerializers/CachedSerializer.html
2016-04-05 11:05:22 -05:00

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Class: ActiveModelSerializers::CachedSerializer
&mdash; Documentation by YARD 0.8.7.6
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<span class="title">CachedSerializer</span>
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<div id="content"><h1>Class: ActiveModelSerializers::CachedSerializer
</h1>
<dl class="box">
<dt class="r1">Inherits:</dt>
<dd class="r1">
<span class="inheritName">Object</span>
<ul class="fullTree">
<li>Object</li>
<li class="next">ActiveModelSerializers::CachedSerializer</li>
</ul>
<a href="#" class="inheritanceTree">show all</a>
</dd>
<dt class="r2 last">Defined in:</dt>
<dd class="r2 last">lib/active_model_serializers/cached_serializer.rb</dd>
</dl>
<div class="clear"></div>
<h2>Constant Summary</h2>
<dl class="constants">
<dt id="UndefinedCacheKey-constant" class="">UndefinedCacheKey =
</dt>
<dd><pre class="code"><span class='const'>Class</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='const'>StandardError</span><span class='rparen'>)</span></pre></dd>
</dl>
<h2>
Class Method Summary
<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#object_cache_key-class_method" title="object_cache_key (class method)">+ (String<sup>?</sup>) <strong>object_cache_key</strong>(serializer, adapter_instance) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>The cache_key of the serializer or nil.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#object_cache_keys-class_method" title="object_cache_keys (class method)">+ (Array) <strong>object_cache_keys</strong>(serializers, adapter_instance, include_tree) </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>find all cache_key for the collection_serializer.</p>
</div></span>
</li>
</ul>
<h2>
Instance Method Summary
<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#cache_check-instance_method" title="#cache_check (instance method)">- (Object) <strong>cache_check</strong>(adapter_instance) </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#cache_key-instance_method" title="#cache_key (instance method)">- (Object) <strong>cache_key</strong>(adapter_instance) </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#cached%3F-instance_method" title="#cached? (instance method)">- (Boolean) <strong>cached?</strong> </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#fragment_cached%3F-instance_method" title="#fragment_cached? (instance method)">- (Boolean) <strong>fragment_cached?</strong> </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#initialize-instance_method" title="#initialize (instance method)">- (CachedSerializer) <strong>initialize</strong>(serializer) </a>
</span>
<span class="note title constructor">constructor</span>
<span class="summary_desc"><div class='inline'>
<p>A new instance of CachedSerializer.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#object_cache_key-instance_method" title="#object_cache_key (instance method)">- (Object) <strong>object_cache_key</strong> </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Use object&#39;s cache_key if available, else derive a key from the object
Pass the `key` option to the `cache` declaration or override this method to
customize the cache key.</p>
</div></span>
</li>
</ul>
<div id="constructor_details" class="method_details_list">
<h2>Constructor Details</h2>
<div class="method_details first">
<h3 class="signature first" id="initialize-instance_method">
- (<tt><span class='object_link'><a href="" title="ActiveModelSerializers::CachedSerializer (class)">CachedSerializer</a></span></tt>) <strong>initialize</strong>(serializer)
</h3><div class="docstring">
<div class="discussion">
<p>Returns a new instance of CachedSerializer</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
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<td>
<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 5</span>
<span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span><span class='lparen'>(</span><span class='id identifier rubyid_serializer'>serializer</span><span class='rparen'>)</span>
<span class='ivar'>@cached_serializer</span> <span class='op'>=</span> <span class='id identifier rubyid_serializer'>serializer</span>
<span class='ivar'>@klass</span> <span class='op'>=</span> <span class='ivar'>@cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_class'>class</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="class_method_details" class="method_details_list">
<h2>Class Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="object_cache_key-class_method">
+ (<tt>String</tt><sup>?</sup>) <strong>object_cache_key</strong>(serializer, adapter_instance)
</h3><div class="docstring">
<div class="discussion">
<p>Returns the cache_key of the serializer or nil</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>String</tt>, <tt>nil</tt>)</span>
&mdash;
<div class='inline'>
<p>the cache_key of the serializer or nil</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
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<td>
<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 80</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_object_cache_key'>object_cache_key</span><span class='lparen'>(</span><span class='id identifier rubyid_serializer'>serializer</span><span class='comma'>,</span> <span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span>
<span class='kw'>return</span> <span class='kw'>unless</span> <span class='id identifier rubyid_serializer'>serializer</span><span class='period'>.</span><span class='id identifier rubyid_present?'>present?</span> <span class='op'>&amp;&amp;</span> <span class='id identifier rubyid_serializer'>serializer</span><span class='period'>.</span><span class='id identifier rubyid_object'>object</span><span class='period'>.</span><span class='id identifier rubyid_present?'>present?</span>
<span class='id identifier rubyid_cached_serializer'>cached_serializer</span> <span class='op'>=</span> <span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_serializer'>serializer</span><span class='rparen'>)</span>
<span class='id identifier rubyid_cached_serializer'>cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_cached?'>cached?</span> <span class='op'>?</span> <span class='id identifier rubyid_cached_serializer'>cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_cache_key'>cache_key</span><span class='lparen'>(</span><span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span> <span class='op'>:</span> <span class='kw'>nil</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="object_cache_keys-class_method">
+ (<tt>Array</tt>) <strong>object_cache_keys</strong>(serializers, adapter_instance, include_tree)
</h3><div class="docstring">
<div class="discussion">
<p>find all cache_key for the collection_serializer</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>serializers</span>
<span class='type'>(<tt><span class='object_link'><a href="../ActiveModel/Serializer/CollectionSerializer.html" title="ActiveModel::Serializer::CollectionSerializer (class)">ActiveModel::Serializer::CollectionSerializer</a></span></tt>)</span>
</li>
<li>
<span class='name'>adapter_instance</span>
<span class='type'>(<tt><span class='object_link'><a href="Adapter/Base.html" title="ActiveModelSerializers::Adapter::Base (class)">ActiveModelSerializers::Adapter::Base</a></span></tt>)</span>
</li>
<li>
<span class='name'>include_tree</span>
<span class='type'>(<tt><span class='object_link'><a href="../ActiveModel/Serializer/IncludeTree.html" title="ActiveModel::Serializer::IncludeTree (class)">ActiveModel::Serializer::IncludeTree</a></span></tt>)</span>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Array</tt>)</span>
&mdash;
<div class='inline'>
<p>all cache_key of collection_serializer</p>
</div>
</li>
</ul>
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<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 59</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_object_cache_keys'>object_cache_keys</span><span class='lparen'>(</span><span class='id identifier rubyid_serializers'>serializers</span><span class='comma'>,</span> <span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='comma'>,</span> <span class='id identifier rubyid_include_tree'>include_tree</span><span class='rparen'>)</span>
<span class='id identifier rubyid_cache_keys'>cache_keys</span> <span class='op'>=</span> <span class='lbracket'>[</span><span class='rbracket'>]</span>
<span class='id identifier rubyid_serializers'>serializers</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_serializer'>serializer</span><span class='op'>|</span>
<span class='id identifier rubyid_cache_keys'>cache_keys</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_object_cache_key'>object_cache_key</span><span class='lparen'>(</span><span class='id identifier rubyid_serializer'>serializer</span><span class='comma'>,</span> <span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span>
<span class='id identifier rubyid_serializer'>serializer</span><span class='period'>.</span><span class='id identifier rubyid_associations'>associations</span><span class='lparen'>(</span><span class='id identifier rubyid_include_tree'>include_tree</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_association'>association</span><span class='op'>|</span>
<span class='kw'>if</span> <span class='id identifier rubyid_association'>association</span><span class='period'>.</span><span class='id identifier rubyid_serializer'>serializer</span><span class='period'>.</span><span class='id identifier rubyid_respond_to?'>respond_to?</span><span class='lparen'>(</span><span class='symbol'>:each</span><span class='rparen'>)</span>
<span class='id identifier rubyid_association'>association</span><span class='period'>.</span><span class='id identifier rubyid_serializer'>serializer</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_sub_serializer'>sub_serializer</span><span class='op'>|</span>
<span class='id identifier rubyid_cache_keys'>cache_keys</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_object_cache_key'>object_cache_key</span><span class='lparen'>(</span><span class='id identifier rubyid_sub_serializer'>sub_serializer</span><span class='comma'>,</span> <span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='kw'>else</span>
<span class='id identifier rubyid_cache_keys'>cache_keys</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_object_cache_key'>object_cache_key</span><span class='lparen'>(</span><span class='id identifier rubyid_association'>association</span><span class='period'>.</span><span class='id identifier rubyid_serializer'>serializer</span><span class='comma'>,</span> <span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='kw'>end</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_cache_keys'>cache_keys</span><span class='period'>.</span><span class='id identifier rubyid_compact'>compact</span><span class='period'>.</span><span class='id identifier rubyid_uniq'>uniq</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
</div>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="cache_check-instance_method">
- (<tt>Object</tt>) <strong>cache_check</strong>(adapter_instance)
</h3><table class="source_code">
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<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 10</span>
<span class='kw'>def</span> <span class='id identifier rubyid_cache_check'>cache_check</span><span class='lparen'>(</span><span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span>
<span class='kw'>if</span> <span class='id identifier rubyid_cached?'>cached?</span>
<span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid__cache'>_cache</span><span class='period'>.</span><span class='id identifier rubyid_fetch'>fetch</span><span class='lparen'>(</span><span class='id identifier rubyid_cache_key'>cache_key</span><span class='lparen'>(</span><span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span><span class='comma'>,</span> <span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid__cache_options'>_cache_options</span><span class='rparen'>)</span> <span class='kw'>do</span>
<span class='kw'>yield</span>
<span class='kw'>end</span>
<span class='kw'>elsif</span> <span class='id identifier rubyid_fragment_cached?'>fragment_cached?</span>
<span class='const'>FragmentCache</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='comma'>,</span> <span class='ivar'>@cached_serializer</span><span class='comma'>,</span> <span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='period'>.</span><span class='id identifier rubyid_instance_options'>instance_options</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_fetch'>fetch</span>
<span class='kw'>else</span>
<span class='kw'>yield</span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="cache_key-instance_method">
- (<tt>Object</tt>) <strong>cache_key</strong>(adapter_instance)
</h3><table class="source_code">
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<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 30</span>
<span class='kw'>def</span> <span class='id identifier rubyid_cache_key'>cache_key</span><span class='lparen'>(</span><span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='rparen'>)</span>
<span class='kw'>return</span> <span class='ivar'>@cache_key</span> <span class='kw'>if</span> <span class='kw'>defined?</span><span class='lparen'>(</span><span class='ivar'>@cache_key</span><span class='rparen'>)</span>
<span class='id identifier rubyid_parts'>parts</span> <span class='op'>=</span> <span class='lbracket'>[</span><span class='rbracket'>]</span>
<span class='id identifier rubyid_parts'>parts</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_object_cache_key'>object_cache_key</span>
<span class='id identifier rubyid_parts'>parts</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_adapter_instance'>adapter_instance</span><span class='period'>.</span><span class='id identifier rubyid_cached_name'>cached_name</span>
<span class='id identifier rubyid_parts'>parts</span> <span class='op'>&lt;&lt;</span> <span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid__cache_digest'>_cache_digest</span> <span class='kw'>unless</span> <span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid__skip_digest?'>_skip_digest?</span>
<span class='ivar'>@cache_key</span> <span class='op'>=</span> <span class='id identifier rubyid_parts'>parts</span><span class='period'>.</span><span class='id identifier rubyid_join'>join</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>/</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="cached?-instance_method">
- (<tt>Boolean</tt>) <strong>cached?</strong>
</h3><div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Boolean</tt>)</span>
</li>
</ul>
</div><table class="source_code">
<tr>
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<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 22</span>
<span class='kw'>def</span> <span class='id identifier rubyid_cached?'>cached?</span>
<span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid_cache_enabled?'>cache_enabled?</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="fragment_cached?-instance_method">
- (<tt>Boolean</tt>) <strong>fragment_cached?</strong>
</h3><div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Boolean</tt>)</span>
</li>
</ul>
</div><table class="source_code">
<tr>
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<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 26</span>
<span class='kw'>def</span> <span class='id identifier rubyid_fragment_cached?'>fragment_cached?</span>
<span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid_fragment_cache_enabled?'>fragment_cache_enabled?</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="object_cache_key-instance_method">
- (<tt>Object</tt>) <strong>object_cache_key</strong>
</h3><div class="docstring">
<div class="discussion">
<p>Use object&#39;s cache_key if available, else derive a key from the object
Pass the `key` option to the `cache` declaration or override this method to
customize the cache key</p>
</div>
</div>
<div class="tags">
</div><table class="source_code">
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<pre class="code"><span class="info file"># File 'lib/active_model_serializers/cached_serializer.rb', line 42</span>
<span class='kw'>def</span> <span class='id identifier rubyid_object_cache_key'>object_cache_key</span>
<span class='kw'>if</span> <span class='ivar'>@cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_object'>object</span><span class='period'>.</span><span class='id identifier rubyid_respond_to?'>respond_to?</span><span class='lparen'>(</span><span class='symbol'>:cache_key</span><span class='rparen'>)</span>
<span class='ivar'>@cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_object'>object</span><span class='period'>.</span><span class='id identifier rubyid_cache_key'>cache_key</span>
<span class='kw'>elsif</span> <span class='lparen'>(</span><span class='id identifier rubyid_cache_key'>cache_key</span> <span class='op'>=</span> <span class='lparen'>(</span><span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid__cache_key'>_cache_key</span> <span class='op'>||</span> <span class='ivar'>@klass</span><span class='period'>.</span><span class='id identifier rubyid__cache_options'>_cache_options</span><span class='lbracket'>[</span><span class='symbol'>:key</span><span class='rbracket'>]</span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='id identifier rubyid_object_time_safe'>object_time_safe</span> <span class='op'>=</span> <span class='ivar'>@cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_object'>object</span><span class='period'>.</span><span class='id identifier rubyid_updated_at'>updated_at</span>
<span class='id identifier rubyid_object_time_safe'>object_time_safe</span> <span class='op'>=</span> <span class='id identifier rubyid_object_time_safe'>object_time_safe</span><span class='period'>.</span><span class='id identifier rubyid_strftime'>strftime</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>%Y%m%d%H%M%S%9N</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span> <span class='kw'>if</span> <span class='id identifier rubyid_object_time_safe'>object_time_safe</span><span class='period'>.</span><span class='id identifier rubyid_respond_to?'>respond_to?</span><span class='lparen'>(</span><span class='symbol'>:strftime</span><span class='rparen'>)</span>
<span class='tstring'><span class='tstring_beg'>&quot;</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_cache_key'>cache_key</span><span class='embexpr_end'>}</span><span class='tstring_content'>/</span><span class='embexpr_beg'>#{</span><span class='ivar'>@cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_object'>object</span><span class='period'>.</span><span class='id identifier rubyid_id'>id</span><span class='embexpr_end'>}</span><span class='tstring_content'>-</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_object_time_safe'>object_time_safe</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span>
<span class='kw'>else</span>
<span class='id identifier rubyid_fail'>fail</span> <span class='const'>UndefinedCacheKey</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='embexpr_beg'>#{</span><span class='ivar'>@cached_serializer</span><span class='period'>.</span><span class='id identifier rubyid_object'>object</span><span class='period'>.</span><span class='id identifier rubyid_class'>class</span><span class='embexpr_end'>}</span><span class='tstring_content'> must define #cache_key, or the &#39;key:&#39; option must be passed into &#39;</span><span class='embexpr_beg'>#{</span><span class='ivar'>@klass</span><span class='embexpr_end'>}</span><span class='tstring_content'>.cache&#39;</span><span class='tstring_end'>&quot;</span></span>
<span class='kw'>end</span>
<span class='kw'>end</span></pre>
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0.8.7.6 (ruby-2.2.2).
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