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Class: Elephas::Backends::Base
— Documentation by YARD 0.8.6.2
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<span class='title'><span class='object_link'><a href="../../Elephas.html" title="Elephas (module)">Elephas</a></span></span> » <span class='title'><span class='object_link'><a href="../Backends.html" title="Elephas::Backends (module)">Backends</a></span></span>
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<span class="title">Base</span>
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<div id="content"><h1>Class: Elephas::Backends::Base
</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">Elephas::Backends::Base</li>
</ul>
<a href="#" class="inheritanceTree">show all</a>
</dd>
<dt class="r2">Includes:</dt>
<dd class="r2">Lazier::I18n</dd>
<dt class="r1 last">Defined in:</dt>
<dd class="r1 last">lib/elephas/backends/base.rb</dd>
</dl>
<div class="clear"></div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>The a base backend. All data-related methods must be overriden.</p>
</div>
</div>
<div class="tags">
</div><div id="subclasses">
<h2>Direct Known Subclasses</h2>
<p class="children"><span class='object_link'><a href="Hash.html" title="Elephas::Backends::Hash (class)">Hash</a></span>, <span class='object_link'><a href="RubyOnRails.html" title="Elephas::Backends::RubyOnRails (class)">RubyOnRails</a></span></p>
</div>
<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="#delete-instance_method" title="#delete (instance method)">- (TrueClass|FalseClass) <strong>delete</strong>(key) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Deletes a value from the cache.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#exists%3F-instance_method" title="#exists? (instance method)">- (TrueClass|FalseClass) <strong>exists?</strong>(key) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Checks if a key exists in the cache.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#now-instance_method" title="#now (instance method)">- (Object) <strong>now</strong> </a>
</span>
<span class="summary_desc"><div class='inline'><p>Returns the current time for comparing with entries TTL.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#read-instance_method" title="#read (instance method)">- (Entry|NilClass) <strong>read</strong>(key) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Reads a value from the cache.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#write-instance_method" title="#write (instance method)">- (Object) <strong>write</strong>(key, value, options = {}) </a>
</span>
<span class="summary_desc"><div class='inline'><p>Writes a value to the cache.</p>
</div></span>
</li>
</ul>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="delete-instance_method">
- (<tt>TrueClass|FalseClass</tt>) <strong>delete</strong>(key)
</h3><div class="docstring">
<div class="discussion">
<p>Deletes a value from the cache.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>key</span>
<span class='type'>(<tt>String</tt>)</span>
—
<div class='inline'><p>The key to delete.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>TrueClass|FalseClass</tt>)</span>
—
<div class='inline'><p><code>true</code> if the key was in the cache, <code>false</code> otherwise.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
37
38
39</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/elephas/backends/base.rb', line 37</span>
<span class='kw'>def</span> <span class='id identifier rubyid_delete'>delete</span><span class='lparen'>(</span><span class='id identifier rubyid_key'>key</span><span class='rparen'>)</span>
<span class='id identifier rubyid_unimplemented'>unimplemented</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="exists?-instance_method">
- (<tt>TrueClass|FalseClass</tt>) <strong>exists?</strong>(key)
</h3><div class="docstring">
<div class="discussion">
<p>Checks if a key exists in the cache.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>key</span>
<span class='type'>(<tt>String</tt>)</span>
—
<div class='inline'><p>The key to lookup.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>TrueClass|FalseClass</tt>)</span>
—
<div class='inline'><p><code>true</code> if the key is in the cache, <code>false</code> otherwise.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
45
46
47</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/elephas/backends/base.rb', line 45</span>
<span class='kw'>def</span> <span class='id identifier rubyid_exists?'>exists?</span><span class='lparen'>(</span><span class='id identifier rubyid_key'>key</span><span class='rparen'>)</span>
<span class='id identifier rubyid_unimplemented'>unimplemented</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="now-instance_method">
- (<tt>Object</tt>) <strong>now</strong>
</h3><div class="docstring">
<div class="discussion">
<p>Returns the current time for comparing with entries TTL.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Object</tt>)</span>
—
<div class='inline'><p>A representation of the current time.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
52
53
54</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/elephas/backends/base.rb', line 52</span>
<span class='kw'>def</span> <span class='id identifier rubyid_now'>now</span>
<span class='op'>::</span><span class='const'>Time</span><span class='period'>.</span><span class='id identifier rubyid_now'>now</span><span class='period'>.</span><span class='id identifier rubyid_to_f'>to_f</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="read-instance_method">
- (<tt><span class='object_link'><a href="../Entry.html" title="Elephas::Entry (class)">Entry</a></span>|NilClass</tt>) <strong>read</strong>(key)
</h3><div class="docstring">
<div class="discussion">
<p>Reads a value from the cache.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>key</span>
<span class='type'>(<tt>String</tt>)</span>
—
<div class='inline'><p>The key to lookup.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="../Entry.html" title="Elephas::Entry (class)">Entry</a></span>|NilClass</tt>)</span>
—
<div class='inline'><p>The read value or <code>nil</code>.</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
18
19
20</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/elephas/backends/base.rb', line 18</span>
<span class='kw'>def</span> <span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_key'>key</span><span class='rparen'>)</span>
<span class='id identifier rubyid_unimplemented'>unimplemented</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="write-instance_method">
- (<tt>Object</tt>) <strong>write</strong>(key, value, options = {})
</h3><div class="docstring">
<div class="discussion">
<p>Writes a value to the cache.</p>
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>key</span>
<span class='type'>(<tt>String</tt>)</span>
—
<div class='inline'><p>The key to associate the value with.</p>
</div>
</li>
<li>
<span class='name'>value</span>
<span class='type'>(<tt>Object</tt>)</span>
—
<div class='inline'><p>The value to write. Setting a value to <code>nil</code> <strong>doesn’t</strong> mean <em>deleting</em> the value.</p>
</div>
</li>
<li>
<span class='name'>options</span>
<span class='type'>(<tt><span class='object_link'><a href="Hash.html" title="Elephas::Backends::Hash (class)">Hash</a></span></tt>)</span>
<em class="default">(defaults to: <tt>{}</tt>)</em>
—
<div class='inline'><p>A list of options for writing.</p>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt>Object</tt>)</span>
—
<div class='inline'><p>The value itself.</p>
</div>
</li>
</ul>
<p class="tag_title">See Also:</p>
<ul class="see">
<li>Cache.setup_options</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
29
30
31</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/elephas/backends/base.rb', line 29</span>
<span class='kw'>def</span> <span class='id identifier rubyid_write'>write</span><span class='lparen'>(</span><span class='id identifier rubyid_key'>key</span><span class='comma'>,</span> <span class='id identifier rubyid_value'>value</span><span class='comma'>,</span> <span class='id identifier rubyid_options'>options</span> <span class='op'>=</span> <span class='lbrace'>{</span><span class='rbrace'>}</span><span class='rparen'>)</span>
<span class='id identifier rubyid_unimplemented'>unimplemented</span>
<span class='kw'>end</span></pre>
</td>
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Generated on Sun Jul 14 15:54:09 2013 by
<a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
0.8.6.2 (ruby-1.9.3).
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