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<head>
<title>Class: Rack::Session::Memcache</title>
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<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Rack::Session::Memcache</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../../files/lib/rack/session/memcache_rb.html">
lib/rack/session/memcache.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
<a href="Abstract/ID.html">
Abstract::ID
</a>
</td>
</tr>
</table>
</div>
<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
<div id="description">
<p>
<a href="Memcache.html">Rack::Session::Memcache</a> provides simple cookie
based session management. <a href="../Session.html">Session</a> data is
stored in memcached. The corresponding session key is maintained in the
cookie. You may treat <a href="Memcache.html">Session::Memcache</a> as you
would <a href="Pool.html">Session::Pool</a> with the following caveats.
</p>
<ul>
<li>Setting :expire_after to 0 would note to the <a
href="Memcache.html">Memcache</a> server to hang onto the session data
until it would drop it according to it‘s own specifications. However,
the cookie sent to the client would expire immediately.
</li>
</ul>
<p>
Note that memcache does drop data before it may be listed to expire. For a
full description of behaviour, please see memcache‘s documentation.
</p>
</div>
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000188">destroy_session</a>
<a href="#M000185">generate_sid</a>
<a href="#M000186">get_session</a>
<a href="#M000184">new</a>
<a href="#M000187">set_session</a>
<a href="#M000189">with_lock</a>
</div>
</div>
</div>
<!-- if includes -->
<div id="section">
<div id="constants-list">
<h3 class="section-bar">Constants</h3>
<div class="name-list">
<table summary="Constants">
<tr class="top-aligned-row context-row">
<td class="context-item-name">DEFAULT_OPTIONS</td>
<td>=</td>
<td class="context-item-value">Abstract::ID::DEFAULT_OPTIONS.merge \ :namespace => 'rack:session', :memcache_server => 'localhost:11211'</td>
</tr>
</table>
</div>
</div>
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">mutex</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc"></td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">pool</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc"></td>
</tr>
</table>
</div>
</div>
<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000184" class="method-detail">
<a name="M000184"></a>
<div class="method-heading">
<a href="Memcache.src/M000184.html" target="Code" class="method-signature"
onclick="popupCode('Memcache.src/M000184.html');return false;">
<span class="method-name">new</span><span class="method-args">(app, options={})</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000188" class="method-detail">
<a name="M000188"></a>
<div class="method-heading">
<a href="Memcache.src/M000188.html" target="Code" class="method-signature"
onclick="popupCode('Memcache.src/M000188.html');return false;">
<span class="method-name">destroy_session</span><span class="method-args">(env, session_id, options)</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000185" class="method-detail">
<a name="M000185"></a>
<div class="method-heading">
<a href="Memcache.src/M000185.html" target="Code" class="method-signature"
onclick="popupCode('Memcache.src/M000185.html');return false;">
<span class="method-name">generate_sid</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000186" class="method-detail">
<a name="M000186"></a>
<div class="method-heading">
<a href="Memcache.src/M000186.html" target="Code" class="method-signature"
onclick="popupCode('Memcache.src/M000186.html');return false;">
<span class="method-name">get_session</span><span class="method-args">(env, sid)</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000187" class="method-detail">
<a name="M000187"></a>
<div class="method-heading">
<a href="Memcache.src/M000187.html" target="Code" class="method-signature"
onclick="popupCode('Memcache.src/M000187.html');return false;">
<span class="method-name">set_session</span><span class="method-args">(env, session_id, new_session, options)</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000189" class="method-detail">
<a name="M000189"></a>
<div class="method-heading">
<a href="Memcache.src/M000189.html" target="Code" class="method-signature"
onclick="popupCode('Memcache.src/M000189.html');return false;">
<span class="method-name">with_lock</span><span class="method-args">(env) {|| ...}</span>
</a>
</div>
<div class="method-description">
</div>
</div>
</div>
</div>
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<p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p>
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