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<head>
<title>Class: CacheEntry</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">CacheEntry</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../files/lib/storage/cache_rb.html">
lib/storage/cache.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
Object
</td>
</tr>
</table>
</div>
<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
<div id="diagram">
<map id="map" name="map">
<area shape="RECT" coords="7,17,92,65" href="CacheStats.html" alt="CacheStats
">
<area shape="RECT" coords="116,17,217,65" href="CacheManager.html" alt="CacheManager
">
<area shape="RECT" coords="241,17,327,65" href="CacheEntry.html" alt="CacheEntry
">
</map>
<img src="../dot/f_42.png" usemap="#map" border=0 alt="TopLevel">
</div>
<div id="description">
<p>
This is a node in the cache and is a wrapper for the object and keeps flags
on the status of the entry.
</p>
</div>
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000279">clean!</a>
<a href="#M000280">dead?</a>
<a href="#M000278">dirty!</a>
<a href="#M000277">dirty?</a>
<a href="#M000281">mark_dead</a>
<a href="#M000276">new</a>
<a href="#M000283">noswap!</a>
<a href="#M000282">noswap?</a>
<a href="#M000284">swap!</a>
</div>
</div>
</div>
<!-- if includes -->
<div id="section">
<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">obj</td>
<td class="context-item-value"> [RW] </td>
<td class="context-item-desc"></td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">oid</td>
<td class="context-item-value"> [RW] </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-M000276" class="method-detail">
<a name="M000276"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000276.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000276.html');return false;">
<span class="method-name">new</span><span class="method-args">(oid=nil,obj=nil,dirty=false,noswap=false)</span>
</a>
</div>
<div class="method-description">
<p>
perhaps add LRU counters as <a href="CacheEntry.html">CacheEntry</a> is
pretty dumb
</p>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000279" class="method-detail">
<a name="M000279"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000279.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000279.html');return false;">
<span class="method-name">clean!</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000280" class="method-detail">
<a name="M000280"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000280.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000280.html');return false;">
<span class="method-name">dead?</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p>
A dead cache entry is an object that has been deleted
</p>
</div>
</div>
<div id="method-M000278" class="method-detail">
<a name="M000278"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000278.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000278.html');return false;">
<span class="method-name">dirty!</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000277" class="method-detail">
<a name="M000277"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000277.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000277.html');return false;">
<span class="method-name">dirty?</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p>
dirty cache entries are those that probably differ from the database
</p>
</div>
</div>
<div id="method-M000281" class="method-detail">
<a name="M000281"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000281.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000281.html');return false;">
<span class="method-name">mark_dead</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000283" class="method-detail">
<a name="M000283"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000283.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000283.html');return false;">
<span class="method-name">noswap!</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
</div>
</div>
<div id="method-M000282" class="method-detail">
<a name="M000282"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000282.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000282.html');return false;">
<span class="method-name">noswap?</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p>
Noswappable cache entries are objects that have non persistent attributes.
*heavy sigh* We can never remove these from the cache until specifically
marked See makenoswap and makeswap
</p>
</div>
</div>
<div id="method-M000284" class="method-detail">
<a name="M000284"></a>
<div class="method-heading">
<a href="CacheEntry.src/M000284.html" target="Code" class="method-signature"
onclick="popupCode('CacheEntry.src/M000284.html');return false;">
<span class="method-name">swap!</span><span class="method-args">()</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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