cassandra-server

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  <html lang="en"> <head>  <title>ICache (apache-cassandra API)</title> <meta name="date" content="2014-09-07"> <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> </head> <body> <script type="text/javascript"> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript>  <div class="topNav"><a name="navbar_top">  </a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/ICache.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../index-all.html">Index</a></li> <li><a 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<li>Detail: </li> <li>Field | </li> <li>Constr | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_top">  </a></div>   <div class="header"> <div class="subTitle">org.apache.cassandra.cache</div> <h2 title="Interface ICache" class="title">Interface ICache<K,V></h2> </div> <div class="contentContainer"> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Known Implementing Classes:</dt> <dd><a href="../../../../org/apache/cassandra/cache/ConcurrentLinkedHashCache.html" title="class in org.apache.cassandra.cache">ConcurrentLinkedHashCache</a>, <a href="../../../../org/apache/cassandra/cache/SerializingCache.html" title="class in org.apache.cassandra.cache">SerializingCache</a></dd> </dl> <hr> <br> <pre>public interface <span class="strong">ICache<K,V></span></pre> <div class="block">This is similar to the Map interface, but requires maintaining a given capacity and does not require put or remove to return values, which lets SerializingCache be more efficient by avoiding deserialize except on get.</div> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="method_summary">  </a> <h3>Method Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> <caption><span>Methods</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Method and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>long</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#capacity()">capacity</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#clear()">clear</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#containsKey(K)">containsKey</a></strong>(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#get(K)">get</a></strong>(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>java.util.Set<<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#hotKeySet(int)">hotKeySet</a></strong>(int n)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.util.Set<<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a>></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#keySet()">keySet</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#put(K,%20V)">put</a></strong>(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> value)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#putIfAbsent(K,%20V)">putIfAbsent</a></strong>(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> value)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#remove(K)">remove</a></strong>(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#replace(K,%20V,%20V)">replace</a></strong>(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> old, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> value)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#setCapacity(long)">setCapacity</a></strong>(long capacity)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#size()">size</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>long</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/cache/ICache.html#weightedSize()">weightedSize</a></strong>()</code> </td> </tr> </table> </li> </ul> </li> </ul> </div> <div class="details"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="capacity()">  </a> <ul class="blockList"> <li class="blockList"> <h4>capacity</h4> <pre>long capacity()</pre> </li> </ul> <a name="setCapacity(long)">  </a> <ul class="blockList"> <li class="blockList"> <h4>setCapacity</h4> <pre>void setCapacity(long capacity)</pre> </li> </ul> <a name="put(java.lang.Object,java.lang.Object)">  </a><a name="put(K, V)">  </a> <ul class="blockList"> <li class="blockList"> <h4>put</h4> <pre>void put(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> value)</pre> </li> </ul> <a name="putIfAbsent(java.lang.Object,java.lang.Object)">  </a><a name="putIfAbsent(K, V)">  </a> <ul class="blockList"> <li class="blockList"> <h4>putIfAbsent</h4> <pre>boolean putIfAbsent(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> value)</pre> </li> </ul> <a name="replace(java.lang.Object,java.lang.Object,java.lang.Object)">  </a><a name="replace(K, V, V)">  </a> <ul class="blockList"> <li class="blockList"> <h4>replace</h4> <pre>boolean replace(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> old, <a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> value)</pre> </li> </ul> <a name="get(java.lang.Object)">  </a><a name="get(K)">  </a> <ul class="blockList"> <li class="blockList"> <h4>get</h4> <pre><a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">V</a> get(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key)</pre> </li> </ul> <a name="remove(java.lang.Object)">  </a><a name="remove(K)">  </a> <ul class="blockList"> <li class="blockList"> <h4>remove</h4> <pre>void remove(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key)</pre> </li> </ul> <a name="size()">  </a> <ul class="blockList"> <li class="blockList"> <h4>size</h4> <pre>int size()</pre> </li> </ul> <a name="weightedSize()">  </a> <ul class="blockList"> <li class="blockList"> <h4>weightedSize</h4> <pre>long weightedSize()</pre> </li> </ul> <a name="clear()">  </a> <ul class="blockList"> <li class="blockList"> <h4>clear</h4> <pre>void clear()</pre> </li> </ul> <a name="keySet()">  </a> <ul class="blockList"> <li class="blockList"> <h4>keySet</h4> <pre>java.util.Set<<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a>> keySet()</pre> </li> </ul> <a name="hotKeySet(int)">  </a> <ul class="blockList"> <li class="blockList"> <h4>hotKeySet</h4> <pre>java.util.Set<<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a>> hotKeySet(int n)</pre> </li> </ul> <a name="containsKey(java.lang.Object)">  </a><a name="containsKey(K)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>containsKey</h4> <pre>boolean containsKey(<a href="../../../../org/apache/cassandra/cache/ICache.html" title="type parameter in ICache">K</a> key)</pre> </li> </ul> </li> </ul> </li> </ul> </div> </div>   <div class="bottomNav"><a name="navbar_bottom">  </a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a 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