blob: 206bc3d5ca169f25a685282c6e5083d5e63e59e4 [file] [log] [blame]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<META NAME="ROBOTS" CONTENT="NOINDEX">
<link rel="canonical" href="https://ignite.apache.org/releases/1.7.0/javadoc/org/apache/ignite/cache/CacheMemoryMode.html" />
<!-- Generated by javadoc (version 1.7.0_80) on Mon Aug 01 20:32:29 MSK 2016 -->
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>CacheMemoryMode (Ignite 1.7.0)</title>
<meta name="date" content="2016-08-01">
<link rel="stylesheet" type="text/css" href="../../../../javadoc.css" title="Style">
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-61232409-1', 'auto');
ga('send', 'pageview');
</script></head>
<body>
<script type="text/javascript"><!--
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="CacheMemoryMode (Ignite 1.7.0)";
}
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<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/CacheMemoryMode.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 href="../../../../help-doc.html">Help</a></li>
</ul>
<div class="aboutLanguage"><em>Ignite - In-Memory Data Fabric</em></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../org/apache/ignite/cache/CacheManager.html" title="class in org.apache.ignite.cache"><span class="strong">Prev Class</span></a></li>
<li><a href="../../../../org/apache/ignite/cache/CacheMetrics.html" title="interface in org.apache.ignite.cache"><span class="strong">Next Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../index.html?org/apache/ignite/cache/CacheMemoryMode.html" target="_top">Frames</a></li>
<li><a href="CacheMemoryMode.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#enum_constant_summary">Enum Constants</a>&nbsp;|&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#method_summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li><a href="#enum_constant_detail">Enum Constants</a>&nbsp;|&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#method_detail">Method</a></li>
</ul>
</div>
<a name="skip-navbar_top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="subTitle">org.apache.ignite.cache</div>
<h2 title="Enum CacheMemoryMode" class="title">Enum CacheMemoryMode</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">java.lang.Enum</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a>&gt;</li>
<li>
<ul class="inheritance">
<li>org.apache.ignite.cache.CacheMemoryMode</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a>&gt;</dd>
</dl>
<hr>
<br>
<pre>public enum <span class="strong">CacheMemoryMode</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a>&lt;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a>&gt;</pre>
<div class="block">Defines set of memory modes. Memory modes help control whether cache entries are
stored on heap memory, offheap memory, or in swap space.</div>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- =========== ENUM CONSTANT SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="enum_constant_summary">
<!-- -->
</a>
<h3>Enum Constant Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Enum Constant Summary table, listing enum constants, and an explanation">
<caption><span>Enum Constants</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Enum Constant and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html#OFFHEAP_TIERED">OFFHEAP_TIERED</a></strong></code>
<div class="block">Works the same as <a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html#ONHEAP_TIERED"><code>ONHEAP_TIERED</code></a>, except that entries never end up in heap memory and get
stored in offheap memory right away.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html#OFFHEAP_VALUES">OFFHEAP_VALUES</a></strong></code>
<div class="block">Entry keys will be stored on heap memory, and values will be stored in offheap memory.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html#ONHEAP_TIERED">ONHEAP_TIERED</a></strong></code>
<div class="block">Entries will be stored on-heap first.</div>
</td>
</tr>
</table>
</li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<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">&nbsp;</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>static <a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html#valueOf(java.lang.String)">valueOf</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
<div class="block">Returns the enum constant of this type with the specified name.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html#values()">values</a></strong>()</code>
<div class="block">Returns an array containing the constants of this enum type, in
the order they are declared.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods_inherited_from_class_java.lang.Enum">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#compareTo(E)" title="class or interface in java.lang">compareTo</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#getDeclaringClass()" title="class or interface in java.lang">getDeclaringClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#name()" title="class or interface in java.lang">name</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#ordinal()" title="class or interface in java.lang">ordinal</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Enum.html?is-external=true#valueOf(java.lang.Class,%20java.lang.String)" title="class or interface in java.lang">valueOf</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ============ ENUM CONSTANT DETAIL =========== -->
<ul class="blockList">
<li class="blockList"><a name="enum_constant_detail">
<!-- -->
</a>
<h3>Enum Constant Detail</h3>
<a name="ONHEAP_TIERED">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>ONHEAP_TIERED</h4>
<pre>public static final&nbsp;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a> ONHEAP_TIERED</pre>
<div class="block">Entries will be stored on-heap first. The onheap tiered storage works as follows:
<nl>
<li>Entries are cached on heap memory first.</li>
<li>
If offheap memory is enabled and eviction policy evicts an entry from heap memory, entry will
be moved to offheap memory. If offheap memory is disabled, then entry is simply discarded.
</li>
<li>
If swap space is enabled and offheap memory fills up, then entry will be evicted into swap space.
If swap space is disabled, then entry will be discarded. If swap is enabled and offheap memory
is disabled, then entry will be evicted directly from heap memory into swap.
</li>
</nl>
<p>
<b>Note</b> that heap memory evictions are handled by configured <a href="../../../../org/apache/ignite/cache/eviction/EvictionPolicy.html" title="interface in org.apache.ignite.cache.eviction"><code>EvictionPolicy</code></a>
implementation. By default, no eviction policy is enabled, so entries never leave heap
memory space unless explicitly removed.</div>
</li>
</ul>
<a name="OFFHEAP_TIERED">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>OFFHEAP_TIERED</h4>
<pre>public static final&nbsp;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a> OFFHEAP_TIERED</pre>
<div class="block">Works the same as <a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html#ONHEAP_TIERED"><code>ONHEAP_TIERED</code></a>, except that entries never end up in heap memory and get
stored in offheap memory right away. Entries get cached in offheap memory first and then
get evicted to swap, if one is configured.</div>
</li>
</ul>
<a name="OFFHEAP_VALUES">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>OFFHEAP_VALUES</h4>
<pre>public static final&nbsp;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a> OFFHEAP_VALUES</pre>
<div class="block">Entry keys will be stored on heap memory, and values will be stored in offheap memory. Note
that in this mode entries can be evicted only to swap. The evictions will happen according
to configured <a href="../../../../org/apache/ignite/cache/eviction/EvictionPolicy.html" title="interface in org.apache.ignite.cache.eviction"><code>EvictionPolicy</code></a>.
<p/>
Size returned by <a href="../../../../org/apache/ignite/cache/CachePeekMode.html#OFFHEAP"><code>CachePeekMode.OFFHEAP</code></a> is always zero, for this mode.</div>
</li>
</ul>
</li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method_detail">
<!-- -->
</a>
<h3>Method Detail</h3>
<a name="values()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>values</h4>
<pre>public static&nbsp;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a>[]&nbsp;values()</pre>
<div class="block">Returns an array containing the constants of this enum type, in
the order they are declared. This method may be used to iterate
over the constants as follows:
<pre>
for (CacheMemoryMode c : CacheMemoryMode.values())
&nbsp; System.out.println(c);
</pre></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>an array containing the constants of this enum type, in the order they are declared</dd></dl>
</li>
</ul>
<a name="valueOf(java.lang.String)">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>valueOf</h4>
<pre>public static&nbsp;<a href="../../../../org/apache/ignite/cache/CacheMemoryMode.html" title="enum in org.apache.ignite.cache">CacheMemoryMode</a>&nbsp;valueOf(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
<div class="block">Returns the enum constant of this type with the specified name.
The string must match <i>exactly</i> an identifier used to declare an
enum constant in this type. (Extraneous whitespace characters are
not permitted.)</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>name</code> - the name of the enum constant to be returned.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the enum constant with the specified name</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if this enum type has no constant with the specified name</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if the argument is null</dd></dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
<!-- ========= END OF CLASS DATA ========= -->
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<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 href="class-use/CacheMemoryMode.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 href="../../../../help-doc.html">Help</a></li>
</ul>
<div class="aboutLanguage"><em>Ignite - In-Memory Data Fabric</em></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../org/apache/ignite/cache/CacheManager.html" title="class in org.apache.ignite.cache"><span class="strong">Prev Class</span></a></li>
<li><a href="../../../../org/apache/ignite/cache/CacheMetrics.html" title="interface in org.apache.ignite.cache"><span class="strong">Next Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../index.html?org/apache/ignite/cache/CacheMemoryMode.html" target="_top">Frames</a></li>
<li><a href="CacheMemoryMode.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#enum_constant_summary">Enum Constants</a>&nbsp;|&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#method_summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li><a href="#enum_constant_detail">Enum Constants</a>&nbsp;|&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#method_detail">Method</a></li>
</ul>
</div>
<a name="skip-navbar_bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2015 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Fabric</b> </td> <td>:&nbsp;&nbsp; ver. <strong>1.7.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; August 1 2016 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
</body>
</html>