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<h2 title="Class SharedClassCacheInfo" class="title">Class SharedClassCacheInfo</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">java.lang.Object</a></li>
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<li>com.ibm.oti.shared.SharedClassCacheInfo</li>
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<pre>public class <span class="typeNameLabel">SharedClassCacheInfo</span>
extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></pre>
<div class="block">SharedClassCacheInfo stores information about a shared class cache and
provides methods to retrieve that information.</div>
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<h3>Field Summary</h3>
<table class="memberSummary">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ADDRESS_MODE_32">ADDRESS_MODE_32</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a 32-bit cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ADDRESS_MODE_64">ADDRESS_MODE_64</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a 64-bit cache.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#COMPRESSED_REFS">COMPRESSED_REFS</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a compressedRefs cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#COMPRESSED_REFS_UNKNOWN">COMPRESSED_REFS_UNKNOWN</a></span></code></th>
<td class="colLast">
<div class="block">The compressedRefs mode is unknown for the cache.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#JVMLEVEL_JAVA5">JVMLEVEL_JAVA5</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a Java 5 cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#JVMLEVEL_JAVA6">JVMLEVEL_JAVA6</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a Java 6 cache.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#JVMLEVEL_JAVA7">JVMLEVEL_JAVA7</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a Java 7 cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#JVMLEVEL_JAVA8">JVMLEVEL_JAVA8</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a Java 8 cache.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#JVMLEVEL_JAVA9">JVMLEVEL_JAVA9</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a Java 9 cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#NON_COMPRESSED_REFS">NON_COMPRESSED_REFS</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a non-compressedRefs cache.</div>
</td>
</tr>
</table>
</li>
</ul>
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<h3>Method Summary</h3>
<table class="memberSummary">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheAddressMode()">getCacheAddressMode</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the address mode for the shared class cache.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheCompressedRefsMode()">getCacheCompressedRefsMode</a></span>()</code></th>
<td class="colLast">
<div class="block">Get the compressedRefs mode for the shared class cache.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheFreeBytes()">getCacheFreeBytes</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the amount of free bytes in the shared class cache.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheJVMLevel()">getCacheJVMLevel</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the JVM level for the shared class cache.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheLayer()">getCacheLayer</a></span>()</code></th>
<td class="colLast">
<div class="block">Get the layer number for the shared class cache.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheName()">getCacheName</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the cache name for the shared class cache.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheSize()">getCacheSize</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets total usable shared class cache size.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheSoftMaxBytes()">getCacheSoftMaxBytes</a></span>()</code></th>
<td class="colLast">
<div class="block">Get the soft limit for available space in the cache in bytes.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCacheType()">getCacheType</a></span>()</code></th>
<td class="colLast">
<div class="block">Check the type of the shared class cache.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Date.html?is-external=true" title="class or interface in java.util" class="externalLink" target="_blank">Date</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLastDetach()">getLastDetach</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the time when the shared class cache was last detached.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOSsemid()">getOSsemid</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the OS semaphore ID associated with the shared class cache.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOSshmid()">getOSshmid</a></span>()</code></th>
<td class="colLast">
<div class="block">Gets the OS shared memory ID associated with the shared class cache.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCacheCompatible()">isCacheCompatible</a></span>()</code></th>
<td class="colLast">
<div class="block">Checks the compatibility of the shared class cache with this JVM.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCacheCorrupt()">isCacheCorrupt</a></span>()</code></th>
<td class="colLast">
<div class="block">Checks if the shared class cache is corrupt.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCachePersistent()">isCachePersistent</a></span>()</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">Use getCacheType() instead.</div>
</div>
</td>
</tr>
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<h3>Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink" target="_blank">wait</a></code></li>
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<h4>JVMLEVEL_JAVA5</h4>
<pre>public static final&nbsp;int JVMLEVEL_JAVA5</pre>
<div class="block">Specifies a Java 5 cache.</div>
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<dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA5">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int JVMLEVEL_JAVA6</pre>
<div class="block">Specifies a Java 6 cache.</div>
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<dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA6">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int JVMLEVEL_JAVA7</pre>
<div class="block">Specifies a Java 7 cache.</div>
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<dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA7">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int JVMLEVEL_JAVA8</pre>
<div class="block">Specifies a Java 8 cache.</div>
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<dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA8">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int JVMLEVEL_JAVA9</pre>
<div class="block">Specifies a Java 9 cache.</div>
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<dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA9">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int ADDRESS_MODE_32</pre>
<div class="block">Specifies a 32-bit cache.</div>
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<dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.ADDRESS_MODE_32">Constant Field Values</a></dd>
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<h4>ADDRESS_MODE_64</h4>
<pre>public static final&nbsp;int ADDRESS_MODE_64</pre>
<div class="block">Specifies a 64-bit cache.</div>
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<pre>public static final&nbsp;int COMPRESSED_REFS</pre>
<div class="block">Specifies a compressedRefs cache.</div>
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<pre>public static final&nbsp;int NON_COMPRESSED_REFS</pre>
<div class="block">Specifies a non-compressedRefs cache.</div>
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<pre>public static final&nbsp;int COMPRESSED_REFS_UNKNOWN</pre>
<div class="block">The compressedRefs mode is unknown for the cache.</div>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">String</a>&nbsp;getCacheName()</pre>
<div class="block">Gets the cache name for the shared class cache.</div>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isCacheCompatible()</pre>
<div class="block">Checks the compatibility of the shared class cache with this JVM.</div>
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<div class="block">Checks if the shared class cache is persistent.</div>
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<pre class="methodSignature">public&nbsp;int&nbsp;getCacheType()</pre>
<div class="block">Check the type of the shared class cache.</div>
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<div class="block">Gets the OS shared memory ID associated with the shared class cache.</div>
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<div class="block">Gets the OS semaphore ID associated with the shared class cache.</div>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Date.html?is-external=true" title="class or interface in java.util" class="externalLink" target="_blank">Date</a>&nbsp;getLastDetach()</pre>
<div class="block">Gets the time when the shared class cache was last detached.</div>
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<pre class="methodSignature">public&nbsp;int&nbsp;getCacheJVMLevel()</pre>
<div class="block">Gets the JVM level for the shared class cache.
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<pre class="methodSignature">public&nbsp;int&nbsp;getCacheAddressMode()</pre>
<div class="block">Gets the address mode for the shared class cache.</div>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isCacheCorrupt()</pre>
<div class="block">Checks if the shared class cache is corrupt.</div>
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<pre class="methodSignature">public&nbsp;long&nbsp;getCacheSize()</pre>
<div class="block">Gets total usable shared class cache size. Returns -1 if cache is incompatible.</div>
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<pre class="methodSignature">public&nbsp;long&nbsp;getCacheFreeBytes()</pre>
<div class="block">Gets the amount of free bytes in the shared class cache. Returns -1 if cache is incompatible.</div>
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<pre class="methodSignature">public&nbsp;long&nbsp;getCacheSoftMaxBytes()</pre>
<div class="block">Get the soft limit for available space in the cache in bytes. Returns -1 if cache is incompatible or cache size if it is not set.</div>
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<pre class="methodSignature">public&nbsp;int&nbsp;getCacheCompressedRefsMode()</pre>
<div class="block">Get the compressedRefs mode for the shared class cache.</div>
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<a href="#NON_COMPRESSED_REFS"><code>NON_COMPRESSED_REFS</code></a> or
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<pre class="methodSignature">public&nbsp;int&nbsp;getCacheLayer()</pre>
<div class="block">Get the layer number for the shared class cache.</div>
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