api/jdk16/openj9.sharedclasses/com/ibm/oti/shared/SharedClassCacheInfo.html - gerrit/www.eclipse.org/openj9/docs - Git at Google

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 <div class="sub-title"><span class="module-label-in-type">Module</span>&nbsp;<a href="../../../../module-summary.html">openj9.sharedclasses</a></div>
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">com.ibm.oti.shared</a></div>
 <h1 title="Class SharedClassCacheInfo" class="title">Class SharedClassCacheInfo</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a>
 <div class="inheritance">com.ibm.oti.shared.SharedClassCacheInfo</div>
 </div>
 <section class="description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">SharedClassCacheInfo</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></span></div>
 <div class="block">SharedClassCacheInfo stores information about a shared class cache and
  provides methods to retrieve that information.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field.summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>static int</code></div>
 <div class="col-second even-row-color"><code><span class="member-name-link"><a href="#ADDRESS_MODE_32">ADDRESS_MODE_32</a></span></code></div>
 <div class="col-last even-row-color">
 <div class="block">Specifies a 32-bit cache.</div>
 </div>
 <div class="col-first odd-row-color"><code>static int</code></div>
 <div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#ADDRESS_MODE_64">ADDRESS_MODE_64</a></span></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Specifies a 64-bit cache.</div>
 </div>
 <div class="col-first even-row-color"><code>static int</code></div>
 <div class="col-second even-row-color"><code><span class="member-name-link"><a href="#COMPRESSED_REFS">COMPRESSED_REFS</a></span></code></div>
 <div class="col-last even-row-color">
 <div class="block">Specifies a compressedRefs cache.</div>
 </div>
 <div class="col-first odd-row-color"><code>static int</code></div>
 <div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#COMPRESSED_REFS_UNKNOWN">COMPRESSED_REFS_UNKNOWN</a></span></code></div>
 <div class="col-last odd-row-color">
 <div class="block">The compressedRefs mode is unknown for the cache.</div>
 </div>
 <div class="col-first even-row-color"><code>static int</code></div>
 <div class="col-second even-row-color"><code><span class="member-name-link"><a href="#JVMLEVEL_JAVA5">JVMLEVEL_JAVA5</a></span></code></div>
 <div class="col-last even-row-color">
 <div class="block">Specifies a Java 5 cache.</div>
 </div>
 <div class="col-first odd-row-color"><code>static int</code></div>
 <div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#JVMLEVEL_JAVA6">JVMLEVEL_JAVA6</a></span></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Specifies a Java 6 cache.</div>
 </div>
 <div class="col-first even-row-color"><code>static int</code></div>
 <div class="col-second even-row-color"><code><span class="member-name-link"><a href="#JVMLEVEL_JAVA7">JVMLEVEL_JAVA7</a></span></code></div>
 <div class="col-last even-row-color">
 <div class="block">Specifies a Java 7 cache.</div>
 </div>
 <div class="col-first odd-row-color"><code>static int</code></div>
 <div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#JVMLEVEL_JAVA8">JVMLEVEL_JAVA8</a></span></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Specifies a Java 8 cache.</div>
 </div>
 <div class="col-first even-row-color"><code>static int</code></div>
 <div class="col-second even-row-color"><code><span class="member-name-link"><a href="#JVMLEVEL_JAVA9">JVMLEVEL_JAVA9</a></span></code></div>
 <div class="col-last even-row-color">
 <div class="block">Specifies a Java 9 cache.</div>
 </div>
 <div class="col-first odd-row-color"><code>static int</code></div>
 <div class="col-second odd-row-color"><code><span class="member-name-link"><a href="#NON_COMPRESSED_REFS">NON_COMPRESSED_REFS</a></span></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Specifies a non-compressedRefs cache.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method.summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button><button id="method-summary-table-tab6" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab6', 3)" class="table-tab">Deprecated Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheAddressMode()">getCacheAddressMode</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets the address mode for the shared class cache.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheCompressedRefsMode()">getCacheCompressedRefsMode</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Get the compressedRefs mode for the shared class cache.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>long</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheFreeBytes()">getCacheFreeBytes</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets the amount of free bytes in the shared class cache.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheJVMLevel()">getCacheJVMLevel</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets the JVM level for the shared class cache.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheLayer()">getCacheLayer</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Get the layer number for the shared class cache.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheName()">getCacheName</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets the cache name for the shared class cache.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>long</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheSize()">getCacheSize</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets total usable shared class cache size.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>long</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheSoftMaxBytes()">getCacheSoftMaxBytes</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Get the soft limit for available space in the cache in bytes.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getCacheType()">getCacheType</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Check the type of the shared class cache.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Date.html" title="class or interface in java.util" class="external-link" target="_blank">Date</a></code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getLastDetach()">getLastDetach</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets the time when the shared class cache was last detached.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getOSsemid()">getOSsemid</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets the OS semaphore ID associated with the shared class cache.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getOSshmid()">getOSshmid</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Gets the OS shared memory ID associated with the shared class cache.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#isCacheCompatible()">isCacheCompatible</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Checks the compatibility of the shared class cache with this JVM.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#isCacheCorrupt()">isCacheCorrupt</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Checks if the shared class cache is corrupt.</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab6 method-summary-table-tab4 method-summary-table"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab6 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#isCachePersistent()">isCachePersistent</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab6 method-summary-table-tab4 method-summary-table">
 <div class="block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use getCacheType() instead.</div>
 </div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field.detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="JVMLEVEL_JAVA5">
 <h3>JVMLEVEL_JAVA5</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">JVMLEVEL_JAVA5</span></div>
 <div class="block">Specifies a Java 5 cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA5">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="JVMLEVEL_JAVA6">
 <h3>JVMLEVEL_JAVA6</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">JVMLEVEL_JAVA6</span></div>
 <div class="block">Specifies a Java 6 cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA6">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="JVMLEVEL_JAVA7">
 <h3>JVMLEVEL_JAVA7</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">JVMLEVEL_JAVA7</span></div>
 <div class="block">Specifies a Java 7 cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA7">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="JVMLEVEL_JAVA8">
 <h3>JVMLEVEL_JAVA8</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">JVMLEVEL_JAVA8</span></div>
 <div class="block">Specifies a Java 8 cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA8">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="JVMLEVEL_JAVA9">
 <h3>JVMLEVEL_JAVA9</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">JVMLEVEL_JAVA9</span></div>
 <div class="block">Specifies a Java 9 cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.JVMLEVEL_JAVA9">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="ADDRESS_MODE_32">
 <h3>ADDRESS_MODE_32</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">ADDRESS_MODE_32</span></div>
 <div class="block">Specifies a 32-bit cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.ADDRESS_MODE_32">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="ADDRESS_MODE_64">
 <h3>ADDRESS_MODE_64</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">ADDRESS_MODE_64</span></div>
 <div class="block">Specifies a 64-bit cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.ADDRESS_MODE_64">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="COMPRESSED_REFS">
 <h3>COMPRESSED_REFS</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">COMPRESSED_REFS</span></div>
 <div class="block">Specifies a compressedRefs cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.COMPRESSED_REFS">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="NON_COMPRESSED_REFS">
 <h3>NON_COMPRESSED_REFS</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">NON_COMPRESSED_REFS</span></div>
 <div class="block">Specifies a non-compressedRefs cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.NON_COMPRESSED_REFS">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="COMPRESSED_REFS_UNKNOWN">
 <h3>COMPRESSED_REFS_UNKNOWN</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">COMPRESSED_REFS_UNKNOWN</span></div>
 <div class="block">The compressedRefs mode is unknown for the cache.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd><a href="../../../../../constant-values.html#com.ibm.oti.shared.SharedClassCacheInfo.COMPRESSED_REFS_UNKNOWN">Constant Field Values</a></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method.detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="getCacheName()">
 <h3>getCacheName</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></span>&nbsp;<span class="element-name">getCacheName</span>()</div>
 <div class="block">Gets the cache name for the shared class cache.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>Name of the shared class cache.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isCacheCompatible()">
 <h3>isCacheCompatible</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isCacheCompatible</span>()</div>
 <div class="block">Checks the compatibility of the shared class cache with this JVM.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>true if cache is compatible with this JVM, false otherwise.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isCachePersistent()">
 <h3>isCachePersistent</h3>
 <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link" target="_blank">@Deprecated</a>
 </span><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isCachePersistent</span>()</div>
 <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use getCacheType() instead.</div>
 </div>
 <div class="block">Checks if the shared class cache is persistent.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>true if cache is persistent, false otherwise.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheType()">
 <h3>getCacheType</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getCacheType</span>()</div>
 <div class="block">Check the type of the shared class cache.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>Either <a href="SharedClassUtilities.html#PERSISTENT"><code>SharedClassUtilities.PERSISTENT</code></a>,
                                 <a href="SharedClassUtilities.html#NONPERSISTENT"><code>SharedClassUtilities.NONPERSISTENT</code></a> or
                                 <a href="SharedClassUtilities.html#SNAPSHOT"><code>SharedClassUtilities.SNAPSHOT</code></a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getOSshmid()">
 <h3>getOSshmid</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getOSshmid</span>()</div>
 <div class="block">Gets the OS shared memory ID associated with the shared class cache.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>A valid value if cache is non-persistent and shared memory id is available, else -1.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getOSsemid()">
 <h3>getOSsemid</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getOSsemid</span>()</div>
 <div class="block">Gets the OS semaphore ID associated with the shared class cache.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>A valid value if cache is non-persistent and semaphore id is available, else -1.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getLastDetach()">
 <h3>getLastDetach</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Date.html" title="class or interface in java.util" class="external-link" target="_blank">Date</a></span>&nbsp;<span class="element-name">getLastDetach</span>()</div>
 <div class="block">Gets the time when the shared class cache was last detached.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>Date, or null if last detach time is not available.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheJVMLevel()">
 <h3>getCacheJVMLevel</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getCacheJVMLevel</span>()</div>
 <div class="block">Gets the JVM level for the shared class cache.
  Starting from Java 10, the JVM LEVEL equals to the java version number on which the share class cache is created.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>A JVMLEVEL constant.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheAddressMode()">
 <h3>getCacheAddressMode</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getCacheAddressMode</span>()</div>
 <div class="block">Gets the address mode for the shared class cache.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>Either <a href="#ADDRESS_MODE_32"><code>ADDRESS_MODE_32</code></a> or
                                 <a href="#ADDRESS_MODE_64"><code>ADDRESS_MODE_64</code></a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isCacheCorrupt()">
 <h3>isCacheCorrupt</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isCacheCorrupt</span>()</div>
 <div class="block">Checks if the shared class cache is corrupt.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>true if the cache is corrupt, false otherwise.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheSize()">
 <h3>getCacheSize</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">getCacheSize</span>()</div>
 <div class="block">Gets total usable shared class cache size. Returns -1 if cache is incompatible.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>Number of usable bytes in cache.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheFreeBytes()">
 <h3>getCacheFreeBytes</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">getCacheFreeBytes</span>()</div>
 <div class="block">Gets the amount of free bytes in the shared class cache. Returns -1 if cache is incompatible.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>long</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheSoftMaxBytes()">
 <h3>getCacheSoftMaxBytes</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">getCacheSoftMaxBytes</span>()</div>
 <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>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>long</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheCompressedRefsMode()">
 <h3>getCacheCompressedRefsMode</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getCacheCompressedRefsMode</span>()</div>
 <div class="block">Get the compressedRefs mode for the shared class cache.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>Either <a href="#COMPRESSED_REFS"><code>COMPRESSED_REFS</code></a> or
                                 <a href="#NON_COMPRESSED_REFS"><code>NON_COMPRESSED_REFS</code></a> or
                                 <a href="#COMPRESSED_REFS_UNKNOWN"><code>COMPRESSED_REFS_UNKNOWN</code></a></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getCacheLayer()">
 <h3>getCacheLayer</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">getCacheLayer</span>()</div>
 <div class="block">Get the layer number for the shared class cache.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>The shared cache layer number or -1 if the shared cache does not have a layer number</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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