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<div class="sub-title"><span class="module-label-in-type">Module</span>&nbsp;<a href="../../../../../module-summary.html">openj9.dtfj</a></div>
<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">com.ibm.dtfj.java.j9</a></div>
<h1 title="Class JavaClassLoader" class="title">Class JavaClassLoader</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.dtfj.java.j9.JavaClassLoader</div>
</div>
<section class="description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">JavaClassLoader</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>
implements <a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></span></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor.summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(com.ibm.dtfj.java.j9.JavaRuntime,com.ibm.dtfj.image.ImagePointer,com.ibm.dtfj.image.ImagePointer)">JavaClassLoader</a></span>&#8203;(<a href="JavaRuntime.html" title="class in com.ibm.dtfj.java.j9">JavaRuntime</a>&nbsp;runtime,
<a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a>&nbsp;id,
<a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a>&nbsp;obj)</code></div>
<div class="col-last even-row-color">&nbsp;</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></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>void</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="#addClassID(long)">addClassID</a></span>&#8203;(long&nbsp;id)</code></div>
<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</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="#equals(java.lang.Object)">equals</a></span>&#8203;(<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>&nbsp;obj)</code></div>
<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
<div class="block">Compares the argument to the receiver, and answers true
if they represent the <em>same</em> object using a class
specific comparison.</div>
</div>
<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></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="#findClass(java.lang.String)">findClass</a></span>&#8203;(<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>&nbsp;name)</code></div>
<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
<div class="block">Find a named class within this class loader.</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/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</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="#getCachedClasses()">getCachedClasses</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">When a ClassLoader successfully delegates a findClass() request to
another ClassLoader, the result of the delegation must be cached within
the internal structure so that the VM does not make repeated requests
for the same class.</div>
</div>
<div class="col-first even-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/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a></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="#getDefinedClasses()">getDefinedClasses</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 set of classes which are defined in this JavaClassLoader.</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="#getID()">getID</a></span>()</code></div>
<div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a></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="#getObject()">getObject</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 java.lang.ClassLoader instance associated with this class loader.</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="#hashCode()">hashCode</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">Answers an integer hash code for the receiver.</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">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor.detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(com.ibm.dtfj.java.j9.JavaRuntime,com.ibm.dtfj.image.ImagePointer,com.ibm.dtfj.image.ImagePointer)">
<h3>JavaClassLoader</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">JavaClassLoader</span>&#8203;<span class="parameters">(<a href="JavaRuntime.html" title="class in com.ibm.dtfj.java.j9">JavaRuntime</a>&nbsp;runtime,
<a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a>&nbsp;id,
<a href="../../image/ImagePointer.html" title="interface in com.ibm.dtfj.image">ImagePointer</a>&nbsp;obj)</span></div>
</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="getDefinedClasses()">
<h3>getDefinedClasses</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/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a></span>&nbsp;<span class="element-name">getDefinedClasses</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../JavaClassLoader.html#getDefinedClasses()">JavaClassLoader</a></code></span></div>
<div class="block">Get the set of classes which are defined in this JavaClassLoader.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../JavaClassLoader.html#getDefinedClasses()">getDefinedClasses</a></code>&nbsp;in interface&nbsp;<code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></dd>
<dt>Returns:</dt>
<dd>an iterator over the collection of classes which are defined
in this JavaClassLoader</dd>
<dt>See Also:</dt>
<dd><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java"><code>JavaClass</code></a>,
<a href="../../image/CorruptData.html" title="interface in com.ibm.dtfj.image"><code>CorruptData</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getCachedClasses()">
<h3>getCachedClasses</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/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a></span>&nbsp;<span class="element-name">getCachedClasses</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../JavaClassLoader.html#getCachedClasses()">JavaClassLoader</a></code></span></div>
<div class="block">When a ClassLoader successfully delegates a findClass() request to
another ClassLoader, the result of the delegation must be cached within
the internal structure so that the VM does not make repeated requests
for the same class.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../JavaClassLoader.html#getCachedClasses()">getCachedClasses</a></code>&nbsp;in interface&nbsp;<code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></dd>
<dt>Returns:</dt>
<dd>an iterator over the collection of classes which are defined
in this JavaClassLoader <i>or</i> which were found by delegation to
other JavaClassLoaders</dd>
<dt>See Also:</dt>
<dd><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java"><code>JavaClass</code></a>,
<a href="../../image/CorruptData.html" title="interface in com.ibm.dtfj.image"><code>CorruptData</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="findClass(java.lang.String)">
<h3>findClass</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></span>&nbsp;<span class="element-name">findClass</span>&#8203;<span class="parameters">(<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>&nbsp;name)</span>
throws <span class="exceptions"><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../JavaClassLoader.html#findClass(java.lang.String)">JavaClassLoader</a></code></span></div>
<div class="block">Find a named class within this class loader. The class may have been
defined in this class loader, or this class loader may have delegated
the load to another class loader and cached the result.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../JavaClassLoader.html#findClass(java.lang.String)">findClass</a></code>&nbsp;in interface&nbsp;<code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></dd>
<dt>Parameters:</dt>
<dd><code>name</code> - of the class to find. Packages should be separated by
'/' instead of '.'</dd>
<dt>Returns:</dt>
<dd>the JavaClass instance, or null if it is not found</dd>
<dt>Throws:</dt>
<dd><code><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getObject()">
<h3>getObject</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a></span>&nbsp;<span class="element-name">getObject</span>()
throws <span class="exceptions"><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../JavaClassLoader.html#getObject()">JavaClassLoader</a></code></span></div>
<div class="block">Get the java.lang.ClassLoader instance associated with this class loader.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../JavaClassLoader.html#getObject()">getObject</a></code>&nbsp;in interface&nbsp;<code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></dd>
<dt>Returns:</dt>
<dd>a JavaObject representing the java.lang.ClassLoader instance
associated with this class loader, or null if there is no Java class
loader associated with this low-level class loader.</dd>
<dt>Throws:</dt>
<dd><code><a href="../../image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd>
<dt>See Also:</dt>
<dd><a href="../JavaObject.html" title="interface in com.ibm.dtfj.java"><code>JavaObject</code></a>,
<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/ClassLoader.html" title="class or interface in java.lang" class="external-link" target="_blank"><code>ClassLoader</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getID()">
<h3>getID</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name">getID</span>()</div>
</section>
</li>
<li>
<section class="detail" id="addClassID(long)">
<h3>addClassID</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addClassID</span>&#8203;<span class="parameters">(long&nbsp;id)</span></div>
</section>
</li>
<li>
<section class="detail" id="equals(java.lang.Object)">
<h3>equals</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">equals</span>&#8203;<span class="parameters">(<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>&nbsp;obj)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><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">java.lang.Object</a></code></span></div>
<div class="block">Compares the argument to the receiver, and answers true
if they represent the <em>same</em> object using a class
specific comparison. The implementation in Object answers
true only if the argument is the exact same object as the
receiver (==).</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../JavaClassLoader.html#equals(java.lang.Object)">equals</a></code>&nbsp;in interface&nbsp;<code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></dd>
<dt>Overrides:</dt>
<dd><code><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></code>&nbsp;in class&nbsp;<code><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></code></dd>
<dt>Parameters:</dt>
<dd><code>obj</code> - Object
the object to compare with this object.</dd>
<dt>Returns:</dt>
<dd>boolean
<code>true</code>
if the object is the same as this object
<code>false</code>
if it is different from this object.</dd>
<dt>See Also:</dt>
<dd><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"><code>Object.hashCode()</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="hashCode()">
<h3>hashCode</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">hashCode</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><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">java.lang.Object</a></code></span></div>
<div class="block">Answers an integer hash code for the receiver. Any two
objects which answer <code>true</code> when passed to
<code>.equals</code> must answer the same value for this
method.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../JavaClassLoader.html#hashCode()">hashCode</a></code>&nbsp;in interface&nbsp;<code><a href="../JavaClassLoader.html" title="interface in com.ibm.dtfj.java">JavaClassLoader</a></code></dd>
<dt>Overrides:</dt>
<dd><code><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></code>&nbsp;in class&nbsp;<code><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></code></dd>
<dt>Returns:</dt>
<dd>the receiver's hash.</dd>
<dt>See Also:</dt>
<dd><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"><code>Object.equals(java.lang.Object)</code></a></dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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