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| <h2 title="Interface JavaClassLoader" class="title">Interface JavaClassLoader</h2> |
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| <pre>public interface <span class="typeNameLabel">JavaClassLoader</span></pre> |
| <div class="block"><p>Represents an internal ClassLoader structure within a Java VM instance. |
| For most ClassLoaders there is a corresponding <code>java.lang.ClassLoader</code> |
| object within with JavaRuntime. For primordial class loaders such as |
| the bootstrap class loader, there may or may not be a corresponding |
| <code>java.lang.ClassLoader</code> instance.</p> |
| |
| <p>Since Java does not define any strict inheritance structure between |
| class loaders, there are no APIs for inspecting 'child' or 'parent' |
| class loaders. This information may be inferred by inspecting the |
| corresponding <code>java.lang.ClassLoader</code> instance.</p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" target="_blank" title="class or interface in java.lang"><code>ClassLoader</code></a></dd> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaClassLoader.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a> obj)</code> |
| <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> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../com/ibm/dtfj/java/JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaClassLoader.html#findClass-java.lang.String-">findClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" target="_blank" title="class or interface in java.lang">String</a> name)</code> |
| <div class="block">Find a named class within this class loader.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" target="_blank" title="class or interface in java.util">Iterator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaClassLoader.html#getCachedClasses--">getCachedClasses</a></span>()</code> |
| <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> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" target="_blank" title="class or interface in java.util">Iterator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaClassLoader.html#getDefinedClasses--">getDefinedClasses</a></span>()</code> |
| <div class="block">Get the set of classes which are defined in this JavaClassLoader.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../com/ibm/dtfj/java/JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaClassLoader.html#getObject--">getObject</a></span>()</code> |
| <div class="block">Get the java.lang.ClassLoader instance associated with this class loader.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/ibm/dtfj/java/JavaClassLoader.html#hashCode--">hashCode</a></span>()</code> |
| <div class="block">Answers an integer hash code for the receiver.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
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| <h4>getDefinedClasses</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" target="_blank" title="class or interface in java.util">Iterator</a> getDefinedClasses()</pre> |
| <div class="block">Get the set of classes which are defined in this JavaClassLoader.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an iterator over the collection of classes which are defined |
| in this JavaClassLoader</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../com/ibm/dtfj/java/JavaClass.html" title="interface in com.ibm.dtfj.java"><code>JavaClass</code></a>, |
| <a href="../../../../com/ibm/dtfj/image/CorruptData.html" title="interface in com.ibm.dtfj.image"><code>CorruptData</code></a></dd> |
| </dl> |
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| <h4>getCachedClasses</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" target="_blank" title="class or interface in java.util">Iterator</a> getCachedClasses()</pre> |
| <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> |
| <dt><span class="returnLabel">Returns:</span></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><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../com/ibm/dtfj/java/JavaClass.html" title="interface in com.ibm.dtfj.java"><code>JavaClass</code></a>, |
| <a href="../../../../com/ibm/dtfj/image/CorruptData.html" title="interface in com.ibm.dtfj.image"><code>CorruptData</code></a></dd> |
| </dl> |
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| </ul> |
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| <h4>findClass</h4> |
| <pre><a href="../../../../com/ibm/dtfj/java/JavaClass.html" title="interface in com.ibm.dtfj.java">JavaClass</a> findClass(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" target="_blank" title="class or interface in java.lang">String</a> name) |
| throws <a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre> |
| <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> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - of the class to find. Packages should be separated by |
| '/' instead of '.'</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the JavaClass instance, or null if it is not found</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getObject--"> |
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| <h4>getObject</h4> |
| <pre><a href="../../../../com/ibm/dtfj/java/JavaObject.html" title="interface in com.ibm.dtfj.java">JavaObject</a> getObject() |
| throws <a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></pre> |
| <div class="block">Get the java.lang.ClassLoader instance associated with this class loader.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></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><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../com/ibm/dtfj/image/CorruptDataException.html" title="class in com.ibm.dtfj.image">CorruptDataException</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../com/ibm/dtfj/java/JavaObject.html" title="interface in com.ibm.dtfj.java"><code>JavaObject</code></a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" target="_blank" title="class or interface in java.lang"><code>ClassLoader</code></a></dd> |
| </dl> |
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| <h4>equals</h4> |
| <pre>boolean equals(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a> obj)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">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> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>obj</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if the given object refers to the same Java Class Loader in the image</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang"><code>Object.hashCode()</code></a></dd> |
| </dl> |
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| <a name="hashCode--"> |
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| <h4>hashCode</h4> |
| <pre>int hashCode()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">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> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" target="_blank" title="class or interface in java.lang">Object</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the receiver's hash.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang"><code>Object.equals(java.lang.Object)</code></a></dd> |
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