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Yasuhiro KIMURA
347 lines
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<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.sleepycat.util</a></div>
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<h2 title="Class ClassResolver" class="title">Class ClassResolver</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="typeNameLabel">ClassResolver</span>
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extends java.lang.Object</pre>
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<div class="block">Implements policies for loading user-supplied classes. The <a href="#resolveClass-java.lang.String-java.lang.ClassLoader-"><code>resolveClass(java.lang.String, java.lang.ClassLoader)</code></a> method should be used to load all user-supplied classes, and
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the <a href="ClassResolver.Stream.html" title="class in com.sleepycat.util"><code>ClassResolver.Stream</code></a> class should be used as a replacement for
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ObjectInputStream to deserialize instances of user-supplied classes.
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<p>
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The ClassLoader specified as a param should be the one configured using
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EnvironmentConfig.setClassLoader. This loader is used, if non-null. If the
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loader param is null, but a non-null thread-context loader is available, the
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latter is used. If the loader param and thread-context loader are both
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null, or if they fail to load a class by throwing ClassNotFoundException,
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then the default Java mechanisms for determining the class loader are used.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Class</th>
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<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
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<td class="colFirst"><code>static class </code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ClassResolver.Stream.html" title="class in com.sleepycat.util">ClassResolver.Stream</a></span></code></th>
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<td class="colLast">
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<div class="block">A specialized ObjectInputStream that supports use of a user-specified
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ClassLoader.</div>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#ClassResolver--">ClassResolver</a></span>()</code></th>
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<td class="colLast"> </td>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>static java.lang.Class</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resolveClass-java.lang.String-java.lang.ClassLoader-">resolveClass</a></span>​(java.lang.String className,
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java.lang.ClassLoader classLoader)</code></th>
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<td class="colLast">
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<div class="block">A specialized Class.forName method that supports use of a user-specified
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ClassLoader.</div>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>ClassResolver</h4>
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<pre>public ClassResolver()</pre>
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<h4>resolveClass</h4>
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<pre class="methodSignature">public static java.lang.Class resolveClass​(java.lang.String className,
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java.lang.ClassLoader classLoader)
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throws java.lang.ClassNotFoundException</pre>
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<div class="block">A specialized Class.forName method that supports use of a user-specified
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ClassLoader.
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If the loader param and thread-context loader are both null, of if they
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throw ClassNotFoundException, then Class.forName is called and the
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"current loader" (the one used to load JE) will be used.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>className</code> - the class name.</dd>
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<dd><code>classLoader</code> - the ClassLoader.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the Class.</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code>java.lang.ClassNotFoundException</code> - if the class is not found.</dd>
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<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
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