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https://github.com/fofolee/uTools-Manuals.git
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405 lines
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405 lines
18 KiB
HTML
<div class="header">
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<div class="subTitle">
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compact3
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</div>
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<div class="subTitle">
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javax.management
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</div>
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<h2 class="title" title="Class MBeanFeatureInfo">Class MBeanFeatureInfo</h2>
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</div><div class="contentContainer">
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<ul class="inheritance">
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<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<li>
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<ul class="inheritance">
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<li>javax.management.MBeanFeatureInfo</li>
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</ul> </li>
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</ul>
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<div class="description">
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<ul class="blockList">
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<li class="blockList">
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<dl>
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<dt>
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All Implemented Interfaces:
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</dt>
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<dd>
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<span><a href="../../java/io/Serializable.html" title="java.io中的接口">Serializable</a> ， <a href="../../javax/management/DescriptorRead.html" title="javax.management中的接口">DescriptorRead</a></span>
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</dd>
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</dl>
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<dl>
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<dt>
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已知直接子类：
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</dt>
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<dd>
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<span><a href="../../javax/management/MBeanAttributeInfo.html" title="javax.management中的类">MBeanAttributeInfo</a> ， <a href="../../javax/management/MBeanConstructorInfo.html" title="javax.management中的类">MBeanConstructorInfo</a> ， <a href="../../javax/management/MBeanNotificationInfo.html" title="javax.management中的类">MBeanNotificationInfo</a> ， <a href="../../javax/management/MBeanOperationInfo.html" title="javax.management中的类">MBeanOperationInfo</a> ， <a href="../../javax/management/MBeanParameterInfo.html" title="javax.management中的类">MBeanParameterInfo</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">MBeanFeatureInfo</span>
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extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a>
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implements <a href="../../java/io/Serializable.html" title="interface in java.io">Serializable</a>, <a href="../../javax/management/DescriptorRead.html" title="interface in javax.management">DescriptorRead</a></pre>
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<div class="block">
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<p> <span>提供一个MBean描述符对象的一般信息。</span> <span>所描述的特征可以是属性，操作，参数或通知。</span> <span>这个类的实例是不可变的。</span> <span>子类可能是可变的，但不建议这样做。</span> </p>
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</div>
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<dl>
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<dt>
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<span class="simpleTagLabel">从以下版本开始：</span>
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</dt>
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<dd>
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1.5
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../serialized-form.html#javax.management.MBeanFeatureInfo">Serialized Form</a>
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</dd>
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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<!-- =========== FIELD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="field.summary">
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<!-- --> </a> <h3>Field Summary</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Field Summary table, listing fields, and an explanation">
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<caption>
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<span>Fields</span>
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<span class="tabEnd"> </span>
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</caption>
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<tbody>
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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">Field and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#description">description</a></span></code>
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<div class="block">
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该功能的人性化描述。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#name">name</a></span></code>
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<div class="block">
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功能的名称。
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</div> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="constructor.summary">
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<!-- --> </a> <h3>构造方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption>
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<span>构造方法</span>
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<span class="tabEnd"> </span>
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</caption>
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<tbody>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#MBeanFeatureInfo-java.lang.String-java.lang.String-">MBeanFeatureInfo</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> name, <a href="../../java/lang/String.html" title="class in java.lang">String</a> description)</code>
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<div class="block">
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构造一个
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<code>MBeanFeatureInfo</code>对象。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#MBeanFeatureInfo-java.lang.String-java.lang.String-javax.management.Descriptor-">MBeanFeatureInfo</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> name, <a href="../../java/lang/String.html" title="class in java.lang">String</a> description, <a href="../../javax/management/Descriptor.html" title="interface in javax.management">Descriptor</a> descriptor)</code>
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<div class="block">
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构造一个
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<code>MBeanFeatureInfo</code>对象。
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</div> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul>
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<!-- ========== METHOD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.summary">
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
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</caption>
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<tbody>
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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">Method and Description</th>
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</tr>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#equals-java.lang.Object-">equals</a></span>(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> o)</code>
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<div class="block">
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将此MBeanFeatureInfo与另一个进行比较。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code><a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#getDescription--">getDescription</a></span>()</code>
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<div class="block">
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返回该功能的可读描述。
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code><a href="../../javax/management/Descriptor.html" title="interface in javax.management">Descriptor</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#getDescriptor--">getDescriptor</a></span>()</code>
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<div class="block">
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返回该特征的描述符。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code><a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#getName--">getName</a></span>()</code>
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<div class="block">
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返回功能的名称。
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</div> </td>
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</tr>
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<tr class="altColor" id="i4">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/MBeanFeatureInfo.html#hashCode--">hashCode</a></span>()</code>
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<div class="block">
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返回对象的哈希码值。
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</div> </td>
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</tr>
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</tbody>
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</table>
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<ul class="blockList">
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<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
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<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../java/lang/Object.html#clone--">clone</a>, <a href="../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../java/lang/Object.html#notify--">notify</a>, <a href="../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../java/lang/Object.html#toString--">toString</a>, <a href="../../java/lang/Object.html#wait--">wait</a>, <a href="../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../java/lang/Object.html#wait-long-int-">wait</a></code></li>
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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<ul class="blockList">
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<li class="blockList">
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<!-- ============ FIELD DETAIL =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="field.detail">
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<!-- --> </a> <h3>字段详细信息</h3> <a name="name">
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<ul class="blockList">
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<li class="blockList"> <h4>name</h4> <pre>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a> name</pre>
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<div class="block">
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<span>功能的名称。</span>
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<span>建议子类调用<a href="../../javax/management/MBeanFeatureInfo.html#getName--"><code>getName()</code></a>而不是读这个字段，而不是改变它。</span>
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</div> </li>
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</ul> <a name="description">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>description</h4> <pre>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a> description</pre>
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<div class="block">
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<span>该功能的人性化描述。</span>
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<span>建议子类调用<a href="../../javax/management/MBeanFeatureInfo.html#getDescription--"><code>getDescription()</code></a>而不是读取该字段，而不改变它。</span>
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</div> </li>
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</ul> </li>
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</ul>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="constructor.detail">
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<!-- --> </a> <h3>构造方法详细信息</h3> <a name="MBeanFeatureInfo-java.lang.String-java.lang.String-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>MBeanFeatureInfo</h4> <pre>public MBeanFeatureInfo(<a href="../../java/lang/String.html" title="class in java.lang">String</a> name,
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<a href="../../java/lang/String.html" title="class in java.lang">String</a> description)</pre>
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<div class="block">
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<span>构造一个<code>MBeanFeatureInfo</code>对象。</span>
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<span>此构造函数相当于<code>MBeanFeatureInfo(name, description, (Descriptor) null</code> 。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>name</code> - 功能的名称。
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</dd>
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<dd>
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<code>description</code> - 该功能的人类可读描述。
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</dd>
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</dl> </li>
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</ul> <a name="MBeanFeatureInfo-java.lang.String-java.lang.String-javax.management.Descriptor-">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>MBeanFeatureInfo</h4> <pre>public MBeanFeatureInfo(<a href="../../java/lang/String.html" title="class in java.lang">String</a> name,
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<a href="../../java/lang/String.html" title="class in java.lang">String</a> description,
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<a href="../../javax/management/Descriptor.html" title="interface in javax.management">Descriptor</a> descriptor)</pre>
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<div class="block">
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构造一个
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<code>MBeanFeatureInfo</code>对象。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>name</code> - 功能的名称。
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</dd>
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<dd>
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<code>description</code> - 该功能的人类可读描述。
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</dd>
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<dd>
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<span><code>descriptor</code> - 该功能的描述符。</span>
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<span>这可能是空的，这相当于空描述符。</span>
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</dd>
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<dt>
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<span class="simpleTagLabel">从以下版本开始：</span>
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</dt>
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<dd>
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1.6
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</dd>
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</dl> </li>
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</ul> </li>
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</ul>
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<!-- ============ METHOD DETAIL ========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="getName--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getName</h4> <pre>public <a href="../../java/lang/String.html" title="class in java.lang">String</a> getName()</pre>
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<div class="block">
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返回功能的名称。
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</div>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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功能的名称。
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</dd>
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</dl> </li>
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</ul> <a name="getDescription--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getDescription</h4> <pre>public <a href="../../java/lang/String.html" title="class in java.lang">String</a> getDescription()</pre>
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<div class="block">
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返回该功能的可读描述。
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</div>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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人性化的描述功能。
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</dd>
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</dl> </li>
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</ul> <a name="getDescriptor--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getDescriptor</h4> <pre>public <a href="../../javax/management/Descriptor.html" title="interface in javax.management">Descriptor</a> getDescriptor()</pre>
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<div class="block">
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<span>返回该特征的描述符。</span>
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<span>更改返回值将对原始描述符没有影响。</span>
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</div>
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<dl>
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<dt>
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<span class="overrideSpecifyLabel">Specified by:</span>
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</dt>
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<dd>
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<code><a href="../../javax/management/DescriptorRead.html#getDescriptor--">getDescriptor</a></code>在界面
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<code><a href="../../javax/management/DescriptorRead.html" title="interface in javax.management">DescriptorRead</a></code>
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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一个描述符是不可变的或原件的副本。
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</dd>
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<dt>
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<span class="simpleTagLabel">从以下版本开始：</span>
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</dt>
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<dd>
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1.6
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</dd>
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</dl> </li>
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</ul> <a name="equals-java.lang.Object-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>equals</h4> <pre>public boolean equals(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> o)</pre>
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<div class="block">
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将此MBeanFeatureInfo与另一个进行比较。
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</div>
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<dl>
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<dt>
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<span class="overrideSpecifyLabel">重写：</span>
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</dt>
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<dd>
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<code><a href="../../java/lang/Object.html#equals-java.lang.Object-">equals</a></code>在
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<code><a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code>
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</dd>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>o</code> - 要比较的对象。
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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当且仅当
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<code>o</code>是MBeanFeatureInfo使得其
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<a href="../../javax/management/MBeanFeatureInfo.html#getName--"><code>getName()</code></a> ，
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<a href="../../javax/management/MBeanFeatureInfo.html#getDescription--"><code>getDescription()</code></a>和
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<a href="../../javax/management/MBeanFeatureInfo.html#getDescriptor--"><code>getDescriptor()</code></a>值相等（不一定相同），以与本MBeanFeatureInfo的。
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<span><a href="../../java/lang/Object.html#hashCode--"><code>Object.hashCode()</code></a> ， <a href="../../java/util/HashMap.html" title="java.util中的类"><code>HashMap</code></a></span>
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</dd>
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</dl> </li>
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</ul> <a name="hashCode--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>hashCode</h4> <pre>public int hashCode()</pre>
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<div class="block">
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<span class="descfrmTypeLabel">描述从类别复制： <code><a href="../../java/lang/Object.html#hashCode--">Object</a></code></span>
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</div>
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<div class="block">
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<span>返回对象的哈希码值。</span>
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<span>支持这种方法有利于哈希表，如<a href="../../java/util/HashMap.html" title="java.util中的类"><code>HashMap</code></a>提供的<a href="../../java/util/HashMap.html" title="java.util中的类">那样</a> 。</span>
|
||
<p> <span><code>hashCode</code>的总合同是：</span> </p>
|
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<ul>
|
||
<li> <span>无论何时在执行Java应用程序时多次在同一个对象上调用该方法， <code>hashCode</code>方法必须始终返回相同的整数，前提是修改了对象中<code>equals</code>比较中没有使用的<code>equals</code> 。</span> <span>该整数不需要从一个应用程序的执行到相同应用程序的另一个执行保持一致。</span> </li>
|
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<li> <span>如果根据<code>equals(Object)</code>方法两个对象相等，则在两个对象中的每个对象上调用<code>hashCode</code>方法必须产生相同的整数结果。</span> </li>
|
||
<li> <span><em>不</em>要求如果两个对象根据<a href="../../java/lang/Object.html#equals-java.lang.Object-"><code>Object.equals(java.lang.Object)</code></a>方法不相等，那么在两个对象中的每个对象上调用<code>hashCode</code>方法必须产生不同的整数结果。</span> <span>但是，程序员应该意识到，为不等对象生成不同的整数结果可能会提高哈希表的性能。</span> </li>
|
||
</ul>
|
||
<p> <span>尽可能合理实用，由类<code>Object</code>定义的hashCode方法确实为不同对象返回不同的整数。</span> <span>（这通常通过将对象的内部地址转换为整数来实现，但Java的编程语言不需要此实现技术。）</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="overrideSpecifyLabel">重写：</span>
|
||
</dt>
|
||
<dd>
|
||
<code><a href="../../java/lang/Object.html#hashCode--">hashCode</a></code>在
|
||
<code><a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code>
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
该对象的哈希码值。
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../java/lang/Object.html#equals-java.lang.Object-"><code>Object.equals(java.lang.Object)</code></a> ，
|
||
<a href="../../java/lang/System.html#identityHashCode-java.lang.Object-"><code>System.identityHashCode(java.lang.Object)</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> </li>
|
||
</ul> </li>
|
||
</ul>
|
||
</div>
|
||
</div> |