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https://github.com/fofolee/uTools-Manuals.git
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320 lines
15 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 AttributeChangeNotification">Class AttributeChangeNotification</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><a href="../../java/util/EventObject.html" title="class in java.util">java.util.EventObject</a></li>
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<li>
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<ul class="inheritance">
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<li><a href="../../javax/management/Notification.html" title="class in javax.management">javax.management.Notification</a></li>
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<li>
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<ul class="inheritance">
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<li>javax.management.AttributeChangeNotification</li>
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</ul> </li>
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</ul> </li>
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</ul> </li>
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</ul>
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<div class="description">
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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></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">AttributeChangeNotification</span>
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extends <a href="../../javax/management/Notification.html" title="class in javax.management">Notification</a></pre>
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<div class="block">
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<span>提供MBean发送的属性更改通知的定义。</span>
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<p> <span>当属性更改发生时，由MBean拥有创建和发送属性更改通知的兴趣属性。</span> <span>所以<code>NotificationBroadcaster</code>接口必须由任何一个属性更改感兴趣的MBean来实现。</span> </p>
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<p> <span>示例：如果一个名为<code>myMbean</code>的MBean需要通知已注册的侦听器的属性：</span> </p>
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<blockquote>
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<span><code> String myString </code></span>
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</blockquote>
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<span>被修改， <code>myMbean</code>创建并发出以下通知：</span>
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<blockquote>
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<span><code> new AttributeChangeNotification(myMbean, sequenceNumber, timeStamp, msg, "myString", "String", oldValue, newValue); </code></span>
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</blockquote>
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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.AttributeChangeNotification">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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<ul class="blockList">
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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>static <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/AttributeChangeNotification.html#ATTRIBUTE_CHANGE">ATTRIBUTE_CHANGE</a></span></code>
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<div class="block">
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指示观察到的MBean属性值已更改的通知类型。
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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="fields.inherited.from.class.javax.management.Notification">
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<!-- --> </a> <h3>Fields inherited from class javax.management.<a href="../../javax/management/Notification.html" title="class in javax.management">Notification</a></h3> <code><a href="../../javax/management/Notification.html#source">source</a></code></li>
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</ul> </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/AttributeChangeNotification.html#AttributeChangeNotification-java.lang.Object-long-long-java.lang.String-java.lang.String-java.lang.String-java.lang.Object-java.lang.Object-">AttributeChangeNotification</a></span>(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> source, long sequenceNumber, long timeStamp, <a href="../../java/lang/String.html" title="class in java.lang">String</a> msg, <a href="../../java/lang/String.html" title="class in java.lang">String</a> attributeName, <a href="../../java/lang/String.html" title="class in java.lang">String</a> attributeType, <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> oldValue, <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> newValue)</code>
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<div class="block">
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构造属性更改通知对象。
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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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<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><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/AttributeChangeNotification.html#getAttributeName--">getAttributeName</a></span>()</code>
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<div class="block">
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获取已更改的属性的名称。
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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/AttributeChangeNotification.html#getAttributeType--">getAttributeType</a></span>()</code>
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<div class="block">
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获取已更改的属性的类型。
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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="../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/AttributeChangeNotification.html#getNewValue--">getNewValue</a></span>()</code>
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<div class="block">
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获取已更改的属性的新值。
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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/Object.html" title="class in java.lang">Object</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/management/AttributeChangeNotification.html#getOldValue--">getOldValue</a></span>()</code>
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<div class="block">
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获取已更改的属性的旧值。
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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.javax.management.Notification">
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<!-- --> </a> <h3>Methods inherited from class javax.management.<a href="../../javax/management/Notification.html" title="class in javax.management">Notification</a></h3> <code><a href="../../javax/management/Notification.html#getMessage--">getMessage</a>, <a href="../../javax/management/Notification.html#getSequenceNumber--">getSequenceNumber</a>, <a href="../../javax/management/Notification.html#getTimeStamp--">getTimeStamp</a>, <a href="../../javax/management/Notification.html#getType--">getType</a>, <a href="../../javax/management/Notification.html#getUserData--">getUserData</a>, <a href="../../javax/management/Notification.html#setSequenceNumber-long-">setSequenceNumber</a>, <a href="../../javax/management/Notification.html#setSource-java.lang.Object-">setSource</a>, <a href="../../javax/management/Notification.html#setTimeStamp-long-">setTimeStamp</a>, <a href="../../javax/management/Notification.html#setUserData-java.lang.Object-">setUserData</a>, <a href="../../javax/management/Notification.html#toString--">toString</a></code></li>
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</ul>
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<ul class="blockList">
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<li class="blockList"><a name="methods.inherited.from.class.java.util.EventObject">
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<!-- --> </a> <h3>Methods inherited from class java.util.<a href="../../java/util/EventObject.html" title="class in java.util">EventObject</a></h3> <code><a href="../../java/util/EventObject.html#getSource--">getSource</a></code></li>
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</ul>
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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#equals-java.lang.Object-">equals</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#hashCode--">hashCode</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#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="ATTRIBUTE_CHANGE">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>ATTRIBUTE_CHANGE</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> ATTRIBUTE_CHANGE</pre>
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<div class="block">
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<span>指示观察到的MBean属性值已更改的通知类型。</span>
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<br/>
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<span>此类型字符串的值为<code>jmx.attribute.change</code> 。</span>
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</div>
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<dl>
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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="../../constant-values.html#javax.management.AttributeChangeNotification.ATTRIBUTE_CHANGE">Constant Field Values</a>
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</dd>
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</dl> </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="AttributeChangeNotification-java.lang.Object-long-long-java.lang.String-java.lang.String-java.lang.String-java.lang.Object-java.lang.Object-">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>AttributeChangeNotification</h4> <pre>public AttributeChangeNotification(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> source,
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long sequenceNumber,
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long timeStamp,
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<a href="../../java/lang/String.html" title="class in java.lang">String</a> msg,
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<a href="../../java/lang/String.html" title="class in java.lang">String</a> attributeName,
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<a href="../../java/lang/String.html" title="class in java.lang">String</a> attributeType,
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<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> oldValue,
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<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> newValue)</pre>
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<div class="block">
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<span>构造属性更改通知对象。</span>
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<span>除了所有通知共同的信息外，呼叫者还必须提供属性的名称和类型，以及其旧的和新的值。</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>source</code> - 通知生成器，即该属性所属的MBean。
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</dd>
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<dd>
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<code>sequenceNumber</code> - 源对象内的通知序列号。
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</dd>
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<dd>
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<code>timeStamp</code> - 发送通知的日期。
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</dd>
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<dd>
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<code>msg</code> - 包含通知消息的字符串。
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</dd>
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<dd>
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<code>attributeName</code> - 给出属性名称的字符串。
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</dd>
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<dd>
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<code>attributeType</code> - 包含属性类型的字符串。
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</dd>
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<dd>
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<code>oldValue</code> - 表示更改前属性值的对象。
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</dd>
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<dd>
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<code>newValue</code> - 表示更改后属性值的对象。
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</dd>
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</dl> </li>
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</ul>
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<!-- ============ METHOD DETAIL ========== -->
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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="getAttributeName--">
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<ul class="blockList">
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<li class="blockList"> <h4>getAttributeName</h4> <pre>public <a href="../../java/lang/String.html" title="class in java.lang">String</a> getAttributeName()</pre>
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<div class="block">
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获取已更改的属性的名称。
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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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包含属性名称的字符串。
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</dd>
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</dl> </li>
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</ul> <a name="getAttributeType--">
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<li class="blockList"> <h4>getAttributeType</h4> <pre>public <a href="../../java/lang/String.html" title="class in java.lang">String</a> getAttributeType()</pre>
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<div class="block">
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获取已更改的属性的类型。
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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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包含属性类型的字符串。
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</dd>
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</dl> </li>
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</ul> <a name="getOldValue--">
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<ul class="blockList">
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<li class="blockList"> <h4>getOldValue</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> getOldValue()</pre>
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<div class="block">
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获取已更改的属性的旧值。
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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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包含该属性的旧值的对象。
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</dd>
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</dl> </li>
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</ul> <a name="getNewValue--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>getNewValue</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> getNewValue()</pre>
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<div class="block">
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获取已更改的属性的新值。
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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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包含该属性的新值的对象。
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</dd>
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</dl> </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> |