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<div class="header">
<div class="subTitle">
compact3
</div>
<div class="subTitle">
javax.management.timer
</div>
<h2 class="title" title="Class Timer">Class Timer</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../javax/management/NotificationBroadcasterSupport.html" title="class in javax.management">javax.management.NotificationBroadcasterSupport</a></li>
<li>
<ul class="inheritance">
<li>javax.management.timer.Timer</li>
</ul> </li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>
All Implemented Interfaces:
</dt>
<dd>
<span><a href="../../../javax/management/MBeanRegistration.html" title="javax.management中的接口">MBeanRegistration</a> ， <a href="../../../javax/management/NotificationBroadcaster.html" title="javax.management中的接口">NotificationBroadcaster</a> ， <a href="../../../javax/management/NotificationEmitter.html" title="javax.management中的接口">NotificationEmitter</a> ， <a href="../../../javax/management/timer/TimerMBean.html" title="javax.management.timer中的接口">TimerMBean</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public class <span class="typeNameLabel">Timer</span>
extends <a href="../../../javax/management/NotificationBroadcasterSupport.html" title="class in javax.management">NotificationBroadcasterSupport</a>
implements <a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a>, <a href="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</a></pre>
<div class="block">
<span>提供定时器MBean的实现。</span>
<span>定时器MBean在指定的时间发出警报，唤醒所有注册的收听者接收定时器通知。</span>
<p> <span>该类管理日期计时器通知的列表。</span> <span>一种方法允许用户根据需要添加/删除尽可能多的通知。</span> <span>当定时器发出定时器通知并变得过时时，它将自动从定时器通知列表中移除。</span> <br/> <span>额外的定时器通知可以添加到定期重复的通知中。</span> </p>
<p> <span>注意：</span> </p>
<ol>
<li> <span>当发送定时器通知时，定时器更新通知序列号，而不管通知类型如何。</span> </li>
<li> <span>计时器服务依赖于装载<code>Timer</code>类的主机的系统日期。</span> <span>如果主机具有不同的系统日期，侦听器可能会收到不及时的通知。</span> <span>为了避免这种问题，请同步需要时间的所有主机的系统日期。</span> </li>
<li> <span>定期通知的默认行为是<i>固定延迟执行</i> ，如<code>Timer</code>中<a href="../../../java/util/Timer.html" title="java.util中的类">所述</a> 。</span> <span>为了使用<i>固定速率执行</i> ，请使用过载的<a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-boolean-"><code>addNotification(String, String, Object, Date, long, long, boolean)</code></a>方法。</span> </li>
<li> <span>通知侦听器可能全部在同一个线程中执行。</span> <span>因此，应该迅速执行，避免阻止其他听众或扰乱固定延期执行的规律性。</span> <span>参见<a href="../../../javax/management/NotificationBroadcasterSupport.html" title="javax.management中的类"><code>NotificationBroadcasterSupport</code></a> 。</span> </li>
</ol>
</div>
<dl>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
1.5
</dd>
</dl> </li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- =========== FIELD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.summary">
<!-- --> </a> <h3>Field Summary</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Field Summary table, listing fields, and an explanation">
<caption>
<span>Fields</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#ONE_DAY">ONE_DAY</a></span></code>
<div class="block">
一天中的毫秒数。
</div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#ONE_HOUR">ONE_HOUR</a></span></code>
<div class="block">
一小时内的毫秒数。
</div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#ONE_MINUTE">ONE_MINUTE</a></span></code>
<div class="block">
一分钟内的毫秒数。
</div> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#ONE_SECOND">ONE_SECOND</a></span></code>
<div class="block">
一秒钟的毫秒数。
</div> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#ONE_WEEK">ONE_WEEK</a></span></code>
<div class="block">
一周内的毫秒数。
</div> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- --> </a> <h3>构造方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#Timer--">Timer</a></span>()</code>
<div class="block">
默认构造函数。
</div> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- --> </a> <h3>方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code><a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-">addNotification</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> message, <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData, <a href="../../../java/util/Date.html" title="class in java.util">Date</a> date)</code>
<div class="block">
创建具有
<code>type</code>
<code>message</code>和
<code>userData</code>的新计时器通知，
<code>message</code>其插入具有给定日期的通知列表，并显示空值和出现次数。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code><a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-">addNotification</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> message, <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData, <a href="../../../java/util/Date.html" title="class in java.util">Date</a> date, long period)</code>
<div class="block">
创建具有
<code>type</code>
<code>message</code>和
<code>userData</code>的新定时器通知，
<code>message</code>其插入具有给定日期和期间的通知列表以及零次出现次数。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-">addNotification</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> message, <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData, <a href="../../../java/util/Date.html" title="class in java.util">Date</a> date, long period, long nbOccurences)</code>
<div class="block">
创建具有指定的新计时器通知
<code>type</code> ，
<code>message</code>和
<code>userData</code>并将其插入到与事件的定日期，时段和数量的通知列表中。
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code><a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-boolean-">addNotification</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> message, <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData, <a href="../../../java/util/Date.html" title="class in java.util">Date</a> date, long period, long nbOccurences, boolean fixedRate)</code>
<div class="block">
创建具有指定的新计时器通知
<code>type</code> ，
<code>message</code>和
<code>userData</code>并将其插入到与事件的定日期，时段和数量的通知列表中。
</div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code><a href="../../../java/util/Vector.html" title="class in java.util">Vector</a>&lt;<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getAllNotificationIDs--">getAllNotificationIDs</a></span>()</code>
<div class="block">
获取注册到通知列表中的所有定时器通知标识符。
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code><a href="../../../java/util/Date.html" title="class in java.util">Date</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getDate-java.lang.Integer-">getDate</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
获取与定时器通知相关联的日期的副本。
</div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code><a href="../../../java/lang/Boolean.html" title="class in java.lang">Boolean</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getFixedRate-java.lang.Integer-">getFixedRate</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
获取标志的副本，指示是定期通知是以
<i>固定延迟</i>还是
<i>固定速率执行</i> 。
</div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getNbNotifications--">getNbNotifications</a></span>()</code>
<div class="block">
获取注册到通知列表中的定时器通知的数量。
</div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code><a href="../../../java/lang/Long.html" title="class in java.lang">Long</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getNbOccurences-java.lang.Integer-">getNbOccurences</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
获取与定时器通知相关联的剩余发生次数的副本。
</div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code><a href="../../../java/util/Vector.html" title="class in java.util">Vector</a>&lt;<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getNotificationIDs-java.lang.String-">getNotificationIDs</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type)</code>
<div class="block">
获取与指定类型相对应的定时器通知的所有标识符。
</div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code><a href="../../../javax/management/MBeanNotificationInfo.html" title="class in javax.management">MBeanNotificationInfo</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getNotificationInfo--">getNotificationInfo</a></span>()</code>
<div class="block">
返回一个数组，指示MBean可能发送的每个通知，通知的Java类的名称和通知类型。
</div> </td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code><a href="../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getNotificationMessage-java.lang.Integer-">getNotificationMessage</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
获取与指定标识符相对应的定时器通知详细消息。
</div> </td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code><a href="../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getNotificationType-java.lang.Integer-">getNotificationType</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
获取与指定标识符对应的定时器通知类型。
</div> </td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getNotificationUserData-java.lang.Integer-">getNotificationUserData</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
获取与指定标识符相对应的定时器通知用户数据对象。
</div> </td>
</tr>
<tr class="altColor" id="i14">
<td class="colFirst"><code><a href="../../../java/lang/Long.html" title="class in java.lang">Long</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getPeriod-java.lang.Integer-">getPeriod</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
获取与定时器通知相关联的周期（以毫秒为单位）的副本。
</div> </td>
</tr>
<tr class="rowColor" id="i15">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#getSendPastNotifications--">getSendPastNotifications</a></span>()</code>
<div class="block">
获取指示定时器是否发送过去通知的标志。
</div> </td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#isActive--">isActive</a></span>()</code>
<div class="block">
测试定时器MBean是否处于活动状态。
</div> </td>
</tr>
<tr class="rowColor" id="i17">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#isEmpty--">isEmpty</a></span>()</code>
<div class="block">
测试定时器通知的列表是否为空。
</div> </td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#postDeregister--">postDeregister</a></span>()</code>
<div class="block">
允许计时器MBean在MBean服务器取消注册后执行所需的操作。
</div> </td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#postRegister-java.lang.Boolean-">postRegister</a></span>(<a href="../../../java/lang/Boolean.html" title="class in java.lang">Boolean</a> registrationDone)</code>
<div class="block">
允许定时器MBean在MBean服务器中注册或注册失败后执行所需的操作。
</div> </td>
</tr>
<tr class="altColor" id="i20">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#preDeregister--">preDeregister</a></span>()</code>
<div class="block">
允许计时器MBean在MBean服务器取消注册之前执行所需的任何操作。
</div> </td>
</tr>
<tr class="rowColor" id="i21">
<td class="colFirst"><code><a href="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#preRegister-javax.management.MBeanServer-javax.management.ObjectName-">preRegister</a></span>(<a href="../../../javax/management/MBeanServer.html" title="interface in javax.management">MBeanServer</a> server, <a href="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</a> name)</code>
<div class="block">
允许计时器MBean在MBean服务器中注册之前执行所需的任何操作。
</div> </td>
</tr>
<tr class="altColor" id="i22">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#removeAllNotifications--">removeAllNotifications</a></span>()</code>
<div class="block">
从通知列表中删除所有定时器通知，并重置用于更新计时器通知标识符的计数器。
</div> </td>
</tr>
<tr class="rowColor" id="i23">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#removeNotification-java.lang.Integer-">removeNotification</a></span>(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</code>
<div class="block">
从通知列表中删除与指定标识符相对应的定时器通知。
</div> </td>
</tr>
<tr class="altColor" id="i24">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#removeNotifications-java.lang.String-">removeNotifications</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type)</code>
<div class="block">
从通知列表中删除与指定类型对应的所有定时器通知。
</div> </td>
</tr>
<tr class="rowColor" id="i25">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#setSendPastNotifications-boolean-">setSendPastNotifications</a></span>(boolean value)</code>
<div class="block">
设置指示定时器是否发送过去通知的标志。
</div> </td>
</tr>
<tr class="altColor" id="i26">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#start--">start</a></span>()</code>
<div class="block">
启动计时器。
</div> </td>
</tr>
<tr class="rowColor" id="i27">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/management/timer/Timer.html#stop--">stop</a></span>()</code>
<div class="block">
停止定时器
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.javax.management.NotificationBroadcasterSupport">
<!-- --> </a> <h3>Methods inherited from class javax.management.<a href="../../../javax/management/NotificationBroadcasterSupport.html" title="class in javax.management">NotificationBroadcasterSupport</a></h3> <code><a href="../../../javax/management/NotificationBroadcasterSupport.html#addNotificationListener-javax.management.NotificationListener-javax.management.NotificationFilter-java.lang.Object-">addNotificationListener</a>, <a href="../../../javax/management/NotificationBroadcasterSupport.html#handleNotification-javax.management.NotificationListener-javax.management.Notification-java.lang.Object-">handleNotification</a>, <a href="../../../javax/management/NotificationBroadcasterSupport.html#removeNotificationListener-javax.management.NotificationListener-">removeNotificationListener</a>, <a href="../../../javax/management/NotificationBroadcasterSupport.html#removeNotificationListener-javax.management.NotificationListener-javax.management.NotificationFilter-java.lang.Object-">removeNotificationListener</a>, <a href="../../../javax/management/NotificationBroadcasterSupport.html#sendNotification-javax.management.Notification-">sendNotification</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- --> </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#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>
</ul> </li>
</ul> </li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ============ FIELD DETAIL =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.detail">
<!-- --> </a> <h3>字段详细信息</h3> <a name="ONE_SECOND">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>ONE_SECOND</h4> <pre>public static final long ONE_SECOND</pre>
<div class="block">
<span>一秒钟的毫秒数。</span>
<span><code>addNotification</code>方法有用常数。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../constant-values.html#javax.management.timer.Timer.ONE_SECOND">Constant Field Values</a>
</dd>
</dl> </li>
</ul> <a name="ONE_MINUTE">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>ONE_MINUTE</h4> <pre>public static final long ONE_MINUTE</pre>
<div class="block">
<span>一分钟内的毫秒数。</span>
<span><code>addNotification</code>方法有用常数。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../constant-values.html#javax.management.timer.Timer.ONE_MINUTE">Constant Field Values</a>
</dd>
</dl> </li>
</ul> <a name="ONE_HOUR">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>ONE_HOUR</h4> <pre>public static final long ONE_HOUR</pre>
<div class="block">
<span>一小时内的毫秒数。</span>
<span><code>addNotification</code>方法有用常数。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../constant-values.html#javax.management.timer.Timer.ONE_HOUR">Constant Field Values</a>
</dd>
</dl> </li>
</ul> <a name="ONE_DAY">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>ONE_DAY</h4> <pre>public static final long ONE_DAY</pre>
<div class="block">
<span>一天中的毫秒数。</span>
<span><code>addNotification</code>方法有用的常数。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../constant-values.html#javax.management.timer.Timer.ONE_DAY">Constant Field Values</a>
</dd>
</dl> </li>
</ul> <a name="ONE_WEEK">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>ONE_WEEK</h4> <pre>public static final long ONE_WEEK</pre>
<div class="block">
<span>一周内的毫秒数。</span>
<span>有用的常数为<code>addNotification</code>方法。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../constant-values.html#javax.management.timer.Timer.ONE_WEEK">Constant Field Values</a>
</dd>
</dl> </li>
</ul> </li>
</ul>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
<!-- --> </a> <h3>构造方法详细信息</h3> <a name="Timer--">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>Timer</h4> <pre>public Timer()</pre>
<div class="block">
默认构造函数。
</div> </li>
</ul> </li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- --> </a> <h3>方法详细信息</h3> <a name="preRegister-javax.management.MBeanServer-javax.management.ObjectName-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>preRegister</h4> <pre>public <a href="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</a> preRegister(<a href="../../../javax/management/MBeanServer.html" title="interface in javax.management">MBeanServer</a> server,
<a href="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</a> name)
throws <a href="../../../java/lang/Exception.html" title="class in java.lang">异常</a></pre>
<div class="block">
<span>允许计时器MBean在MBean服务器中注册之前执行所需的任何操作。</span>
<p> <span>在此上下文中未使用。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/MBeanRegistration.html#preRegister-javax.management.MBeanServer-javax.management.ObjectName-">preRegister</a></code>在界面
<code><a href="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>server</code> - 定时器MBean将被注册的MBean服务器。
</dd>
<dd>
<code>name</code> - 定时器MBean的对象名称。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
计时器MBean的名称已注册。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/lang/Exception.html" title="class in java.lang">异常</a></code>
</dd>
</dl> </li>
</ul> <a name="postRegister-java.lang.Boolean-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>postRegister</h4> <pre>public void postRegister(<a href="../../../java/lang/Boolean.html" title="class in java.lang">Boolean</a> registrationDone)</pre>
<div class="block">
<span>允许定时器MBean在MBean服务器中注册或注册失败后执行所需的操作。</span>
<p> <span>在此上下文中未使用。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/MBeanRegistration.html#postRegister-java.lang.Boolean-">postRegister</a></code>在界面
<code><a href="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>registrationDone</code> - 指示MBean是否已在MBean服务器中成功注册。</span>
<span>值false表示注册阶段失败。</span>
</dd>
</dl> </li>
</ul> <a name="preDeregister--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>preDeregister</h4> <pre>public void preDeregister()
throws <a href="../../../java/lang/Exception.html" title="class in java.lang">异常</a></pre>
<div class="block">
<span>允许计时器MBean在MBean服务器取消注册之前执行所需的任何操作。</span>
<p> <span>停止定时器</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/MBeanRegistration.html#preDeregister--">preDeregister</a></code>在接口
<code><a href="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</a></code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/lang/Exception.html" title="class in java.lang">异常</a></code>
</dd>
</dl> </li>
</ul> <a name="postDeregister--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>postDeregister</h4> <pre>public void postDeregister()</pre>
<div class="block">
<span>允许计时器MBean在MBean服务器取消注册后执行所需的操作。</span>
<p> <span>在此上下文中未使用。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/MBeanRegistration.html#postDeregister--">postDeregister</a></code>在界面
<code><a href="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</a></code>
</dd>
</dl> </li>
</ul> <a name="getNotificationInfo--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getNotificationInfo</h4> <pre>public <a href="../../../javax/management/MBeanNotificationInfo.html" title="class in javax.management">MBeanNotificationInfo</a>[] getNotificationInfo()</pre>
<div class="block">
<span class="descfrmTypeLabel">说明从界面： <code><a href="../../../javax/management/NotificationBroadcaster.html#getNotificationInfo--">NotificationBroadcaster</a></code>复制</span>
</div>
<div class="block">
<p> <span>返回一个数组，指示MBean可能发送的每个通知，通知的Java类的名称和通知类型。</span> </p>
<p> <span>MBean发送不在此阵列中描述的通知并不是非法的。</span> <span>但是，MBean服务器的某些客户端可能依赖于正确运行的阵列。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/NotificationBroadcaster.html#getNotificationInfo--">getNotificationInfo</a></code>在界面
<code><a href="../../../javax/management/NotificationBroadcaster.html" title="interface in javax.management">NotificationBroadcaster</a></code>
</dd>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/management/NotificationBroadcasterSupport.html#getNotificationInfo--">getNotificationInfo</a></code>在类别
<code><a href="../../../javax/management/NotificationBroadcasterSupport.html" title="class in javax.management">NotificationBroadcasterSupport</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
可能通知的数组。
</dd>
</dl> </li>
</ul> <a name="start--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>start</h4> <pre>public void start()</pre>
<div class="block">
<span>启动计时器。</span>
<p> <span>如果在通知列表中的时间之前有一个或多个定时器通知，则通知根据<code>sendPastNotifications</code>标志发送，然后根据其周期和剩余的发生次数进行更新。</span> <span>如果计时器通知日期早于当前日期，则此通知将从通知列表中移除。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#start--">start</a></code>在接口
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
</dl> </li>
</ul> <a name="stop--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>stop</h4> <pre>public void stop()</pre>
<div class="block">
停止定时器
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#stop--">stop</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
</dl> </li>
</ul> <a name="addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-boolean-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>addNotification</h4> <pre>public <a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> addNotification(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type,
<a href="../../../java/lang/String.html" title="class in java.lang">String</a> message,
<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData,
<a href="../../../java/util/Date.html" title="class in java.util">Date</a> date,
long period,
long nbOccurences,
boolean fixedRate)
throws <a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></pre>
<div class="block">
<span>创建具有指定的新计时器通知<code>type</code> ， <code>message</code>和<code>userData</code>并将其插入到与事件的定日期，时段和数量的通知列表中。</span>
<p> <span>如果要插入的计时器通知的日期在当前日期之前，该方法的行为就像指定的日期是当前日期一样。</span> <br/> <span>对于一次性通知，通知将立即发送。</span> <br/> <span>对于定期通知，第一个通知立即发送，后续的通知按照period参数指定。</span> </p>
<p> <span>请注意，一旦定时器通知已添加到通知列表中，则无法更新其关联的日期，周期和出现次数。</span> </p>
<p> <span>在周期性通知的情况下，参数<i>固定利率</i>的值用于指定执行方案，如在指定的<a href="../../../java/util/Timer.html" title="java.util中的类"><code>Timer</code></a> 。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-boolean-">addNotification</a></code>在接口
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>type</code> - 定时器通知类型。
</dd>
<dd>
<code>message</code> - 定时器通知详细信息。
</dd>
<dd>
<code>userData</code> - 定时器通知用户数据对象。
</dd>
<dd>
<code>date</code> - 发生
<code>date</code>的日期。
</dd>
<dd>
<code>period</code> - 定时器通知的周期（以毫秒为单位）。
</dd>
<dd>
<code>nbOccurences</code> - 将发出定时器通知的总数。
</dd>
<dd>
<span><code>fixedRate</code> - 如果<code>true</code>并且如果通知是周期性的，则通知以<i>固定速率</i>执行方案进行调度。</span>
<span>如果<code>false</code>并且如果通知是周期性的，则通知使用<i>固定延迟</i>执行方案进行调度。</span>
<span>如果通知不是周期性的，则忽略。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
新创建的定时器通知的标识符。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 日期为
<code>null</code>或期间或出现次数为负。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-"><code>addNotification(String, String, Object, Date, long, long)</code></a>
</dd>
</dl> </li>
</ul> <a name="addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>addNotification</h4> <pre>public <a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> addNotification(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type,
<a href="../../../java/lang/String.html" title="class in java.lang">String</a> message,
<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData,
<a href="../../../java/util/Date.html" title="class in java.util">Date</a> date,
long period,
long nbOccurences)
throws <a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></pre>
<div class="block">
<span>创建具有指定的新计时器通知<code>type</code> ， <code>message</code>和<code>userData</code>并将其插入到与事件的定日期，时段和数量的通知列表中。</span>
<p> <span>如果要插入的计时器通知的日期在当前日期之前，该方法的行为就像指定的日期是当前日期一样。</span> <br/> <span>对于一次性通知，通知将立即发送。</span> <br/> <span>对于定期通知，第一个通知立即发送，后续的通知按照period参数指定。</span> </p>
<p> <span>请注意，一旦定时器通知已添加到通知列表中，则无法更新其关联的日期，周期和出现次数。</span> </p>
<p> <span>在周期性通知的情况下，使用<i>固定的延迟</i>执行方案，如在指定的<a href="../../../java/util/Timer.html" title="java.util中的类"><code>Timer</code></a> 。</span> <span>为了使用<i>固定速率</i>执行方案，请<a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-boolean-">改用<code>addNotification(String, String, Object, Date, long, long, boolean)</code></a> 。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-">addNotification</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>type</code> - 定时器通知类型。
</dd>
<dd>
<code>message</code> - 定时器通知详细信息。
</dd>
<dd>
<code>userData</code> - 定时器通知用户数据对象。
</dd>
<dd>
<code>date</code> - 发生
<code>date</code>的日期。
</dd>
<dd>
<code>period</code> - 定时器通知的周期（以毫秒为单位）。
</dd>
<dd>
<code>nbOccurences</code> - 将发出定时器通知的总数。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
新创建的定时器通知的标识符。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 日期为
<code>null</code>或出现的期间或次数为负。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-boolean-"><code>addNotification(String, String, Object, Date, long, long, boolean)</code></a>
</dd>
</dl> </li>
</ul> <a name="addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>addNotification</h4> <pre>public <a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> addNotification(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type,
<a href="../../../java/lang/String.html" title="class in java.lang">String</a> message,
<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData,
<a href="../../../java/util/Date.html" title="class in java.util">Date</a> date,
long period)
throws <a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></pre>
<div class="block">
<span>创建具有<code>type</code> <code>message</code>和<code>userData</code>的新定时器通知， <code>message</code>其插入具有给定日期和期间的通知列表以及零次出现次数。</span>
<p> <span>定时器通知将使用<i>固定延迟</i>执行方案使用定时器周期连续重复，如<code>Timer</code>中<a href="../../../java/util/Timer.html" title="java.util中的类">所述</a> 。</span> <span>为了使用<i>固定速率</i>执行方案，请<a href="../../../javax/management/timer/Timer.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-long-boolean-">改用<code>addNotification(String, String, Object, Date, long, long, boolean)</code></a> 。</span> </p>
<p> <span>如果要插入的计时器通知的日期在当前日期之前，该方法的行为就像指定的日期是当前日期一样。</span> <span>第一个通知立即发送，随后的通知按照period参数指定。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-long-">addNotification</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>type</code> - 定时器通知类型。
</dd>
<dd>
<code>message</code> - 定时器通知详细信息。
</dd>
<dd>
<code>userData</code> - 定时器通知用户数据对象。
</dd>
<dd>
<code>date</code> - 发生
<code>date</code>的日期。
</dd>
<dd>
<code>period</code> - 定时器通知的周期（以毫秒为单位）。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
新创建的定时器通知的标识符。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 日期为
<code>null</code>或期间为负。
</dd>
</dl> </li>
</ul> <a name="addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>addNotification</h4> <pre>public <a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> addNotification(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type,
<a href="../../../java/lang/String.html" title="class in java.lang">String</a> message,
<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> userData,
<a href="../../../java/util/Date.html" title="class in java.util">Date</a> date)
throws <a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></pre>
<div class="block">
<span>创建具有指定的新计时器通知<code>type</code> ， <code>message</code>和<code>userData</code>并将其插入到与事件给定日期以及null时段和数量的通知列表中。</span>
<p> <span>计时器通知将在指定的日期处理一次。</span> </p>
<p> <span>如果要插入的计时器通知的日期在当前日期之前，该方法的行为就像指定的日期是当前日期一样，并且立即发送通知。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#addNotification-java.lang.String-java.lang.String-java.lang.Object-java.util.Date-">addNotification</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>type</code> - 定时器通知类型。
</dd>
<dd>
<code>message</code> - 定时器通知详细消息。
</dd>
<dd>
<code>userData</code> - 定时器通知用户数据对象。
</dd>
<dd>
<code>date</code> - 发生
<code>date</code>的日期。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
新创建的定时器通知的标识符。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 日期是
<code>null</code> 。
</dd>
</dl> </li>
</ul> <a name="removeNotification-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>removeNotification</h4> <pre>public void removeNotification(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)
throws <a href="../../../javax/management/InstanceNotFoundException.html" title="class in javax.management">InstanceNotFoundException</a></pre>
<div class="block">
从通知列表中删除与指定标识符相对应的定时器通知。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#removeNotification-java.lang.Integer-">removeNotification</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../javax/management/InstanceNotFoundException.html" title="class in javax.management">InstanceNotFoundException</a></code> - 指定的标识符与此定时器MBean的通知列表中的任何定时器通知不对应。
</dd>
</dl> </li>
</ul> <a name="removeNotifications-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>removeNotifications</h4> <pre>public void removeNotifications(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type)
throws <a href="../../../javax/management/InstanceNotFoundException.html" title="class in javax.management">InstanceNotFoundException</a></pre>
<div class="block">
从通知列表中删除与指定类型对应的所有定时器通知。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#removeNotifications-java.lang.String-">removeNotifications</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>type</code> - 定时器通知类型。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../javax/management/InstanceNotFoundException.html" title="class in javax.management">InstanceNotFoundException</a></code> - 指定类型与此定时器MBean的通知列表中的任何定时器通知不对应。
</dd>
</dl> </li>
</ul> <a name="removeAllNotifications--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>removeAllNotifications</h4> <pre>public void removeAllNotifications()</pre>
<div class="block">
从通知列表中删除所有定时器通知，并重置用于更新计时器通知标识符的计数器。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#removeAllNotifications--">removeAllNotifications</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
</dl> </li>
</ul> <a name="getNbNotifications--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getNbNotifications</h4> <pre>public int getNbNotifications()</pre>
<div class="block">
获取注册到通知列表中的定时器通知的数量。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getNbNotifications--">getNbNotifications</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
定时器通知的次数。
</dd>
</dl> </li>
</ul> <a name="getAllNotificationIDs--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getAllNotificationIDs</h4> <pre>public <a href="../../../java/util/Vector.html" title="class in java.util">Vector</a>&lt;<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a>&gt; getAllNotificationIDs()</pre>
<div class="block">
获取注册到通知列表中的所有定时器通知标识符。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getAllNotificationIDs--">getAllNotificationIDs</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>包含所有定时器通知标识符的<code>Integer</code>对象的向量。</span>
<br/>
<span>如果没有为此定时器MBean注册定时器通知，则向量为空。</span>
</dd>
</dl> </li>
</ul> <a name="getNotificationIDs-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getNotificationIDs</h4> <pre>public <a href="../../../java/util/Vector.html" title="class in java.util">Vector</a>&lt;<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a>&gt; getNotificationIDs(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> type)</pre>
<div class="block">
获取与指定类型相对应的定时器通知的所有标识符。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getNotificationIDs-java.lang.String-">getNotificationIDs</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>type</code> - 定时器通知类型。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>包含<code>Integer</code>对象的矢量， <code>Integer</code>指定的type的定时器通知的所有<code>type</code> 。</span>
<br/>
<span>如果有此计时器MBean与指定的注册任何计时器通知的载体是空<code>type</code> 。</span>
</dd>
</dl> </li>
</ul> <a name="getNotificationType-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getNotificationType</h4> <pre>public <a href="../../../java/lang/String.html" title="class in java.lang">String</a> getNotificationType(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</pre>
<div class="block">
获取与指定标识符对应的定时器通知类型。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getNotificationType-java.lang.Integer-">getNotificationType</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
定时器通知类型，如果标识符未映射到为此定时器MBean注册的任何定时器通知，则为null。
</dd>
</dl> </li>
</ul> <a name="getNotificationMessage-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getNotificationMessage</h4> <pre>public <a href="../../../java/lang/String.html" title="class in java.lang">String</a> getNotificationMessage(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</pre>
<div class="block">
获取与指定标识符相对应的定时器通知详细消息。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getNotificationMessage-java.lang.Integer-">getNotificationMessage</a></code>在接口
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
定时器通知详细消息，如果标识符未映射到为此定时器MBean注册的任何定时器通知，则为null。
</dd>
</dl> </li>
</ul> <a name="getNotificationUserData-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getNotificationUserData</h4> <pre>public <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> getNotificationUserData(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</pre>
<div class="block">
获取与指定标识符相对应的定时器通知用户数据对象。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getNotificationUserData-java.lang.Integer-">getNotificationUserData</a></code>在接口
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
定时器通知用户数据对象，如果标识符未映射到为此定时器MBean注册的任何定时器通知，则为null。
</dd>
</dl> </li>
</ul> <a name="getDate-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getDate</h4> <pre>public <a href="../../../java/util/Date.html" title="class in java.util">Date</a> getDate(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</pre>
<div class="block">
获取与定时器通知相关联的日期的副本。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getDate-java.lang.Integer-">getDate</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
如果标识符未映射到为此定时器MBean注册的任何定时器通知，则该日期的副本为null。
</dd>
</dl> </li>
</ul> <a name="getPeriod-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getPeriod</h4> <pre>public <a href="../../../java/lang/Long.html" title="class in java.lang">Long</a> getPeriod(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</pre>
<div class="block">
获取与定时器通知相关联的周期（以毫秒为单位）的副本。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getPeriod-java.lang.Integer-">getPeriod</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
如果标识符未映射到为此定时器MBean注册的任何定时器通知，则该周期的副本为null。
</dd>
</dl> </li>
</ul> <a name="getNbOccurences-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getNbOccurences</h4> <pre>public <a href="../../../java/lang/Long.html" title="class in java.lang">Long</a> getNbOccurences(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</pre>
<div class="block">
获取与定时器通知相关联的剩余发生次数的副本。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getNbOccurences-java.lang.Integer-">getNbOccurences</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
剩余出现次数的副本，如果标识符未映射到为此定时器MBean注册的任何定时器通知，则为null。
</dd>
</dl> </li>
</ul> <a name="getFixedRate-java.lang.Integer-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getFixedRate</h4> <pre>public <a href="../../../java/lang/Boolean.html" title="class in java.lang">Boolean</a> getFixedRate(<a href="../../../java/lang/Integer.html" title="class in java.lang">Integer</a> id)</pre>
<div class="block">
获取标志的副本，指示是定期通知是以
<i>固定延迟</i>还是
<i>固定速率执行</i> 。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getFixedRate-java.lang.Integer-">getFixedRate</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>id</code> - 定时器通知标识符。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
指示是否以
<i>固定延迟</i>或
<i>固定速率</i>执行定期通知的标志的副本。
</dd>
</dl> </li>
</ul> <a name="getSendPastNotifications--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getSendPastNotifications</h4> <pre>public boolean getSendPastNotifications()</pre>
<div class="block">
<span>获取指示定时器是否发送过去通知的标志。</span>
<br/>
<span>过去通知发送开/关标志的默认值为<code>false</code> 。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#getSendPastNotifications--">getSendPastNotifications</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
过去的通知发送开/关标志值。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/management/timer/Timer.html#setSendPastNotifications-boolean-"><code>setSendPastNotifications(boolean)</code></a>
</dd>
</dl> </li>
</ul> <a name="setSendPastNotifications-boolean-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setSendPastNotifications</h4> <pre>public void setSendPastNotifications(boolean value)</pre>
<div class="block">
<span>设置指示定时器是否发送过去通知的标志。</span>
<br/>
<span>过去通知发送开/关标志的默认值是<code>false</code> 。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#setSendPastNotifications-boolean-">setSendPastNotifications</a></code>在接口
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>value</code> - 过去通知发送开/关标志值。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/management/timer/Timer.html#getSendPastNotifications--"><code>getSendPastNotifications()</code></a>
</dd>
</dl> </li>
</ul> <a name="isActive--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>isActive</h4> <pre>public boolean isActive()</pre>
<div class="block">
<span>测试定时器MBean是否处于活动状态。</span>
<span>当调用<a href="../../../javax/management/timer/Timer.html#start--"><code>start</code></a>方法时，计时器MBean被标记为活动。</span>
<span>当调用<a href="../../../javax/management/timer/Timer.html#stop--"><code>stop</code></a>方法时，它将变为非活动状态。</span>
<br/>
<span>活动开/关标志的默认值为<code>false</code> 。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/management/timer/TimerMBean.html#isActive--">isActive</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>true</code>如果定时器MBean处于活动状态，
<code>false</code> false。
</dd>
</dl> </li>
</ul> <a name="isEmpty--">
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<ul class="blockListLast">
<li class="blockList"> <h4>isEmpty</h4> <pre>public boolean isEmpty()</pre>
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测试定时器通知的列表是否为空。
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../../javax/management/timer/TimerMBean.html#isEmpty--">isEmpty</a></code>在界面
<code><a href="../../../javax/management/timer/TimerMBean.html" title="interface in javax.management.timer">TimerMBean</a></code>
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<span class="returnLabel">结果</span>
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<dd>
<code>true</code>如果定时器通知列表为空，
<code>false</code> false。
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