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251 lines
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<div class="header">
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javax.print.attribute.standard
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<h2 class="title" title="Class JobHoldUntil">Class JobHoldUntil</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="../../../../javax/print/attribute/DateTimeSyntax.html" title="class in javax.print.attribute">javax.print.attribute.DateTimeSyntax</a></li>
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<li>
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<ul class="inheritance">
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<li>javax.print.attribute.standard.JobHoldUntil</li>
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</ul> </li>
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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> ， <a href="../../../../java/lang/Cloneable.html" title="java.lang中的接口">Cloneable</a> ， <a href="../../../../javax/print/attribute/Attribute.html" title="javax.print.attribute中的接口">Attribute</a> ， <a href="../../../../javax/print/attribute/PrintJobAttribute.html" title="javax.print.attribute中的接口">PrintJobAttribute</a> ， <a href="../../../../javax/print/attribute/PrintRequestAttribute.html" title="javax.print.attribute中的接口">PrintRequestAttribute</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public final class <span class="typeNameLabel">JobHoldUntil</span>
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extends <a href="../../../../javax/print/attribute/DateTimeSyntax.html" title="class in javax.print.attribute">DateTimeSyntax</a>
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implements <a href="../../../../javax/print/attribute/PrintRequestAttribute.html" title="interface in javax.print.attribute">PrintRequestAttribute</a>, <a href="../../../../javax/print/attribute/PrintJobAttribute.html" title="interface in javax.print.attribute">PrintJobAttribute</a></pre>
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<div class="block">
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<span>JobHoldUntil类是一个打印属性类，一个日期时间属性，用于指定作业必须成为打印候选者的确切日期和时间。</span>
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<p> <span>如果此属性的值指定将来的日期时间，则打印机应将作业<a href="../../../../javax/print/attribute/standard/JobStateReason.html" title="javax.print.attribute.standard中的类"><code>JobStateReasons</code></a>属性的值为884981419565的<a href="../../../../javax/print/attribute/standard/JobStateReason.html" title="javax.print.attribute.standard中的类">JOB_HOLD_UNTIL_SPECIFIED</a>值添加到作业的<a href="../../../../javax/print/attribute/standard/JobStateReasons.html" title="javax.print.attribute.standard中的类"><code>JobStateReasons</code></a>属性中，必须将作业移动到PENDING_HELD状态，并且不得安排作业进行打印，直到指定的日期时间到达。</span> </p>
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<p> <span>当指定的日期时间到达时，打印机必须从作业的<a href="../../../../javax/print/attribute/standard/JobStateReasons.html" title="javax.print.attribute.standard中的类"><code>JobStateReasons</code></a>属性（如果存在）中删除<a href="../../../../javax/print/attribute/standard/JobStateReason.html" title="javax.print.attribute.standard中的类">JOB_HOLD_UNTIL_SPECIFIED的</a>值88498141967878。</span> <span>如果没有其他工作状态原因使作业保持在PENDING_HELD状态，则打印机必须将作业视为处理候选项，将作业移动到PENDING状态。</span> </p>
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<p> <span>如果指定的日期时间已经过去，作业必须是立即处理的候选人。</span> <span>因此，使作业立即成为处理候选者的一种方法是指定如下构造的JobHoldUntil属性（表示1970年1月1日，00:00:00 GMT的日期时间）：</span> </p>
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<pre> <span>JobHoldUntil immediately = new JobHoldUntil (new Date (0L));</span> </pre>
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<p> <span>如果客户端不在打印请求中提供此属性，并且打印机支持此属性，打印机必须在作业提交时使用其（实现相关的）默认的JobHoldUntil值（与在作业处理中必要时使用的大多数作业模板属性不同）时间）。</span> </p>
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<p> <span>构建从小时当年不同的值，月，日，分钟，等一JobHoldUntil属性，使用<a href="../../../../java/util/Calendar.html" title="java.util中的类"><code>Calendar</code></a>对象构造一个<a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code></a>对象，然后使用<a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code></a>对象构造JobHoldUntil属性。</span> <span>要转换JobHoldUntil属性分开的年，月，日，小时，分钟的值，依此类推，创建一个<a href="../../../../java/util/Calendar.html" title="java.util中的类"><code>Calendar</code></a>对象，并将其设置为<a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code></a>从JobHoldUntil属性。</span> </p>
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<p> <span><b>IPP兼容性：</b>虽然IPP支持指定为关键字的“job-hold-until”属性，但IPP目前不支持将“job-hold-until”属性指定为日期和时间。</span> <span>然而，日期和时间可以转换为标准IPP关键字之一，精度有些损失;</span> <span>例如，当天日期和当地时间下午9:00的JobHoldUntil值可能会转换为标准IPP关键字“夜”。</span> <span><code>getName()</code>返回的类别名称提供IPP属性名称。</span> </p>
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<p></p>
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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="../../../../serialized-form.html#javax.print.attribute.standard.JobHoldUntil">Serialized Form</a>
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</dd>
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</dl> </li>
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</div>
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<div class="summary">
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<!-- ======== 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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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../javax/print/attribute/standard/JobHoldUntil.html#JobHoldUntil-java.util.Date-">JobHoldUntil</a></span>(<a href="../../../../java/util/Date.html" title="class in java.util">Date</a> dateTime)</code>
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<div class="block">
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<span>构建一个新的作业保持，直到date-time属性与给定的<a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code></a>值。</span>
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</div> </td>
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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>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/print/attribute/standard/JobHoldUntil.html#equals-java.lang.Object-">equals</a></span>(<a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a> object)</code>
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<div class="block">
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返回此作业是否保持，直到attribute等同于传入的对象。
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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/Class.html" title="class in java.lang">类</a><? extends <a href="../../../../javax/print/attribute/Attribute.html" title="interface in javax.print.attribute">Attribute</a>></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/print/attribute/standard/JobHoldUntil.html#getCategory--">getCategory</a></span>()</code>
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<div class="block">
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获取要用作此打印属性值的“类别”的打印属性类。
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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/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/print/attribute/standard/JobHoldUntil.html#getName--">getName</a></span>()</code>
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<div class="block">
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获取此属性值是一个实例的类别的名称。
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</div> </td>
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<li class="blockList"><a name="methods.inherited.from.class.javax.print.attribute.DateTimeSyntax">
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<!-- --> </a> <h3>Methods inherited from class javax.print.attribute.<a href="../../../../javax/print/attribute/DateTimeSyntax.html" title="class in javax.print.attribute">DateTimeSyntax</a></h3> <code><a href="../../../../javax/print/attribute/DateTimeSyntax.html#getValue--">getValue</a>, <a href="../../../../javax/print/attribute/DateTimeSyntax.html#hashCode--">hashCode</a>, <a href="../../../../javax/print/attribute/DateTimeSyntax.html#toString--">toString</a></code></li>
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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#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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</div>
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<div class="details">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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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="JobHoldUntil-java.util.Date-">
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<ul class="blockListLast">
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<li class="blockList"> <h4>JobHoldUntil</h4> <pre>public JobHoldUntil(<a href="../../../../java/util/Date.html" title="class in java.util">Date</a> dateTime)</pre>
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<div class="block">
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<span>构造一个新的作业保持，直到date-time属性与给定的<a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code></a>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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<span><code>dateTime</code> - <a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code>的</a>价值。</span>
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</dd>
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - （未选中的异常）如果
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<code>dateTime</code>为空，则抛出。
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</dd>
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</dl> </li>
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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="equals-java.lang.Object-">
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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> object)</pre>
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<div class="block">
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<span>返回此作业是否保持，直到attribute等同于传入的对象。</span>
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<span>要相等的，所有以下条件必须为真：</span>
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<ol type="1">
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<li> <span><code>object</code>不为空。</span> </li>
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<li> <span><code>object</code>是JobHoldUntil类的一个实例。</span> </li>
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<li> <span>这项工作按住，直到属性的<a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code></a>值和<code>object</code>的<a href="../../../../java/util/Date.html" title="java.util中的类"><code>Date</code></a>值相等。</span> </li>
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</ol>
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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="../../../../javax/print/attribute/DateTimeSyntax.html#equals-java.lang.Object-">equals</a></code>在类别
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<code><a href="../../../../javax/print/attribute/DateTimeSyntax.html" title="class in javax.print.attribute">DateTimeSyntax</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>object</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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如果
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<code>object</code>相当于此作业保持，直到属性为True，否则为false。
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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="getCategory--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getCategory</h4> <pre>public final <a href="../../../../java/lang/Class.html" title="class in java.lang">类</a><? extends <a href="../../../../javax/print/attribute/Attribute.html" title="interface in javax.print.attribute">Attribute</a>> getCategory()</pre>
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<div class="block">
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<span>获取要用作此打印属性值的“类别”的打印属性类。</span>
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<p> <span>对于JobHoldUntil类，该类别是JobHoldUntil类。</span> </p>
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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/print/attribute/Attribute.html#getCategory--">getCategory</a></code>在接口
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<code><a href="../../../../javax/print/attribute/Attribute.html" title="interface in javax.print.attribute">Attribute</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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<span>打印属性类（category），一个类别为<a href="../../../../java/lang/Class.html" title="java.lang中的类"><code>java.lang.Class</code></a>的实例。</span>
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</dd>
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</dl> </li>
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</ul> <a name="getName--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>getName</h4> <pre>public final <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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<span>获取此属性值是一个实例的类别的名称。</span>
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<p> <span>对于JobHoldUntil类，类别名称为<code>"job-hold-until"</code> 。</span> </p>
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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/print/attribute/Attribute.html#getName--">getName</a></code>在界面
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<code><a href="../../../../javax/print/attribute/Attribute.html" title="interface in javax.print.attribute">Attribute</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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属性类别名称。
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</dd>
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</dl> </li>
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</ul>
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