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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_03) on Wed Nov 02 09:51:58 CST 2005 --><META http-equiv="Content-Type" content="text/html; charset=gb2312"><TITLE>AbstractQueuedSynchronizer.ConditionObject (Java 2 Platform SE 5.0)</TITLE><META NAME="keywords" CONTENT="java.util.concurrent.locks.AbstractQueuedSynchronizer.ConditionObject class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="AbstractQueuedSynchronizer.ConditionObject (Java 2 Platform SE 5.0)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="跳过导航链接"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 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CLASS="NavBarCell1"> <A HREF="../../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>索引</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>帮助</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Standard Ed. 5.0</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="AbstractQueuedSynchronizer.html" title="java.util.concurrent.locks 中的类"><B>上一个类</B></A> <A HREF="Condition.html" title="java.util.concurrent.locks 中的接口"><B>下一个类</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html@java_2Futil_2Fconcurrent_2Flocks_2FAbstractQueuedSynchronizer.ConditionObject.html" target="_top"><B>框架</B></A> <A HREF="AbstractQueuedSynchronizer.ConditionObject.html" target="_top"><B>无框架</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>所有类</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>所有类</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> 摘要： 嵌套 | 字段 | <A HREF="#constructor_summary">构造方法</A> | <A HREF="#method_summary">方法</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">详细信息： 字段 | <A HREF="#constructor_detail">构造方法</A> | <A HREF="#method_detail">方法</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">java.util.concurrent.locks</FONT><BR>类 AbstractQueuedSynchronizer.ConditionObject</H2><PRE><A HREF="../../../lang/Object.html" title="java.lang 中的类">java.lang.Object</A> <IMG SRC="../../../../resources/inherit.gif" ALT="继承者 "><B>java.util.concurrent.locks.AbstractQueuedSynchronizer.ConditionObject</B></PRE><DL><DT><B>所有已实现的接口：</B> <DD>java.io.Serializable, <A HREF="Condition.html" title="java.util.concurrent.locks 中的接口">Condition</A></DD></DL><DL><DT><B>正在封闭类：</B><DD><A HREF="AbstractQueuedSynchronizer.html" title="java.util.concurrent.locks 中的类">AbstractQueuedSynchronizer</A></DD></DL><HR><DL><DT><PRE>public class <B>AbstractQueuedSynchronizer.ConditionObject</B><DT>extends <A HREF="../../../lang/Object.html" title="java.lang 中的类">Object</A><DT>implements <A HREF="Condition.html" title="java.util.concurrent.locks 中的接口">Condition</A>, java.io.Serializable</DL></PRE><P><A HREF="AbstractQueuedSynchronizer.html" title="java.util.concurrent.locks 中的类"><CODE>AbstractQueuedSynchronizer</CODE></A> 的 Condition 实现是 <A HREF="Lock.html" title="java.util.concurrent.locks 中的接口"><CODE>Lock</CODE></A> 实现的基础。<p> 此类的方法文档描述了一些机制，但没有从 Lock 和 Condition 用户的角度描述行为规范。此类的发行版本通常必须和描述 condition 语义的文档一起提供，这些语义依赖于相关 <tt>AbstractQueuedSynchronizer</tt> 的那些语义。 <p> 此类是可序列化的，但所有字段都是瞬态的，所以已序列化的条件没有等待者。<P><P><DL><DT><B>另请参见：</B><DD><A HREF="../../../../serialized-form.html#java.util.concurrent.locks.AbstractQueuedSynchronizer.ConditionObject">序列化表格</A></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>构造方法摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#AbstractQueuedSynchronizer.ConditionObject()">AbstractQueuedSynchronizer.ConditionObject</A></B>()</CODE><BR> 创建一个新的 <tt>ConditionObject</tt> 实例。</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>方法摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#await()">await</A></B>()</CODE><BR> 实现不可中断的条件等待。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#await(long, java.util.concurrent.TimeUnit)">await</A></B>(long time, <A HREF="../TimeUnit.html" title="java.util.concurrent 中的枚举">TimeUnit</A> unit)</CODE><BR> 实现定时的条件等待。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#awaitNanos(long)">awaitNanos</A></B>(long nanosTimeout)</CODE><BR> 实现定时的条件等待。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#awaitUninterruptibly()">awaitUninterruptibly</A></B>()</CODE><BR> 实现不可中断的条件等待。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#awaitUntil(java.util.Date)">awaitUntil</A></B>(<A HREF="../../Date.html" title="java.util 中的类">Date</A> deadline)</CODE><BR> 实现绝对定时条件等待。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../Collection.html" title="java.util 中的接口">Collection</A><<A HREF="../../../lang/Thread.html" title="java.lang 中的类">Thread</A>></CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#getWaitingThreads()">getWaitingThreads</A></B>()</CODE><BR> 返回包含那些可能正在等待此条件的线程 collection。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#getWaitQueueLength()">getWaitQueueLength</A></B>()</CODE><BR> 返回正在等待此条件的线程数估计值。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#hasWaiters()">hasWaiters</A></B>()</CODE><BR> 查询是否有正在等待此条件的任何线程。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#signal()">signal</A></B>()</CODE><BR> 将等待时间最长的线程（如果存在）从此条件的等待队列中移动到拥有锁定的等待队列。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="AbstractQueuedSynchronizer.ConditionObject.html#signalAll()">signalAll</A></B>()</CODE><BR> 将所有线程从此条件的等待队列移动到拥有锁定的等待队列中。</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>从类 java.lang.<A HREF="../../../lang/Object.html" title="java.lang 中的类">Object</A> 继承的方法</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../lang/Object.html#clone()">clone</A>, <A HREF="../../../lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../lang/Object.html#finalize()">finalize</A>, <A HREF="../../../lang/Object.html#getClass()">getClass</A>, <A HREF="../../../lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../../lang/Object.html#notify()">notify</A>, <A HREF="../../../lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../../lang/Object.html#toString()">toString</A>, <A HREF="../../../lang/Object.html#wait()">wait</A>, <A HREF="../../../lang/Object.html#wait(long)">wait</A>, <A HREF="../../../lang/Object.html#wait(long, int)">wait</A></CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>构造方法详细信息</B></FONT></TH></TR></TABLE><A NAME="AbstractQueuedSynchronizer.ConditionObject()"><!-- --></A><H3>AbstractQueuedSynchronizer.ConditionObject</H3><PRE>public <B>AbstractQueuedSynchronizer.ConditionObject</B>()</PRE><DL><DD>创建一个新的 <tt>ConditionObject</tt> 实例。<P></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>方法详细信息</B></FONT></TH></TR></TABLE><A NAME="signal()"><!-- --></A><H3>signal</H3><PRE>public final void <B>signal</B>()</PRE><DL><DD>将等待时间最长的线程（如果存在）从此条件的等待队列中移动到拥有锁定的等待队列。<P><DD><DL><DT><B>指定者：</B><DD>接口 <CODE><A HREF="Condition.html" title="java.util.concurrent.locks 中的接口">Condition</A></CODE> 中的 <CODE><A HREF="Condition.html#signal()">signal</A></CODE></DL></DD><DD><DL>⌨️ 快捷键说明
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