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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><TITLE>UnbiasedQueue.SynchronizedQueue (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.impl.util.UnbiasedQueue.SynchronizedQueue class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="UnbiasedQueue.SynchronizedQueue (Project JXTA J2SE)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" 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HREF="#nested_classes_inherited_from_class_net.jxta.impl.util.UnbiasedQueue">NESTED</A> | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">net.jxta.impl.util</FONT><BR>Class UnbiasedQueue.SynchronizedQueue</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html" title="class in net.jxta.impl.util">net.jxta.impl.util.UnbiasedQueue</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>net.jxta.impl.util.UnbiasedQueue.SynchronizedQueue</B></PRE><DL><DT><B>Enclosing class:</B><DD><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html" title="class in net.jxta.impl.util">UnbiasedQueue</A></DD></DL><HR><DL><DT>protected static class <B>UnbiasedQueue.SynchronizedQueue</B><DT>extends <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html" title="class in net.jxta.impl.util">UnbiasedQueue</A></DL><P>An inner class for wrapping arbitrary queues with synchronization.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Nested Class Summary</B></FONT></TD></TR></TABLE> <A NAME="nested_classes_inherited_from_class_net.jxta.impl.util.UnbiasedQueue"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Nested classes inherited from class net.jxta.impl.util.<A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html" title="class in net.jxta.impl.util">UnbiasedQueue</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html" title="class in net.jxta.impl.util">UnbiasedQueue.SynchronizedQueue</A></CODE></TD></TR></TABLE> <!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html" title="class in net.jxta.impl.util">UnbiasedQueue</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#innerqueue">innerqueue</A></B></CODE><BR> </TD></TR></TABLE> <A NAME="fields_inherited_from_class_net.jxta.impl.util.UnbiasedQueue"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class net.jxta.impl.util.<A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html" title="class in net.jxta.impl.util">UnbiasedQueue</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#closeFlag">closeFlag</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#DEFAULT_MAX_OBJECTS">DEFAULT_MAX_OBJECTS</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#DROP_OLDEST_OBJECT">DROP_OLDEST_OBJECT</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#dropOldestObject">dropOldestObject</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#DROPPED_OBJECT_WARNING_INTERVAL">DROPPED_OBJECT_WARNING_INTERVAL</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#maxObjects">maxObjects</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#nextDroppedWarn">nextDroppedWarn</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#numDequeued">numDequeued</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#numDropped">numDropped</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#numEnqueued">numEnqueued</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#queue">queue</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#sumOfQueueSizesDequeue">sumOfQueueSizesDequeue</A>, <A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html#sumOfQueueSizesEnqueue">sumOfQueueSizesEnqueue</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#UnbiasedQueue.SynchronizedQueue(net.jxta.impl.util.UnbiasedQueue)">UnbiasedQueue.SynchronizedQueue</A></B>(<A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.html" title="class in net.jxta.impl.util">UnbiasedQueue</A> queue)</CODE><BR> {@inheritDoc}</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"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></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="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#clear()">clear</A></B>()</CODE><BR> Flush the queue of all pending objects.</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="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#close()">close</A></B>()</CODE><BR> Close the queue. This will prevent any further objects from being enqueued.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#getAvgInQueueAtDequeue()">getAvgInQueueAtDequeue</A></B>()</CODE><BR> Return the average number of elements in the queue at dequeue time.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#getAvgInQueueAtEnqueue()">getAvgInQueueAtEnqueue</A></B>()</CODE><BR> Return the average number of elements in the queue at Enqueue time.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#getCurrentInQueue()">getCurrentInQueue</A></B>()</CODE><BR> Return the number of elements currently in the queue. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#getMaxQueueSize()">getMaxQueueSize</A></B>()</CODE><BR> How many objects will fit in this queue</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="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#getNumDequeued()">getNumDequeued</A></B>()</CODE><BR> Return the total number of objects which have been dequeued from this queue during its existance.</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="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#getNumDropped()">getNumDropped</A></B>()</CODE><BR> Return the total number of objects which have been dropped by this queue during its existance.</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="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#getNumEnqueued()">getNumEnqueued</A></B>()</CODE><BR> Return the total number of objects which have been enqueued on to this queue during its existance.</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="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#isClosed()">isClosed</A></B>()</CODE><BR> Atomically return whether or not this queue has been closed. Closed queues will not accept "push" requests, but elements will still be returned with "pop".</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#peek()">peek</A></B>()</CODE><BR> Return the next Object from the queue without removing it.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#pop()">pop</A></B>()</CODE><BR> Remove and return the next Object from the queue.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#pop(long)">pop</A></B>(long timeout)</CODE><BR> Gets a Object from the queue. If no Object is immediately available, then wait the specified amount of time for an Object to be inserted.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/util/UnbiasedQueue.SynchronizedQueue.html#popMulti(int)">popMulti</A></B>(int maxObjs)</CODE><BR>⌨️ 快捷键说明
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