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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>PeerViewElement (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.impl.rendezvous.rpv.PeerViewElement class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="PeerViewElement (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" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/PeerViewElement.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><a href='http://www.jxta.org' target='_blank'>Project JXTA</a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.UpdateStatusTask.html" title="class in net.jxta.impl.rendezvous.rpv"><B>PREV CLASS</B></A> <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.PendingMessage.html" title="class in net.jxta.impl.rendezvous.rpv"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="PeerViewElement.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <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.rendezvous.rpv</FONT><BR>Class PeerViewElement</H2><PRE>java.lang.Object <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><B>net.jxta.impl.rendezvous.rpv.PeerViewElement</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Comparable, java.util.EventListener, <A HREF="../../../../../net/jxta/endpoint/MessengerEventListener.html" title="interface in net.jxta.endpoint">MessengerEventListener</A>, <A HREF="../../../../../net/jxta/endpoint/OutgoingMessageEventListener.html" title="interface in net.jxta.endpoint">OutgoingMessageEventListener</A></DD></DL><HR><DL><DT>public final class <B>PeerViewElement</B><DT>extends java.lang.Object<DT>implements java.lang.Comparable, <A HREF="../../../../../net/jxta/endpoint/MessengerEventListener.html" title="interface in net.jxta.endpoint">MessengerEventListener</A>, <A HREF="../../../../../net/jxta/endpoint/OutgoingMessageEventListener.html" title="interface in net.jxta.endpoint">OutgoingMessageEventListener</A></DL><P>An element of the PeerView. Basically a wrapper for a RdvAdvertisement with some added functionality. We could have extended RdvAdvertisement but the OOD gurus recommend composition over inheritence. The implementation of the Comparable interface makes it possible to sort and create ordered lists of RdvAdvertisements.<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><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.PendingMessage.html" title="class in net.jxta.impl.rendezvous.rpv">PeerViewElement.PendingMessage</A></B></CODE><BR> </TD></TR></TABLE> <!-- =========== FIELD SUMMARY =========== --><!-- ======== 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private)</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html#PeerViewElement(net.jxta.impl.rendezvous.rpv.PeerView, net.jxta.endpoint.EndpointService, net.jxta.endpoint.EndpointAddress)">PeerViewElement</A></B>(<A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html" title="class in net.jxta.impl.rendezvous.rpv">PeerView</A> pv, <A HREF="../../../../../net/jxta/endpoint/EndpointService.html" title="interface in net.jxta.endpoint">EndpointService</A> endpoint, <A HREF="../../../../../net/jxta/endpoint/EndpointAddress.html" title="class in net.jxta.endpoint">EndpointAddress</A> destAddress)</CODE><BR> Initialize from a RdvAdvertisement.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private)</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html#PeerViewElement(net.jxta.impl.rendezvous.rpv.PeerView, net.jxta.endpoint.EndpointService, java.io.InputStream)">PeerViewElement</A></B>(<A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html" title="class in net.jxta.impl.rendezvous.rpv">PeerView</A> pv, <A HREF="../../../../../net/jxta/endpoint/EndpointService.html" title="interface in net.jxta.endpoint">EndpointService</A> endpoint, java.io.InputStream in)</CODE><BR> Initialize from a RdvAdvertisement contained in the specified InputStream.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private)</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html#PeerViewElement(net.jxta.impl.rendezvous.rpv.PeerView, net.jxta.endpoint.EndpointService, net.jxta.protocol.RdvAdvertisement)">PeerViewElement</A></B>(<A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html" title="class in net.jxta.impl.rendezvous.rpv">PeerView</A> pv, <A HREF="../../../../../net/jxta/endpoint/EndpointService.html" title="interface in net.jxta.endpoint">EndpointService</A> endpoint, <A HREF="../../../../../net/jxta/protocol/RdvAdvertisement.html" title="class in net.jxta.protocol">RdvAdvertisement</A> adv)</CODE><BR> Initialize from a RdvAdvertisement.</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/rendezvous/rpv/PeerViewElement.html#close()">close</A></B>()</CODE><BR> Unconditional close. </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/rendezvous/rpv/PeerViewElement.html#compareTo(java.lang.Object)">compareTo</A></B>(java.lang.Object other)</CODE><BR> Allows Peer Advertisements to be sorted and ordered. </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/rendezvous/rpv/PeerViewElement.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object other)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../net/jxta/protocol/RdvAdvertisement.html" title="class in net.jxta.protocol">RdvAdvertisement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html#getRdvAdvertisement()">getRdvAdvertisement</A></B>()</CODE><BR> Get the encapsulated Peer Advertisement.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../net/jxta/protocol/RouteAdvertisement.html" title="class in net.jxta.protocol">RouteAdvertisement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html#getSrcRouteAdvertisement()">getSrcRouteAdvertisement</A></B>()</CODE><BR> Get the encapsulated Src RouteAdv</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/rendezvous/rpv/PeerViewElement.html#hashCode()">hashCode</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html#init(net.jxta.impl.rendezvous.rpv.PeerView, net.jxta.endpoint.EndpointService, net.jxta.endpoint.EndpointAddress)">init</A></B>(<A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html" title="class in net.jxta.impl.rendezvous.rpv">PeerView</A> pv, <A HREF="../../../../../net/jxta/endpoint/EndpointService.html" title="interface in net.jxta.endpoint">EndpointService</A> endpoint, <A HREF="../../../../../net/jxta/endpoint/EndpointAddress.html" title="class in net.jxta.endpoint">EndpointAddress</A> destAddress)</CODE><BR> Initialize from an endpoint address.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html#init(net.jxta.impl.rendezvous.rpv.PeerView, net.jxta.endpoint.EndpointService, net.jxta.protocol.RdvAdvertisement)">init</A></B>(<A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html" title="class in net.jxta.impl.rendezvous.rpv">PeerView</A> pv, <A HREF="../../../../../net/jxta/endpoint/EndpointService.html" title="interface in net.jxta.endpoint">EndpointService</A> endpoint, <A HREF="../../../../../net/jxta/protocol/RdvAdvertisement.html" title="class in net.jxta.protocol">RdvAdvertisement</A> adv)</CODE><BR> Initialize from a RdvAdvertisement.</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/rendezvous/rpv/PeerViewElement.html#isAlive()">isAlive</A></B>()</CODE><BR> Return true if the remote peer is known to be alive, false otherwise.</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/rendezvous/rpv/PeerViewElement.html#messageSendFailed(net.jxta.endpoint.OutgoingMessageEvent)">messageSendFailed</A></B>(<A HREF="../../../../../net/jxta/endpoint/OutgoingMessageEvent.html" title="class in net.jxta.endpoint">OutgoingMessageEvent</A> e)</CODE><BR> The message identified by the event could not be sent. <p/>The cause of the failure, if any, is available from <A HREF="../../../../../net/jxta/endpoint/OutgoingMessageEvent.html#getFailure()"><CODE>OutgoingMessageEvent.getFailure()</CODE></A>. Failures while sending messages have several causes : <p/><ul> <li>An <CODE>IOException</CODE> means that the messenger cannot send the message and the messenger will accept no further messages to be sent.</li> <li>A <CODE>RuntimeException</CODE> mean that the message was not sent, but retries may or may not be possible based upon the status returned by <A HREF="../../../../../net/jxta/endpoint/Messenger.html#isClosed()"><CODE>Messenger.isClosed()</CODE></A>.</li> <li><code>null</code> means that the message was not sent, but may be retried. Usually the failure is due to local resource limits being exceeded. Attempts may be made to later resend the message, usually after waiting for congestion to clear.</li>⌨️ 快捷键说明
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