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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>PeerView (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.impl.rendezvous.rpv.PeerView class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="PeerView (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/PeerView.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"> PREV CLASS <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.UpdateStatusTask.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="PeerView.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> | <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.rendezvous.rpv</FONT><BR>Class PeerView</H2><PRE>java.lang.Object <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><B>net.jxta.impl.rendezvous.rpv.PeerView</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../net/jxta/endpoint/EndpointListener.html" title="interface in net.jxta.endpoint">EndpointListener</A></DD></DL><HR><DL><DT>public final class <B>PeerView</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../../net/jxta/endpoint/EndpointListener.html" title="interface in net.jxta.endpoint">EndpointListener</A></DL><P>This class models a Rendezvous Peer View (RPV): ordered collection of all other Rendezvous Peers visible to this Peer. Presently this class implements a random "diffusion" algorithm where each Peer periodically selects a randomly selected peer advertisement from its view and sends it over to a randomly selected peer from its view. Over time, this causes every peer to learn about every other peer, resulting in a "consistent" peer view. This diffusion process is bootstrapped by every peer sending their own peer advertisements to some well-known, stable, "seed" peers on startup.<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>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.UpdateStatusTask.html" title="class in net.jxta.impl.rendezvous.rpv">PeerView.UpdateStatusTask</A></B></CODE><BR> </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>protected <A HREF="../../../../../net/jxta/impl/rendezvous/conf/StaticRdvConf.html" title="class in net.jxta.impl.rendezvous.conf">StaticRdvConf</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#config">config</A></B></CODE><BR> The configurator in use.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#PROPAGATE_AVERAGE_RESPONSES_PROPERTY">PROPAGATE_AVERAGE_RESPONSES_PROPERTY</A></B></CODE><BR> PropagateAverageResponses property The average number of responses a peer should get when probing for rendezvous peers on the propagate pipe.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#PROPERTIES_FILENAME">PROPERTIES_FILENAME</A></B></CODE><BR> The PeerView uses a file in the classpath directory, named jxta.properties in order to allow configuration. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#SEEDINGRDV_CONN_DELAY_PROPERTY">SEEDINGRDV_CONN_DELAY_PROPERTY</A></B></CODE><BR> SeedingRdvConnDelay property The delay in second before the peer tries to contact seeding Rendezvous peers. </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/rendezvous/rpv/PeerView.html#PeerView(net.jxta.peergroup.PeerGroup, net.jxta.peergroup.PeerGroup, java.lang.String, boolean, boolean)">PeerView</A></B>(<A HREF="../../../../../net/jxta/peergroup/PeerGroup.html" title="interface in net.jxta.peergroup">PeerGroup</A> group, <A HREF="../../../../../net/jxta/peergroup/PeerGroup.html" title="interface in net.jxta.peergroup">PeerGroup</A> advertisingGroup, java.lang.String serviceName, boolean isRendezvous, boolean useOnlySeeds)</CODE><BR> Get an instance of PeerView for the specified PeerGroup and Service. </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/PeerView.html#addListener(net.jxta.impl.rendezvous.rpv.PeerViewListener)">addListener</A></B>(<A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewListener.html" title="interface in net.jxta.impl.rendezvous.rpv">PeerViewListener</A> listener)</CODE><BR> Add a listener for PeerViewEvent</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/PeerView.html#close()">close</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#doUpdateStatus()">doUpdateStatus</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html" title="class in net.jxta.impl.rendezvous.rpv">PeerViewElement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#getDownPeer()">getDownPeer</A></B>()</CODE><BR> </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/rendezvous/rpv/PeerView.html#getKickInterval()">getKickInterval</A></B>()</CODE><BR> Return the configured kick interval. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html" title="class in net.jxta.impl.rendezvous.rpv">PeerViewElement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#getPeerViewElement(net.jxta.peer.PeerID)">getPeerViewElement</A></B>(<A HREF="../../../../../net/jxta/peer/PeerID.html" title="class in net.jxta.peer">PeerID</A> pid)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html" title="class in net.jxta.impl.rendezvous.rpv">PeerViewElement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#getPendingPve(net.jxta.impl.rendezvous.rpv.PeerViewElement)">getPendingPve</A></B>(<A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html" title="class in net.jxta.impl.rendezvous.rpv">PeerViewElement</A> pve)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html" title="class in net.jxta.impl.rendezvous.rpv">PeerViewElement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#getSelf()">getSelf</A></B>()</CODE><BR> Get the local peer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerViewElement.html" title="class in net.jxta.impl.rendezvous.rpv">PeerViewElement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../net/jxta/impl/rendezvous/rpv/PeerView.html#getUpPeer()">getUpPeer</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">⌨️ 快捷键说明
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