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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>PeerInfoService (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.peer.PeerInfoService interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="PeerInfoService (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/PeerInfoService.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/peer/PeerInfoListener.html" title="interface in net.jxta.peer"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="PeerInfoService.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: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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.peer</FONT><BR>Interface PeerInfoService</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../../net/jxta/platform/Module.html" title="interface in net.jxta.platform">Module</A>, <A HREF="../../../net/jxta/service/Service.html" title="interface in net.jxta.service">Service</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../net/jxta/impl/peer/PeerInfoServiceImpl.html" title="class in net.jxta.impl.peer">PeerInfoServiceImpl</A>, <A HREF="../../../net/jxta/impl/peer/PeerInfoServiceInterface.html" title="class in net.jxta.impl.peer">PeerInfoServiceInterface</A></DD></DL><HR><DL><DT>public interface <B>PeerInfoService</B><DT>extends <A HREF="../../../net/jxta/service/Service.html" title="interface in net.jxta.service">Service</A></DL><P>The PeerInfoService is a generic API for getting information about the local Peer as well as remote Peers. <P> The most important type of information about a Peer may be gotten through the Monitoring Service that may be accessed via the PeerInfoService. The Monitoring Service provides an open mechanism for reporting any type of Metrics gathered on a Peer by a ServiceMonitor. Attached Service Monitors are identified by their ModuleClassID. A ServiceMonitor may monitor anything (ie it is not restricted to JXTA Services). <p> There are several methods for accessing the capabilities and metrics from ServiceMonitors attached to the Peer (either locally or from remote peers). <p> Cumulative MonitorReports containing metrics since the Monitoring began (or was reset) on a local/remote Peer may be obtained. Alternatively, you may register listeners get periodic MonitorReports (at a specified rate) of metrics (since the previous report). The amount of information obtained (either cumulatively or periodically) is determined by a MonitorFilter whi The PeerInfoService utilizes the ResolverService to send queries and receive responses (PeerInfoQueryMessage / PeerInfoResponseMessage). These contain requests and responses that are specific to the type of info being requested. Depending upon the type of information requested, a peer may provide multiple varying responses over time (as is the case for periodic remote peer Monitoring). <P> At the time of writing this documentation Service Monitoring is the only type of Peer Information available though the implementation and underlying protocol can support other types of information. <P> See the document: <UL> <LI> <I> JXTA Metering and Monitoring Project </I> </LI> <LI> <I> The JXTA Metering and Monitoring Project Architecture </I> </LI> <LI> <I> Building and Configuring JXTA with Monitoring Capabilities </I> </LI> <LI> <I> JXTA Monitor: GUI Rendering of Metered Peer Info </I> </LI> </UL><P><P><DL><DT><B>Since:</B></DT> <DD>JXTA 1.0</DD><DT><B>See Also:</B><DD><A HREF="../../../net/jxta/meter/MonitorFilter.html" title="class in net.jxta.meter"><CODE>MonitorFilter</CODE></A>, <A HREF="../../../net/jxta/meter/MonitorReport.html" title="class in net.jxta.meter"><CODE>MonitorReport</CODE></A>, <A HREF="../../../net/jxta/meter/ServiceMonitor.html" title="interface in net.jxta.meter"><CODE>ServiceMonitor</CODE></A>, <A HREF="../../../net/jxta/meter/PeerMonitorInfo.html" title="class in net.jxta.meter"><CODE>PeerMonitorInfo</CODE></A>, <A HREF="../../../net/jxta/protocol/PeerInfoQueryMessage.html" title="class in net.jxta.protocol"><CODE>PeerInfoQueryMessage</CODE></A>, <A HREF="../../../net/jxta/protocol/PeerInfoResponseMessage.html" title="class in net.jxta.protocol"><CODE>PeerInfoResponseMessage</CODE></A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== 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></TABLE> <A NAME="fields_inherited_from_class_net.jxta.platform.Module"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface net.jxta.platform.<A HREF="../../../net/jxta/platform/Module.html" title="interface in net.jxta.platform">Module</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../net/jxta/platform/Module.html#START_AGAIN_PROGRESS">START_AGAIN_PROGRESS</A>, <A HREF="../../../net/jxta/platform/Module.html#START_AGAIN_STALLED">START_AGAIN_STALLED</A>, <A HREF="../../../net/jxta/platform/Module.html#START_OK">START_OK</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== 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> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/peer/PeerInfoService.html#addMonitorListener(net.jxta.meter.MonitorFilter, long, boolean, net.jxta.meter.MonitorListener)">addMonitorListener</A></B>(<A HREF="../../../net/jxta/meter/MonitorFilter.html" title="class in net.jxta.meter">MonitorFilter</A> monitorFilter, long reportRate, boolean includeCumulative, <A HREF="../../../net/jxta/meter/MonitorListener.html" title="interface in net.jxta.meter">MonitorListener</A> monitorListener)</CODE><BR> Get MonitorReports at a specified rates of metrics accrued over time from the ServiceMonitors (specified in the MonitorFilter) about the local Peer. </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/peer/PeerInfoService.html#addRemoteMonitorListener(net.jxta.peer.PeerID, net.jxta.meter.MonitorFilter, long, boolean, net.jxta.meter.MonitorListener, long, long)">addRemoteMonitorListener</A></B>(<A HREF="../../../net/jxta/peer/PeerID.html" title="class in net.jxta.peer">PeerID</A> peerID, <A HREF="../../../net/jxta/meter/MonitorFilter.html" title="class in net.jxta.meter">MonitorFilter</A> monitorFilter, long reportRate, boolean includeCumulative, <A HREF="../../../net/jxta/meter/MonitorListener.html" title="interface in net.jxta.meter">MonitorListener</A> monitorListener, long lease, long timeout)</CODE><BR> Get MonitorReports at a specified rates of metrics accrued over time from the ServiceMonitors (specified in the MonitorFilter) about the specified remote Peer. </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/peer/PeerInfoService.html#getBestReportRate(long)">getBestReportRate</A></B>(long desiredReportRate)</CODE><BR> Asynchronous reporting of Monitored data may be obtained only at rates supported by the MonitorManager on the peer. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../net/jxta/meter/MonitorReport.html" title="class in net.jxta.meter">MonitorReport</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/peer/PeerInfoService.html#getCumulativeMonitorReport(net.jxta.meter.MonitorFilter)">getCumulativeMonitorReport</A></B>(<A HREF="../../../net/jxta/meter/MonitorFilter.html" title="class in net.jxta.meter">MonitorFilter</A> monitorFilter)</CODE><BR> Get a MonitorReport of total accumulated metrics from the ServiceMonitors (specified in the MonitorFilter) since they were created/reset for the local Peer.</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/peer/PeerInfoService.html#getCumulativeMonitorReport(net.jxta.peer.PeerID, net.jxta.meter.MonitorFilter, net.jxta.meter.MonitorListener, long)">getCumulativeMonitorReport</A></B>(<A HREF="../../../net/jxta/peer/PeerID.html" title="class in net.jxta.peer">PeerID</A> peerID, <A HREF="../../../net/jxta/meter/MonitorFilter.html" title="class in net.jxta.meter">MonitorFilter</A> monitorFilter, <A HREF="../../../net/jxta/meter/MonitorListener.html" title="interface in net.jxta.meter">MonitorListener</A> monitorListener, long timeout)</CODE><BR> Get a MonitorReport of total accumulated metrics from the ServiceMonitors (specified in the MonitorFilter) since they were created/reset for the specified remote Peer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../net/jxta/meter/PeerMonitorInfo.html" title="class in net.jxta.meter">PeerMonitorInfo</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/peer/PeerInfoService.html#getPeerMonitorInfo()">getPeerMonitorInfo</A></B>()</CODE><BR> Obtain the monitoring capabilities of the Local Peer. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD>⌨️ 快捷键说明
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