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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>RefCountPeerGroupInterface (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.impl.peergroup.RefCountPeerGroupInterface class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="RefCountPeerGroupInterface (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/RefCountPeerGroupInterface.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/peergroup/Platform.html" title="class in net.jxta.impl.peergroup"><B>PREV CLASS</B></A> <A HREF="../../../../net/jxta/impl/peergroup/ShadowPeerGroup.html" title="class in net.jxta.impl.peergroup"><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="RefCountPeerGroupInterface.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 | <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.peergroup</FONT><BR>Class RefCountPeerGroupInterface</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../net/jxta/impl/peergroup/PeerGroupInterface.html" title="class in net.jxta.impl.peergroup">net.jxta.impl.peergroup.PeerGroupInterface</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>net.jxta.impl.peergroup.RefCountPeerGroupInterface</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../net/jxta/platform/Module.html" title="interface in net.jxta.platform">Module</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html" title="interface in net.jxta.peergroup">PeerGroup</A>, <A HREF="../../../../net/jxta/impl/peergroup/RefPeerGroup.html" title="interface in net.jxta.impl.peergroup">RefPeerGroup</A>, <A HREF="../../../../net/jxta/service/Service.html" title="interface in net.jxta.service">Service</A></DD></DL><HR><DL><DT> class <B>RefCountPeerGroupInterface</B><DT>extends <A HREF="../../../../net/jxta/impl/peergroup/PeerGroupInterface.html" title="class in net.jxta.impl.peergroup">PeerGroupInterface</A></DL><P>RefCountPeerGroupInterface is a PeerGroupInterface object that also serves as a peergroup very-strong reference. When the last such goes away, the peergroup terminates itself despite the existence of aeternal strong references from the various service's threads that would prevent it from ever being finalized. The alternative: to give only weak references to threads seems impractical.<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.peergroup.PeerGroup"><!-- --></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.peergroup.<A HREF="../../../../net/jxta/peergroup/PeerGroup.html" title="interface in net.jxta.peergroup">PeerGroup</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../net/jxta/peergroup/PeerGroup.GlobalRegistry.html" title="class in net.jxta.peergroup">PeerGroup.GlobalRegistry</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.IdMaker.html" title="class in net.jxta.peergroup">PeerGroup.IdMaker</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>protected <A HREF="../../../../net/jxta/impl/peergroup/RefPeerGroup.html" title="interface in net.jxta.impl.peergroup">RefPeerGroup</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/peergroup/RefCountPeerGroupInterface.html#groupImpl">groupImpl</A></B></CODE><BR> The peer group instance which backs this interface object.</TD></TR></TABLE> <A NAME="fields_inherited_from_class_net.jxta.peergroup.PeerGroup"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface net.jxta.peergroup.<A HREF="../../../../net/jxta/peergroup/PeerGroup.html" title="interface in net.jxta.peergroup">PeerGroup</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../net/jxta/peergroup/PeerGroup.html#accessClassID">accessClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#allPurposePeerGroupSpecID">allPurposePeerGroupSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#applicationClassID">applicationClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#Both">Both</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#DEFAULT_EXPIRATION">DEFAULT_EXPIRATION</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#DEFAULT_LIFETIME">DEFAULT_LIFETIME</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#discoveryClassID">discoveryClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#endpointClassID">endpointClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#FromParent">FromParent</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#globalRegistry">globalRegistry</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#Here">Here</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#httpProtoClassID">httpProtoClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#membershipClassID">membershipClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#peerGroupClassID">peerGroupClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#peerinfoClassID">peerinfoClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#pipeClassID">pipeClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#proxyClassID">proxyClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refAccessSpecID">refAccessSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refDiscoverySpecID">refDiscoverySpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refEndpointSpecID">refEndpointSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refHttpProtoSpecID">refHttpProtoSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refMembershipSpecID">refMembershipSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refNetPeerGroupSpecID">refNetPeerGroupSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refPeerinfoSpecID">refPeerinfoSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refPipeSpecID">refPipeSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refPlatformSpecID">refPlatformSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refProxySpecID">refProxySpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refRelayProtoSpecID">refRelayProtoSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refRendezvousSpecID">refRendezvousSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refResolverSpecID">refResolverSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refRouterProtoSpecID">refRouterProtoSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refShellSpecID">refShellSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refStartNetPeerGroupSpecID">refStartNetPeerGroupSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refTcpProtoSpecID">refTcpProtoSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#refTlsProtoSpecID">refTlsProtoSpecID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#relayProtoClassID">relayProtoClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#rendezvousClassID">rendezvousClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#resolverClassID">resolverClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#routerProtoClassID">routerProtoClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#tcpProtoClassID">tcpProtoClassID</A>, <A HREF="../../../../net/jxta/peergroup/PeerGroup.html#tlsProtoClassID">tlsProtoClassID</A></CODE></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 ======== --><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/peergroup/RefCountPeerGroupInterface.html#RefCountPeerGroupInterface(net.jxta.impl.peergroup.GenericPeerGroup)">RefCountPeerGroupInterface</A></B>(<A HREF="../../../../net/jxta/impl/peergroup/GenericPeerGroup.html" title="class in net.jxta.impl.peergroup">GenericPeerGroup</A> theRealThing)</CODE><BR> Constructs an interface object that front-ends a given PeerGroup object.</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> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/peergroup/RefCountPeerGroupInterface.html#compatible(net.jxta.document.Element)">compatible</A></B>(<A HREF="../../../../net/jxta/document/Element.html" title="interface in net.jxta.document">Element</A> compat)</CODE><BR> Return true if the provided compatibility statement is compatible with this group.</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/peergroup/RefCountPeerGroupInterface.html#finalize()">finalize</A></B>()</CODE><BR> stopApp used to be the standard way of giving up on a group instance, but now that goup instance can be shared, the standard of letting go of a peer group is to stop referencing it. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../net/jxta/access/AccessService.html" title="interface in net.jxta.access">AccessService</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/peergroup/RefCountPeerGroupInterface.html#getAccessService()">getAccessService</A></B>()</CODE><BR> Return the Access Service for this Peer Group. This service is present in every Peer Group.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../net/jxta/protocol/ModuleImplAdvertisement.html" title="class in net.jxta.protocol">ModuleImplAdvertisement</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../net/jxta/impl/peergroup/RefCountPeerGroupInterface.html#getAllPurposePeerGroupImplAdvertisement()">getAllPurposePeerGroupImplAdvertisement</A></B>()</CODE><BR> Get an all purpose peerGroup ModuleImplAdvertisement that is compatible with this group. This impl adv can be used to create any group that relies only on the standard services. Or to derive other impl advs, using this impl advertisement as a basis.</TD></TR>⌨️ 快捷键说明
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