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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><!-- Generated by javadoc (build 1.4.2_02) on Thu Nov 13 17:20:57 PST 2003 --><TITLE>RelationService (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.management.relation.RelationService class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="RelationService (Java 2 Platform Ent. 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Ed. v1.4</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/management/relation/RelationNotification.html" title="class in javax.management.relation"><B>PREV CLASS</B></A> <A HREF="../../../javax/management/relation/RelationSupport.html" title="class in javax.management.relation"><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="RelationService.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 | <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">javax.management.relation</FONT><BR>Class RelationService</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../javax/management/NotificationBroadcasterSupport.html" title="class in javax.management">javax.management.NotificationBroadcasterSupport</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>javax.management.relation.RelationService</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/EventListener.html" title="class or interface in java.util">EventListener</A>, <A HREF="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</A>, <A HREF="../../../javax/management/NotificationBroadcaster.html" title="interface in javax.management">NotificationBroadcaster</A>, <A HREF="../../../javax/management/NotificationEmitter.html" title="interface in javax.management">NotificationEmitter</A>, <A HREF="../../../javax/management/NotificationListener.html" title="interface in javax.management">NotificationListener</A>, <A HREF="../../../javax/management/relation/RelationServiceMBean.html" title="interface in javax.management.relation">RelationServiceMBean</A></DD></DL><HR><DL><DT>public class <B>RelationService</B><DT>extends <A HREF="../../../javax/management/NotificationBroadcasterSupport.html" title="class in javax.management">NotificationBroadcasterSupport</A><DT>implements <A HREF="../../../javax/management/relation/RelationServiceMBean.html" title="interface in javax.management.relation">RelationServiceMBean</A>, <A HREF="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</A>, <A HREF="../../../javax/management/NotificationListener.html" title="interface in javax.management">NotificationListener</A></DL><P>The Relation Service is in charge of creating and deleting relation types and relations, of handling the consistency and of providing query mechanisms. <P>It implements the NotificationBroadcaster by extending NotificationBroadcasterSupport to send notifications when a relation is removed from it. <P>It implements the NotificationListener interface to be able to receive notifications concerning unregistration of MBeans referenced in relation roles and of relation MBeans. <P>It implements the MBeanRegistration interface to be able to retrieve its ObjectName and MBean Server.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== 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><CODE><B><A HREF="../../../javax/management/relation/RelationService.html#RelationService(boolean)">RelationService</A></B>(boolean theImmediatePurgeFlg)</CODE><BR> Constructor.</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="../../../javax/management/relation/RelationService.html#addRelation(javax.management.ObjectName)">addRelation</A></B>(<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A> theRelObjectName)</CODE><BR> Adds an MBean created by the user (and registered by him in the MBean Server) as a relation in the Relation Service. </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="../../../javax/management/relation/RelationService.html#addRelationType(javax.management.relation.RelationType)">addRelationType</A></B>(<A HREF="../../../javax/management/relation/RelationType.html" title="interface in javax.management.relation">RelationType</A> theRelTypeObj)</CODE><BR> Adds given object as a relation type. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/management/relation/RelationService.html#checkRoleReading(java.lang.String, java.lang.String)">checkRoleReading</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> theRoleName, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> theRelTypeName)</CODE><BR> Checks if given Role can be read in a relation of the given type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/management/relation/RelationService.html#checkRoleWriting(javax.management.relation.Role, java.lang.String, java.lang.Boolean)">checkRoleWriting</A></B>(<A HREF="../../../javax/management/relation/Role.html" title="class in javax.management.relation">Role</A> theRole, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> theRelTypeName, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Boolean.html" title="class or interface in java.lang">Boolean</A> theInitFlg)</CODE><BR> Checks if given Role can be set in a relation of given type.</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="../../../javax/management/relation/RelationService.html#createRelation(java.lang.String, java.lang.String, javax.management.relation.RoleList)">createRelation</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> theRelId, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> theRelTypeName, <A HREF="../../../javax/management/relation/RoleList.html" title="class in javax.management.relation">RoleList</A> theRoleList)</CODE><BR>⌨️ 快捷键说明
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