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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:34:30 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class BeanContextMembershipEvent</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <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/BeanContextMembershipEvent.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-files/index-1.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><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../java/beans/beancontext/BeanContextEvent.html"><B>PREV CLASS</B></A> <A HREF="../../../java/beans/beancontext/BeanContextServiceAvailableEvent.html"><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="BeanContextMembershipEvent.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">java.beans.beancontext</FONT><BR>Class BeanContextMembershipEvent</H2><PRE><A HREF="../../../java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../../../java/util/EventObject.html">java.util.EventObject</A> | +--<A HREF="../../../java/beans/beancontext/BeanContextEvent.html">java.beans.beancontext.BeanContextEvent</A> | +--<B>java.beans.beancontext.BeanContextMembershipEvent</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../java/io/Serializable.html">Serializable</A></DD></DL><HR><DL><DT>public class <B>BeanContextMembershipEvent</B><DT>extends <A HREF="../../../java/beans/beancontext/BeanContextEvent.html">BeanContextEvent</A></DL><P>A <code>BeanContextMembershipEvent</code> encapsulates the list of children added to, or removed from, the membership of a particular <code>BeanContext</code>. An instance of this event is fired whenever a successful add(), remove(), retainAll(), removeAll(), or clear() is invoked on a given <code>BeanContext</code> instance. Objects interested in receiving events of this type must implement the <code>BeanContextMembershipListener</code> interface, and must register their intent via the <code>BeanContext</code>'s <code>addBeanContextMembershipListener(BeanContextMembershipListener bcml) </code> method.<P><DL><DT><B>Since: </B><DD>1.2</DD><DT><B>See Also: </B><DD><A HREF="../../../java/beans/beancontext/BeanContext.html"><CODE>BeanContext</CODE></A>, <A HREF="../../../java/beans/beancontext/BeanContextEvent.html"><CODE>BeanContextEvent</CODE></A>, <A HREF="../../../java/beans/beancontext/BeanContextMembershipListener.html"><CODE>BeanContextMembershipListener</CODE></A>, <A HREF="../../../serialized-form.html#java.beans.beancontext.BeanContextMembershipEvent">Serialized Form</A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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="../../../java/util/Collection.html">Collection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/beans/beancontext/BeanContextMembershipEvent.html#children">children</A></B></CODE><BR> The list of children affected by this event notification.</TD></TR></TABLE> <A NAME="fields_inherited_from_class_java.beans.beancontext.BeanContextEvent"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class java.beans.beancontext.<A HREF="../../../java/beans/beancontext/BeanContextEvent.html">BeanContextEvent</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../java/beans/beancontext/BeanContextEvent.html#propagatedFrom">propagatedFrom</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_java.util.EventObject"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class java.util.<A HREF="../../../java/util/EventObject.html">EventObject</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../java/util/EventObject.html#source">source</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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="../../../java/beans/beancontext/BeanContextMembershipEvent.html#BeanContextMembershipEvent(java.beans.beancontext.BeanContext, java.util.Collection)">BeanContextMembershipEvent</A></B>(<A HREF="../../../java/beans/beancontext/BeanContext.html">BeanContext</A> bc, <A HREF="../../../java/util/Collection.html">Collection</A> changes)</CODE><BR> Contruct a BeanContextMembershipEvent</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../java/beans/beancontext/BeanContextMembershipEvent.html#BeanContextMembershipEvent(java.beans.beancontext.BeanContext, java.lang.Object[])">BeanContextMembershipEvent</A></B>(<A HREF="../../../java/beans/beancontext/BeanContext.html">BeanContext</A> bc, <A HREF="../../../java/lang/Object.html">Object</A>[] changes)</CODE><BR> Contruct a BeanContextMembershipEvent</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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="../../../java/beans/beancontext/BeanContextMembershipEvent.html#contains(java.lang.Object)">contains</A></B>(<A HREF="../../../java/lang/Object.html">Object</A> child)</CODE><BR> Is the child specified affected by the event?</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/util/Iterator.html">Iterator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/beans/beancontext/BeanContextMembershipEvent.html#iterator()">iterator</A></B>()</CODE><BR> Gets the array of children affected by this event.</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="../../../java/beans/beancontext/BeanContextMembershipEvent.html#size()">size</A></B>()</CODE><BR> Gets the number of children affected by the notification.</TD></TR>⌨️ 快捷键说明
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