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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 17:20:53 PST 2003 --><TITLE>NotificationFilterSupport (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.management.NotificationFilterSupport class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="NotificationFilterSupport (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/NotificationBroadcasterSupport.html" title="class in javax.management"><B>PREV CLASS</B></A> <A HREF="../../javax/management/ObjectInstance.html" title="class in javax.management"><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="NotificationFilterSupport.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</FONT><BR>Class NotificationFilterSupport</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"><B>javax.management.NotificationFilterSupport</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../javax/management/NotificationFilter.html" title="interface in javax.management">NotificationFilter</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../javax/management/relation/MBeanServerNotificationFilter.html" title="class in javax.management.relation">MBeanServerNotificationFilter</A></DD></DL><HR><DL><DT>public class <B>NotificationFilterSupport</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../javax/management/NotificationFilter.html" title="interface in javax.management">NotificationFilter</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DL><P>Provides an implementation of the <A HREF="../../javax/management/NotificationFilter.html" title="interface in javax.management"><CODE>NotificationFilter</CODE></A> interface. The filtering is performed on the notification type attribute. <P> Manages a list of enabled notification types. A method allows users to enable/disable as many notification types as required. <P> Then, before sending a notification to a listener registered with a filter, the notification broadcaster compares this notification type with all notification types enabled by the filter. The notification will be sent to the listener only if its filter enables this notification type. <P> Example: <BLOCKQUOTE> <PRE> NotificationFilterSupport myFilter = new NotificationFilterSupport(); myFilter.enableType("my_example.my_type"); myBroadcaster.addListener(myListener, myFilter, null); </PRE> </BLOCKQUOTE> The listener <CODE>myListener</CODE> will only receive notifications the type of which equals/starts with "my_example.my_type".<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../javax/management/NotificationBroadcaster.html#addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)"><CODE>NotificationBroadcaster.addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)</CODE></A>, <A HREF="../../serialized-form.html#javax.management.NotificationFilterSupport">Serialized Form</A></DL><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/NotificationFilterSupport.html#NotificationFilterSupport()">NotificationFilterSupport</A></B>()</CODE><BR> </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/NotificationFilterSupport.html#disableAllTypes()">disableAllTypes</A></B>()</CODE><BR> Disables all notification types.</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/NotificationFilterSupport.html#disableType(java.lang.String)">disableType</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> prefix)</CODE><BR> Removes the given prefix from the prefix list. </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/NotificationFilterSupport.html#enableType(java.lang.String)">enableType</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> prefix)</CODE><BR> Enables all the notifications the type of which starts with the specified prefix to be sent to the listener. </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/util/Vector.html" title="class or interface in java.util">Vector</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/management/NotificationFilterSupport.html#getEnabledTypes()">getEnabledTypes</A></B>()</CODE><BR> Gets all the enabled notification types for this filter.</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="../../javax/management/NotificationFilterSupport.html#isNotificationEnabled(javax.management.Notification)">isNotificationEnabled</A></B>(<A HREF="../../javax/management/Notification.html" title="class in javax.management">Notification</A> notification)</CODE><BR> Invoked before sending the specified notification to the listener. </TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>⌨️ 快捷键说明
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