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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 1.6.0_04) on Tue Feb 19 10:50:43 MST 2008 --><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><TITLE>IoSessionAttributeMap (Apache MINA 2.0.0-M1 API Documentation)</TITLE><META NAME="date" CONTENT="2008-02-19"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ if (location.href.indexOf('is-external=true') == -1) { parent.document.title="IoSessionAttributeMap (Apache MINA 2.0.0-M1 API Documentation)"; }}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><HR><!-- ========= 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=2 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/IoSessionAttributeMap.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></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common"><B>PREV CLASS</B></A> <A HREF="../../../../org/apache/mina/common/IoSessionConfig.html" title="interface in org.apache.mina.common"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/apache/mina/common/IoSessionAttributeMap.html" target="_top"><B>FRAMES</B></A> <A HREF="IoSessionAttributeMap.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">org.apache.mina.common</FONT><BR>Interface IoSessionAttributeMap</H2><HR><DL><DT><PRE>public interface <B>IoSessionAttributeMap</B></DL></PRE><P>Stores the user-defined attributes which is provided per <A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common"><CODE>IoSession</CODE></A>. All user-defined attribute accesses in <A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common"><CODE>IoSession</CODE></A> are forwarded to the instance of <A HREF="../../../../org/apache/mina/common/IoSessionAttributeMap.html" title="interface in org.apache.mina.common"><CODE>IoSessionAttributeMap</CODE></A>.<P><P><DL><DT><B>Version:</B></DT> <DD>$Rev: 601679 $, $Date: 2007-12-06 03:13:21 -0700 (Thu, 06 Dec 2007) $</DD><DT><B>Author:</B></DT> <DD>The Apache MINA Project (dev@mina.apache.org)</DD></DL><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></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="../../../../org/apache/mina/common/IoSessionAttributeMap.html#containsAttribute(org.apache.mina.common.IoSession, java.lang.Object)">containsAttribute</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key)</CODE><BR> Returns <tt>true</tt> if this session contains the attribute with the specified <tt>key</tt>.</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="../../../../org/apache/mina/common/IoSessionAttributeMap.html#dispose(org.apache.mina.common.IoSession)">dispose</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session)</CODE><BR> Disposes any releases associated with the specified session.</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/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/mina/common/IoSessionAttributeMap.html#getAttribute(org.apache.mina.common.IoSession, java.lang.Object, java.lang.Object)">getAttribute</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> defaultValue)</CODE><BR> Returns the value of user defined attribute associated with the specified key.</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/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A><<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/mina/common/IoSessionAttributeMap.html#getAttributeKeys(org.apache.mina.common.IoSession)">getAttributeKeys</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session)</CODE><BR> Returns the set of keys of all user-defined attributes.</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/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/mina/common/IoSessionAttributeMap.html#removeAttribute(org.apache.mina.common.IoSession, java.lang.Object)">removeAttribute</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key)</CODE><BR> Removes a user-defined attribute with the specified key.</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="../../../../org/apache/mina/common/IoSessionAttributeMap.html#removeAttribute(org.apache.mina.common.IoSession, java.lang.Object, java.lang.Object)">removeAttribute</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> value)</CODE><BR> Removes a user defined attribute with the specified key if the current attribute value is equal to the specified value.</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="../../../../org/apache/mina/common/IoSessionAttributeMap.html#replaceAttribute(org.apache.mina.common.IoSession, java.lang.Object, java.lang.Object, java.lang.Object)">replaceAttribute</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> oldValue, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> newValue)</CODE><BR> Replaces a user defined attribute with the specified key if the value of the attribute is equals to the specified old value.</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/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/mina/common/IoSessionAttributeMap.html#setAttribute(org.apache.mina.common.IoSession, java.lang.Object, java.lang.Object)">setAttribute</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> value)</CODE><BR> Sets a user-defined attribute.</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/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/apache/mina/common/IoSessionAttributeMap.html#setAttributeIfAbsent(org.apache.mina.common.IoSession, java.lang.Object, java.lang.Object)">setAttributeIfAbsent</A></B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> value)</CODE><BR> Sets a user defined attribute if the attribute with the specified key is not set yet.</TD></TR></TABLE> <P><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="getAttribute(org.apache.mina.common.IoSession, java.lang.Object, java.lang.Object)"><!-- --></A><H3>getAttribute</H3><PRE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>getAttribute</B>(<A HREF="../../../../org/apache/mina/common/IoSession.html" title="interface in org.apache.mina.common">IoSession</A> session, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> key, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> defaultValue)</PRE><DL><DD>Returns the value of user defined attribute associated with the⌨️ 快捷键说明
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