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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 17:20:21 PST 2003 --><TITLE>javax.ejb (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.ejb package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="javax.ejb (Java 2 Platform Ent. Ed. v1.4)";}</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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </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><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Ent. Ed. v1.4</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/activation/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../javax/ejb/spi/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.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></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>Package javax.ejb</H2>The javax.ejb package contains the Enterprise JavaBeans classes and interfaces that define the contracts between the enterprise bean and its clients and between the enterprise bean and the EJB container.<P><B>See:</B><BR> <A HREF="#package_description"><B>Description</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Interface Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EJBContext.html" title="interface in javax.ejb">EJBContext</A></B></TD><TD>The EJBContext interface provides an instance with access to the container-provided runtime context of an enterprise Bean instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EJBHome.html" title="interface in javax.ejb">EJBHome</A></B></TD><TD>The EJBHome interface must be extended by all enterprise Beans' remote home interfaces. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EJBLocalHome.html" title="interface in javax.ejb">EJBLocalHome</A></B></TD><TD>The EJBLocalHome interface must be extended by all enterprise Beans' local home interfaces. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EJBLocalObject.html" title="interface in javax.ejb">EJBLocalObject</A></B></TD><TD>The EJBLocalObject interface must be extended by all enterprise Beans' local interfaces. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EJBMetaData.html" title="interface in javax.ejb">EJBMetaData</A></B></TD><TD>The EJBMetaData interface allows a client to obtain the enterprise Bean's meta-data information. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EJBObject.html" title="interface in javax.ejb">EJBObject</A></B></TD><TD>The EJBObject interface is extended by all enterprise Beans' remote interfaces. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EnterpriseBean.html" title="interface in javax.ejb">EnterpriseBean</A></B></TD><TD>The EnterpriseBean interface must be implemented by every enterprise Bean class. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EntityBean.html" title="interface in javax.ejb">EntityBean</A></B></TD><TD>The EntityBean interface is implemented by every entity enterprise Bean class. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/EntityContext.html" title="interface in javax.ejb">EntityContext</A></B></TD><TD>The EntityContext interface provides an instance with access to the container-provided runtime context of an entity enterprise Bean instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/Handle.html" title="interface in javax.ejb">Handle</A></B></TD><TD>The Handle interface is implemented by all EJB object handles. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/HomeHandle.html" title="interface in javax.ejb">HomeHandle</A></B></TD><TD>The HomeHandle interface is implemented by all home object handles. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/MessageDrivenBean.html" title="interface in javax.ejb">MessageDrivenBean</A></B></TD><TD>The MessageDrivenBean interface is implemented by every message-driven enterprise Bean class. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/MessageDrivenContext.html" title="interface in javax.ejb">MessageDrivenContext</A></B></TD><TD>The MessageDrivenContext interface provides access to the runtime message-driven context that the container provides for a message-driven enterprise Bean instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/SessionBean.html" title="interface in javax.ejb">SessionBean</A></B></TD><TD>The SessionBean interface is implemented by every session enterprise Bean class. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/SessionContext.html" title="interface in javax.ejb">SessionContext</A></B></TD><TD>The SessionContext interface provides access to the runtime session context that the container provides for a session enterprise Bean instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../javax/ejb/SessionSynchronization.html" title="interface in javax.ejb">SessionSynchronization</A></B></TD><TD> The SessionSynchronization interface allows a session Bean instance to be notified by its container of transaction boundaries.⌨️ 快捷键说明
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