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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 17:20:33 PST 2003 --><TITLE>EntityContext (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.ejb.EntityContext interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="EntityContext (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="#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="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/ejb/EntityBean.html" title="interface in javax.ejb"><B>PREV CLASS</B></A> <A HREF="../../javax/ejb/Handle.html" title="interface in javax.ejb"><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="EntityContext.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">javax.ejb</FONT><BR>Interface EntityContext</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../javax/ejb/EJBContext.html" title="interface in javax.ejb">EJBContext</A></DD></DL><HR><DL><DT>public interface <B>EntityContext</B><DT>extends <A HREF="../../javax/ejb/EJBContext.html" title="interface in javax.ejb">EJBContext</A></DL><P>The EntityContext interface provides an instance with access to the container-provided runtime context of an entity enterprise Bean instance. The container passes the EntityContext interface to an entity enterprise Bean instance after the instance has been created. <p> The EntityContext interface remains associated with the instance for the lifetime of the instance. Note that the information that the instance obtains using the EntityContext interface (such as the result of the getPrimaryKey() method) may change, as the container assigns the instance to different EJB objects during the instance's life cycle.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== 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> <A HREF="../../javax/ejb/EJBLocalObject.html" title="interface in javax.ejb">EJBLocalObject</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/EntityContext.html#getEJBLocalObject()">getEJBLocalObject</A></B>()</CODE><BR> Obtain a reference to the EJB local object that is currently associated with the instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/ejb/EJBObject.html" title="interface in javax.ejb">EJBObject</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/EntityContext.html#getEJBObject()">getEJBObject</A></B>()</CODE><BR> Obtain a reference to the EJB object that is currently associated with the instance. </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/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/EntityContext.html#getPrimaryKey()">getPrimaryKey</A></B>()</CODE><BR> Obtain the primary key of the EJB object that is currently associated with this instance. </TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.ejb.EJBContext"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from interface javax.ejb.<A HREF="../../javax/ejb/EJBContext.html" title="interface in javax.ejb">EJBContext</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../javax/ejb/EJBContext.html#getCallerIdentity()">getCallerIdentity</A>, <A HREF="../../javax/ejb/EJBContext.html#getCallerPrincipal()">getCallerPrincipal</A>, <A HREF="../../javax/ejb/EJBContext.html#getEJBHome()">getEJBHome</A>, <A HREF="../../javax/ejb/EJBContext.html#getEJBLocalHome()">getEJBLocalHome</A>, <A HREF="../../javax/ejb/EJBContext.html#getEnvironment()">getEnvironment</A>, <A HREF="../../javax/ejb/EJBContext.html#getRollbackOnly()">getRollbackOnly</A>, <A HREF="../../javax/ejb/EJBContext.html#getTimerService()">getTimerService</A>, <A HREF="../../javax/ejb/EJBContext.html#getUserTransaction()">getUserTransaction</A>, <A HREF="../../javax/ejb/EJBContext.html#isCallerInRole(java.security.Identity)">isCallerInRole</A>, <A HREF="../../javax/ejb/EJBContext.html#isCallerInRole(java.lang.String)">isCallerInRole</A>, <A HREF="../../javax/ejb/EJBContext.html#setRollbackOnly()">setRollbackOnly</A></CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getEJBLocalObject()"><!-- --></A><H3>getEJBLocalObject</H3><PRE>public <A HREF="../../javax/ejb/EJBLocalObject.html" title="interface in javax.ejb">EJBLocalObject</A> <B>getEJBLocalObject</B>() throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></PRE><DL><DD>Obtain a reference to the EJB local object that is currently associated with the instance. <p> An instance of an entity enterprise Bean can call this method only when the instance is associated with an EJB local object identity, i.e. in the ejbActivate, ejbPassivate, ejbPostCreate, ejbRemove, ejbLoad, ejbStore, and business methods. <p> An instance can use this method, for example, when it wants to pass a reference to itself in a method argument or result.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>The EJB local object currently associated with the instance.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the instance invokes this method while the instance is in a state that does not allow the instance to invoke this method, or if the instance does not have a local interface.</DL></DD></DL><HR><A NAME="getEJBObject()"><!-- --></A><H3>getEJBObject</H3><PRE>public <A HREF="../../javax/ejb/EJBObject.html" title="interface in javax.ejb">EJBObject</A> <B>getEJBObject</B>() throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></PRE><DL><DD>Obtain a reference to the EJB object that is currently associated with the instance. <p> An instance of an entity enterprise Bean can call this method only when the instance is associated with an EJB object identity, i.e. in the ejbActivate, ejbPassivate, ejbPostCreate, ejbRemove, ejbLoad, ejbStore, and business methods. <p> An instance can use this method, for example, when it wants to pass a reference to itself in a method argument or result.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>The EJB object currently associated with the instance.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - Thrown if the instance invokes this method while the instance is in a state that does not allow the instance to invoke this method, or if the instance does not have a remote interface.</DL></DD></DL><HR><A NAME="getPrimaryKey()"><!-- --></A><H3>getPrimaryKey</H3><PRE>public <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>getPrimaryKey</B>() throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></PRE><DL><DD>Obtain the primary key of the EJB object that is currently associated with this instance. <p> An instance of an entity enterprise Bean can call this method only when the instance is associated with an EJB object identity, i.e. in the ejbActivate, ejbPassivate, ejbPostCreate, ejbRemove, ejbLoad, ejbStore, and business methods. <p><b>Note</b>: The result of this method is that same as the result of getEJBObject().getPrimaryKey().<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>The primary key currently associated with the instance.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - Thrown if the instance invokes this method while the instance is in a state that does not allow the instance to invoke this method.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_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="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. 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