📄 ejbobject.html
字号:
<!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>EJBObject (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.ejb.EJBObject interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="EJBObject (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/EJBMetaData.html" title="interface in javax.ejb"><B>PREV CLASS</B></A> <A HREF="../../javax/ejb/EnterpriseBean.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="EJBObject.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 EJBObject</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/Remote.html" title="class or interface in java.rmi">Remote</A></DD></DL><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../javax/management/j2ee/Management.html" title="interface in javax.management.j2ee">Management</A></DD></DL><HR><DL><DT>public interface <B>EJBObject</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/Remote.html" title="class or interface in java.rmi">Remote</A></DL><P>The EJBObject interface is extended by all enterprise Beans' remote interfaces. An enterprise Bean's remote interface provides the remote client view of an EJB object. An enterprise Bean's remote interface defines the business methods callable by a remote client. <p> The remote interface must extend the javax.ejb.EJBObject interface, and define the enterprise Bean specific business methods. <p> The enterprise Bean's remote interface is defined by the enterprise Bean provider and implemented by the enterprise Bean container.<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/EJBHome.html" title="interface in javax.ejb">EJBHome</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/EJBObject.html#getEJBHome()">getEJBHome</A></B>()</CODE><BR> Obtain the enterprise Bean's remote home interface. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/ejb/Handle.html" title="interface in javax.ejb">Handle</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/EJBObject.html#getHandle()">getHandle</A></B>()</CODE><BR> Obtain a handle for the EJB object. </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/EJBObject.html#getPrimaryKey()">getPrimaryKey</A></B>()</CODE><BR> Obtain the primary key of the EJB object. </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/ejb/EJBObject.html#isIdentical(javax.ejb.EJBObject)">isIdentical</A></B>(<A HREF="../../javax/ejb/EJBObject.html" title="interface in javax.ejb">EJBObject</A> obj)</CODE><BR> Test if a given EJB object is identical to the invoked EJB object.</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/ejb/EJBObject.html#remove()">remove</A></B>()</CODE><BR> Remove the EJB object.</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="getEJBHome()"><!-- --></A><H3>getEJBHome</H3><PRE>public <A HREF="../../javax/ejb/EJBHome.html" title="interface in javax.ejb">EJBHome</A> <B>getEJBHome</B>() throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></PRE><DL><DD>Obtain the enterprise Bean's remote home interface. The remote home interface defines the enterprise Bean's create, finder, remove, and home business methods.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>A reference to the enterprise Bean's home interface.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></CODE> - Thrown when the method failed due to a system-level failure.</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/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></PRE><DL><DD>Obtain the primary key of the EJB object. <p> This method can be called on an entity bean. An attempt to invoke this method on a session bean will result in RemoteException.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>The EJB object's primary key.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></CODE> - Thrown when the method failed due to a system-level failure or when invoked on a session bean.</DL></DD></DL><HR><A NAME="remove()"><!-- --></A><H3>remove</H3><PRE>public void <B>remove</B>() throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A>, <A HREF="../../javax/ejb/RemoveException.html" title="class in javax.ejb">RemoveException</A></PRE><DL><DD>Remove the EJB object.<P><DD><DL></DL></DD><DD><DL><DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></CODE> - Thrown when the method failed due to a system-level failure.<DD><CODE><A HREF="../../javax/ejb/RemoveException.html" title="class in javax.ejb">RemoveException</A></CODE> - The enterprise Bean or the container does not allow destruction of the object.</DL></DD></DL><HR><A NAME="getHandle()"><!-- --></A><H3>getHandle</H3><PRE>public <A HREF="../../javax/ejb/Handle.html" title="interface in javax.ejb">Handle</A> <B>getHandle</B>() throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></PRE><DL><DD>Obtain a handle for the EJB object. The handle can be used at later time to re-obtain a reference to the EJB object, possibly in a different Java Virtual Machine.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>A handle for the EJB object.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></CODE> - Thrown when the method failed due to a system-level failure.</DL></DD></DL><HR><A NAME="isIdentical(javax.ejb.EJBObject)"><!-- --></A><H3>isIdentical</H3><PRE>public boolean <B>isIdentical</B>(<A HREF="../../javax/ejb/EJBObject.html" title="interface in javax.ejb">EJBObject</A> obj) throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></PRE><DL><DD>Test if a given EJB object is identical to the invoked EJB object.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>obj</CODE> - An object to test for identity with the invoked object.<DT><B>Returns:</B><DD>True if the given EJB object is identical to the invoked object, false otherwise.<DT><B>Throws:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteException.html" title="class or interface in java.rmi">RemoteException</A></CODE> - Thrown when the method failed due to a system-level failure.</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. Ed. v1.4</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/ejb/EJBMetaData.html" title="interface in javax.ejb"><B>PREV CLASS</B></A> <A HREF="../../javax/ejb/EnterpriseBean.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="EJBObject.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_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR><font size="-1"><a href="http://java.sun.com/webapps/bugreport">Submit a bug or feature</a> <p>Copyright 2003 Sun Microsystems, Inc. All rights reserved.</font></BODY></HTML>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -