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Java 2 Platform EE v1.3: Package javax.ejb
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<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>
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<B>Interface Summary</B></FONT></TD>
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<TD WIDTH="15%"><B><A HREF="EJBContext.html"><I>EJBContext</I></A></B></TD>
<TD>The EJBContext interface provides an instance with access to the
container-provided runtime context of an enterprise Bean instance.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="EJBHome.html"><I>EJBHome</I></A></B></TD>
<TD>The EJBHome interface must be extended by all enterprise
Beans' remote home interfaces.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="EJBLocalHome.html"><I>EJBLocalHome</I></A></B></TD>
<TD>The EJBLocalHome interface must be extended by all enterprise
Beans' local home interfaces.</TD>
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<TD WIDTH="15%"><B><A HREF="EJBLocalObject.html"><I>EJBLocalObject</I></A></B></TD>
<TD>The EJBLocalObject interface must be extended by all enterprise Beans' local
interfaces.</TD>
</TR>
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<TD WIDTH="15%"><B><A HREF="EJBMetaData.html"><I>EJBMetaData</I></A></B></TD>
<TD>The EJBMetaData interface allows a client to obtain the enterprise Bean's
meta-data information.</TD>
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<TD WIDTH="15%"><B><A HREF="EJBObject.html"><I>EJBObject</I></A></B></TD>
<TD>The EJBObject interface is extended by all enterprise Beans' remote
interfaces.</TD>
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<TD WIDTH="15%"><B><A HREF="EnterpriseBean.html"><I>EnterpriseBean</I></A></B></TD>
<TD>The EnterpriseBean interface must be implemented by every enterprise Bean
class.</TD>
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<TD WIDTH="15%"><B><A HREF="EntityBean.html"><I>EntityBean</I></A></B></TD>
<TD>The EntityBean interface is implemented by every entity enterprise Bean
class.</TD>
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<TD WIDTH="15%"><B><A HREF="EntityContext.html"><I>EntityContext</I></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>
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<TD WIDTH="15%"><B><A HREF="Handle.html"><I>Handle</I></A></B></TD>
<TD>The Handle interface is implemented by all EJB object handles.</TD>
</TR>
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<TD WIDTH="15%"><B><A HREF="HomeHandle.html"><I>HomeHandle</I></A></B></TD>
<TD>The HomeHandle interface is implemented by all home object handles.</TD>
</TR>
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<TD WIDTH="15%"><B><A HREF="MessageDrivenBean.html"><I>MessageDrivenBean</I></A></B></TD>
<TD>The MessageDrivenBean interface is implemented by every message-driven
enterprise Bean class.</TD>
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<TD WIDTH="15%"><B><A HREF="MessageDrivenContext.html"><I>MessageDrivenContext</I></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>
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<TD WIDTH="15%"><B><A HREF="SessionBean.html"><I>SessionBean</I></A></B></TD>
<TD>The SessionBean interface is implemented by every session enterprise Bean
class.</TD>
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<TD WIDTH="15%"><B><A HREF="SessionContext.html"><I>SessionContext</I></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="SessionSynchronization.html"><I>SessionSynchronization</I></A></B></TD>
<TD> The SessionSynchronization interface allows a session Bean instance
to be notified by its container of transaction boundaries.</TD>
</TR>
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<TD COLSPAN=2><FONT SIZE="+2">
<B>Exception Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="AccessLocalException.html">AccessLocalException</A></B></TD>
<TD>An AccessLocalException is thrown to indicate that the caller does not
have permission to call the method.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="CreateException.html">CreateException</A></B></TD>
<TD>The CreateException exception must be included in the throws clauses of
all create methods defined in an enterprise Bean's home
interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="DuplicateKeyException.html">DuplicateKeyException</A></B></TD>
<TD>The DuplicateKeyException exception is thrown if an entity EJB object
cannot be created because an object with the same key already exists.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="EJBException.html">EJBException</A></B></TD>
<TD>The EJBException exception is thrown by an enterprise Bean instance to
its container to report that the invoked business method or callback method
could not be completed because of an unexpected error (e.g.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="FinderException.html">FinderException</A></B></TD>
<TD>The FinderException exception must be included in the throws clause
of every findMETHOD(...) method of an entity Bean's home interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="NoSuchEntityException.html">NoSuchEntityException</A></B></TD>
<TD>The NoSuchEntityException exception is thrown by an Entity Bean
instance to its container to report that the invoked business method
or callback method could not be completed because of the underlying
entity was removed from the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="NoSuchObjectLocalException.html">NoSuchObjectLocalException</A></B></TD>
<TD>A NoSuchObjectLocalException is thrown if an attempt is made to invoke
a method on an object that no longer exists.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="ObjectNotFoundException.html">ObjectNotFoundException</A></B></TD>
<TD>The ObjectNotFoundException exception is thrown by a finder method to
indicate that the specified EJB object does not exist.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="RemoveException.html">RemoveException</A></B></TD>
<TD>The RemoveException exception is thrown at an attempt to remove
an EJB object when the enterprise Bean or the container does not allow
the EJB object to be removed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TransactionRequiredLocalException.html">TransactionRequiredLocalException</A></B></TD>
<TD>This exception indicates that a request carried a null transaction context,
but the target object requires an activate transaction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TransactionRolledbackLocalException.html">TransactionRolledbackLocalException</A></B></TD>
<TD>This exception indicates that the transaction associated with
processing of the request has been rolled back, or marked to roll
back.</TD>
</TR>
</TABLE>
<P>
<A NAME="package_description"><!-- --></A><H2>
Package javax.ejb Description
</H2>
<P>
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>
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