connection.html

j2ee帮助文档软件设计/软件工程 文件格式

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<A NAME="createInteraction()"><!-- --></A><H3>
createInteraction</H3>
<PRE>
<A HREF="../../../javax/resource/cci/Interaction.html" title="interface in javax.resource.cci">Interaction</A> <B>createInteraction</B>()
                              throws <A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></PRE>
<DL>
<DD>Creates an Interaction associated with this Connection. An
  Interaction enables an application to execute EIS functions.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>Interaction instance
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></CODE> - Failed to create an Interaction</DL>
</DD>
</DL>
<HR>

<A NAME="getLocalTransaction()"><!-- --></A><H3>
getLocalTransaction</H3>
<PRE>
<A HREF="../../../javax/resource/cci/LocalTransaction.html" title="interface in javax.resource.cci">LocalTransaction</A> <B>getLocalTransaction</B>()
                                     throws <A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></PRE>
<DL>
<DD>Returns an LocalTransaction instance that enables a component to
  demarcate resource manager local transactions on the Connection.
  If a resource adapter does not allow a component to demarcate 
  local transactions on an Connection using LocalTransaction 
  interface, then the method getLocalTransaction should throw a 
  NotSupportedException.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>LocalTransaction instance
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></CODE> - Failed to return a LocalTransaction
                                instance because of a resource
                                adapter error
<DD><CODE><A HREF="../../../javax/resource/NotSupportedException.html" title="class in javax.resource">NotSupportedException</A></CODE> - Demarcation of Resource manager 
                                local transactions is not supported
                                on this Connection<DT><B>See Also:</B><DD><A HREF="../../../javax/resource/cci/LocalTransaction.html" title="interface in javax.resource.cci"><CODE>LocalTransaction</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getMetaData()"><!-- --></A><H3>
getMetaData</H3>
<PRE>
<A HREF="../../../javax/resource/cci/ConnectionMetaData.html" title="interface in javax.resource.cci">ConnectionMetaData</A> <B>getMetaData</B>()
                               throws <A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></PRE>
<DL>
<DD>Gets the information on the underlying EIS instance represented
  through an active connection.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>ConnectionMetaData instance representing information 
            about the EIS instance
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></CODE> - Failed to get information about the 
                        connected EIS instance. Error can be
                        resource adapter-internal, EIS-specific
                        or communication related.</DL>
</DD>
</DL>
<HR>

<A NAME="getResultSetInfo()"><!-- --></A><H3>
getResultSetInfo</H3>
<PRE>
<A HREF="../../../javax/resource/cci/ResultSetInfo.html" title="interface in javax.resource.cci">ResultSetInfo</A> <B>getResultSetInfo</B>()
                               throws <A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></PRE>
<DL>
<DD>Gets the information on the ResultSet functionality supported by
  a connected EIS instance.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>ResultSetInfo instance
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></CODE> - Failed to get ResultSet related 
                                  information
<DD><CODE><A HREF="../../../javax/resource/NotSupportedException.html" title="class in javax.resource">NotSupportedException</A></CODE> - ResultSet functionality is not
                                  supported</DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
void <B>close</B>()
           throws <A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></PRE>
<DL>
<DD>Initiates close of the connection handle at the application level.
  A client should not use a closed connection to interact with 
  an EIS.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/resource/ResourceException.html" title="class in javax.resource">ResourceException</A></CODE> - Exception thrown if close
                              on a connection handle fails.
           <p>Any invalid connection close invocation--example,
              calling close on a connection handle that is 
              already closed--should also throw this exception.</DL>
</DD>
</DL>
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