localtransaction.html
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Java 2 Platform EE v1.3: Interface LocalTransaction
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javax.resource.cci</FONT>
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Interface LocalTransaction</H2>
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<DL>
<DT>public interface <B>LocalTransaction</B></DL>
<P>
The LocalTransaction defines a transaction demarcation interface for
resource manager local transactions. Note that this interface is
used for application level local transaction demarcation. The
system contract level LocalTransaction interface (as defined in
the <code>javax.resource.spi</code> package) is used by the container
for local transaction management.
<p>A local transaction is managed internal to a resource manager. There
is no external transaction manager involved in the coordination of
such transactions.
<p>A CCI implementation can (but is not required to) implement the
LocalTransaction interface. If the LocalTransaction interface is supported
by a CCI implementation, then the method
<code>Connection.getLocalTransaction</code> should return a
LocalTransaction instance. A component can then use the
returned LocalTransaction to demarcate a resource manager local transaction
(associated with the Connection instance) on the underlying EIS
instance.
<P>
<DL>
<DT><B>Since: </B><DD>0.8</DD>
<DT><B>See Also: </B><DD><A HREF="../../../javax/resource/cci/Connection.html"><CODE>Connection</CODE></A></DL>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/resource/cci/LocalTransaction.html#begin()">begin</A></B>()</CODE>
<BR>
Begins a local transaction on an EIS instance.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/resource/cci/LocalTransaction.html#commit()">commit</A></B>()</CODE>
<BR>
Commits the current local transaction and release all locks held
by the underlying EIS instance.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/resource/cci/LocalTransaction.html#rollback()">rollback</A></B>()</CODE>
<BR>
Rollbacks the current resource manager local transaction.</TD>
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<A NAME="begin()"><!-- --></A><H3>
begin</H3>
<PRE>
public void <B>begin</B>()
throws <A HREF="../../../javax/resource/ResourceException.html">ResourceException</A></PRE>
<DL>
<DD>Begins a local transaction on an EIS instance.<DD><DL>
<DT><B>Throws:</B><DD><CODE><A HREF="../../../javax/resource/ResourceException.html">ResourceException</A></CODE> - Failed to begin a local
transaction. Examples of
error cases are:
<UL>
<LI>Resource adapter internal or EIS-specific
error
<LI>Connection is already participating in a
local or JTA transaction
</UL></DL>
</DD>
</DL>
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<A NAME="commit()"><!-- --></A><H3>
commit</H3>
<PRE>
public void <B>commit</B>()
throws <A HREF="../../../javax/resource/ResourceException.html">ResourceException</A></PRE>
<DL>
<DD>Commits the current local transaction and release all locks held
by the underlying EIS instance.<DD><DL>
<DT><B>Throws:</B><DD><CODE><A HREF="../../../javax/resource/ResourceException.html">ResourceException</A></CODE> - Failed to commit a local
transaction. Examples of
error cases are:
<UL>
<LI> Resource adapter internal or EIS-specific error
<LI> Violation of integrity constraints, deadlock
detection, communication failure during
transaction completion, or any retry requirement
<LI> Connection is participating in an active JTA
transaction
<LI> Invalid transaction context; commit
operation invoked without an active
transaction context
</UL></DL>
</DD>
</DL>
<HR>
<A NAME="rollback()"><!-- --></A><H3>
rollback</H3>
<PRE>
public void <B>rollback</B>()
throws <A HREF="../../../javax/resource/ResourceException.html">ResourceException</A></PRE>
<DL>
<DD>Rollbacks the current resource manager local transaction.<DD><DL>
<DT><B>Throws:</B><DD><CODE><A HREF="../../../javax/resource/ResourceException.html">ResourceException</A></CODE> - Failed to rollback a local
transaction. Examples of
error cases are:
<UL>
<LI> Resource adapter internal or EIS-specific error
<LI> Connection is participating in an active JTA
transaction
<LI> Invalid transaction context; rollback
operation invoked without an active
transaction context
</UL></DL>
</DD>
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