User: rinkrank
Date: 02/03/28 03:16:45
Modified: core/docs weblogic.html
Log:
Fixed [ 513641 ] transaction-isolation element
Revision Changes Path
1.22 +49 -0 xdoclet/core/docs/weblogic.html
Index: weblogic.html
===================================================================
RCS file: /cvsroot/xdoclet/xdoclet/core/docs/weblogic.html,v
retrieving revision 1.21
retrieving revision 1.22
diff -u -w -r1.21 -r1.22
--- weblogic.html 24 Mar 2002 22:35:51 -0000 1.21
+++ weblogic.html 28 Mar 2002 11:16:45 -0000 1.22
@@ -744,6 +744,55 @@
</TR>
</TABLE>
<H3><A NAME="method-level-tags">Method level Tags</A></H3>
+<H4><A NAME="transaction-isolation">@weblogic:transaction-isolation</A></H4>
+<P>Specify transaction isolation level on a per-method basis.<B> This tag can
+also be used on the class level.</B></P>
+<TABLE BORDER="1" CELLPADDING="7">
+ <TR>
+ <TD>Parameter</TD>
+ <TD>Usage</TD>
+ <TD>Applies to</TD>
+ <TD>Mandatory</TD>
+ </TR>
+ <TR>
+ <TD><I>isolation-level</I>: String
+ <TD>Specify a transaction isolation level<BR>
+ <BR>
+ The value of this element must be one of the following:<BR>
+ <BR>
+ TRANSACTION_SERIALIZABLE <BR>
+ TRANSACTION_READ_COMMITTED<BR>
+ TRANSACTION_READ_UNCOMMITTED<BR>
+ TRANSACTION_REPEATABLE_READ<BR>
+ <BR>
+ Special value for use with Oracle DBMS Only:<BR>
+ <BR>
+ TRANSACTION_READ_COMMITTED_FOR_UPDATE<BR>
+ <BR>
+ When this Isolation level is set for a method, the following happens:<BR>
+ <BR>
+ The Isolation Level is set to: TRANSACTION_READ_COMMITTED<BR>
+ <BR>
+ For duration of the Transaction, all SQL 'SELECT' statements<BR>
+ executed in any method are executed with 'FOR UPDATE' <BR>
+ appended to them. This causes the SELECTed rows to be locked for update.<BR>
+ <BR>
+ This isolation level can be used to avoid the error:<BR>
+ java.sql.SQLException: ORA-08177: can't serialize access for this
+ transaction<BR>
+ <BR>
+ which can happen when using the TRANSACTION_SERIALIZABLE isolation with
+ Oracle DBMS</TD>
+ <TD>All bean types</TD>
+ <TD>No</TD>
+ </TR>
+ <TR>
+ <TD><I>description</I>: String
+ <TD>A textual description</TD>
+ <TD>All bean types</TD>
+ <TD>No</TD>
+ </TR>
+</TABLE>
<H4><A NAME="dbms-column">@weblogic:dbms-column</A></H4>
<P>(Applicable to CMP Entity Beans)</P>
<P>The database column to which the given field should be mapped. This element
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