How to determine the username before it was changed by run-as principal?

Hello, please help me with this (simplified) case:
<ol>
<li>User logs in to a JSP (bean) A with username X</li>
<li>A calls stateless sessionbean B and runs-as-principal Y</li>
<li>B creates entitybean C</li>
</ol>
I want to store the (original) username X into entity C, but when I call getCallerPrincipal() from the entity context it returns Y (of course ;-) ).
 
Question 1: Is it possible to determine the original username X from the entity context using the default Weblogic security providers? 
Question 2: If not, is it possible by implementing a custom provider? 
Question 3: If it is possible to determine the original username, can I use the same mechanism to pass-on other stuff like remote host, http-session-id, et cetera. 
Restrictions
<ol>
<li>Getting the data from the JSP context and passing it all the way down to my entity beans through parameters on the EJB's is not an option.</li>
<li>I can't change the runs-as-principal to runs-as-client because of the huge number of existing EJB's.</li>
</ol>
Thanks in advance,
 
Martijn

Mike,
the RDT table name is in the georaster object (gr) you just created. It's an attribute of sdo_georaster object, i.e., gr.RASTERDATATABLE in your case.
generally, automatically generating the RDT name thru sdo_geor.init is not recommended because that would generate an RDT for each GeoRaster object. An RDT table should be used to contain the raster blocks of many smaller GeoRaster objects while you devote a single RDT table for a huge GeoRaster object (an image with a size over tens of GB to many terabytes for example). Even though the RDT tables are internal to GeoRaster, the creation of the RDT table is done by users, which is intentional, so that you can fully leverage the configuration and tuning power of oracle database (for example, if ASM is not used, RDT tables may be created on different tablespaces so that the raster blocks are distributed to different disks to improve performance).
to generate unique RDT names, you can leverage the SEQUENCE object to create sequence numbers and then attach them to a special table name you picked up.
Regards,
Jeffrey

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