Table View with Multiple Context Nodes

I want to create a table-view consisting of an object composition, e.g. multiple business objects. The chtml:configCellerator -tag supports just one context node which corresponds to just one business object.
How do you create a table composed by different objects, i.e. BTAdminH and BTAdminI ?
Edited by: romanglass on May 18, 2010 4:07 PM

Hi,
I would suggest to create a new component and not to disturb the standard ones. Because the super class of the header context node (BTAdminH in your case) must be inherited from CL_BSP_WD_CONTEXT_NODE_DTV - Deep table view.
The dependent nodes must be passed to return parameter rt_result of method GET_SUB_CNODE_DEFINITIONS.
This cant be done via wizard. I just tried to replicate your scenario. Below are the steps,
1. create a view with context node BTADMINH as tableview. Then change the super class of the context node to CL_BSP_WD_CONTEXT_NODE_DTV.
2. Add another context node BTADMINI and mark it as dependent to BTADMINH.
3. Now change the super class of context node BTADMINI to CL_BSP_WD_CONTEXT_NODE_TV (Table View).
4. Redefine method GET_SUB_CNODE_DEFINITIONS in context node BTADMINH.
In the view layout you should use cellerator and pass an iterator with interface IF_THTMLB_CELLERATOR_ITERATOR. The interface has a method RENDER_DEPENDANT_OBJECTS which returns the table of dependant objects.
Regards,
Arun
Edited by: Arun Kumar on May 19, 2010 1:01 PM

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New to JDeveloper (from Forms) and after an introduction a week or so back, one question I have not yet answered with the ADF framework is how to synchronize iterators. Maybe I missed something simple, but if I have master table A with FK relations from detail tables B and C expressed as view objects and view links in the Model tier, when I package these up into the Application Module / Data Controls it seems I have 2 iterators for table A - one for it and it's detail set B, and another for it and it's detail set C.
So then, if I drag & drop one of the A data controls onto a page (say from the A-B link) as a read-only-table, my PPR actions from this table work on components derived from this same data control hierarchy - ie: on detail B. But to effect a change in the other detail relationship A-C, and components based on C, seems to mean moving this second iterator on A programmatically.
How is this generally achieved using the ADF ? I've seen content about chaining master-detail-detail, but this is really master-detail(xN). View links only ever specify 2 tables. It seems I need to put some code in somewhere to move associated iterators when another iterator is moved.
Also, is there an equivalent java code-point for the when-new-record-instance - ie: when an iterator moves to a different record, whether that be new or not. Not being able to find it thus far, I've put code in the executeQuery of the detail VO which fires when I need it, but there must be a better place.
Thanks for the help.
Edited by: litch on Jul 29, 2009 11:20 AM

You can manipulate your AM Data Model so both details will be under the same master (as long as there are viewLinks from the master to both).
Then you can drag them to the page and add PPR as described here:
http://blogs.oracle.com/shay/2008/05/master_with_two_details_on_the.html

How To Create Table View With Same Column name But Different Table?

Hi All,
I have the problem to create a tableview with same column name but in different table.
The Table that i have:-
Table - PAC051MPROFORMA
Column - mrn,visitid
Table - PAC051TPROFORMA
Column - mrn,visitid
Table - PAC052MTRANSBILL
Column - mrn,visitid
Then i want to create a table view to view that table. This is my SQL
CREATE VIEW pacviewproforma (mrn,visitid,mrn,visitid,mrn,visitid)
As Select PAC051MPROFORMA.mrn,PAC051MPROFORMA.visitid,PAC051TPROFORMA.mrn,PAC051TPROFORMA.visitid,PAC052MTRANSBILL.mrn,PAC052MTRANSBILL.visitid
where
*(a.PAC051MPROFORMA.mrn=PAC051TPROFORMA.mrn)*
and
*(a.PAC051TPROFORMA.mrn=PAC052TRANSBILL.mrn)*
That SQL Return this error = ORA-00957: duplicate column name
Then I modify that SQL to
CREATE VIEW pacviewproforma (mrn,visitid)
As Select PAC051MPROFORMA.mrn,PAC051MPROFORMA.visitid,PAC051TPROFORMA.mrn,PAC051TPROFORMA.visitid,PAC052MTRANSBILL.mrn,PAC052MTRANSBILL.visitid
where
*(a.PAC051MPROFORMA.mrn=PAC051TPROFORMA.mrn)*
and
*(a.PAC051TPROFORMA.mrn=PAC052TRANSBILL.mrn)*
This time this error return = ORA-01730: invalid number of column names specified
What should i do?
Thanks...

Hi,
SQL> CREATE VIEW pacviewproforma (mrn,visitid,mrn,visitid,mrn,visitid)
2 As Select
3 PAC051MPROFORMA.mrn,
4 PAC051MPROFORMA.visitid,
5 PAC051TPROFORMA.mrn,
6 PAC051TPROFORMA.visitid,
7 PAC052MTRANSBILL.mrn,
8 PAC052MTRANSBILL.visitid
9 from PAC051MPROFORMA,PAC051TPROFORMA,PAC052MTRANSBILL
10 where
11 (PAC051MPROFORMA.mrn=PAC051TPROFORMA.mrn)
12 and
13 (PAC051TPROFORMA.mrn=PAC052MTRANSBILL.mrn);
CREATE VIEW pacviewproforma (mrn,visitid,mrn,visitid,mrn,visitid)
ERROR at line 1:
ORA-00957: duplicate column namePlease give different names to each column.
Something like this..
SQL> CREATE OR REPLACE VIEW pacviewproforma (MPROFORMA_mrn,MPROFORMA_visitid,TPROFORMA_mrn,TPROFORMA
_visitid,MTRANSBILL_mrn,MTRANSBILL_visitid)
2 As Select
3 PAC051MPROFORMA.mrn,
4 PAC051MPROFORMA.visitid,
5 PAC051TPROFORMA.mrn,
6 PAC051TPROFORMA.visitid,
7 PAC052MTRANSBILL.mrn,
8 PAC052MTRANSBILL.visitid
9 from PAC051MPROFORMA,PAC051TPROFORMA,PAC052MTRANSBILL
10 where
11 (PAC051MPROFORMA.mrn=PAC051TPROFORMA.mrn)
12 and
13 (PAC051TPROFORMA.mrn=PAC052MTRANSBILL.mrn);
View created.
SQL> DESC pacviewproforma;
Name                                      Null?    Type
MPROFORMA_MRN                                      NUMBER
MPROFORMA_VISITID                                  NUMBER
TPROFORMA_MRN                                      NUMBER
TPROFORMA_VISITID                                  NUMBER
MTRANSBILL_MRN                                     NUMBER
MTRANSBILL_VISITID                                 NUMBER
ORA-01730: invalid number of column names specifiedThe list of column nmae you specified during the CREATE VIEW should match with the SELECT list of the view.
Twinkle

Table View with Multiple Context Nodes

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