CAF Business Objects in Separate Database

We currently have an application written in CAF which is using Business Objects/Entity Services using local persistence. I believe the local persistence automatically uses the default datasource defined in the SAP WAS portal server and creates the tables in that database.
The requirement is to have that CAF application data stored in a different database instead of the portal database. There are ways to install a separate datasource in the SAP WAS server to point to a different database, but I don't know how to make CAF Business Objects use that newly installed datasource, or whether it is possible?
Any help is appreciated!

Hi,
it seems I've to achieve that by using associations.
But how should the Scenario look for my example?
The relation is the following:
Each application has exactly one division.
Is it correct like that?
DIVISION: Association to APPLICATION ("DivisionApplication"), CROSS_BO, ONE_TO_MANY
BO APPLICATION: Association to DIVISION ("ApplicationDivision"), CROSS_BO, NONE_TO_ONE
Another question:
I can now add an association to APPLICATION through the service browser by choosing the association name "ApplicationDivision" and putting the 32 digit the DIVISION that I want to associate.
Is that the only way to do it in service browser?
As this is impossible for business users, do I have to create a WD for them to maintain those values in an easier way?
Thanks.

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When i schedule the report in infoview ,i am getting this error, could you please let me know how to solve this error.
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CE CAF Business Object, Complex Structure and external service...

Hi,
I want to use a web service as remote persistence in a CAF business object(Entity service). My Problem is, that the service returns a list of objects. But it seems that in the new CE the paradigm for caf changed a little and instead of complex attributes (an attribute with a structure and cardinality 0...n) you can only create an association with another business object.
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<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5e9ca25b-0e01-0010-bbaa-f3b963e89edd">https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5e9ca25b-0e01-0010-bbaa-f3b963e89edd</a>
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Hi Alexander,
You are now able to create the Structure and set the cardinality also in NetWeaver CE. I thin the following steps will be helpful for you.
1. Create a CAF project called firstcaf.
2.Create an entity service within the project called Customer.
3. Now expand modeled.
4. Then right click on Data Types. Here you will get the option "New Structure".
5.Now select New Structure, One popup will appear then enter the Structure name called Address and click ok.
6. Now You will get your Address structure under Complex Types.
7.Double Click on Address. In right hand side you will get the Address structure for editing.
8.Now from left hand side(Existing Type) expand caf.core and add your required attribute. In right hand side (structure Field) you can edit the name of attribute. suppose for Address structure I have added two field phone and mobile (both are short text ). save it.
9. Now switch to Composite Application Explorer and expand Business Objects ->Customer -> Customer->Customer. and double click on it (Customer).
10. In right hand side expand project firstcaf ->modeled. Now you will get your structure here, In my case I will get Address structure. Now select your structure and click Add button. Structure will go to right hand side(Structure Fields).
11. If you want to change the cardinality it is very simple. Select The Structure from right hand side(Structure Fields) and in bottom side click on property. Now you will get the Cardinality field. you can change it as you like.
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I am trying the following:
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Hi,
unfortunately this didn't solve it.
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Hi All,
right now we are developing our first eSOA Composite Application with CE and I have some questions regarding Business Objects, the import of external services and the development of application services.
As I understood there are two ways to provide business functionality for composite applications:
a. Import backend functionality as an external service (e.g. BAPI, RFC) at the CAF, build the application service which can be used as a callable object for UIs or the GPs
b. Develop a local Business Object (in CAF) providing the business logic, create the application service which again can be used as a callable object. Furthermore the application service can be exposed as a Web Service (external service).
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Hi Ivonne,
first of all, the CAF Business Objects (BOs) itself don't contain any business logic, they're basically just local database tables (with some CRUD services on top).
Business logic is implemented in Application Services (AS).
Now, regarding local BO's vs. external services, it depends on your use case. If the data is already available somewhere in your backend system it makes sense to use external services. For instance you wouldn't want to store business partners all over different composites. For data that is specific to your composite (in particular configuration, customizing etc.) and not likely to be reused by other applications you should use local BOs.
Accessing local BO's is also much faster than calling external services.
You can do reuse in both scenarios, since the CAF services can be exposed as web services.
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Edited by: Christian Loos on Apr 8, 2008 6:11 PM

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Hi Ivonne,
first of all, the CAF Business Objects (BOs) itself don't contain any business logic, they're basically just local database tables (with some CRUD services on top).
Business logic is implemented in Application Services (AS).
Now, regarding local BO's vs. external services, it depends on your use case. If the data is already available somewhere in your backend system it makes sense to use external services. For instance you wouldn't want to store business partners all over different composites. For data that is specific to your composite (in particular configuration, customizing etc.) and not likely to be reused by other applications you should use local BOs.
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Edited by: Christian Loos on Apr 8, 2008 6:11 PM

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Hi,
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Hi Rohit!
Can we access the tables created internally for BO's without the use of CRUD methods provided by them.?
Or
Can we fire queries on these tables through Oracle.? As the tables are created along with BO's in the database.
Maybe, you can do that, but why do you want to do that?
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Hallo Experts
We have developed the application using CAF and I've noticed that the data saved in the local DB is lost if I made the redeployment of CAF project. Thus I want to first export the CAF content using the follow steps described
https://cw.sdn.sap.com/cw/docs/DOC-102650#cf before I do the Redeployment on the Produktion Plattform (to be sure that the data in the production Plattform is not going lost.)
======================================
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===========================================
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Ping

As I could see on SAP Help (http://help.sap.com/saphelp_nw70/helpdata/en/44/1fedbfe9d663cee10000000a11466f/frameset.htm) the exported content is an SDA that has to be deployed on the target server.
I´m also facing this issue on CE 7.2.
Have you tried this option?
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As you know, from CE 7.1.1, the CAF support importing the Business Object through EJB model. So when develop a WDJ application using caf, we can using these procedures:
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Hi, Winters.
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