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GP: Web Dynpro Applications

Posted on Feb 27, 2007 at 07:44 AM 13 Views

Hi all,

Let's say i have to regular web dynpro applications (not implementing the GP interface) , wdpA and wdpB, and i want to use then in a guided procedure.

In wdpA i want to do some things and this generates an id, say X.

In wdpB i want to use X to lookup some information in a table.

Is it possible to pass X from wdpA to wdpB in a guided procedure without implementing the GP interface?

Kind regards,

J.

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    author's profile photo Former Member
    Former Member
    Posted on Feb 27, 2007 at 07:53 AM
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    Hi Joren,

    As far as I know, this is not possible. If you use a WebDynpro application which is not implementing the GP interface it cannot access the data in your process instance (like the id).

    You could write the id in a database table and read it again from within the other application, but then you still don't have a reference to the process instance, e.g. you don't know which id to read...

    Johan

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  • author's profile photo Former Member
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    Posted on Feb 27, 2007 at 08:05 AM
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    Joren,

    I just thought of something you could use.

    You can add input parameters to your WebDynpro application callable object which will be passed to the application as url parameters. You could pass a process instance id to both the applications, which you could use in app A to create a record in a table, and in app B to read it again.

    But, I think you should consider implementing the GP interface, because you have to modify your code anyway, and GP interface seems to me like an easier solution.

    Johan

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    • Former Member
      Feb 27, 2007 at 08:16 AM

      Hello,

      Thx for the idea.

      I think the minimum (using GP interface) is that wdpA implements the GP interface, meaning that the ID is known in the GP process. It can be passed to wdpB then as an input parameter without implementing the need that wdpB implements the GP interface.

      the parameter can be resolved in wdpB using the following code:

      WDProtocolAdapter.getProtocolAdapter().getRequestObject().getParameter(String key);

      greetz,

      J.

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