How not to use no connection DB App with task flows created as 'New deal'

Hello

My request is entirely dependent on the Custom java datasource implementation and don't requires no connection DB at all. I made the necessary implementation (http://andrejusb.blogspot.in/2012/03/use-case-for-adf-bc-with-no-database.html) by creating CustomDatabaseConnectionStrategy that says
    @Override
    public ApplicationModule createApplicationModule(Hashtable env) {
      env.put(Configuration.DB_REQUIRES_CONNECTION,Boolean.FALSE);
      env.put(PropertyMetadata.ENV_DO_FAILOVER.pName, PropertyConstants.FALSE);
      return super.createApplicationModule(env);
    }
My application works great until I have keep my transaction flow of task as "Operation No. Controller. Yes, I use the shell dynamic tab as UI model. But when I keep it as "Begin a new Transaction" and not to share control of data, the screen is not for all. I get an exception (I assume that when I try to open the workflow, he tries to get the connection. Since there is no connection available, it gives me this error. What then?)

One of my requirement of customer is to open the screen even under multiple tabs as a screen of costs (i.e. with different transactions. "We do a transaction via Tuxedo transaction server). If I load a screen under the first tab with some data, added a few record, deleted records... and if I load the same screen on another tab, it should not refelect the same given what I have under the first tab.


Requirement:

I have no DB connection in my application. But I should be able to define the task flow to open with the new instance of the Application module whenever it is open.

Your help on this would be appreciated.

Rambeau

If I understand correctly you requirements, you don't need transactions taskflow-ADF, but you just need to charge DataControls. If this is the case, you don't have to set the behavior of the taskflow transaction to "Always start with new Transaction" (e.g. keep it to 'No controller Transaction'), but the value of the "isolated" DataControl framework (e.g. uncheck the box "Share the data with the calling workflow controls" in the property inspector of the taskflow). In this case each instance taskflow starts in a different frame of DataControl (e.g. it will instantiate its own set of ApplicationModule instances).

Dimitar

Tags: Java

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