JDeveloper: executeWithParams Problem: bind variable setters are not called by Timo Hahn

In one of my current bigger ADF projects (yes, there are still big ADF projects!) I had a problem with the ‘executeWithParams’ operation binding called from a bean. To understand the problem I first give a brief description.

Problem

We have a special string column in some of our VOs. For this column, there is a bind parameter which is added to the where clause of the VO. Getter and setter for this bind parameters are generated to be able to set this parameter safely. In the setter method, some checks are done and special formatting is applied to the passed value.

Now we used the VOs executeWithParams operation to create a search form. Hitting the button to execute the query gave us a wrong result. As it turned out, that the execWithParams operation passes the parameters to the VO but it doesn’t use the getter/setter methods for the parameter. The parameters are directly set into the slots by the VariableManager.

Solutions

We want to transform or convert the given parameter right in the query. This way the developer doesn’t need to think about or to remember that there should be a transformation of the parameter. A central solution is preferred. Two solutions come to mind. Read the complete article here.

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