ADF : ViewCriteria : Execute MyLogic then Execute Search functionality.

ViewCriteria : Execute MyLogic then Execute Search functionality.

MyRequirement:
In Search Panel if user clicks on Search button, i need to execute my Login then execute the Search functionality.

Solution: 
Just override the executeQuery() function in VOImpl + Do you Logic + super.executeQuery()

For More Info Refer:
 http://andrejusb.blogspot.in/2010/05/yes-no-check-box-in-query-criteria.html




Solution2:

Generate custom where clause fragment for the ViewCriteriaItem

http://www.jobinesh.com/2010/09/using-bind-variable-for-sql-statements.html