This query returns all players having a higher salary than the player with the specified name. It defines a query parameter for the name java.lang.String name. Furthermore, it defines a variable to which the player’s salary is compared. It has the type of the persistence capable class that corresponds to the bean:
mypackage.PlayerEJB_170160966_JDOState player
The filter compares the salary of the current player denoted by the this keyword with the salary of the player with the specified name:
(this.salary > player.salary) && (player.name == name)
The finder element of the sun-ejb-jar.xml file looks like this:
<finder> <method-name>findByHigherSalary</method-name> <query-params>java.lang.String name</query-params> <query-filter> (this.salary > player.salary) && (player.name == name) </query-filter> <query-variables> mypackage.PlayerEJB_170160966_JDOState player </query-variables> </finder>