Report query ClassCast exception .

[Chandan AHUJA]

Hello ,
        I am very new to OJB .I have the following query .


I am using the class "ReportQueryByCriteria"  and am using some "group" 
functions in it .
 
    Eg .
        query = new ReportQueryByCriteria(Employee.class, criteria);
         query.setAttributes(new String[] { "dept__id" , "sum(age)" });
         //dept__id is string , age is integer
        query.addGroupBy(new String[]{ "dept__id" });
        iterator = broker.getReportQueryIteratorByQuery(query);


Now please let me know when I do iterator.next() what should I cast the return 
object into . 
I have tried to cast it into (String) but it is not working and am getting 
classcast exception .

The documentation of queries states  following .......
"The ReportQuery returns an Iterator over a Collection of Object "


Please explain me with a code snippet .


Thanks

Chandan .



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