iReport using Javabean set datasource

[tlgkumar]

Hai All ,
I am new in Jasper Report, i am doing my project in java ,
now i am try to create my project report using jasper and ireport ,
in my project i didnt use any database, i am using to store the data in text file, so I am using javabean set datasource,
its working nice to create simple file, in a subgroup and subtotaling only
i had a problem, It is possible to retrieve the data using query in java ,
and how to create query in iReport using javabean set datasource,
please reply to me,
Thanking you,
Ganesh Kumar