jasper reports - JasperReport Server - Interactively Filtering with own Java Data-Type doesn't work -


i have created own java class (type) have life little easier when displaying money (euro)-values in jasper reports.

    public class euro extends number implements comparable<euro> {      @override     public string tostring() {...}      @override     public boolean equals(object obj) {...}     @override    public int hashcode() {...}  }

the data displayed in table , works fine. sorting whole column works great. but, if want filter column "is greater than" - no data displayed after filtering.

when changed type of data bigdecimal sorting works.

what i'm doing wrong? or can tell me exaclty jasper when tries filter data?


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