this worked great.
public static Callable<File> createMeetingCheckListReportTask(MeetingChecklist
b) {
String reportDescription = "Printed Meeting Checklist";
HashMap<String, Object> parameters = new HashMap<String, Object>();
parameters.put("reportDescription", reportDescription);
parameters.put("userName", "User From session");
EOQualifier accomplishQualifier =
ERXQ.equals(Accomplishment.MEETING_CHECKLIST_KEY, b);
@SuppressWarnings("unchecked")
ERJRFoundationDataSource accomplishDataSource = new
ERJRFoundationDataSource(Accomplishment.fetchAccomplishments(ERXEC.newEditingContext(),
accomplishQualifier, null));
parameters.put("accomplishments", accomplishDataSource);
EOQualifier qualifier = ERXQ.equals(MeetingChecklist.CREATION_DATE_KEY,
b.creationDate());
ERXFetchSpecification<MeetingChecklist> fs = new
ERXFetchSpecification<MeetingChecklist>(MeetingChecklist.ENTITY_NAME,
qualifier, null);
ERJRFetchSpecificationReportTask reportTask = new
ERJRFetchSpecificationReportTask(fs, jasperMCLCompiledReportFileName,
parameters);
return reportTask;
}
so in iReport
accomplishments == er.jasperreports.ERJRFoundationDataSource@79447bb5
and I used accomplishments as the datasource for the subreport. Of course I had
to tell iReport that accomplishments' parameter class is java.lang.object
then I created the 'accomplishments' parameter in the primary iReport and
created a subreport that uses 'accomplishments' as the JRDataSource.
thanks for your help pointing the way
Ted
--- On Tue, 5/8/12, Ralf Schuchardt <[email protected]> wrote:
> From: Ralf Schuchardt <[email protected]>
> Subject: Re: JasperReport and a to-many relation
> To: "Theodore Petrosky" <[email protected]>
> Cc: [email protected]
> Date: Tuesday, May 8, 2012, 11:51 AM
>
> Am 08.05.2012 um 17:14 schrieb Theodore Petrosky:
>
> > When I print my iReport and use a field name that
> refers to my to-many relation, I get:
> >
> >
> com.webobjects.eocontrol._EOCheapCopyMutableArray[1259578d]
> >
> > If I read this correctly, the JRDataSource doesn't have
> the array, it has the item that would fault to get the
> referred to items.
> >
> > So I need to create a second JRDataSource with this
> query to feed to the JasperReport.
> >
> > Anyone have experience with this?
>
> Yes, we create JRDataSources for these relationships and
> pass them as parameters to JasperReport. In the main report
> those datasources are then passed to subreports to create
> the actual output.
>
> Ralf
>
>
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