Progress while filling jasper report

Question

I would like to give progress to the user while Jasper reports is filling a compile report. Basically I would like to get progress while this is executing:

JasperFi

Answer 1

I'm using this components from PrimeFaces to show that the report is generating:

I don't have any real way to determine the total time my reports will take to compile and fill, so I opted not to use an actual progress bar which sometimes fills before the report is complete.