ReportContainer container = (ReportContainer)helper.get(0);
for(int i = 0; i < container.getReports().size(); i++)
{
Report report = container.getReports().get(i);
if( !(report instanceof ImpactReport) ) continue;
if( report.getType() == null ) continue;
if( report.getType() != ReportType.IMPACT ) continue;
if( ((ImpactReport) report).getChangeType() != changeType ) continue;
List<EObject> srcs = ((ImpactReport) report).getImpactSources();
List<EObject> targets = ((ImpactReport) report).getAffectedElements();