*/
public List getModifications(Date lastBuild, Date now) {
List retVal = new ArrayList();
for (Iterator it = sourceControls.iterator(); it.hasNext(); ) {
SourceControl sourceControl = (SourceControl) it.next();
retVal.addAll(sourceControl.getModifications(lastBuild, now));
// make sure we also pass the properties from the underlying sourcecontrol
properties.putAll(sourceControl.getProperties());
}
return retVal;
}