Breakpoint[] breakpoints = (Breakpoint[]) p.getArray( QUORUM_BREAKPOINTS ,new Breakpoint [0]);
ArrayList<Breakpoint> validBreakpoints = new ArrayList<Breakpoint>();
for (int i = 0; i < breakpoints.length; i++) {
Breakpoint breakpoint = breakpoints[i];
if (breakpoint != null) {
breakpoint.addPropertyChangeListener(this);
validBreakpoints.add(breakpoint);
}
}