@Override
public boolean equals(Object other) {
if (this == other) return true;
if (!(other instanceof Rule)) return false;
Rule r = (Rule) other;
if (!condition.equals(r.condition)) return false;
if (meter == null && r.meter != null) return false;
if (meter != null && !meter.equals(r.meter)) return false;
if (null == action || null == r.action) {
return action == r.action;
} else {
return action.equals(r.action);
}
}
