public PropertyEvent getLastEvent(Object obj, Property prop) {
if (prop.isCollection()) {
LinkedList lst = (LinkedList) m_collectionEvents.get(getKey(obj, prop));
if (lst == null) {
return null;
}
return (PropertyEvent) lst.getLast();
}
return (PropertyEvent) m_setEvents.get(getKey(obj, prop));
}
public Collection getCurrentEvents(Object obj, Property prop) {
if (!prop.isCollection()) {
throw new IllegalArgumentException();
}
List evs = (List) m_collectionEvents.get(getKey(obj, prop));
if (evs == null) {
return Collections.EMPTY_LIST;
}
return evs;
}
public Collection getReachablePropertyEvents(Object obj) {
ArrayList result = new ArrayList();
ObjectType ot = m_ssn.getObjectType(obj);
for (Iterator it = ot.getProperties().iterator(); it.hasNext(); ) {
Property prop = (Property) it.next();
if (prop.isCollection()) {
result.addAll(getCurrentEvents(obj, prop));
} else {
Event e = getLastEvent(obj, prop);
if (e != null) {
result.add(e);
}
}
}
return result;
}
public PropertyEvent getLastEvent(Object obj, Property prop, Object arg) {
if (!prop.isCollection()) {
throw new IllegalArgumentException();
}
List events = (List) m_collectionEvents.get(getKey(obj, prop));
if (events == null) {
return null;
}
for (int i = events.size() - 1; i >= 0; i--) {
PropertyEvent old = (PropertyEvent) events.get(i);
if (old.getArgument().equals(arg)) {
return old;
}
}
return null;
}