- public ListenerEntry registerDependencies(ReadGraphImpl graph, CacheEntry child, CacheEntry parent, ListenerBase listener, Object procedure, boolean inferred) {
-
- if (parent != null && !inferred) {
- try {
- if(!child.isImmutable(graph)) {
- synchronized(child) {
- child.addParent(parent);
- }
- }
- } catch (DatabaseException e) {
- Logger.defaultLogError(e);
- }
- if (Development.DEVELOPMENT) {
- if(Development.<Boolean>getProperty(DevelopmentKeys.QUERYPROCESSOR_DEPENDENCIES, Bindings.BOOLEAN)) {
- System.err.println(child + " -> " + parent);
- }
- }
- }
-
- if (listener != null) {
- return registerListener(child, listener, procedure);
- } else {
- return null;
- }
-
- }
-
- public synchronized ListenerEntry registerListener(final CacheEntry entry, final ListenerBase base, final Object procedure) {
-
- assert (entry != null);
-
- if (base.isDisposed())
- return null;
-
- return addListener(entry, base, procedure);
-
- }
-
- protected void primeListenerEntry(final ListenerEntry entry, final Object result) {
- entry.setLastKnown(result);
- }
-
- private ListenerEntry addListener(CacheEntry entry, ListenerBase base, Object procedure) {
-
- assert (entry != null);
- assert (procedure != null);
-
- ArrayList<ListenerEntry> list = listeners.get(entry);
- if (list == null) {
- list = new ArrayList<ListenerEntry>(1);
- listeners.put(entry, list);
- }
-
- ListenerEntry result = new ListenerEntry(entry, base, procedure);
- int currentIndex = list.indexOf(result);
- // There was already a listener
- if(currentIndex > -1) {
- ListenerEntry current = list.get(currentIndex);
- if(!current.base.isDisposed()) return null;
- list.set(currentIndex, result);
- } else {
- list.add(result);
- }
-
- if (Development.DEVELOPMENT) {
- if(Development.<Boolean>getProperty(DevelopmentKeys.QUERYPROCESSOR_LISTENERS, Bindings.BOOLEAN)) {
- new Exception().printStackTrace();
- System.err.println("addListener -> " + list.size() + " " + entry + " " + base + " " + procedure);
- }
- }
-
- return result;
-
- }
-
-