public Runnable prepareMergeRunnable() {
Map<MapContainer, Collection<Record>> recordMap =
new HashMap<MapContainer, Collection<Record>>(mapContainers.size());
InternalPartitionService partitionService = nodeEngine.getPartitionService();
int partitionCount = partitionService.getPartitionCount();
Address thisAddress = nodeEngine.getClusterService().getThisAddress();
for (MapContainer mapContainer : mapContainers.values()) {
for (int i = 0; i < partitionCount; i++) {
RecordStore recordStore = getPartitionContainer(i).getRecordStore(mapContainer.getName());
// add your owned entries to the map so they will be merged
if (thisAddress.equals(partitionService.getPartitionOwner(i))) {
Collection<Record> records = recordMap.get(mapContainer);
if (records == null) {
records = new ArrayList<Record>();
recordMap.put(mapContainer, records);
}
records.addAll(recordStore.getReadonlyRecordMap().values());
}
// clear all records either owned or backup
recordStore.reset();
}
}
return new Merger(recordMap);
}
public void publishEvent(
Address caller,
String mapName,
EntryEventType eventType,
Data dataKey,
Data dataOldValue,
Data dataValue) {
Collection<EventRegistration> candidates =
nodeEngine.getEventService().getRegistrations(SERVICE_NAME, mapName);
Set<EventRegistration> registrationsWithValue = new HashSet<EventRegistration>();
Set<EventRegistration> registrationsWithoutValue = new HashSet<EventRegistration>();
if (candidates.isEmpty()) return;
Object key = null;
Object value = null;
Object oldValue = null;
for (EventRegistration candidate : candidates) {
EventFilter filter = candidate.getFilter();
if (filter instanceof EventServiceImpl.EmptyFilter) {
registrationsWithValue.add(candidate);
} else if (filter instanceof QueryEventFilter) {
Object testValue;
if (eventType == EntryEventType.REMOVED || eventType == EntryEventType.EVICTED) {
oldValue = oldValue != null ? oldValue : toObject(dataOldValue);
testValue = oldValue;
} else {
value = value != null ? value : toObject(dataValue);
testValue = value;
}
key = key != null ? key : toObject(dataKey);
QueryEventFilter queryEventFilter = (QueryEventFilter) filter;
QueryEntry entry = new QueryEntry(getSerializationService(), dataKey, key, testValue);
if (queryEventFilter.eval(entry)) {
if (queryEventFilter.isIncludeValue()) {
registrationsWithValue.add(candidate);
} else {
registrationsWithoutValue.add(candidate);
}
}
} else if (filter.eval(dataKey)) {
EntryEventFilter eventFilter = (EntryEventFilter) filter;
if (eventFilter.isIncludeValue()) {
registrationsWithValue.add(candidate);
} else {
registrationsWithoutValue.add(candidate);
}
}
}
if (registrationsWithValue.isEmpty() && registrationsWithoutValue.isEmpty()) return;
String source = nodeEngine.getThisAddress().toString();
if (eventType == EntryEventType.REMOVED || eventType == EntryEventType.EVICTED) {
dataValue = dataValue != null ? dataValue : dataOldValue;
}
EventData event =
new EventData(
source, mapName, caller, dataKey, dataValue, dataOldValue, eventType.getType());
int orderKey = dataKey.hashCode();
nodeEngine
.getEventService()
.publishEvent(SERVICE_NAME, registrationsWithValue, event, orderKey);
nodeEngine
.getEventService()
.publishEvent(
SERVICE_NAME, registrationsWithoutValue, event.cloneWithoutValues(), orderKey);
}