@Override
public boolean merge(Data key, EntryView mergingEntry, MapMergePolicy mergePolicy) {
checkIfLoaded();
final long now = getNow();
Record record = getRecordOrNull(key, now, false);
mergingEntry =
EntryViews.convertToLazyEntryView(mergingEntry, serializationService, mergePolicy);
Object newValue;
if (record == null) {
final Object notExistingKey = mapServiceContext.toObject(key);
final EntryView nullEntryView = EntryViews.createNullEntryView(notExistingKey);
newValue = mergePolicy.merge(name, mergingEntry, nullEntryView);
if (newValue == null) {
return false;
}
newValue = mapDataStore.add(key, newValue, now);
record = createRecord(key, newValue, now);
mergeRecordExpiration(record, mergingEntry);
records.put(key, record);
updateSizeEstimator(calculateRecordHeapCost(record));
} else {
Object oldValue = record.getValue();
EntryView existingEntry =
EntryViews.createLazyEntryView(
record.getKey(), record.getValue(), record, serializationService, mergePolicy);
newValue = mergePolicy.merge(name, mergingEntry, existingEntry);
// existing entry will be removed
if (newValue == null) {
removeIndex(key);
mapDataStore.remove(key, now);
onStore(record);
// reduce size.
updateSizeEstimator(-calculateRecordHeapCost(record));
// remove from map & invalidate.
deleteRecord(key);
return true;
}
if (newValue == mergingEntry.getValue()) {
mergeRecordExpiration(record, mergingEntry);
}
// same with the existing entry so no need to map-store etc operations.
if (mapServiceContext.compare(name, newValue, oldValue)) {
return true;
}
newValue = mapDataStore.add(key, newValue, now);
onStore(record);
updateSizeEstimator(-calculateRecordHeapCost(record));
recordFactory.setValue(record, newValue);
updateSizeEstimator(calculateRecordHeapCost(record));
}
saveIndex(record);
return newValue != null;
}
public boolean merge(Data dataKey, EntryView mergingEntry, MapMergePolicy mergePolicy) {
checkIfLoaded();
Record record = records.get(dataKey);
Object newValue = null;
if (record == null) {
newValue = mergingEntry.getValue();
newValue = writeMapStore(dataKey, newValue, null);
record = mapService.createRecord(name, dataKey, newValue, DEFAULT_TTL);
records.put(dataKey, record);
updateSizeEstimator(calculateRecordSize(record));
} else {
Object oldValue = record.getValue();
EntryView existingEntry =
mapService.createSimpleEntryView(
mapService.toObject(record.getKey()), mapService.toObject(record.getValue()), record);
newValue = mergePolicy.merge(name, mergingEntry, existingEntry);
if (newValue == null) { // existing entry will be removed
removeIndex(dataKey);
mapStoreDelete(record, dataKey);
// reduce size.
updateSizeEstimator(-calculateRecordSize(record));
// remove from map & invalidate.
deleteRecord(dataKey);
return true;
}
// same with the existing entry so no need to mapstore etc operations.
if (mapService.compare(name, newValue, oldValue)) {
return true;
}
newValue = writeMapStore(dataKey, newValue, record);
updateSizeEstimator(-calculateRecordSize(record));
recordFactory.setValue(record, newValue);
updateSizeEstimator(calculateRecordSize(record));
}
saveIndex(record);
return newValue != null;
}