private void clearRecordsMap(Map<Data, Record> excludeRecords) {
InMemoryFormat inMemoryFormat = recordFactory.getStorageFormat();
switch (inMemoryFormat) {
case BINARY:
case OBJECT:
records.clear();
if (excludeRecords != null && !excludeRecords.isEmpty()) {
records.putAll(excludeRecords);
}
return;
case OFFHEAP:
Iterator<Record> iter = records.values().iterator();
while (iter.hasNext()) {
Record record = iter.next();
if (excludeRecords == null || !excludeRecords.containsKey(record.getKey())) {
record.invalidate();
iter.remove();
}
}
return;
default:
throw new IllegalArgumentException("Unknown storage format: " + inMemoryFormat);
}
}
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;
}
private void setRecordValue(Record record, Object value) {
accessRecord(record);
record.onUpdate();
recordFactory.setValue(record, value);
}