@Override
public int deserialize(byte[] stream, int offset) {
final long fileId = OLongSerializer.INSTANCE.deserializeLiteral(stream, offset);
offset += OLongSerializer.LONG_SIZE;
final long pageIndex = OLongSerializer.INSTANCE.deserializeLiteral(stream, offset);
offset += OLongSerializer.LONG_SIZE;
final int pageOffset = OIntegerSerializer.INSTANCE.deserializeLiteral(stream, offset);
offset += OIntegerSerializer.INT_SIZE;
// Cached bag size. Not used after 1.7.5
offset += OIntegerSerializer.INT_SIZE;
if (fileId == -1) collectionPointer = null;
else
collectionPointer =
new OBonsaiCollectionPointer(fileId, new OBonsaiBucketPointer(pageIndex, pageOffset));
this.size = -1;
changes.putAll(ChangeSerializationHelper.INSTANCE.deserializeChanges(stream, offset));
return offset;
}
public Map<OIdentifiable, Change> deserializeChanges(final byte[] stream, int offset) {
final int count = OIntegerSerializer.INSTANCE.deserializeLiteral(stream, offset);
offset += OIntegerSerializer.INT_SIZE;
final HashMap<OIdentifiable, Change> res = new HashMap<OIdentifiable, Change>();
for (int i = 0; i < count; i++) {
ORecordId rid = OLinkSerializer.INSTANCE.deserialize(stream, offset);
offset += OLinkSerializer.RID_SIZE;
Change change = ChangeSerializationHelper.INSTANCE.deserializeChange(stream, offset);
offset += Change.SIZE;
final OIdentifiable identifiable;
if (rid.isTemporary() && rid.getRecord() != null) identifiable = rid.getRecord();
else identifiable = rid;
res.put(identifiable, change);
}
return res;
}
@Override
public int serialize(byte[] stream, int offset, UUID ownerUuid) {
for (Map.Entry<OIdentifiable, OModifiableInteger> entry : newEntries.entrySet()) {
OIdentifiable identifiable = entry.getKey();
assert identifiable instanceof ORecord;
Change c = changes.get(identifiable);
final int delta = entry.getValue().intValue();
if (c == null) changes.put(identifiable, new DiffChange(delta));
else c.applyDiff(delta);
}
newEntries.clear();
final ORecordSerializationContext context;
boolean remoteMode =
ODatabaseRecordThreadLocal.INSTANCE.get().getStorage() instanceof OStorageProxy;
if (remoteMode) {
context = null;
} else context = ORecordSerializationContext.getContext();
// make sure that we really save underlying record.
if (collectionPointer == null) {
if (context != null) {
final int clusterId = getHighLevelDocClusterId();
assert clusterId > -1;
collectionPointer =
ODatabaseRecordThreadLocal.INSTANCE
.get()
.getSbTreeCollectionManager()
.createSBTree(clusterId, ownerUuid);
}
}
OBonsaiCollectionPointer collectionPointer;
if (this.collectionPointer != null) collectionPointer = this.collectionPointer;
else {
collectionPointer = OBonsaiCollectionPointer.INVALID;
}
OLongSerializer.INSTANCE.serializeLiteral(collectionPointer.getFileId(), stream, offset);
offset += OLongSerializer.LONG_SIZE;
OBonsaiBucketPointer rootPointer = collectionPointer.getRootPointer();
OLongSerializer.INSTANCE.serializeLiteral(rootPointer.getPageIndex(), stream, offset);
offset += OLongSerializer.LONG_SIZE;
OIntegerSerializer.INSTANCE.serializeLiteral(rootPointer.getPageOffset(), stream, offset);
offset += OIntegerSerializer.INT_SIZE;
// Keep this section for binary compatibility with versions older then 1.7.5
OIntegerSerializer.INSTANCE.serializeLiteral(size, stream, offset);
offset += OIntegerSerializer.INT_SIZE;
if (context == null) {
ChangeSerializationHelper.INSTANCE.serializeChanges(
changes, OLinkSerializer.INSTANCE, stream, offset);
} else {
context.push(new ORidBagUpdateSerializationOperation(changes, collectionPointer));
// 0-length serialized list of changes
OIntegerSerializer.INSTANCE.serializeLiteral(0, stream, offset);
offset += OIntegerSerializer.INT_SIZE;
}
return offset;
}
private int getChangesSerializedSize() {
Set<OIdentifiable> changedIds = new HashSet<OIdentifiable>(changes.keySet());
changedIds.addAll(newEntries.keySet());
return ChangeSerializationHelper.INSTANCE.getChangesSerializedSize(changedIds.size());
}