return null;
if (classId == RECORD_RID) {
return network.readRID();
} else {
final ORecord record = Orient.instance().getRecordFactoryManager().newInstance(network.readByte());
final ORecordId rid = network.readRID();
final ORecordVersion version = network.readVersion();
final byte[] content = network.readBytes();
ORecordInternal.fill(record, rid, version, content, false);