Objects stored in the repository are called persistent objects and their types are referred to as persistent types. All persistent types are part of a type hierarchy rooted in the internal type persistent object, which has the following attributes:
r_object_id:This is used for uniquely identifying the object and is assigned by Content Server. This property has been described earlier in this chapter.
i_vstamp:This is used internally for managing object updates and holds the number of committed transactions that have altered this object.
i_is_replica:This is used in replication and determines whether an object is a replica of another in a different repository. Object replication replicates (copies) objects, both content and metadata, ...