JDO Method
in javax.jdo.PersistenceManager

T getObjectById(
  Class<T> cls, 
  Object key
)

Looks up the instance of the given type with the given key.
Parameters:
cls - The type of object to load
key - either the string representation of the object id, or an object representation of a single field identity key
Return:
the corresponding persistent instance
Since:
JDO 2.0