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SDO_Model_Type::isAbstractType — Test to see if this SDO_Model_Type is an abstract data type
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
   Test to see if this SDO_Model_Type is an abstract data type.
   Returns TRUE if this type is abstract, that is, no SDO_DataObject
   of this type can be instantiated, though other types may inherit
   from it.
  
None.
   Returns TRUE if this type is an abstract data type, otherwise returns 
   FALSE.