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ENTITY constraint_attribute ABSTRACT SUPERTYPE OF (ONEOF (attribute_value_constraint, select_constraint, aggregate_member_constraint, entity_constraint)) SUBTYPE OF (constraint); END_ENTITY; -- constraint_attribute  | 
Entity data types and their attributesconstraint- constraint_attribute -  | 
|           aggregate_member_constraint (SDAI_MAPPING_SCHEMA) | 
|           aggregate_size_constraint (SDAI_MAPPING_SCHEMA) | 
|           attribute_value_constraint (SDAI_MAPPING_SCHEMA) | 
|           entity_constraint (SDAI_MAPPING_SCHEMA) | 
|           select_constraint (SDAI_MAPPING_SCHEMA) | 
Global rules for this entity data type- | 
public interface EConstraint_attribute extends EConstraint | 
public class CConstraint_attribute implements EConstraint_attribute | 
public class AConstraint_attribute extends AEntitypublic EConstraint_attribute getByIndex(int index)public EConstraint_attribute getCurrentMember(SdaiIterator it)  |