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2016-04-01 09:12 513 查看
Target:
Classes

Defines the inheritance strategy to be used for an entity class hierarchy. It is specified on the entity class that is the root of the entity class hierarchy. If the 
Inheritance
 annotation is not specified or if no inheritance type is specified for an entity class hierarchy, the 
SINGLE_TABLE mapping strategy is used.

Example:

@Entity @Inheritance(strategy=JOINED) public class Customer{ ... } @Entity public class ValuedCustomer { ... }


Since:
JPA 1.0

InheritanceType strategy

The strategy to be used for the entity inheritance hierarchy.

Default value:
javax.persistence.InheritanceType.SINGLE_TABLE

Since:
JPA 1.0

 
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