我有一个使用 JPA 注释的映射类,我希望它对两个字段使用两个单独的序列:
@Entity
@Table(name="my_table", schema="schema")
@SequenceGenerator(name="sequence",sequenceName="schema.local_key_sequence")
@SequenceGenerator(name="orderSequence",sequenceName="schema.message_received_sequence")
public class MyClass
{
@Id
@Column(name="unique_key",unique=true)
@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="sequence")
private long id;
@Column(name="sequence_received")
@GeneratedValue( strategy = GenerationType.SEQUENCE,generator="orderSequence" )
private long sequenceReceived;
[...]
}
但是,JPA 禁止我@SequenceGenerator
进入实体。我该怎么做。
注意:为澄清起见,我希望从 的下一个值自动生成 ID local_key_sequence
,并从 自动生成 sequenceReceived message_received_sequence
。