我的 JPA 物體作為列舉欄位
@Table(name="zsrb_ordini_prod")
@Entity
@JsonIgnoreProperties(ignoreUnknown = true)
public class OrdineProd implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public Long idOrdineProd;
...
@Enumerated(EnumType.STRING)
public StOrdine stato = StOrdine.CREATO;
...
}
在哪里
public enum StOrdine {
CREATO,
SCHEDULATO,
CONFERMATO,
SCARTATO
}
如果我添加帶有規范的 where 條件
Specification<OrdineProd> = (root, query, qb)->
qb.equal(root.get("stato"), StOrdine.SCHEDULATO);
java.lang.IllegalArgumentException: Parameter value [SCHEDULATO] did not match expected type [imp.srb.progettazione.ordProd.StOrdine (n/a)]
at org.hibernate.query.spi.QueryParameterBindingValidator.validate(QueryParameterBindingValidator.java:54) ~[hibernate-core-5.4.9.Final.jar:5.4.9.Final]
at org.hibernate.query.spi.QueryParameterBindingValidator.validate(QueryParameterBindingValidator.java:27) ~[hibernate-core-5.4.9.Final.jar:5.4.9.Final]
...
將列舉包含到規范查詢中的正確方法是什么?
uj5u.com熱心網友回復:
嘗試這樣做:
Specification<OrdineProd> = (root, query, qb) ->
qb.equal(root.get("stato"), StOrdine.SCHEDULATO.name);
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