2014-12-11 59 views
0

我有一個POJO映射到存儲過程的結果。休眠SqlResultSetMapping相同的結果重複而不是唯一的

@NamedNativeQueries({ 
@NamedNativeQuery(name="Pojo.getNotification", 
     query="call SP_GET_NOTIFICATIONS()", 
     resultSetMapping = "notificationMapping", 
     resultClass = Pojo.class, 
     hints = {@QueryHint(name="org.hibernate.cacheable", value="false")} 
    ) 
} 
) 

@SqlResultSetMapping(name="notificationMapping", 
    entities = { 
      @EntityResult(
        entityClass = Pojo.class, 
        fields={ 
         @FieldResult(name="memberId", column="MBR_ID"), 
         @FieldResult(name="programId", column="PROG_ID") 
        } 
      ) 
    } 
) 

@Entity 
public class Pojo { 

@Id 
private Integer memberId; 

private Integer programId; 

public Integer getMemberId() { 
    return memberId; 
} 

public void setMemberId(Integer memberId) { 
    this.memberId = memberId; 
} 

public Integer getProgramId() { 
    return programId; 
} 

public void setProgramId(Integer programId) { 
    this.programId = programId; 
} 
} 

存儲過程是這樣的

CREATE PROCEDURE SCHEMA.SP_GET_NOTIFICATIONS() 
LANGUAGE SQL 
DYNAMIC RESULT SETS 1 
BEGIN 
DECLARE C2 CURSOR WITH HOLD WITH RETURN TO CLIENT FOR 

    SELECT DISTINCT MBR.MBR_ID AS "MBR_ID", 
      PROG.MBR_PGM_ID AS "PROG_ID" 
FROM SCHEMA.MEMBER_TBL MBR, SCHEMA.MEMBER_PGM_TBL PROG where MBR.SOMETHING = PROG.SOMETHING; 
OPEN C2;       
END 

我這樣調用

List<?> resultSet = mySessionFactory 
       .getCurrentSession() 
       .getNamedQuery(
         "Pojo.getNotification") 
       .setCacheable(false).setCacheMode(CacheMode.REFRESH).list(); 

命名的本地查詢如果我運行蟾蜍的選擇查詢,我看到了兩個不同的記錄。不過,如果我通過迭代的resultSet,我看到的只有一個出現兩次記錄:

[getMemberId()=114, getProgramId()=111] 
[getMemberId()=114, getProgramId()=111] 

不知道,如果映射是錯誤的或我需要實現的東西。順便說一句,我有使用這兩個屬性POJO中定義的hashcode和equals方法。

我使用Hibernate 4.2.7和ehcache。數據庫是DB2。該框架是Spring/Camel。

回答

0

我發現它是我的@Id註釋的問題。這是在成員,這得到了重複。雖然節目ID不重複,並且是獨一無二的。所以,當我將@Id註釋放在程序上時,它的行爲如預期。歡呼!!