枚举 CascadeType

    • 枚举常量详细资料

      • ALL

        public static final CascadeType ALL
        Includes all types listed here.
      • PERSIST

        public static final CascadeType PERSIST
        Corresponds to CascadeType.PERSIST.
      • MERGE

        public static final CascadeType MERGE
        Corresponds to CascadeType.MERGE.
      • REMOVE

        public static final CascadeType REMOVE
        Corresponds to CascadeType.REMOVE.
      • REFRESH

        public static final CascadeType REFRESH
        Corresponds to CascadeType.REFRESH.
      • DELETE

        public static final CascadeType DELETE
        Corresponds to the Hibernate native DELETE action.
      • SAVE_UPDATE

        public static final CascadeType SAVE_UPDATE
        Corresponds to the Hibernate native SAVE_UPDATE (direct reattachment) action.
      • REPLICATE

        public static final CascadeType REPLICATE
        Corresponds to the Hibernate native REPLICATE action.
      • DELETE_ORPHAN

        @Deprecated
        public static final CascadeType DELETE_ORPHAN
        已过时。
        use @OneToOne(orphanRemoval=true) or @OneToMany(orphanRemoval=true)
        Hibernate originally handled orphan removal as a specialized cascade.
      • LOCK

        public static final CascadeType LOCK
        Corresponds to the Hibernate native LOCK action.
      • EVICT

        @Deprecated
        public static final CascadeType EVICT
        已过时。
        use CascadeType.DETACH
        JPA originally planned on calling DETACH EVICT.
      • DETACH

        public static final CascadeType DETACH
        Corresponds to CascadeType.DETACH.
    • 方法详细资料

      • values

        public static CascadeType[] values()
        按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。该方法可用于迭代 常量, 如下所示:
        for (CascadeType c : CascadeType.values())
            System.out.println(c);
        
        返回:
        按照声明该枚举类型的常量的顺序返回的包含这些常量的数组
      • valueOf

        public static CascadeType valueOf​(String name)
        返回带有指定名称的该类型的枚举常量。 字符串必须与用于声明该类型的枚举常量的 标识符完全匹配。(不允许有多余 的空格字符。)
        参数:
        name - 要返回的枚举常量的名称。
        返回:
        返回带有指定名称的枚举常量
        抛出:
        IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量
        NullPointerException - 如果参数为空值