枚举 CascadeType
- java.lang.Object
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- java.lang.Enum<CascadeType>
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- org.hibernate.annotations.CascadeType
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- 所有已实现的接口:
Serializable,Comparable<CascadeType>
public enum CascadeType extends Enum<CascadeType>
Cascade types (can override default JPA cascades).
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枚举常量概要
枚举常量 枚举常量 说明 ALLIncludes all types listed here.DELETECorresponds to the Hibernate native DELETE action.DELETE_ORPHAN已过时。use @OneToOne(orphanRemoval=true) or @OneToMany(orphanRemoval=true)DETACHCorresponds toCascadeType.DETACH.EVICT已过时。useCascadeType.DETACHLOCKCorresponds to the Hibernate native LOCK action.MERGECorresponds toCascadeType.MERGE.PERSISTCorresponds toCascadeType.PERSIST.REFRESHCorresponds toCascadeType.REFRESH.REMOVECorresponds toCascadeType.REMOVE.REPLICATECorresponds to the Hibernate native REPLICATE action.SAVE_UPDATECorresponds to the Hibernate native SAVE_UPDATE (direct reattachment) action.
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枚举常量详细资料
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ALL
public static final CascadeType ALL
Includes all types listed here.
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PERSIST
public static final CascadeType PERSIST
Corresponds toCascadeType.PERSIST.
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MERGE
public static final CascadeType MERGE
Corresponds toCascadeType.MERGE.
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REMOVE
public static final CascadeType REMOVE
Corresponds toCascadeType.REMOVE.
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REFRESH
public static final CascadeType REFRESH
Corresponds toCascadeType.REFRESH.
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DELETE
public static final CascadeType DELETE
Corresponds to the Hibernate native DELETE action.
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SAVE_UPDATE
public static final CascadeType SAVE_UPDATE
Corresponds to the Hibernate native SAVE_UPDATE (direct reattachment) action.
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REPLICATE
public static final CascadeType REPLICATE
Corresponds to the Hibernate native REPLICATE action.
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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.
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LOCK
public static final CascadeType LOCK
Corresponds to the Hibernate native LOCK action.
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EVICT
@Deprecated public static final CascadeType EVICT
已过时。useCascadeType.DETACHJPA originally planned on calling DETACH EVICT.
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DETACH
public static final CascadeType DETACH
Corresponds toCascadeType.DETACH.
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方法详细资料
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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
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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
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