javax.persistence
Enum CascadeType
java.lang.Object
java.lang.Enum<CascadeType>
javax.persistence.CascadeType
- All Implemented Interfaces:
- java.io.Serializable, java.lang.Comparable<CascadeType>
public enum CascadeType
- extends java.lang.Enum<CascadeType>
Defines the set of cascadable operations that are propagated
to the associated entity.
The value cascade=ALL is equivalent to
cascade={PERSIST, MERGE, REMOVE, REFRESH}
.
- Since:
- Java Persistence 1.0
Enum Constant Summary |
ALL
Cascade all operations |
MERGE
Cascade merge operation |
PERSIST
Cascade persist operation |
REFRESH
Cascade refresh operation |
REMOVE
Cascade remove operation |
Method Summary |
static CascadeType |
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. |
static CascadeType[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared. |
Methods inherited from class java.lang.Enum |
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf |
Methods inherited from class java.lang.Object |
getClass, notify, notifyAll, wait, wait, wait |
ALL
public static final CascadeType ALL
- Cascade all operations
PERSIST
public static final CascadeType PERSIST
- Cascade persist operation
MERGE
public static final CascadeType MERGE
- Cascade merge operation
REMOVE
public static final CascadeType REMOVE
- Cascade remove operation
REFRESH
public static final CascadeType REFRESH
- Cascade refresh operation
values
public static CascadeType[] values()
- Returns an array containing the constants of this enum type, in
the order they are declared. This method may be used to iterate
over the constants as follows:
for (CascadeType c : CascadeType.values())
System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in
the order they are declared
valueOf
public static CascadeType valueOf(java.lang.String name)
- Returns the enum constant of this type with the specified name.
The string must match exactly an identifier used to declare an
enum constant in this type. (Extraneous whitespace characters are
not permitted.)
- Parameters:
name
- the name of the enum constant to be returned.
- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant
with the specified name
java.lang.NullPointerException
- if the argument is null