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org.eclipse.persistence.annotations
Enum JoinFetchType
java.lang.Object
java.lang.Enum<JoinFetchType>
org.eclipse.persistence.annotations.JoinFetchType
- All Implemented Interfaces:
- java.io.Serializable, java.lang.Comparable<JoinFetchType>
-
public enum JoinFetchType
- extends java.lang.Enum<JoinFetchType>
An enum type that is used within the JoinFetch annotation.
- Since:
- Oracle TopLink 11.1.1.0.0
- Author:
- James Sutherland
- See Also:
JoinFetch
Enum Constant Summary |
INNER
An inner join is used to fetch the related object. |
OUTER
An inner join is used to fetch the related object. |
Method Summary |
static JoinFetchType |
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. |
static JoinFetchType[] |
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 |
INNER
public static final JoinFetchType INNER
- An inner join is used to fetch the related object. This does not allow for null/empty values.
OUTER
public static final JoinFetchType OUTER
- An inner join is used to fetch the related object. This allows for null/empty values.
values
public static JoinFetchType[] 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 (JoinFetchType c : JoinFetchType.values())
System.out.println(c);
-
- Returns:
- an array containing the constants of this enum type, in the order they are declared
valueOf
public static JoinFetchType 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
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