Enum JoinFetchType
- java.lang.Object
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- java.lang.Enum<JoinFetchType>
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- org.eclipse.persistence.annotations.JoinFetchType
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- 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.- See Also:
JoinFetch
- Author:
- James Sutherland
- Since:
- Oracle TopLink 11.1.1.0.0
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description 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.
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Enum Constant Detail
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INNER
public static final JoinFetchType INNER
An inner join is used to fetch the related object. This does not allow for null/empty values.
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OUTER
public static final JoinFetchType OUTER
An inner join is used to fetch the related object. This allows for null/empty values.
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Method Detail
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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
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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 namejava.lang.NullPointerException
- if the argument is null
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