public enum BatchFetchType extends java.lang.Enum<BatchFetchType>
BatchFetch
,
ForeignReferenceMapping#setBatchFetch(BatchFetchType)
Enum Constant and Description |
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EXISTS
This uses an SQL EXISTS and a sub-select in the batch query instead of a join.
|
IN
This uses an SQL IN clause in the batch query passing in the source object Ids.
|
JOIN
This is the default form of batch reading.
|
Modifier and Type | Method and Description |
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static BatchFetchType |
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.
|
static BatchFetchType[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final BatchFetchType JOIN
public static final BatchFetchType EXISTS
public static final BatchFetchType IN
public static BatchFetchType[] values()
for (BatchFetchType c : BatchFetchType.values()) System.out.println(c);
public static BatchFetchType valueOf(java.lang.String name)
name
- the name of the enum constant to be returned.java.lang.IllegalArgumentException
- if this enum type has no constant
with the specified namejava.lang.NullPointerException
- if the argument is null