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org.hibernate.engine

public final Enum FetchStyle

Class Inheritance

extends Enum<FetchStyle>

java.lang.Object
java.lang.Enum
org.hibernate.engine.FetchStyle

Enumeration of values describing how fetching should occur.

Author: Steve Ebersole
See Also: FetchTiming

Field Summary

Modifier and Type	Field and Description
public static final FetchStyle	BATCH Initializes a number of indicated data items (entities or collections) in a series of grouped sql selects using an in-style sql restriction to define the batch size.
public static final FetchStyle	JOIN Inherently an eager style of fetching.
public static final FetchStyle	SELECT Performs a separate SQL select to load the indicated data.
public static final FetchStyle	SUBSELECT Performs fetching of associated data (currently limited to only collections) based on the sql restriction used to load the owner.

Constructor Summary

Access	Constructor and Description
private	FetchStyle()

Method Summary

Modifier and Type	Method and Description
public static FetchStyle	valueOf(String name)
public static FetchStyle[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

BATCH	back to summary
public static final FetchStyle BATCH Initializes a number of indicated data items (entities or collections) in a series of grouped sql selects using an in-style sql restriction to define the batch size. Again, can be either eager or lazy.

JOIN	back to summary
public static final FetchStyle JOIN Inherently an eager style of fetching. The data to be fetched is obtained as part of an SQL join.

SELECT	back to summary
public static final FetchStyle SELECT Performs a separate SQL select to load the indicated data. This can either be eager (the second select is issued immediately) or lazy (the second select is delayed until the data is needed).

SUBSELECT	back to summary
public static final FetchStyle SUBSELECT Performs fetching of associated data (currently limited to only collections) based on the sql restriction used to load the owner. Again, can be either eager or lazy.

Constructor Detail

FetchStyle	back to summary
private FetchStyle()

Method Detail

valueOf	back to summary
public static FetchStyle valueOf(String name)

values	back to summary
public static FetchStyle[] values()