org.datanucleus.api.jpa

Class JPAFetchPlan

java.lang.Object

org.datanucleus.api.jpa.JPAFetchPlan

All Implemented Interfaces:

Serializable

public class JPAFetchPlan
extends Object
implements Serializable

Implementation of a FetchPlan for JPA. Provides a JPA wrapper around the internal org.datanucleus.FetchPlan.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
JPAFetchPlan(org.datanucleus.FetchPlan fp) Constructor.

Method Summary

Modifier and Type	Method and Description
JPAFetchPlan	addGroup(String group) Method to add a group to the fetch plan.
JPAFetchPlan	clearGroups() Method to clear the fetch plan groups.
int	getDetachmentOptions() Accessor for the detachment options.
Class[]	getDetachmentRootClasses() Accessor for the detachment root classes.
Collection	getDetachmentRoots() Accessor for the detachment roots.
int	getFetchSize() Accessor for the fetch size.
Set<String>	getGroups() Accessor for the groups.
org.datanucleus.FetchPlan	getInternalFetchPlan() Accessor for the internal fetch plan.
int	getMaxFetchDepth() Accessor for the max fetch depth.
JPAFetchPlan	removeGroup(String group) Method to remove a group from the FetchPlan.
JPAFetchPlan	setDetachmentOptions(int options) Method to set the detachment options.
JPAFetchPlan	setDetachmentRootClasses(Class... rootClasses) Method to set the detachment root classes.
JPAFetchPlan	setDetachmentRoots(Collection roots) Method to set the detachment roots.
JPAFetchPlan	setFetchSize(int size) Method to set the fetch size (large result sets).
JPAFetchPlan	setGroup(String group) Method to set the FetchPlan to a single group.
JPAFetchPlan	setGroups(Collection groups) Method to set the groups to the passed collection.
JPAFetchPlan	setGroups(String... groups) Method to set the groups to the passed array.
JPAFetchPlan	setMaxFetchDepth(int depth) Method to set the max fetch depth.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JPAFetchPlan

public JPAFetchPlan(org.datanucleus.FetchPlan fp)

Constructor.

Parameters:

fp - FetchPlan

Method Detail

getGroups

public Set<String> getGroups()

Accessor for the groups.

Returns:

The groups

addGroup

public JPAFetchPlan addGroup(String group)

Method to add a group to the fetch plan.

Parameters:

group - The group to add

Returns:

The updated FetchPlan

clearGroups

public JPAFetchPlan clearGroups()

Method to clear the fetch plan groups.

Returns:

The updated FetchPlan

removeGroup

public JPAFetchPlan removeGroup(String group)

Method to remove a group from the FetchPlan.

Parameters:

group - The group to remove

Returns:

The updated FetchPlan

setGroup

public JPAFetchPlan setGroup(String group)

Method to set the FetchPlan to a single group.

Parameters:

group - The group to set

Returns:

The updated FetchPlan

setGroups

public JPAFetchPlan setGroups(Collection groups)

Method to set the groups to the passed collection.

Parameters:

groups - Collection of groups

Returns:

Updated FetchPlan

setGroups

public JPAFetchPlan setGroups(String... groups)

Method to set the groups to the passed array.

Parameters:

groups - Collection of groups

Returns:

Updated FetchPlan

getFetchSize

public int getFetchSize()

Accessor for the fetch size.

Returns:

The fetch size

setFetchSize

public JPAFetchPlan setFetchSize(int size)

Method to set the fetch size (large result sets).

Parameters:

size - The size

Returns:

Updated FetchPlan

getMaxFetchDepth

public int getMaxFetchDepth()

Accessor for the max fetch depth.

Returns:

Max fetch depth

setMaxFetchDepth

public JPAFetchPlan setMaxFetchDepth(int depth)

Method to set the max fetch depth.

Parameters:

depth - The depth

Returns:

Updated FetchPlan

getDetachmentOptions

public int getDetachmentOptions()

Accessor for the detachment options.

Returns:

Detachment options.

getDetachmentRootClasses

public Class[] getDetachmentRootClasses()

Accessor for the detachment root classes.

Returns:

Detachment root classes

getDetachmentRoots

public Collection getDetachmentRoots()

Accessor for the detachment roots.

Returns:

Detachment roots

setDetachmentOptions

public JPAFetchPlan setDetachmentOptions(int options)

Method to set the detachment options.

Parameters:

options - Detachment options

Returns:

Updated FetchPlan

setDetachmentRootClasses

public JPAFetchPlan setDetachmentRootClasses(Class... rootClasses)

Method to set the detachment root classes.

Parameters:

rootClasses - The detachment root classes

Returns:

Updated FetchPlan

setDetachmentRoots

public JPAFetchPlan setDetachmentRoots(Collection roots)

Method to set the detachment roots.

Parameters:

roots - Detachment roots

Returns:

Updated FetchPlan

getInternalFetchPlan

public final org.datanucleus.FetchPlan getInternalFetchPlan()

Accessor for the internal fetch plan.

Returns:

Internal fetch plan

toString

public String toString()

Overrides:

toString in class Object