org.datanucleus

Class FetchPlanForClass

java.lang.Object

org.datanucleus.FetchPlanForClass

public class FetchPlanForClass
extends Object

Representation of the fetch plan for a particular class, defining the members that are to be fetched.

Field Summary

Fields

Modifier and Type	Field and Description
protected static Localiser	LOCALISER Localisation utility for output messages

Constructor Summary

Constructors

Constructor and Description
FetchPlanForClass(AbstractClassMetaData cmd, FetchPlan fetchPlan) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
AbstractClassMetaData	getAbstractClassMetaData() Accessor for the MetaData for this classes plan.
FetchPlan	getFetchPlan() Accessor for the FetchPlan that this classes plan relates to.
int	getMaxRecursionDepthForMember(int memberNum) Method to return the effective depth of this member number in the overall fetch plan.
int[]	getMemberNumbers() Get the absolute numbers of the members in the fetch plan for this class.
BitSet	getMemberNumbersByBitSet() Get all members (of this class, and superclasses) in the fetch plan.
boolean	hasMember(int memberNumber) Return whether the specified field/property is in the fetch plan
boolean	isToCallPostLoadFetchPlan(boolean[] loadedMembers) Whether to call the post load or not.

Methods inherited from class java.lang.Object

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

Field Detail

LOCALISER

protected static final Localiser LOCALISER

Localisation utility for output messages

Constructor Detail

FetchPlanForClass

public FetchPlanForClass(AbstractClassMetaData cmd,
                 FetchPlan fetchPlan)

Constructor.

Parameters:

cmd - MetaData for the class

fetchPlan - the FetchPlan

Method Detail

getFetchPlan

public final FetchPlan getFetchPlan()

Accessor for the FetchPlan that this classes plan relates to.

Returns:

The FetchPlan

getAbstractClassMetaData

public final AbstractClassMetaData getAbstractClassMetaData()

Accessor for the MetaData for this classes plan.

Returns:

MetaData for the class represented here

getMaxRecursionDepthForMember

public int getMaxRecursionDepthForMember(int memberNum)

Method to return the effective depth of this member number in the overall fetch plan.

Parameters:

memberNum - Number of member in this class

Returns:

The (max) recursion depth

hasMember

public boolean hasMember(int memberNumber)

Return whether the specified field/property is in the fetch plan

Parameters:

memberNumber - The member number

Returns:

Whether it is in the FetchPlan

getMemberNumbers

public int[] getMemberNumbers()

Get the absolute numbers of the members in the fetch plan for this class.

Returns:

an array with the absolute position of the members

getMemberNumbersByBitSet

public BitSet getMemberNumbersByBitSet()

Get all members (of this class, and superclasses) in the fetch plan.

Returns:

an BitSet with the bits set in the absolute position of the fields

isToCallPostLoadFetchPlan

public boolean isToCallPostLoadFetchPlan(boolean[] loadedMembers)

Whether to call the post load or not. Checks if members in actual FetchPlan where not previouly loaded and the post-load is enabled in the metadata.

Parameters:

loadedMembers - already loaded members

Returns:

if is to call the postLoad