org.datanucleus.store.fieldmanager
Interface FieldSupplier

All Known Subinterfaces:

FieldManager

All Known Implementing Classes:

AbstractFetchFieldManager, AbstractFieldManager, AttachFieldManager, CachePopulateFieldManager, CacheRetrieveFieldManager, DeleteFieldManager, DetachFieldManager, LoadFieldManager, MakeTransientFieldManager, NullifyRelationFieldManager, PersistFieldManager, ReachabilityFieldManager, SingleTypeFieldManager, SingleValueFieldManager, UnsetOwners

public interface FieldSupplier

Interface providing methods for supplying field values to a persistable object. Based on the JDO interface PersistenceCapable.ObjectIdFieldSupplier.

Version:

$Revision: 1.1 $

Method Summary

boolean	fetchBooleanField(int fieldNumber) Fetch a boolean field at the specified field number, returning it.
byte	fetchByteField(int fieldNumber) Fetch a byte field at the specified field number, returning it.
char	fetchCharField(int fieldNumber) Fetch a char field at the specified field number, returning it.
double	fetchDoubleField(int fieldNumber) Fetch a double field at the specified field number, returning it.
float	fetchFloatField(int fieldNumber) Fetch a float field at the specified field number, returning it.
int	fetchIntField(int fieldNumber) Fetch an int field at the specified field number, returning it.
long	fetchLongField(int fieldNumber) Fetch a long field at the specified field number, returning it.
java.lang.Object	fetchObjectField(int fieldNumber) Fetch an object field at the specified field number, returning it.
short	fetchShortField(int fieldNumber) Fetch a short field at the specified field number, returning it.
java.lang.String	fetchStringField(int fieldNumber) Fetch a string field at the specified field number, returning it.

Method Detail

fetchBooleanField

boolean fetchBooleanField(int fieldNumber)

Fetch a boolean field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchByteField

byte fetchByteField(int fieldNumber)

Fetch a byte field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchCharField

char fetchCharField(int fieldNumber)

Fetch a char field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchDoubleField

double fetchDoubleField(int fieldNumber)

Fetch a double field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchFloatField

float fetchFloatField(int fieldNumber)

Fetch a float field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchIntField

int fetchIntField(int fieldNumber)

Fetch an int field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchLongField

long fetchLongField(int fieldNumber)

Fetch a long field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchShortField

short fetchShortField(int fieldNumber)

Fetch a short field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchStringField

java.lang.String fetchStringField(int fieldNumber)

Fetch a string field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value

fetchObjectField

java.lang.Object fetchObjectField(int fieldNumber)

Fetch an object field at the specified field number, returning it.

Parameters:

fieldNumber - Number of the field

Returns:

The value