javax.jdo.spi
Interface PersistenceCapable.ObjectIdFieldSupplier

All Known Subinterfaces:

PersistenceCapable.ObjectIdFieldManager

Enclosing interface:

PersistenceCapable

public static interface PersistenceCapable.ObjectIdFieldSupplier

This interface is used to provide fields to the Object id instance. It is used by the method copyKeyFieldsToObjectId. When the method is called, the generated code calls the instance of ObjectIdFieldManager for each field in the object id.

Method Summary

boolean	fetchBooleanField(int fieldNumber) Fetch one field from the field manager.
byte	fetchByteField(int fieldNumber) Fetch one field from the field manager.
char	fetchCharField(int fieldNumber) Fetch one field from the field manager.
double	fetchDoubleField(int fieldNumber) Fetch one field from the field manager.
float	fetchFloatField(int fieldNumber) Fetch one field from the field manager.
int	fetchIntField(int fieldNumber) Fetch one field from the field manager.
long	fetchLongField(int fieldNumber) Fetch one field from the field manager.
java.lang.Object	fetchObjectField(int fieldNumber) Fetch one field from the field manager.
short	fetchShortField(int fieldNumber) Fetch one field from the field manager.
java.lang.String	fetchStringField(int fieldNumber) Fetch one field from the field manager.

Method Detail

fetchBooleanField

public boolean fetchBooleanField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchCharField

public char fetchCharField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchByteField

public byte fetchByteField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchShortField

public short fetchShortField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchIntField

public int fetchIntField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchLongField

public long fetchLongField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchFloatField

public float fetchFloatField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchDoubleField

public double fetchDoubleField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchStringField

public java.lang.String fetchStringField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.

fetchObjectField

public java.lang.Object fetchObjectField(int fieldNumber)

Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId.

Parameters:

fieldNumber - the field number of the key field.

Returns:

the value of the field to be stored into the ObjectId.