Package com.sun.jdo.api.persistence.model.jdo

Interface FieldGroupElement.Impl

All Superinterfaces:

PersistenceElement.Impl, PersistenceMemberElement.Impl

All Known Subinterfaces:

ConcurrencyGroupElement.Impl

All Known Implementing Classes:

ConcurrencyGroupElementImpl, FieldGroupElementImpl

Enclosing class:

FieldGroupElement

public static interface FieldGroupElement.Impl
extends PersistenceMemberElement.Impl

Pluggable implementation of the storage of field element properties.

See Also:

• PersistenceFieldElement(com.sun.jdo.api.persistence.model.jdo.PersistenceFieldElement.Impl, com.sun.jdo.api.persistence.model.jdo.PersistenceClassElement)

Field Summary

Fields inherited from interface com.sun.jdo.api.persistence.model.jdo.PersistenceElement.Impl

ADD, REMOVE, SET

Method Summary

Modifier and Type	Method	Description
void	changeFields(PersistenceFieldElement[] fields, int action)	Change the set of fields.
PersistenceFieldElement	getField(String name)	Find a field by name.
PersistenceFieldElement[]	getFields()	Get all fields.

Methods inherited from interface com.sun.jdo.api.persistence.model.jdo.PersistenceElement.Impl

addPropertyChangeListener, addVetoableChangeListener, attachToElement, getName, removePropertyChangeListener, removeVetoableChangeListener, setName

Method Details

changeFields

void changeFields(PersistenceFieldElement[] fields,
 int action)
           throws ModelException

Change the set of fields.

Parameters:

fields - the new fields

action - PersistenceElement.Impl.ADD, PersistenceElement.Impl.REMOVE, or PersistenceElement.Impl.SET

Throws:

ModelException - if impossible

getFields

PersistenceFieldElement[] getFields()

Get all fields.

Returns:

the fields

getField

PersistenceFieldElement getField(String name)

Find a field by name.

Parameters:

name - the name to match

Returns:

the field, or null if it does not exist