com.sun.jdo.api.persistence.model.jdo.impl
Class FieldGroupElementImpl

java.lang.Object
  com.sun.jdo.api.persistence.model.jdo.impl.PersistenceElementImpl
      com.sun.jdo.api.persistence.model.jdo.impl.PersistenceMemberElementImpl
          com.sun.jdo.api.persistence.model.jdo.impl.FieldGroupElementImpl

All Implemented Interfaces:

FieldGroupElement.Impl, PersistenceElement.Impl, PersistenceElementProperties, PersistenceMemberElement.Impl

Direct Known Subclasses:

ConcurrencyGroupElementImpl

public class FieldGroupElementImpl
extends PersistenceMemberElementImpl
implements FieldGroupElement.Impl

Version:

%I%

Author:

raccah

Field Summary

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

ADD, REMOVE, SET

Fields inherited from interface com.sun.jdo.api.persistence.model.jdo.PersistenceElementProperties

PROP_CARDINALITY, PROP_COLLECTION_CLASS, PROP_DELETE_ACTION, PROP_ELEMENT_CLASS, PROP_FIELDS, PROP_GROUPS, PROP_IDENTITY, PROP_INVERSE_FIELD, PROP_KEY_CLASS, PROP_KEY_FIELD, PROP_MODIFIED, PROP_NAME, PROP_PERSISTENCE, PROP_PREFETCH, PROP_SENSITIVITY, PROP_UPDATE_ACTION

Constructor Summary

FieldGroupElementImpl()
Create new FieldGroupElementImpl with no corresponding name.

FieldGroupElementImpl(String name)
Creates new FieldGroupElementImpl with the corresponding name

Method Summary

void	changeFields(PersistenceFieldElement[] fields, int action) Change the set of fields.
PersistenceElementCollection	getCollection() Returns the field collection of this field group element.
PersistenceFieldElement	getField(String name) Find a field by name.
PersistenceFieldElement[]	getFields() Get all fields.
void	setCollection(PersistenceElementCollection collection) Set the field collection of this field group element to the supplied collection.

Methods inherited from class com.sun.jdo.api.persistence.model.jdo.impl.PersistenceMemberElementImpl

firePropertyChange, fireVetoableChange

Methods inherited from class com.sun.jdo.api.persistence.model.jdo.impl.PersistenceElementImpl

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

Methods inherited from class java.lang.Object

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

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

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

Constructor Detail

FieldGroupElementImpl

public FieldGroupElementImpl()

Create new FieldGroupElementImpl with no corresponding name. This constructor should only be used for cloning and archiving.

FieldGroupElementImpl

public FieldGroupElementImpl(String name)

Creates new FieldGroupElementImpl with the corresponding name

Parameters:

name - the name of the element

Method Detail

getField

public PersistenceFieldElement getField(String name)

Find a field by name.

Specified by:

getField in interface FieldGroupElement.Impl

Parameters:

name - the name to match

Returns:

the field, or null if it does not exist

getFields

public PersistenceFieldElement[] getFields()

Get all fields.

Specified by:

getFields in interface FieldGroupElement.Impl

Returns:

the fields

changeFields

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

Change the set of fields.

Specified by:

changeFields in interface FieldGroupElement.Impl

Parameters:

fields - the new fields

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

Throws:

ModelException - if impossible

getCollection

public PersistenceElementCollection getCollection()

Returns the field collection of this field group element. This method should only be used internally and for cloning and archiving.

Returns:

the field collection of this field group element

setCollection

public void setCollection(PersistenceElementCollection collection)

Set the field collection of this field group element to the supplied collection. This method should only be used internally and for cloning and archiving.

Parameters:

collection - the field collection of this field group element