net.databinder.models.cay
Class DataObjectModel

java.lang.Object
  net.databinder.models.LoadableWritableModel
      net.databinder.models.cay.DataObjectModel

All Implemented Interfaces:

java.io.Serializable, BindingModel, org.apache.wicket.IClusterable, org.apache.wicket.model.IDetachable, org.apache.wicket.model.IModel

public class DataObjectModel
extends LoadableWritableModel
implements BindingModel

Basic model mapping to a single Cayenne data object. Detaches at the end of a request *unless* the object has uncommitted changes.

See Also:

Serialized Form

Constructor Summary

DataObjectModel(java.lang.Class<? extends org.apache.cayenne.DataObject> objectClass)

DataObjectModel(org.apache.cayenne.DataObject object)

DataObjectModel(org.apache.cayenne.ObjectId id)

Method Summary

org.apache.cayenne.DataObject	getObject()
boolean	isBound()
protected java.lang.Object	load() Loads from storage unless the object has been retained.
protected void	onDetach() Detaches any retained object that is fully commited to storage.
void	setObject(java.lang.Object object)
void	unbind() Discard any attached object and reset to a new unsaved object

Methods inherited from class net.databinder.models.LoadableWritableModel

detach, isAttached, onAttach, setTempModelObject, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wicket.model.IDetachable

detach

Constructor Detail

DataObjectModel

public DataObjectModel(java.lang.Class<? extends org.apache.cayenne.DataObject> objectClass)

DataObjectModel

public DataObjectModel(org.apache.cayenne.ObjectId id)

DataObjectModel

public DataObjectModel(org.apache.cayenne.DataObject object)

Method Detail

load

protected java.lang.Object load()

Loads from storage unless the object has been retained.

Specified by:

load in class LoadableWritableModel

setObject

public void setObject(java.lang.Object object)

Specified by:

setObject in interface org.apache.wicket.model.IModel

Parameters:

object - must be a Cayenne DataObject

getObject

public org.apache.cayenne.DataObject getObject()

Specified by:

getObject in interface org.apache.wicket.model.IModel

Overrides:

getObject in class LoadableWritableModel

onDetach

protected void onDetach()

Detaches any retained object that is fully commited to storage.

Overrides:

onDetach in class LoadableWritableModel

isBound

public boolean isBound()

Specified by:

isBound in interface BindingModel

Returns:

true if object is bound to persistent storage

unbind

public void unbind()

Description copied from interface: BindingModel

Discard any attached object and reset to a new unsaved object

Specified by:

unbind in interface BindingModel