wicket.model
Class AbstractPropertyModel

java.lang.Object
  wicket.model.AbstractDetachableModel
      wicket.model.AbstractPropertyModel

All Implemented Interfaces:

java.io.Serializable, IDetachable, IModel

Direct Known Subclasses:

CompoundPropertyModel, PropertyModel

public abstract class AbstractPropertyModel
extends AbstractDetachableModel

Serves as a base class for different kinds of property models.

Author:

Chris Turner, Eelco Hillenius, Jonathan Locke

See Also:

AbstractDetachableModel, Serialized Form

Constructor Summary

AbstractPropertyModel(java.lang.Object modelObject)
Constructor

Method Summary

IModel	getNestedModel() Gets the nested model.
protected java.lang.Object	modelObject(Component component)
protected void	onAttach() Attaches to the current request.
protected void	onDetach() Unsets this property model's instance variables and detaches the model.
protected java.lang.Object	onGetObject(Component component) Called when getObject is called in order to retrieve the detachable object.
protected void	onSetObject(Component component, java.lang.Object object) Applies the property expression on the model object using the given object argument.
protected abstract java.lang.String	propertyExpression(Component component)
protected abstract java.lang.Class	propertyType(Component component)
java.lang.String	toString()

Methods inherited from class wicket.model.AbstractDetachableModel

attach, detach, getObject, isAttached, setObject

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractPropertyModel

public AbstractPropertyModel(java.lang.Object modelObject)

Constructor

Parameters:

modelObject - The nested model object

Method Detail

getNestedModel

public final IModel getNestedModel()

Gets the nested model.

Specified by:

getNestedModel in interface IModel

Specified by:

getNestedModel in class AbstractDetachableModel

Returns:

The nested model, null when this is the final model in the hierarchy

See Also:

IModel.getNestedModel()

modelObject

protected java.lang.Object modelObject(Component component)

Parameters:

component - The component to get the model object for

Returns:

The model for this property

propertyExpression

protected abstract java.lang.String propertyExpression(Component component)

Parameters:

component - The component to get a property expression for

Returns:

The property expression for the component

onAttach

protected void onAttach()

Description copied from class: AbstractDetachableModel

Attaches to the current request. Implement this method with custom behavior, such as loading the model object.

Specified by:

onAttach in class AbstractDetachableModel

See Also:

AbstractDetachableModel.onAttach()

onDetach

protected void onDetach()

Unsets this property model's instance variables and detaches the model.

Specified by:

onDetach in class AbstractDetachableModel

See Also:

AbstractDetachableModel.onDetach()

onGetObject

protected java.lang.Object onGetObject(Component component)

Description copied from class: AbstractDetachableModel

Called when getObject is called in order to retrieve the detachable object. Before this method is called, getObject() always calls attach() to ensure that the object is attached.

Specified by:

onGetObject in class AbstractDetachableModel

Parameters:

component - The component asking for the object

Returns:

The object

See Also:

AbstractDetachableModel.onGetObject(wicket.Component)

onSetObject

protected void onSetObject(Component component,
                           java.lang.Object object)

Applies the property expression on the model object using the given object argument.

Specified by:

onSetObject in class AbstractDetachableModel

Parameters:

object - The object that will be used when setting a value on the model object

component - The component asking for replacement of the model object

See Also:

AbstractDetachableModel.onSetObject(Component, Object)

propertyType

protected abstract java.lang.Class propertyType(Component component)

Parameters:

component - The component

Returns:

The property type

toString

public java.lang.String toString()

Overrides:

toString in class AbstractDetachableModel

See Also:

Object.toString()