Module org.apache.wicket.core

Package org.apache.wicket.model

Class ChainingModel<T>

java.lang.Object

org.apache.wicket.model.ChainingModel<T>

Type Parameters:

T - The Model object type

All Implemented Interfaces:

Serializable, IDetachable, IModel<T>, IClusterable

Direct Known Subclasses:

AbstractPropertyModel, CompoundPropertyModel

public class ChainingModel<T>
extends Object
implements IModel<T>

This model and its subclasses support chaining of IModels. getObject() of ChainingModel returns its object like this:

 if ( object instanceof IModel) { return ((IModel)object).getObject()}
 else return object;
 

ChainingModel also detaches the inner model on detach.

Since:

6.0.0

See Also:

• CompoundPropertyModel
• AbstractPropertyModel
• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ChainingModel(Object modelObject)

Method Summary

Modifier and Type	Method	Description
void	detach()	Unsets this property model's instance variables and detaches the model.
IModel<?>	getChainedModel()
final Object	getInnermostModelOrObject()
T	getObject()	Gets the model object.
final Object	getTarget()
void	setObject(T object)	Sets the model object.
protected final ChainingModel<T>	setTarget(Object modelObject)	Sets a new target - object or model
String	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.IModel

as, combineWith, filter, flatMap, isPresent, map, orElse, orElseGet

Constructor Details

ChainingModel

public ChainingModel(Object modelObject)

Method Details

detach

public void detach()

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

Specified by:

detach in interface IDetachable

Specified by:

detach in interface IModel<T>

See Also:

• IDetachable.detach()

setObject

public void setObject(T object)

Description copied from interface: IModel

Sets the model object.

Specified by:

setObject in interface IModel<T>

Parameters:

object - The model object

getObject

public T getObject()

Description copied from interface: IModel

Gets the model object.

Specified by:

getObject in interface IModel<T>

Returns:

The model object

getTarget

public final Object getTarget()

Returns:

The target - object or model

setTarget

protected final ChainingModel<T> setTarget(Object modelObject)

Sets a new target - object or model

Returns:

this object

getChainedModel

public IModel<?> getChainedModel()

Returns:

The target - if it is a model, null otherwise

toString

public String toString()

Overrides:

toString in class Object

getInnermostModelOrObject

public final Object getInnermostModelOrObject()

Returns:

The innermost model or the object if the target is not a model