Package org.wicketstuff.minis.model

Class IsEmptyOrNullModel<W>

java.lang.Object

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

org.wicketstuff.minis.model.LoadableDetachableDependentModel<Boolean,W>

org.wicketstuff.minis.model.IsEmptyOrNullModel<W>

Type Parameters:

W - type of the dependent model

All Implemented Interfaces:

Serializable, IDetachable, IModel<Boolean>, IClusterable

public class IsEmptyOrNullModel<W>
extends LoadableDetachableDependentModel<Boolean,W>

Model of whether the object of the dependent model is empty or null.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
IsEmptyOrNullModel(IModel<W> dependentModel)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected Boolean	load()

Methods inherited from class org.wicketstuff.minis.model.LoadableDetachableDependentModel

getDependentModel, onDetach

Methods inherited from class org.apache.wicket.model.LoadableDetachableModel

detach, getObject, isAttached, of, onAttach, setObject, 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

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

Constructor Detail

IsEmptyOrNullModel

public IsEmptyOrNullModel(IModel<W> dependentModel)

Constructor.

Parameters:

dependentModel - non-null collection model this model depends on

Method Detail

load

protected Boolean load()

Specified by:

load in class LoadableDetachableModel<Boolean>