Class ObservablePropertyModel<T>
- java.lang.Object
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- org.apache.wicket.model.ChainingModel<T>
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- org.apache.wicket.model.AbstractPropertyModel<T>
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- org.apache.wicket.model.PropertyModel<T>
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- org.hippoecm.frontend.model.event.ObservablePropertyModel<T>
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- All Implemented Interfaces:
Serializable
,org.apache.wicket.model.IDetachable
,org.apache.wicket.model.IModel<T>
,org.apache.wicket.model.IObjectClassAwareModel<T>
,org.apache.wicket.model.IPropertyReflectionAwareModel<T>
,org.apache.wicket.util.io.IClusterable
,IObservable
,IObservableModel<T>
public class ObservablePropertyModel<T> extends org.apache.wicket.model.PropertyModel<T> implements IObservableModel<T>
A property model that observes an observable target.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description ObservablePropertyModel(IObservable target, String expression)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
detach()
void
setObservationContext(IObservationContext<? extends IObservable> context)
Before observation is started on the observable, an observation context is injected by the observer registry.void
startObservation()
When the firstIObserver
of this observable is registered with the observer registry, observation is started.void
stopObservation()
When the lastIObserver
unregisters, observation is stopped.-
Methods inherited from class org.apache.wicket.model.AbstractPropertyModel
getObject, getObjectClass, getPropertyExpression, getPropertyField, getPropertyGetter, getPropertySetter, setObject
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Methods inherited from class org.apache.wicket.model.ChainingModel
getChainedModel, getInnermostModelOrObject, getTarget, setTarget
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.wicket.model.IModel
combineWith, filter, flatMap, getObject, isPresent, map, orElse, orElseGet, setObject
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Methods inherited from interface org.hippoecm.frontend.model.event.IObservable
equals, hashCode
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Constructor Detail
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ObservablePropertyModel
public ObservablePropertyModel(IObservable target, String expression)
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Method Detail
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detach
public void detach()
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setObservationContext
public void setObservationContext(IObservationContext<? extends IObservable> context)
Description copied from interface:IObservable
Before observation is started on the observable, an observation context is injected by the observer registry. This context can be used to notify listeners.- Specified by:
setObservationContext
in interfaceIObservable
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startObservation
public void startObservation()
Description copied from interface:IObservable
When the firstIObserver
of this observable is registered with the observer registry, observation is started. Implementations must notify observers until observation is stopped.An implementation should register listeners with external data sources, when appropriate. It is possible for an observable to register as an observer for another observable.
- Specified by:
startObservation
in interfaceIObservable
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stopObservation
public void stopObservation()
Description copied from interface:IObservable
When the lastIObserver
unregisters, observation is stopped. Any listeners or observers registered by the observable must be unregistered by the implementation.- Specified by:
stopObservation
in interfaceIObservable
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