Class ValueChangeEvent<T>
- java.lang.Object
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- java.util.EventObject
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- org.eclipse.core.databinding.observable.ObservableEvent
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- org.eclipse.core.databinding.observable.value.ValueChangeEvent<T>
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- Type Parameters:
T
- the type of value being observed
- All Implemented Interfaces:
Serializable
public class ValueChangeEvent<T> extends ObservableEvent
Value change event describing a change of anIObservableValue
object's current value.- Since:
- 1.0
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description ValueDiff<T>
diff
Description of the change to the source observable value.-
Fields inherited from class java.util.EventObject
source
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Constructor Summary
Constructors Constructor Description ValueChangeEvent(IObservableValue<T> source, ValueDiff<T> diff)
Creates a new value change event.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
dispatch(IObservablesListener listener)
Dispatch this event to the given listener.protected Object
getListenerType()
Returns a unique object used for distinguishing this event type from others.IObservableValue<T>
getObservableValue()
Returns the observable value from which this event originated.-
Methods inherited from class org.eclipse.core.databinding.observable.ObservableEvent
getObservable
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Methods inherited from class java.util.EventObject
getSource, toString
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Constructor Detail
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ValueChangeEvent
public ValueChangeEvent(IObservableValue<T> source, ValueDiff<T> diff)
Creates a new value change event.- Parameters:
source
- the source observable valuediff
- the value change
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Method Detail
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getObservableValue
public IObservableValue<T> getObservableValue()
Returns the observable value from which this event originated.- Returns:
- returns the observable value from which this event originated
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dispatch
protected void dispatch(IObservablesListener listener)
Description copied from class:ObservableEvent
Dispatch this event to the given listener. Subclasses must implement this method by calling the appropriate type-safe event handling method on the given listener according to the type of this event.- Specified by:
dispatch
in classObservableEvent
- Parameters:
listener
- the listener that should handle the event
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getListenerType
protected Object getListenerType()
Description copied from class:ObservableEvent
Returns a unique object used for distinguishing this event type from others.- Specified by:
getListenerType
in classObservableEvent
- Returns:
- a unique object representing the concrete type of this event.
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