IviServiceNullablePropertyDelegate
class IviServiceNullablePropertyDelegate<T>(observer: ChangeHandler<T?>) : IviServicePropertyDelegate<T?>
Property delegate for nullable IVI service properties, except MirrorableMap
Same as IviServiceNonNullPropertyDelegate but for nullable properties. The IviServiceBase does not check nullable properties.
For non-null properties, see IviServiceNonNullPropertyDelegate For MirrorableMap properties, see IviServiceNonNullMirrorableMapPropertyDelegate and IviServiceNullableMirrorableMapPropertyDelegate
Properties
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When not null
, this callback is invoked after an IVI service interface property has changed and the new value is propagated to clients.
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When not null
, this callback is invoked when an IVI service interface property has changed, before the actual property value is changed and the new value is propagated to clients.