= ObjectValidityEvent
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Supported only by xref:refguide:applib:index/services/wrapper/WrapperFactory.adoc[WrapperFactory] , represents a check as to whether the current values of the properties/collections of an object are valid (for example, prior to saving that object).

If _#getReason()_ is not `null` then provides the reason why the object is invalid, otherwise ok.

== API

[source,java]
.ObjectValidityEvent.java
----
class ObjectValidityEvent {
  ObjectValidityEvent(Object source, Identifier classIdentifier)
  Object getProposed()
}
----

