Property :: collectionLockedForUpdate - Is collection locked for update
The function checks, whether the collection has been locked for update calling lockCollectionForUpdate() . When the collection is locked, the function returns true . Instances are also locked implicitly, when being stored in a transaction.
When the property does not handle a collection, when no instance is selected in the parent property or when the property handle is not valid, the function throws an exception.
Return value: Success ( bool )
The value is true when the function was executed successfully. Otherwise the value is set to false .