Invoked by an Spring.Objects.Factory.IObjectFactory after it has set all object properties supplied (and satisfied Spring.Objects.Factory.IObjectFactoryAware and ApplicationContextAware).
This method allows the object instance to perform initialization only possible when all object properties have been set and to throw an exception in the event of misconfiguration.
/// In the event of misconfiguration (such as failure to set an essential
/// property) or if initialization fails.
///