public override bool Equals(object obj)
{
DomainObjectWithTypedId <IdT> compareTo = obj as DomainObjectWithTypedId <IdT>;
if (ReferenceEquals(this, compareTo))
{
return(true);
}
if (compareTo == null || !GetType().Equals(compareTo.GetTypeUnproxied()))
{
return(false);
}
if (HasSameNonDefaultIdAs(compareTo))
{
return(true);
}
// Since the Ids aren't the same, both of them must be transient to
// compare domain signatures; because if one is transient and the
// other is a persisted entity, then they cannot be the same object.
return(IsTransient() && compareTo.IsTransient() &&
HasSameObjectSignatureAs(compareTo));
}
/// <summary>
/// Returns true if self and the provided entity have the same Id values
/// and the Ids are not of the default Id value
/// </summary>
private bool HasSameNonDefaultIdAs(DomainObjectWithTypedId <IdT> compareTo)
{
return(!IsTransient() &&
!compareTo.IsTransient() &&
Id.Equals(compareTo.Id));
}