/// <summary>
/// Determines whether the specified <see cref="System.Object"/> is equal to this instance.
/// </summary>
/// <param name="obj">The <see cref="System.Object"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public override bool Equals(Object obj)
{
GenericEntity <TId> compareTo = obj as GenericEntity <TId>;
if (ReferenceEquals(this, compareTo))
{
return(true);
}
if (compareTo == null || !GetType().Equals(compareTo.GetInnerType()))
{
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>
/// Determines whether self and the provided entity have the same Id values.
/// </summary>
/// <param name="compareTo">The compare to.</param>
/// <returns>
/// <c>true</c> if self and the provided entity have the same Id values; otherwise, <c>false</c>.
/// </returns>
private bool HasSameNonDefaultIdAs(GenericEntity <TId> compareTo)
{
return(!IsTransient() && !compareTo.IsTransient() && Id.Equals(compareTo.Id));
}