/// <summary>
/// Compares this entity to another entity. If both objects implement
/// the <see cref="IIdentifiable"/> interface, then comparison is based
/// on each object's <see cref="IIdentity"/>. Otherwise, comparison
/// is based on reference equality.
/// </summary>
/// <param name="other">The entity to compare to.</param>
/// <returns>A number reflecting the similarity of objects.
/// A value of zero indicates equality; all other values indicate inequality.
/// </returns>
public int CompareTo(T other)
{
if (other == this)
{
return(0);
}
if (other == null)
{
return(-1);
}
IIdentifiable obj1 = this as IIdentifiable;
IIdentifiable obj2 = other as IIdentifiable;
if (obj1 != null && obj2 != null)
{
return(obj1.GetIdentity().CompareTo(obj2.GetIdentity()));
}
return(1);
}
/// <summary>
/// Compares this entity to another entity. If both objects implement
/// the <see cref="IIdentifiable"/> interface, then comparison is based
/// on each object's <see cref="IIdentity"/>. Otherwise, comparison
/// is based on reference equality (handled by <see cref="Object.Equals(object)"/>.)
/// </summary>
/// <param name="obj">The entity to compare to.</param>
/// <returns>A number reflecting the similarity of objects.
/// A value of zero indicates equality; all other values indicate inequality.
/// </returns>
public int CompareTo(object obj)
{
if (obj == null)
{
return(-1);
}
if (this == obj)
{
return(0);
}
IIdentifiable obj1 = this as IIdentifiable;
IIdentifiable obj2 = obj as IIdentifiable;
if (obj1 != null && obj2 != null)
{
return(obj1.GetIdentity().CompareTo(obj2.GetIdentity()));
}
return(1);
}