/// <summary>
/// Determine if this instance of PQ semantically equals another
/// instance of a data type.
/// </summary>
public override BL SemanticEquals(IAny other)
{
// Base equality
var baseEq = base.SemanticEquals(other);
if (!(bool)baseEq)
{
return(baseEq);
}
// Values are equal?
PQ pqOther = other as PQ;
if (pqOther == null)
{
return(false);
}
else if (this.Value.HasValue && pqOther.Value.HasValue)
{
return(pqOther.Convert(this.Unit).Value.Value == this.Value.Value);
}
else if (this.UncertainRange != null && !this.UncertainRange.IsNull &&
pqOther.UncertainRange != null && !pqOther.UncertainRange.IsNull)
{
return(this.UncertainRange.Equals(pqOther.UncertainRange));
}
return(false);
}
/// <summary>
/// Compares this PQ to another PQ
/// </summary>
/// <exception cref="T:System.ArgumentException">When the units of both PQ instances do not match</exception>
public int CompareTo(PQ other)
{
if (other == null || other.IsNull)
{
return(1);
}
else if (this.IsNull && !other.IsNull)
{
return(-1);
}
else if (this.Value.HasValue && !other.Value.HasValue)
{
return(1);
}
else if (other.Value.HasValue && !this.Value.HasValue)
{
return(-1);
}
else if (!other.Value.HasValue && !this.Value.HasValue)
{
return(0);
}
else if (!this.IsUnitComparable(other.Unit))
{
throw new ArgumentException("Units must match to compare PQ");
}
else
{
return(this.Value.Value.CompareTo(other.Convert(this.Unit).Value.Value));
}
}