/// <summary>
/// Compare two <see cref="IChemObject"/> classes and return the difference as an <see cref="IDifference"/>.
/// </summary>
/// <param name="first">the first of the two classes to compare</param>
/// <param name="second">the second of the two classes to compare</param>
/// <returns>an <see cref="IDifference"/> representation of the difference between the first and second <see cref="IChemObject"/>.</returns>
public static IDifference Difference(IChemObject first, IChemObject second)
{
if (!(first is IAtomType && second is IAtomType))
{
return(null);
}
var firstElem = (IAtomType)first;
var secondElem = (IAtomType)second;
var totalDiff = new ChemObjectDifference("AtomTypeDiff");
totalDiff.AddChild(StringDifference.Construct("N", firstElem.AtomTypeName, secondElem.AtomTypeName));
totalDiff.AddChild(BondOrderDifference.Construct("MBO", firstElem.MaxBondOrder,
secondElem.MaxBondOrder));
totalDiff
.AddChild(DoubleDifference.Construct("BOS", firstElem.BondOrderSum, secondElem.BondOrderSum));
totalDiff
.AddChild(IntegerDifference.Construct("FC", firstElem.FormalCharge, secondElem.FormalCharge));
totalDiff.AddChild(AtomTypeHybridizationDifference.Construct("H", firstElem.Hybridization,
secondElem.Hybridization));
totalDiff.AddChild(IntegerDifference.Construct("NC", firstElem.FormalNeighbourCount,
secondElem.FormalNeighbourCount));
totalDiff.AddChild(DoubleDifference.Construct("CR", firstElem.CovalentRadius,
secondElem.CovalentRadius));
totalDiff.AddChild(IntegerDifference.Construct("V", firstElem.Valency, secondElem.Valency));
totalDiff.AddChild(IsotopeDiff.Difference(first, second));
if (totalDiff.ChildCount() > 0)
{
return(totalDiff);
}
else
{
return(null);
}
}
/// <summary>
/// Compare two <see cref="IChemObject"/> classes and return the difference as an <see cref="IDifference"/>.
/// </summary>
/// <param name="first">the first of the two classes to compare</param>
/// <param name="second">the second of the two classes to compare</param>
/// <returns>an <see cref="IDifference"/> representation of the difference between the first and second <see cref="IChemObject"/>.</returns>
public static IDifference Difference(IChemObject first, IChemObject second)
{
if (!(first is IBond && second is IBond))
{
return(null);
}
IBond firstB = (IBond)first;
IBond secondB = (IBond)second;
IDifferenceList totalDiff = new ChemObjectDifference("BondDiff");
totalDiff.AddChild(BondOrderDifference.Construct("order", firstB.Order, secondB.Order));
totalDiff.AddChild(IntegerDifference.Construct("atomCount", firstB.Atoms.Count, secondB.Atoms.Count));
if (firstB.Atoms.Count == secondB.Atoms.Count)
{
totalDiff.AddChild(AtomDiff.Difference(firstB.Begin, secondB.Begin));
totalDiff.AddChild(AtomDiff.Difference(firstB.End, secondB.End));
for (int i = 2; i < firstB.Atoms.Count; i++)
{
totalDiff.AddChild(AtomDiff.Difference(firstB.Atoms[i], secondB.Atoms[i]));
}
}
totalDiff.AddChild(ElectronContainerDiff.Difference(first, second));
if (totalDiff.ChildCount() > 0)
{
return(totalDiff);
}
else
{
return(null);
}
}
