/// <summary>
/// Implementation of IEquatable
/// </summary>
/// <param name="other">The other IFingerprint object to compare against</param>
/// <returns>true if 2 objects are fully equivalent</returns>
public bool Equals(IFingerprint other)
{
if (other == null)
{
return(false);
}
// Our check only works for ScanResultFingerprint objects
ScanResultFingerprint typedOther = other as ScanResultFingerprint;
if (typedOther == null)
{
return(false);
}
if (TypedCompareTo(typedOther) != 0)
{
return(false);
}
// Do the expensive check last!
for (int loop = 0; loop < Contributions.Count; loop++)
{
if (!Contributions[loop].Equals(other.Contributions[loop]))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Strongly typed version of CompareTo. Used by both CompareTo and Equals
/// </summary>
/// <param name="other">The other object to consider for comparison</param>
/// <returns>-1: this is before other
/// 0: this is in same position as other
/// 1: this is after other</returns>
private int TypedCompareTo(ScanResultFingerprint other)
{
int hash = GetHashCode();
int otherHash = other.GetHashCode();
if (Contributions.Count == other.Contributions.Count)
{
return(hash.CompareTo(otherHash));
}
return(Contributions.Count.CompareTo(other.Contributions.Count));
}
/// <summary>
/// Implementation of IComparable
/// </summary>
/// <param name="other">The other object to consider for comparison</param>
/// <returns>-1: this is before other
/// 0: this is in same position as other
/// 1: this is after other</returns>
public int CompareTo(IFingerprint other)
{
other.ArgumentIsNotNull(nameof(other));
ScanResultFingerprint typedOther = other as ScanResultFingerprint;
if (typedOther == null)
{
throw new InvalidOperationException("This operation is only supported on ScanResultFingerprint objects");
}
return(TypedCompareTo(typedOther));
}