private bool Equals(BinaryRelationship other)
{
if (other == null ||
GetType() != other.GetType())
{
return false;
}
return LeftOperand.Equals(other.LeftOperand) && RightOperand.Equals(other.RightOperand);
}
protected bool AreOperandsMatching(BinaryRelationship rel2)
{
return LeftOperand.Equals(rel2.LeftOperand) && RightOperand.Equals(rel2.RightOperand) ||
RightOperand.Equals(rel2.LeftOperand) && LeftOperand.Equals(rel2.RightOperand);
}