private static void Mark(ComparisonStatus comparisonStatus, object other)
{
var markable = other as Markable;
if (markable == null) return;
markable.ComparisonStatus.CopyFrom(comparisonStatus);
}
private void RecordUnknowns(ComparisonStatus other)
{
if (other.state.Equals(Tristate.DontKnow))
childStatuses.Add(other);
}
public void CopyFrom(ComparisonStatus comparisonStatus)
{
state = comparisonStatus.state;
if(childStatuses == null) throw new Exception("we are screwed");
childStatuses.AddRange(comparisonStatus.childStatuses);
}
internal void And(ComparisonStatus other)
{
if (Tristate.Eager.Equals(State)) return;
if(Tristate.DontKnow.Equals(other.State)) return;
if (state.Equals(Tristate.DontKnow))
State = other.State;
else if (state.Equals(Tristate.Lazy) && other.State.Equals(Tristate.Lazy))
State = Tristate.Lazy;
else if (!other.state.Equals(Tristate.DontKnow))
State = Tristate.Eager;
}
public ComparisonStatus Combine(ComparisonStatus other)
{
And(other);
RecordUnknowns(other);
return this;
}