public int Compare(Member a, Member b)
{
var @as = a.Status;
var bs = b.Status;
if (@as == bs)
{
return(Ordering.Compare(a, b));
}
if (@as == MemberStatus.Down)
{
return(1);
}
if (@bs == MemberStatus.Down)
{
return(-1);
}
if (@as == MemberStatus.Exiting)
{
return(1);
}
if (@bs == MemberStatus.Exiting)
{
return(-1);
}
if (@as == MemberStatus.Joining)
{
return(1);
}
if (@bs == MemberStatus.Joining)
{
return(-1);
}
return(Ordering.Compare(a, b));
}
public void TestTypeOrdering()
{
ParameterExpression x = Expression.Parameter(typeof(int), "x");
ConstantExpression c = Expression.Constant(2);
BinaryExpression sum = Expression.Add(x, c);
BinaryExpression product = Expression.Multiply(x, c);
Expression cos = Trigonometry.Cosine(x);
Expression sin = Trigonometry.Sine(x);
Assert.IsTrue(Ordering.Compare(c, x) < 0, "2 < x");
Assert.IsTrue(Ordering.Compare(x, c) > 0, "x > 2");
Assert.IsTrue(Ordering.Compare(c, sum) < 0, "2 < (2+x)");
Assert.IsTrue(Ordering.Compare(sum, c) > 0, "(2+x) > 2");
Assert.IsTrue(Ordering.Compare(x, sum) < 0, "x < (2+x)");
Assert.IsTrue(Ordering.Compare(sum, x) > 0, "(2+x) > x");
Assert.IsTrue(Ordering.Compare(x, sin) < 0, "x < sin(x)");
Assert.IsTrue(Ordering.Compare(sin, x) > 0, "sin(x) > x");
Assert.IsTrue(Ordering.Compare(product, sum) < 0, "2*x < (2+x)");
Assert.IsTrue(Ordering.Compare(sum, product) > 0, "(2+x) > 2*x");
Assert.IsTrue(Ordering.Compare(sum, sum) == 0, "(2+x) = (2+x)");
Assert.IsTrue(Ordering.Compare(product, product) == 0, "2*x = 2*x");
Assert.IsTrue(Ordering.Compare(product, sin) < 0, "2*x < sin(x)");
Assert.IsTrue(Ordering.Compare(sin, product) > 0, "sin(x) > 2*x");
Assert.IsTrue(Ordering.Compare(cos, sin) < 0, "cos(x) < sin(x)");
Assert.IsTrue(Ordering.Compare(sin, cos) > 0, "sin(x) > cos(x)");
}
public void TestParameterOrdering()
{
ParameterExpression a = Expression.Parameter(typeof(int), "a");
ParameterExpression b = Expression.Parameter(typeof(int), "b");
ParameterExpression c = Expression.Parameter(typeof(int), "c");
ParameterExpression B = Expression.Parameter(typeof(int), "B");
ParameterExpression C = Expression.Parameter(typeof(int), "C");
Assert.IsTrue(Ordering.Compare(a, b) < 0, "a < b");
Assert.IsTrue(Ordering.Compare(b, a) > 0, "b > a");
Assert.IsTrue(Ordering.Compare(a, c) < 0, "a < c");
Assert.IsTrue(Ordering.Compare(a, a) == 0, "a = a");
Assert.IsTrue(Ordering.Compare(c, c) == 0, "c = c");
Assert.IsTrue(Ordering.Compare(B, C) < 0, "B < C");
Assert.IsTrue(Ordering.Compare(C, B) > 0, "C > B");
Assert.IsTrue(Ordering.Compare(C, C) == 0, "C = C");
Assert.IsTrue(Ordering.Compare(b, B) > 0, "b > B");
Assert.IsTrue(Ordering.Compare(c, C) > 0, "c > C");
Assert.IsTrue(Ordering.Compare(c, B) > 0, "c > B");
}
public int CompareTo(Member other)
{
return(Ordering.Compare(this, other));
}
/// <inheritdoc cref="IComparable.CompareTo"/> public int CompareTo(Member other) => Ordering.Compare(this, other);