using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var item = new SomeItem

        {

            Dimensions = Dimensions.Two,

            Color = Color.Green

        };

        var operations = _operationConditions

            .Where(pair => pair.Value.All(condition => condition(item)))

            .Select(pair => pair.Key)

            .ToList();

        foreach (var op in operations) op(item);

    }

    private static Dictionary<Action<SomeItem>, Func<SomeItem, bool>[]> _operationConditions =

        new Dictionary<Action<SomeItem>, Func<SomeItem, bool>[]>

    {

        { Do.Rotate(45), new [] { If.TwoDim, If.Green } },

        { Do.Delete(), new [] { If.ThreeDim, If.Red } }

    };

}

​

class SomeItem

{

    public Color Color { get; set; }

    public Dimensions Dimensions { get; set; }

    public void Rotate(double degrees)

    {

        Console.WriteLine("I was rotated {0} degrees", degrees);

    }

    public void Delete()

    {

        Console.WriteLine("I was deleted :(");

    }

}

​

// Extension class for SomeItem

static class If

{

    public static bool TwoDim(this SomeItem item)

        => item.Dimensions == Dimensions.Two;

    public static bool ThreeDim(this SomeItem item)

        => item.Dimensions == Dimensions.Three;

    public static bool Green(this SomeItem item)

        => item.Color == Color.Green;

    public static bool Red(this SomeItem item)

        => item.Color == Color.Red;

}

​

static class Do

{

    public static Action<SomeItem> Rotate(double degrees)

        => item => item.Rotate(degrees);

    public static Action<SomeItem> Delete()

        => item => item.Delete();

}

​

enum Color

{

    Green,

    Red

}

​

enum Dimensions

{

    Two,

    Three

}