PlumberUltimateAds/Assets/IronSource/Scripts/WaterfallConfiguration.cs

using System.Collections.Generic;
using System;

/// <summary>
/// Configuration class which allows users to customize or filter a Waterfall.
/// </summary>
public class WaterfallConfiguration
{
    readonly double? ceiling;
    readonly double? floor;

    /// <summary>
    /// Gets the ceiling value.
    /// </summary>
    public double? Ceiling { get { return ceiling; } }
    
    /// <summary>
    /// Gets the floor value.
    /// </summary>
    public double? Floor { get { return floor; } }
    
    /// <summary>
    /// Initializes a new instance of the WaterfallConfiguration class.
    /// </summary>
    /// <param name="ceiling">The ceiling value.</param>
    /// <param name="floor">The floor value.</param>
    private WaterfallConfiguration(double? ceiling, double? floor)
    {
        this.ceiling = ceiling;
        this.floor = floor;
    }

    /// <summary>
    /// Gets a builder for creating instances of WaterfallConfiguration.
    /// </summary>
    /// <returns>The WaterfallConfigurationBuilder.</returns>
    public static WaterfallConfigurationBuilder Builder()
    {
        return new WaterfallConfigurationBuilder();
    }

    /// <summary>
    /// Creates an empty instance of WaterfallConfiguration.
    /// </summary>
    /// <returns>The empty WaterfallConfiguration.</returns>
    public static WaterfallConfiguration Empty()
    {
        return new WaterfallConfiguration(double.NaN, double.NaN);
    }
    
    /// <summary>
    /// Builder class which to create a WaterfallConfiguration.
    /// </summary>    
    public class WaterfallConfigurationBuilder
    {
        double? ceiling;
        double? floor;

        internal WaterfallConfigurationBuilder() {}

        /// <summary>
        /// Sets the ceiling value.
        /// </summary>
        /// <param name="ceiling">The ceiling value.</param>
        /// <returns>The WaterfallConfigurationBuilder.</returns>
        public WaterfallConfigurationBuilder SetCeiling(double ceiling)
        {
            this.ceiling = ceiling;
            return this;
        }

        /// <summary>
        /// Sets the floor value.
        /// </summary>
        /// <param name="floor">The floor value.</param>
        /// <returns>The WaterfallConfigurationBuilder.</returns>
        public WaterfallConfigurationBuilder SetFloor(double floor)
        {
            this.floor = floor;
            return this;
        }

        /// <summary>
        /// Builds an instance of WaterfallConfiguration based on the configured values.
        /// </summary>
        /// <returns>The created WaterfallConfiguration.</returns>
        public WaterfallConfiguration Build()
        {
            return new WaterfallConfiguration(ceiling, floor);
        }
    }
}