sharee.bike-App/TINKLib/Model/Bikes/IBikeCollection.cs

using System.Collections.Generic;

namespace TINK.Model.Bike
{
    public interface IBikeDictionary<T> : IReadOnlyCollection<T>
    {
        /// <summary>
        /// Gets a bike by its id.  
        /// </summary>
        /// <param name="p_iId"></param>
        /// <returns></returns>
        T GetById(int p_iId);

        /// <summary>
        /// Deteermines whether a bike by given key exists.
        /// </summary>
        /// <param name="p_strKey">Key to check.</param>
        /// <returns>True if bike exists.</returns>
        bool ContainsKey(int p_iId);
    }
    public interface IBikeDictionaryMutable<T> : IBikeDictionary<T>
    {
        /// <summary>
        /// Removes a bike by its id.
        /// </summary>
        /// <param name="p_iId">Id of bike to be removed.</param>
        void RemoveById(int p_iId);

        /// <summary>
        /// Adds a new element to dictinary.
        /// </summary>
        /// <param name="p_oNewElement">New element to add.</param>
        void Add(T p_oNewElement);
    }
}