DP44/Common/DTS.Common.Utilities/ExceptionalList.cs

/*
 * ExceptionalList.cs
 * 
 * Copyright © 2009
 * Diversified Technical Systems, Inc.
 * All Rights Reserved
 */

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;

namespace DTS.Common.Utilities
{
    /// <summary>
    /// A version of <see cref="T:List"/> that provides its own exception type.
    /// </summary>
    /// 
    /// <typeparam name="T">
    /// The type of object contained by this list.
    /// </typeparam>
    /// 
    /// <remarks>
    /// Sample usage:
    ///   public class A : ExceptionalList &lt;int&gt;
    ///   {
    ///      public void ScrewItUp( )
    ///      {
    ///         private bool error = true;
    ///         if ( error ) throw new A.Exception( "Class A-specific screwup." );
    ///      }
    ///   }
    /// 
    ///   ...
    /// 
    ///   try
    ///   {
    ///     A.ScrewItUp( );
    ///     B.ScrewItUp( );
    ///     C.ScrewItUp( );
    ///   }
    ///   catch ( A.Exception ex )
    ///   {
    ///      // Can pick A's exceptions out of a crowd, or not and just treat it
    ///      // polymorphically as a System.Exception.
    ///   }
    /// </remarks>
    /// 
    [global::System.Serializable]
    public class ExceptionalList<T> : List<T>
    {
        /// <summary>
        /// Initialize an instance of the ExceptionalList class.
        /// </summary>
        public ExceptionalList()
            : base()
        {
        }

        /// <summary>
        /// Initialize an instance of the ExceptionalList class.
        /// </summary>
        /// 
        /// <param name="capacity">
        /// The number of elements that the list can initially store.
        /// </param>
        /// 
        public ExceptionalList(int capacity)
            : base(capacity)
        {
        }

        /// <summary>
        /// Initialize an instance of the ExceptionalList class.
        /// </summary>
        /// 
        /// <param name="collection">
        /// The collection whose elements are copied to the new list.
        /// </param>
        /// 
        public ExceptionalList(IEnumerable<T> collection)
            : base(collection)
        {
        }

        /// <summary>
        /// A representation of the DerivedClass.Exception class.
        /// </summary>
        public class Exception : ApplicationException
        {
            public Exception() { }
            public Exception(string msg) : base(msg) { }
            public Exception(string msg, System.Exception innerEx) : base(msg, innerEx) { }
            protected Exception(
                System.Runtime.Serialization.SerializationInfo info,
                System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
        }
    }
}