Excepcoes6.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading;
using log4net;

namespace DesignByContractProgramming
{
    public class Excepcoes6
    {
        private static readonly ILog log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        private static Random rd = new Random(new object().GetHashCode());
        private static bool TCRAutoDesligado = Properties.Settings.Default.testes2;

        public static bool TCRAuto(Action FuncaoDefinidaExteriormente, string idStrOperacao2 = @"", [System.Runtime.CompilerServices.CallerMemberName] string memberName = "", [CallerFilePath] string filePath = "", [CallerLineNumber] int lineNumber = 0)
        {
            return TCTemplate(FuncaoDefinidaExteriormente, 10, idStrOperacao2, memberName, filePath, lineNumber);
        }

        public static bool Precondicao(Action FuncaoDefinidaExteriormente, string idStrOperacao2 = @"", [System.Runtime.CompilerServices.CallerMemberName] string memberName = "", [CallerFilePath] string filePath = "", [CallerLineNumber] int lineNumber = 0)
        {
            return TCTemplate(FuncaoDefinidaExteriormente, 1, idStrOperacao2, memberName, filePath, lineNumber);
        }

        public static bool Poscondicao(Action FuncaoDefinidaExteriormente, string idStrOperacao2 = @"", [System.Runtime.CompilerServices.CallerMemberName] string memberName = "", [CallerFilePath] string filePath = "", [CallerLineNumber] int lineNumber = 0)
        {
            return TCTemplate(FuncaoDefinidaExteriormente, 1, idStrOperacao2, memberName, filePath, lineNumber);
        }


        public static bool TCOnce(Action FuncaoDefinidaExteriormente, string idStrOperacao2 = @"", [System.Runtime.CompilerServices.CallerMemberName] string memberName = "", [CallerFilePath] string filePath = "", [CallerLineNumber] int lineNumber = 0)
        {
            return TCTemplate(FuncaoDefinidaExteriormente, 1, idStrOperacao2, memberName, filePath, lineNumber);
        }


        public static bool TCTemplate(Action FuncaoDefinidaExteriormente, int numTentativasRest, string idStrOperacao2, string memberName, string filePath, int lineNumber)
        {
            bool sucesso = false;
            int testesDividor = 1000;

            if (TCRAutoDesligado)
            {
                FuncaoDefinidaExteriormente();
                sucesso = true;
            }
            else
            {
                string idStrOperacao1 = Path.GetFileName(filePath) + "- " + memberName + "- " + lineNumber;
                string idStrOperacao3 = "";
                if (String.IsNullOrWhiteSpace(idStrOperacao2))
                {
                    idStrOperacao3 = idStrOperacao1;
                }
                else
                {
                    idStrOperacao3 = idStrOperacao1 + ", DESC: " + idStrOperacao2;
                }

                Exception ex2 = null;
                while (sucesso == false && numTentativasRest-- > 0)
                {
                    try
                    {
                        FuncaoDefinidaExteriormente();
                        sucesso = true;
                    }
                    catch (Exception ex1)
                    {
                        if (numTentativasRest > 0)
                        {
                            log.Warn("WARN: " + idStrOperacao3 + "falhou, a tentar mais " + numTentativasRest + "vezes.");
                            System.Threading.Thread.Sleep(rd.Next(1000 / testesDividor, 10000 / testesDividor));
                        }
                        else
                        {
                            ex2 = ex1;
                        }
                    }
                }
                if (sucesso == false)
                {
                    log.Error(memberName + @":" + idStrOperacao3 + @" falhou: A DESISTIR");
                    if (ex2 == null)
                    {
                        log.Error(memberName + @":" + idStrOperacao3 + @" falhou mas sem excepção (??).");
                    }
                    else
                    {
                        log.Error(memberName + @":" + @"Data:");
                        log.Error(ex2.Data); log.Error(@":Data EOF");
                        log.Error(memberName + @":" + @"HResult:");
                        log.Error(ex2.HResult); log.Error(@":HResult EOF");
                        log.Error(memberName + @":" + @"InnerException:");
                        log.Error(ex2.InnerException); log.Error(@":InnerException EOF");
                        log.Error(memberName + @":" + @"Message:");
                        log.Error(ex2.Message); log.Error(@":Message EOF");
                        log.Error(memberName + @":" + @"Source:");
                        log.Error(ex2.Source); log.Error(@":Source EOF");
                        log.Error(memberName + @":" + @"StackTrace:");
                        log.Error(ex2.StackTrace); log.Error(@":StackTrace EOF");
                        log.Error(memberName + @":" + @"TargetSite:");
                        log.Error(ex2.TargetSite); log.Error(@":TargetSite EOF");
                        log.Error(memberName + @":" + @"ToString:");
                        log.Error(ex2.ToString()); log.Error(@":ToString EOF");
                        log.Error(@":" + memberName + " EOF");
                    }
                }
            }

            return sucesso;
        }
    }
}