RSCG – RSCG_Decorator
RSCG – RSCG_Decorator
| name | RSCG_Decorator |
| nuget | https://www.nuget.org/packages/RSCG_Decorator/ |
| link | https://github.com/ignatandrei/RSCG_Decorator |
| author | Andrei Ignat |
Intercept methods – start, stop,exception
This is how you can use RSCG_Decorator .
The code that you start with is
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<IsPackable>false</IsPackable>
</PropertyGroup>
<PropertyGroup>
<TreatWarningsAsErrors>True</TreatWarningsAsErrors>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
<PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
<PackageReference Include="Microsoft.Extensions.Logging.Console" Version="7.0.0" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="RSCG_Decorator" Version="7.2023.930.2116" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
<PackageReference Include="RSCG_DecoratorCommon" Version="7.2023.930.2116" />
</ItemGroup>
<PropertyGroup>
<EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
<CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)\GX</CompilerGeneratedFilesOutputPath>
</PropertyGroup>
</Project>
The code that you will use is
var serviceCollection = new ServiceCollection()
.AddLogging(builder =>
builder.AddSimpleConsole(options =>
{
options.IncludeScopes = true;
options.SingleLine = true;
options.TimestampFormat = "HH:mm:ss ";
}))
.AddTransient<IPerson, Person>();
//register here the decorator
serviceCollection = serviceCollection
.AddTransient<Person, Person>()
.AddTransient<IPerson, Person_Decorator>();
var serviceProvider=serviceCollection.BuildServiceProvider();
ArgumentNullException.ThrowIfNull(serviceProvider);
var logger = serviceProvider.GetRequiredService<ILoggerFactory>()
.CreateLogger<Program>();
//using (logger.BeginScope("[scope is enabled]"))
//{
// logger.LogInformation("Hello World!");
//}
logger.LogInformation("Starting app!");
var data = serviceProvider.GetRequiredService<IPerson>();
data.FirstName = "Andrei";
data.LastName = "Ignat";
Console.WriteLine(data.GetType().FullName);
Console.WriteLine( data.FullName("|"));
try
{
await data.SaveId(-100);
}
catch(Exception ex)
{
logger.LogError(ex, "in the main program");
}
//Console.ReadLine();
public partial class Program
{
}
using RSCG_DecoratorCommon;
namespace RSCG_DecoratorTestConsole;
public partial class Person : IDecoratorMethodV1
{
public void EndMethod(MethodRecognizer recognizer)
{
logger.LogInformation("end "+recognizer.UniqueId);
}
public void ExceptionMethod(Exception ex, MethodRecognizer recognizer)
{
logger.LogError(ex, "exception on " + recognizer.UniqueId+ " Value Parameters:" + recognizer.ValueTypeParametersString);
}
public void StartMethod(MethodRecognizer recognizer)
{
logger.LogInformation("start " + recognizer.UniqueId + " Value Parameters:"+recognizer.ValueTypeParametersString);
}
}
using Microsoft.Extensions.Logging;
using System.Text;
namespace RSCG_DecoratorTestConsole;
public partial class Person : IPerson
{
internal readonly ILogger<Person> logger;
public Person(ILogger<Person> logger)
{
this.logger = logger;
}
public string? FirstName { get; set; }
public string? LastName { get; set; }
public string FullName(string separator=" ")
{
logger.LogInformation("from original method");
return FirstName+separator+LastName;
}
public void DisplayNameOnConsole()
{
Console.WriteLine(FullName());
}
public async Task<string> GetName()
{
await Task.Delay(1000);
return FirstName??"";
}
public Task<string> GetFullName()
{
return Task.FromResult( FullName());
}
public Task SaveId(int id)
{
if (id < 0)
{
throw new ArgumentException("this is an error because is <0 ");
}
return Task.CompletedTask;
}
}
The code that is generated is
// <auto-generated/>
#nullable enable
namespace RSCG_Decorator.DecoratorRecognizers;
internal interface IDecoratorMethodV1
{
void StartMethod(MethodRecognizer recognizer);
void ExceptionMethod(System.Exception ex, MethodRecognizer recognizer);
void EndMethod(MethodRecognizer recognizer);
}
// <auto-generated/>
#nullable enable
namespace RSCG_Decorator.DecoratorRecognizers;
internal struct MethodRecognizer
{
public MethodRecognizer(string nameClass, string nameMethod)
{
NameClass = nameClass;
NameMethod = nameMethod;
}
public string? FileName { get; set; }
public int line { get; set; }
public string NameClass { get; }
public string NameMethod { get; }
public string UniqueId
{
get
{
return $"Class:{NameClass} Method:{NameMethod} File:{FileName} Line:{line}";
}
}
}
//generated by RSCG_Decorator, version 7.2023.930.2116
namespace RSCG_DecoratorTestConsole {
partial class Person_Decorator :RSCG_DecoratorTestConsole.IPerson {
private Person original;
public Person_Decorator (Person original ){
this.original=original;
}
//now decorate methods : 5
public string? FirstName {
get{
return original.FirstName;
}
set{
original.FirstName=value;
}
}
public string? LastName {
get{
return original.LastName;
}
set{
original.LastName=value;
}
}
/*
FullName
*/
public string FullName(string separator = " ")
{
var FullName_14 =new RSCG_DecoratorCommon.MethodRecognizer("Person","FullName");
FullName_14.FileName="C:\\gth\\RSCG_Examples\\v2\\rscg_examples\\Decorator\\src\\RSCG_DecoratorTestConsole\\Person.cs";
FullName_14.Line=14;
FullName_14.ValueTypeParameters.Add("separator", separator);
using var mrUtils= new RSCG_DecoratorCommon.MRUtils(FullName_14, original);
try{
return original.FullName(separator);
}
catch(Exception ex){
mrUtils.SendException(ex);
throw;
}
}
/*
DisplayNameOnConsole
*/
public void DisplayNameOnConsole()
{
var DisplayNameOnConsole_19 =new RSCG_DecoratorCommon.MethodRecognizer("Person","DisplayNameOnConsole");
DisplayNameOnConsole_19.FileName="C:\\gth\\RSCG_Examples\\v2\\rscg_examples\\Decorator\\src\\RSCG_DecoratorTestConsole\\Person.cs";
DisplayNameOnConsole_19.Line=19;
using var mrUtils= new RSCG_DecoratorCommon.MRUtils(DisplayNameOnConsole_19, original);
try{
original.DisplayNameOnConsole();
}
catch(Exception ex){
mrUtils.SendException(ex);
throw;
}
}
/*
GetName
*/
public async System.Threading.Tasks.Task<string> GetName()
{
var GetName_23 =new RSCG_DecoratorCommon.MethodRecognizer("Person","GetName");
GetName_23.FileName="C:\\gth\\RSCG_Examples\\v2\\rscg_examples\\Decorator\\src\\RSCG_DecoratorTestConsole\\Person.cs";
GetName_23.Line=23;
using var mrUtils= new RSCG_DecoratorCommon.MRUtils(GetName_23, original);
try{
return await original.GetName();
}
catch(Exception ex){
mrUtils.SendException(ex);
throw;
}
}
/*
GetFullName
*/
public async System.Threading.Tasks.Task<string> GetFullName()
{
var GetFullName_28 =new RSCG_DecoratorCommon.MethodRecognizer("Person","GetFullName");
GetFullName_28.FileName="C:\\gth\\RSCG_Examples\\v2\\rscg_examples\\Decorator\\src\\RSCG_DecoratorTestConsole\\Person.cs";
GetFullName_28.Line=28;
using var mrUtils= new RSCG_DecoratorCommon.MRUtils(GetFullName_28, original);
try{
return await original.GetFullName();
}
catch(Exception ex){
mrUtils.SendException(ex);
throw;
}
}
/*
SaveId
*/
public async System.Threading.Tasks.Task SaveId(int id)
{
var SaveId_32 =new RSCG_DecoratorCommon.MethodRecognizer("Person","SaveId");
SaveId_32.FileName="C:\\gth\\RSCG_Examples\\v2\\rscg_examples\\Decorator\\src\\RSCG_DecoratorTestConsole\\Person.cs";
SaveId_32.Line=32;
SaveId_32.ValueTypeParameters.Add("id", id);
using var mrUtils= new RSCG_DecoratorCommon.MRUtils(SaveId_32, original);
try{
await original.SaveId(id);
}
catch(Exception ex){
mrUtils.SendException(ex);
throw;
}
}
}
}
Code and pdf at
https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_Decorator
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