From ocorpening at acornsys.com  Wed Mar 16 12:08:42 2005
From: ocorpening at acornsys.com (Owen Corpening)
Date: Thu Mar 23 12:03:23 2006
Subject: [Eos-discuss] Need a HelloWorld simple cookbook example
Message-ID: <200503161710.j2GHA0IT023596@ares.cs.Virginia.EDU>

Here is my AspectJ HelloWorld thing, I need the equivalent stripped to the
barebones example in EOS, shouldn't be as difficult as a PHD dissertation,
one would hope this represents less than an hour's work (much less
actually), although it took me several days to come up with it for AspectJ,
I bought a book, but also got it instrumenting already built jars, working
within ant etc:

 

The steps:

 

C:\owen\HelloWorld>ajc com\howdy\*.java com\tracing\HelloAspect.aj
C:\owen\HelloWorld>java com.howdy.HelloWorld

2005-03-15 10:54:58,084 [main] INFO  trace - Entering
[com.howdy.HelloWorld.main]

2005-03-15 10:54:58,124 [main] INFO  trace - Entering
[com.howdy.Object1.<init>]

 

The classes that were instrumented:

Obect1.java:

 

package com.howdy;

public class Object1

{

      public Object1()

      {

            int i;

      }

}

 

HelloWorld.java:

 

package com.howdy;

 

public class HelloWorld

{

      public static void main(String[] args)

      {

            Object1 fred = new Object1();

      }

}

 

The aspect HelloAspect.aj: 

 

package com.tracing;

import org.apache.log4j.*;

import org.aspectj.lang.*;

 

public aspect HelloAspect

{

      Logger logger = Logger.getLogger("trace");

      

      HelloAspect()

      {

            logger.setLevel(Level.ALL);

      }

      

      pointcut traceMethods():(execution(* *.*(..))

                  || execution(*.new(..))) 

                  && !within(HelloAspect);

                  

      before():traceMethods()

      {

            if (logger.isEnabledFor(Level.INFO))

            {

                  Signature sig = thisJoinPointStaticPart.getSignature();

                  logger.log(Level.INFO,

                              "Entering ["

                              + sig.getDeclaringType().getName()

                              + "." 

                              + sig.getName() + "]");

            }

      }     

}

 

Log4j.properties:

 

log4j.rootLogger=DEBUG, A1

log4j.appender.A1=org.apache.log4j.ConsoleAppender

log4j.appender.A1.layout=org.apache.log4j.PatternLayout

 

# Print the date in ISO 8601 format

log4j.appender.A1.layout.ConversionPattern=%d [%t] %-5p %c - %m%n

 

# Print only messages of level WARN or above in the package com.foo.

log4j.logger.trace=INFO  

 

Here is the C#  equivalent I am starting with and want to add logging to in
similar fashion:

 

File Hello.cs:

 

using System;

 

namespace HelloWorld

{

      class Hello

      {

            static void Main(string[] args)

            {

                  Object1 obj = new Object1();

                  System.Console.WriteLine("Hello");

            }

      }

}

 

File Object1.cs:

 

using System;

 

namespace HelloWorld

{

      public class Object1

      {

            public Object1()

            {

                  int i;

            }

      }

}

 

C:\owen\HelloWorld.net\HelloWorld>csc Hello.cs Object1.cs Microsoft (R)
Visual C# .NET Compiler version 7.10.6001.4 for Microsoft (R) .NET Framework
version 1.1.4322 Copyright (C) Microsoft Corporation 2001-2002. All rights
reserved.

 

Object1.cs(9,8): warning CS0168: The variable 'i' is declared but never used

 

C:\owen\HelloWorld.net\HelloWorld>hello

Hello

 

C:\owen\HelloWorld.net\HelloWorld>

 

Thanks,

 

 

 

Thanks,

 

Owen Corpening

Acorn Systems

 

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From hr2j at cs.virginia.edu  Wed Mar 16 15:23:37 2005
From: hr2j at cs.virginia.edu (Hridesh Rajan)
Date: Thu Mar 23 12:03:23 2006
Subject: [Eos-discuss] Need a HelloWorld simple cookbook example
In-Reply-To: <200503161710.j2GHA0IT023596@ares.cs.Virginia.EDU>
Message-ID: <20050316202335.063DC201187E@guestrelay.stayonline.net>

Hi Owen,

I apologize for the delay, but we are attending AOSD 2005 as I speak. I am
including the HelloWorld example below. You should try it with the Eos 0.3
Beta that is available from the Eos web-page.

Rajan


	using System;	 

	namespace HelloWorld
	{
	      public class Hello
	      {
	            static void Main(string[] arguments)
	            {
	                  Object1 obj = new Object1();
	                  System.Console.WriteLine("Hello");
	            }
	      }

	      public class Object1
	      {
	            public Object1()
	            {
	                  int i;
	            }
	      }
	}

	public aspect HelloAspect
	{
	      // Logger declaration goes here

	      HelloAspect()
	      {
	            // Constructor for the logger goes here 
	      }	      

	      pointcut traceMethods():execution(any HelloWorld.any.any(..))
                          || initialization( HelloWorld.any.any(..))
	                  && !within(HelloAspect);
	                  

	      before():traceMethods()
	      {
                     // Your logging code goes here 
                     System.Console.WriteLine("Before hello");
	      }     
	}


From hr2j at cs.virginia.edu  Wed Mar 16 16:09:29 2005
From: hr2j at cs.virginia.edu (Hridesh Rajan)
Date: Thu Mar 23 12:03:23 2006
Subject: [Eos-discuss] Need a HelloWorld simple cookbook example
In-Reply-To: <200503162056.j2GKuO6H012404@ares.cs.Virginia.EDU>
Message-ID: <20050316210927.E9AB920118A0@guestrelay.stayonline.net>

Owen,

Thank you for your compliments. The objective of the Eos project is
simplicity :) We however don't have a solid documentation yet, and we need
to fix that problem.

I am attaching the complete helloworld code that includes sample batch file
to compile it. Please unzip it in the examples directory of Eos. It should
work without any problems.

For convenience, I have included both aspect and the class in one file, but
you can write them separately. The required extension is cs, just like
normal C# source files.

Rajan
 

> -----Original Message-----
> From: Owen Corpening [mailto:ocorpening@acornsys.com] 
> Sent: Wednesday, March 16, 2005 2:55 PM
> To: 'Hridesh Rajan'
> Subject: RE: [Eos-discuss] Need a HelloWorld simple cookbook example
> 
> Wow yours is the simplest I have seen!
> 
> I asked the very same request of Aspect#, AspectDNG, 
> Loom.NET, Weave.NET, still intending to ask AspectC# if no 
> response is sufficient.... your response is the best by far 
> so far - most said "it's too easy, we don't have time to do 
> that"..... which is pretty strange.
> 
> So a couple of details: is the below 2 files, HelloWorld.cs 
> and HelloAspect.aj? Or what file extension for the aspect, or 
> is it not a separate file?
> 
> The aspect, when entered into VS shows red wavies everywhere, 
> what command compiles it? Give me the steps to take the two 
> files and run them, like: 
> 
> 1) csc *.cs *.aj    
> 2) HelloWorld
> 
> Thanks,
>  
> Owen Corpening
> Acorn Systems
> 
> -----Original Message-----
> From: Hridesh Rajan [mailto:hr2j@cs.virginia.edu]
> Sent: Wednesday, March 16, 2005 2:24 PM
> To: 'Owen Corpening'; eos-discuss@cs.virginia.edu
> Subject: RE: [Eos-discuss] Need a HelloWorld simple cookbook example
> 
> Hi Owen,
> 
> I apologize for the delay, but we are attending AOSD 2005 as 
> I speak. I am including the HelloWorld example below. You 
> should try it with the Eos 0.3 Beta that is available from 
> the Eos web-page.
> 
> Rajan
> 
> 
> 	using System;	 
> 
> 	namespace HelloWorld
> 	{
> 	      public class Hello
> 	      {
> 	            static void Main(string[] arguments)
> 	            {
> 	                  Object1 obj = new Object1();
> 	                  System.Console.WriteLine("Hello");
> 	            }
> 	      }
> 
> 	      public class Object1
> 	      {
> 	            public Object1()
> 	            {
> 	                  int i;
> 	            }
> 	      }
> 	}
> 
> 	public aspect HelloAspect
> 	{
> 	      // Logger declaration goes here
> 
> 	      HelloAspect()
> 	      {
> 	            // Constructor for the logger goes here 
> 	      }	      
> 
> 	      pointcut traceMethods():execution(any 
> HelloWorld.any.any(..))
>                           || initialization( HelloWorld.any.any(..))
> 	                  && !within(HelloAspect);
> 	                  
> 
> 	      before():traceMethods()
> 	      {
>                      // Your logging code goes here 
>                      System.Console.WriteLine("Before hello");
> 	      }     
> 	}
> 
> 
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From hr2j at cs.virginia.edu  Tue Mar 22 14:35:00 2005
From: hr2j at cs.virginia.edu (Hridesh Rajan)
Date: Thu Mar 23 12:03:23 2006
Subject: [Eos-discuss] Visual Studio .NET Add-In for Eos !!!
Message-ID: <200503221935.j2MJZ4xR028051@ares.cs.Virginia.EDU>

 Hello Eos Users,

 I am glad to announce that Somkutas P?ter has just 
 published the first stable version of his VS.NET 
 Add-In for EOS. It is available for download 
 from http://ect.jate.hu. 

 I believe this plugin is a great attempt to enable
 tool support for Eos. I am sure Peter could use some
 feedback from the Eos community. I would like to 
 personally thank Peter for taking the efforts to 
 build this Add-In.

 Best,

 Rajan



From hridesh at gmail.com  Tue Mar 22 14:35:43 2005
From: hridesh at gmail.com (Hridesh Rajan)
Date: Thu Mar 23 12:03:23 2006
Subject: [Eos-discuss] Visual Studio .NET Add-In for Eos !!!
Message-ID: <4240738e.08081f46.19b0.1a14@mx.gmail.com>

 Hello Eos Users,

 I am glad to announce that Somkutas P?ter has just 
 published the first stable version of his VS.NET 
 Add-In for EOS. It is available for download 
 from http://ect.jate.hu. 

 I believe this plugin is a great attempt to enable
 tool support for Eos. I am sure Peter could use some
 feedback from the Eos community. I would like to 
 personally thank Peter for taking the efforts to 
 build this Add-In.

 Best,

 Rajan