Question on Runtime Weaving Example

[Ganesan, Kumaravel (HP STSD-Labs)]

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Hi .

 

Greetings.

 

I am new to AspectWerkz.

 

I am trying with following example(in Eclipse , without Plugin) :

 

 

Target class:

 

public class Target {

 

    public void step1() {

        System.out.println("  --> invoking step1");

        step2();

    }

 

    public void step2() {

        System.out.println("  --> invoking step2");

    }

}

 

Aspect Class :

 

public class Aspect_Tenant1 {

 

        /**

     * @Expression execution(void examples.cflow.Target.step1())

     */

    Pointcut myDynamicAspect;

 

 

 

    /**

     * @Before myDynamicAspect

     */

    public Object myAdvice(final JoinPoint joinPoint) throws Throwable {

        Object result = joinPoint.proceed();

        System.out.println("  --> ADVICE : invoking advice triggered by step3 for Tenant 2");

        return result;

    }

 

AOP.XML in META-INF folder under src:

 

<!DOCTYPE aspectwerkz PUBLIC

    "-//AspectWerkz//DTD//EN"

    "http://aspectwerkz.codehaus.org/dtd/aspectwerkz2.dtd">

<aspectwerkz>

    <system id="samples">

        <package name="examples">

            <aspect class="cflow.Aspect_Tenant1"></aspect>

        </package>

    </system>

</aspectwerkz>

 

 

 

 

I set JVM argument as “-javaagent:C:\aspectwerkz-2.0\lib\aspectwerkz-jdk5-2.0.jar”

 

Then I am I try to run the following code :

public class Weaver_Tenant2 {

        public static void main(String[] args) {

 

       

             Target t = new Target();

            

             DeploymentHandle handle1 = Deployer.deploy(Aspect_Tenant1.class);

       

        t.step1();

 

                }

}

 

RESULT :

 

 

AspectWerkz - INFO - Pre-processor org.codehaus.aspectwerkz.transform.AspectWerkzPreProcessor loaded and initialized

Deployer::INFO - deploying aspect [examples.cflow.Aspect_Tenant2] in class loader [sun.misc.Launcher$AppClassLoader@92e78c]

  --> invoking step1

  --> invoking step2

 

 

Here advice is not weaved.

 

Am I doing any mistake ? or am I missing any  settings…?

 

Please help me to run this…

 

 

Thakns lot.

 

 

Thanks and Regards,

Kumaravel Ganesan

HP R&D.

 

 

 

 

[Alexandre Vasseur]

Hi
I advise you to use AspectJ instead since merged AspectWerkz with it.
Alex

On Thu, Jul 24, 2008 at 8:22 PM, Ganesan, Kumaravel (HP STSD-Labs)
<vel@...> wrote:

> Hi .
>
> Greetings.
>
> I am new to AspectWerkz.
>
> I am trying with following example(in Eclipse , without Plugin) :
>
>
> Target class:
>
> public class Target {
>
>     public void step1() {
>         System.out.println("  --> invoking step1");
>         step2();
>     }
>
>     public void step2() {
>         System.out.println("  --> invoking step2");
>     }
> }
>
> Aspect Class :
>
> public class Aspect_Tenant1 {
>
>         /**
>      * @Expression execution(void examples.cflow.Target.step1())
>      */
>     Pointcut myDynamicAspect;
>
>
>
>     /**
>      * @Before myDynamicAspect
>      */
>     public Object myAdvice(final JoinPoint joinPoint) throws Throwable {
>         Object result = joinPoint.proceed();
>         System.out.println("  --> ADVICE : invoking advice triggered by
> step3 for Tenant 2");
>         return result;
>     }
>
> AOP.XML in META-INF folder under src:
>
> <!DOCTYPE aspectwerkz PUBLIC
>     "-//AspectWerkz//DTD//EN"
>     "http://aspectwerkz.codehaus.org/dtd/aspectwerkz2.dtd">
> <aspectwerkz>
>     <system id="samples">
>         <package name="examples">
>             <aspect class="cflow.Aspect_Tenant1"></aspect>
>         </package>
>     </system>
> </aspectwerkz>
>
>
>
>
> I set JVM argument as
> "-javaagent:C:\aspectwerkz-2.0\lib\aspectwerkz-jdk5-2.0.jar"
>
> Then I am I try to run the following code :
> public class Weaver_Tenant2 {
>         public static void main(String[] args) {
>
>
>              Target t = new Target();
>
>              DeploymentHandle handle1 =
> Deployer.deploy(Aspect_Tenant1.class);
>
>         t.step1();
>
>                 }
> }
>
> RESULT :
>
>
> AspectWerkz - INFO - Pre-processor
> org.codehaus.aspectwerkz.transform.AspectWerkzPreProcessor loaded and
> initialized
> Deployer::INFO - deploying aspect [examples.cflow.Aspect_Tenant2] in class
> loader [sun.misc.Launcher$AppClassLoader@92e78c]
>   --> invoking step1
>   --> invoking step2
>
>
> Here advice is not weaved.
>
> Am I doing any mistake ? or am I missing any  settings…?
>
> Please help me to run this…
>
>
> Thakns lot.
>
>
> Thanks and Regards,
> Kumaravel Ganesan
> HP R&D.
>
>
>
>

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[Ganesan, Kumaravel (HP STSD-Labs)]

Thanks Alex.

But can I perform runtime/online weaving in aspectJ?


Thanks and Regards,
Kumaravel Ganesan

-----Original Message-----
From: Alexandre Vasseur [mailto:avasseur@...]
Sent: Friday, July 25, 2008 12:09 AM
To: user@...
Subject: Re: [aspectwerkz-user] Question on Runtime Weaving Example

Hi
I advise you to use AspectJ instead since merged AspectWerkz with it.
Alex

On Thu, Jul 24, 2008 at 8:22 PM, Ganesan, Kumaravel (HP STSD-Labs)
<vel@...> wrote:

> Hi .
>
> Greetings.
>
> I am new to AspectWerkz.
>
> I am trying with following example(in Eclipse , without Plugin) :
>
>
> Target class:
>
> public class Target {
>
>     public void step1() {
>         System.out.println("  --> invoking step1");
>         step2();
>     }
>
>     public void step2() {
>         System.out.println("  --> invoking step2");
>     }
> }
>
> Aspect Class :
>
> public class Aspect_Tenant1 {
>
>         /**
>      * @Expression execution(void examples.cflow.Target.step1())
>      */
>     Pointcut myDynamicAspect;
>
>
>
>     /**
>      * @Before myDynamicAspect
>      */
>     public Object myAdvice(final JoinPoint joinPoint) throws Throwable {
>         Object result = joinPoint.proceed();
>         System.out.println("  --> ADVICE : invoking advice triggered by
> step3 for Tenant 2");
>         return result;
>     }
>
> AOP.XML in META-INF folder under src:
>
> <!DOCTYPE aspectwerkz PUBLIC
>     "-//AspectWerkz//DTD//EN"
>     "http://aspectwerkz.codehaus.org/dtd/aspectwerkz2.dtd">
> <aspectwerkz>
>     <system id="samples">
>         <package name="examples">
>             <aspect class="cflow.Aspect_Tenant1"></aspect>
>         </package>
>     </system>
> </aspectwerkz>
>
>
>
>
> I set JVM argument as
> "-javaagent:C:\aspectwerkz-2.0\lib\aspectwerkz-jdk5-2.0.jar"
>
> Then I am I try to run the following code :
> public class Weaver_Tenant2 {
>         public static void main(String[] args) {
>
>
>              Target t = new Target();
>
>              DeploymentHandle handle1 =
> Deployer.deploy(Aspect_Tenant1.class);
>
>         t.step1();
>
>                 }
> }
>
> RESULT :
>
>
> AspectWerkz - INFO - Pre-processor
> org.codehaus.aspectwerkz.transform.AspectWerkzPreProcessor loaded and
> initialized
> Deployer::INFO - deploying aspect [examples.cflow.Aspect_Tenant2] in class
> loader [sun.misc.Launcher$AppClassLoader@92e78c]
>   --> invoking step1
>   --> invoking step2
>
>
> Here advice is not weaved.
>
> Am I doing any mistake ? or am I missing any  settings...?
>
> Please help me to run this...
>
>
> Thakns lot.
>
>
> Thanks and Regards,
> Kumaravel Ganesan
> HP R&D.
>
>
>
>

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[neo anderson]

But I read the aspectj document, it seems like aspectj 5 does not support run-time weaving, doesn't it?

Alexandre Vasseur wrote:

Hi
I advise you to use AspectJ instead since merged AspectWerkz with it.
Alex

On Thu, Jul 24, 2008 at 8:22 PM, Ganesan, Kumaravel (HP STSD-Labs)
<[e-mail]> wrote:
> Hi .
>
> Greetings.
>
> I am new to AspectWerkz.
>
> I am trying with following example(in Eclipse , without Plugin) :
>
>
> Target class:
>
> public class Target {
>
>     public void step1() {
>         System.out.println("  --> invoking step1");
>         step2();
>     }
>
>     public void step2() {
>         System.out.println("  --> invoking step2");
>     }
> }
>
> Aspect Class :
>
> public class Aspect_Tenant1 {
>
>         /**
>      * @Expression execution(void examples.cflow.Target.step1())
>      */
>     Pointcut myDynamicAspect;
>
>
>
>     /**
>      * @Before myDynamicAspect
>      */
>     public Object myAdvice(final JoinPoint joinPoint) throws Throwable {
>         Object result = joinPoint.proceed();
>         System.out.println("  --> ADVICE : invoking advice triggered by
> step3 for Tenant 2");
>         return result;
>     }
>
> AOP.XML in META-INF folder under src:
>
> <!DOCTYPE aspectwerkz PUBLIC
>     "-//AspectWerkz//DTD//EN"
>     "http://aspectwerkz.codehaus.org/dtd/aspectwerkz2.dtd">
> <aspectwerkz>
>     <system id="samples">
>         <package name="examples">
>             <aspect class="cflow.Aspect_Tenant1"></aspect>
>         </package>
>     </system>
> </aspectwerkz>
>
>
>
>
> I set JVM argument as
> "-javaagent:C:\aspectwerkz-2.0\lib\aspectwerkz-jdk5-2.0.jar"
>
> Then I am I try to run the following code :
> public class Weaver_Tenant2 {
>         public static void main(String[] args) {
>
>
>              Target t = new Target();
>
>              DeploymentHandle handle1 =
> Deployer.deploy(Aspect_Tenant1.class);
>
>         t.step1();
>
>                 }
> }
>
> RESULT :
>
>
> AspectWerkz - INFO - Pre-processor
> org.codehaus.aspectwerkz.transform.AspectWerkzPreProcessor loaded and
> initialized
> Deployer::INFO - deploying aspect [examples.cflow.Aspect_Tenant2] in class
> loader [sun.misc.Launcher$AppClassLoader@92e78c]
>   --> invoking step1
>   --> invoking step2
>
>
> Here advice is not weaved.
>
> Am I doing any mistake ? or am I missing any  settings…?
>
> Please help me to run this…
>
>
> Thakns lot.
>
>
> Thanks and Regards,
> Kumaravel Ganesan
> HP R&D.
>
>
>
>

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