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RE: [aspectj-dev] Call Join points
|
Title: Message
Andy,
Here
is the output from my build with 1.5M2
Ron
Andy,
I
can do that, but is JDK1.5 [or Java 5] required?
I seem to remember fixing a bug between
AspectJ1.2.1 (AJDT1.1.12) and
AspectJ1.5.0 (AJDT1.2.0) on the line of code which is failing for
you:
java.lang.RuntimeException: Internal Compiler Error: Unexpected null
source location passed as 'see also' location.
at
org.aspectj.ajdt.internal.compiler.WeaverMessageHandler.buildSeeAlsoProblems(WeaverMessageHandler.java:192)
It is failing when trying to report an error - unfortunately losing
the
real error in the
process.
if you did a quick
one off compile on the command line with AspectJ1.5.0 then
it should tell you what the real problem
is...
Andy.
"DiFrango, Ron"
<ron.difrango@xxxxxxxxxxxxxx> Sent by: aspectj-dev-bounces@xxxxxxxxxxx
10/05/2005 13:07
Please respond
to AspectJ developer discussions
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Subject
| RE: [aspectj-dev] Call Join
points |
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I am using 1.1.12 and Eclipse 3.0.1.
-----Original
Message-----
From:
aspectj-dev-bounces@xxxxxxxxxxx
[mailto:aspectj-dev-bounces@xxxxxxxxxxx]
On Behalf Of DiFrango, Ron
Sent: Tuesday, May 10, 2005 8:05 AM
To:
AspectJ developer discussions
Subject: RE: [aspectj-dev] Call Join
points
I think I know what the problem is, the library has some
bad design [not
my fault, I swear] where it throws Exception on some of
those methods
and I think that is what is making the compiler throw up
like it is
below.
Any comments or thoughts?
-----Original
Message-----
From: DiFrango, Ron
Sent: Tuesday, May 10, 2005 8:00
AM
To: 'AspectJ developer discussions'
Subject: RE: [aspectj-dev] Call
Join points
Importance: High
Thanks Ron. I added that,
but now I get the following compiler error:
Internal compiler
error
java.lang.RuntimeException: Internal Compiler Error: Unexpected
null
source location passed as 'see also' location.
at
org.aspectj.ajdt.internal.compiler.WeaverMessageHandler.buildSeeAlsoProb
lems(WeaverMessageHandler.java:192)
at
org.aspectj.ajdt.internal.compiler.WeaverMessageHandler.handleMessage(We
averMessageHandler.java:99)
at
org.aspectj.weaver.Lint$Kind.signal(Lint.java:179)
at
org.aspectj.weaver.patterns.KindedPointcut.warnOnConfusingSig(KindedPoin
tcut.java:135)
at
org.aspectj.weaver.patterns.KindedPointcut.match(KindedPointcut.java:69)
at
org.aspectj.weaver.patterns.OrPointcut.match(OrPointcut.java:44)
at
org.aspectj.ajdt.internal.compiler.problem.AjProblemReporter.unhandledEx
ception(AjProblemReporter.java:84)
at
org.eclipse.jdt.internal.compiler.flow.FlowContext.checkExceptionHandler
s(FlowContext.java:182)
at
org.eclipse.jdt.internal.compiler.ast.MessageSend.analyseCode(MessageSen
d.java:48)
at
org.eclipse.jdt.internal.compiler.ast.Block.analyseCode(Block.java:40)
at
org.eclipse.jdt.internal.compiler.ast.IfStatement.analyseCode(IfStatemen
t.java:80)
at
org.eclipse.jdt.internal.compiler.ast.MethodDeclaration.analyseCode(Meth
odDeclaration.java:70)
at
org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.internalAnalyseCod
e(TypeDeclaration.java:705)
at
org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.analyseCode(TypeDe
claration.java:262)
at
org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration.analyse
Code(CompilationUnitDeclaration.java:78)
at
org.eclipse.jdt.internal.compiler.Compiler.process(Compiler.java:547)
at
org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:365)
at
org.aspectj.ajdt.internal.core.builder.AjBuildManager.performCompilation
(AjBuildManager.java:671)
at
org.aspectj.ajdt.internal.core.builder.AjBuildManager.doBuild(AjBuildMan
ager.java:167)
at
org.aspectj.ajdt.internal.core.builder.AjBuildManager.batchBuild(AjBuild
Manager.java:101)
at
org.aspectj.ajde.internal.CompilerAdapter.compile(CompilerAdapter.java:1
22)
at
org.aspectj.ajde.internal.AspectJBuildManager$CompilerThread.run(AspectJ
BuildManager.java:165)
-----Original Message-----
From:
aspectj-dev-bounces@xxxxxxxxxxx
[mailto:aspectj-dev-bounces@xxxxxxxxxxx]
On Behalf Of Ron Bodkin
Sent: Monday, May 09, 2005 10:44 PM
To:
'AspectJ developer discussions'
Subject: RE: [aspectj-dev] Call Join
points
Hi Ron,
Remember that if you want to handle checked
exceptions through an
aspect, you will need to use the declare soft form
so the compiler
recognizes that the exceptions won't leave the given join
point. Declare
soft is described in the programmer's guide for the
basics.
You can also see an example of how to do this in an article
that
Ramnivas and I wrote:
http://www.linux-mag.com/2004-04/aspects_01.html
-----Original
Message-----
From:
aspectj-dev-bounces@xxxxxxxxxxx
[mailto:aspectj-dev-bounces@xxxxxxxxxxx]
On Behalf Of DiFrango, Ron
Sent: Monday, May 09, 2005 11:06 AM
To:
AspectJ developer discussions
Subject: RE: [aspectj-dev] Call Join
points
Okay, now here is an interesting one that I think is for AJDT
though. I
was trying to use this to inject Exception handling into
my code so that
I did not have to scatter it everywhere when using this
library.
Well, when I compiled the code with the original try catch
blocks in the
application proper the outline view was correct and it
compiled cleanly.
The minute I remove it, it complains about not having
exception handlers
in place. Anyone know why that might
be.
Thanks in advance,
Ron
-----Original
Message-----
From:
aspectj-dev-bounces@xxxxxxxxxxx
[mailto:aspectj-dev-bounces@xxxxxxxxxxx]
On Behalf Of DiFrango, Ron
Sent: Monday, May 09, 2005 1:26 PM
To:
AspectJ developer discussions
Subject: RE: [aspectj-dev] Call Join
points
Adrian/Ramnivas,
Thanks for your help. I now
have this work. I will still like to be
able to go through my
DataContracts interface and now have to enumerate
all the interfaces it
has housed in it. Maybe I will submit an
enhancement request on
this one.
Ron
-----Original Message-----
From: DiFrango,
Ron
Sent: Monday, May 09, 2005 8:40 AM
To: 'AspectJ developer
discussions'
Subject: RE: [aspectj-dev] RE: [aspectj-users] Call Join
points
Adrian,
After you sent it, Ramnivas' solution made
more sense to me. I tried it
and it still did not work and I got
the following:
no match for this type name:
AccountActionsData
[Xlint:invalidAbsoluteTypeName]
ExceptionHandlerInsertion.aj
The
only difference between my code and yours is that AccountActionsData
is
yet another interface that implements two additional interfaces and
not a
concrete class.
So change your code below to the
following:
package abc;
public interface AccountActionsData
extends AccountActionsRiskData,
AccountActionsBaseData { }
public
interface AccountActionsBaseData {
public void boo1() throws
MyAppException;
}
public interface AccountActionsRiskData
{
public void
boo2() throws MyAppException;
}
Then we have a dynamic proxy that
actually constructs the underlying
implementation classes based upon
these interfaces.
Also, these classes are in a separate JAR file that
I am weaving in
therefore, the need for the call side
pointcut.
Even if I got this to work, I am not sure I would like it
because, I now
have to enumerate all the interfaces
Thanks
again!
Ron
-----Original Message-----
From:
aspectj-dev-bounces@xxxxxxxxxxx
[mailto:aspectj-dev-bounces@xxxxxxxxxxx]
On Behalf Of Adrian Colyer
Sent: Monday, May 09, 2005 8:14 AM
To:
AspectJ developer discussions
Subject: Re: [aspectj-dev] RE:
[aspectj-users] Call Join points
The version that uses
DataContracts.*.*(..) does not work because this
will match any type in
a package DataContracts (AspectJ expects a type
pattern in this
position), but DataContracts.ACCOUNT_ACTIONS is not a
type
- it's a
the name of a public field. The version that Ramnivas proposes
I
would expect to work. I created a simple replica of your project
and
tried
all of:
call( * AccountActionsData.*(..))
call(*
*(..)) && target(AccountActionsData) // also matches
the
toString
call
call(* *(..)) && target(aad) &&
if (aad ==
DataContracts.ACCOUNT_ACTIONS)
// only matches for the
ACCOUNT_ACTIONS instance
which all worked for me as
expected.
Here is my source code:
package abc;
public
class Driver {
public static void main(String[] args)
{
DataContracts.ACCOUNT_ACTIONS.boo();
DataContracts.ACCOUNT_ACTIONS.toString();
}
}
=============
package abc;
public
interface DataContracts {
public static
AccountActionsData ACCOUNT_ACTIONS =
new
AccountActionsData();
}
=============
package
abc;
public class AccountActionsData {
public
void boo() {}
}
=============
package
abc;
public aspect ExceptionHandling {
pointcut
exceptionHandling(AccountActionsData aad) :
call(* *(..)) && target(aad) && if(aad ==
DataContracts.ACCOUNT_ACTIONS);
Object around() :
exceptionHandling(AccountActionsData) {
System.out.println("handling " + thisJoinPoint);
try {
return
proceed();
} catch (Exception ex) {
return null;
}
}
}
=============
when I run
this I get the output:
handling call(void
abc.AccountActionsData.boo())
handling call(String
java.lang.Object.toString())
So I guess that leads to 2
questions:
* does my source code work in your environment?, and
* can
you think of any difference between my example and yours that
could
be causing the failure to match?
I'm travelling again today and
will be offline again for the next few
hours...
--
Adrian
Adrian_Colyer@xxxxxxxxxx
"DiFrango, Ron"
<ron.difrango@xxxxxxxxxxxxxx>
Sent by:
aspectj-dev-bounces@xxxxxxxxxxx
09/05/2005 12:14
Please respond
to
AspectJ developer discussions
<aspectj-dev@xxxxxxxxxxx>
To
"AspectJ developer
discussions"
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cc
Subject
[aspectj-dev] RE:
[aspectj-users] Call Join points
Can one of the
developers look into the situation below and let me know
if this is a bug
or if it is something that I am doing wrong?
Thanks in
advance,
Ron
-----Original Message-----
From:
aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx]
On Behalf Of DiFrango, Ron
Sent: Thursday, May 05, 2005 8:12 AM
To:
aspectj-users@xxxxxxxxxxx
Subject: RE: [aspectj-users] Call Join
points
Thanks for the suggestion, but that does not work either.
Actually,
neither of those approaches work for some reason. I
think we need one
of the developers to comment on why this might be
happening.
-----Original Message-----
From:
aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx]
On Behalf Of Ramnivas Laddad
Sent: Wednesday, May 04, 2005 11:22
PM
To: aspectj-users@xxxxxxxxxxx
Subject: Re: [aspectj-users] Call
Join points
Ron,
I think your pointcut should be like the
following:
pointcut exceptionHandlingInsertion() :
call(* AccountActionsData.*(..));
Or
if you want to apply to only ACCOUNT_ACTIONS instances:
pointcut exceptionHandlingInsertion(AccountActionsData aad) :
call(* AccountActionsData.*(..)) && target(aad)
&& if(aad ==
DataContracts.ACCOUNT_ACTIONS)
;
-Ramnivas
===
Ramnivas Laddad,
Author, AspectJ in
Action
http://ramnivas.com
M: (408)203-4621
DiFrango,
Ron wrote:
>Okay, I have a situation that I can not figure out.
I have the
>following interface
declared:
>
>
>public interface
DataContracts
>{
> /**
> *
Constant for the <code>AccountActionsData</code>
interface(s).
> */
> public static
AccountActionsData ACCOUNT_ACTIONS =
>
AccountActionsDataService.getDataInstance();
>}
>
>What
I want to do is pick out any calls to
the
>DataContracts.ACCOUNT_ACTIONS so I created the following
aspect:
>
>public aspect ExceptionHandlerInsertion {
>
pointcut
exceptionHandlingInsertion() :
>
call(* DataContracts.*.*(..));
>
>
Object around() :
exceptionHandlingInsertion()
>
{
>
try
>
{
>
return proceed();
>
}
>
catch(Exception
e)
>
{
>
return null;
>
}
>
}
>}
>
>The only thing is that it does not pick out
any calls such as
the
>following:
>
>
>DataContracts.ACCOUNT_ACTIONS.update("Aspectj");
>
>Any
thoughts on how I can make this work?
>
>Thanks in
advance,
>
>Ron
>_______________________________________________
>aspectj-users
mailing
list
>aspectj-users@xxxxxxxxxxx
>https://dev.eclipse.org/mailman/listinfo/aspectj-users
>
>
>
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