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AspectJ 1.7 compatibility with JDK1.6 [message #896841]

Fri, 20 July 2012 06:09

Jeevitha

Messages: 7
Registered: July 2012

Junior Member

Hi All,
I am new to AspectJ and I am using AspectJ1.7 version.

I have some queries regarding version compatibility.

Does AspectJ1.7 is compatible with JDK 1.6? Does AspectJ 1.7 compilers and weavers need JDK 1.7 version or it is supported in JDK1.6 itself.

And the other thing is what new features of AspectJ 1.7 is applicable in JDK 1.6 version.

Thanks,
Jeevitha

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Re: AspectJ 1.7 compatibility with JDK1.6 [message #897183 is a reply to message #896841]

Mon, 23 July 2012 02:52

Andrew Eisenberg

Messages: 382
Registered: July 2009

Senior Member

Quote:

Does AspectJ1.7 is compatible with JDK 1.6? Does AspectJ 1.7 compilers and weavers need JDK 1.7 version or it is supported in JDK1.6 itself.

Yep. You can use JDK 1.6 with aspectj 1.7. You must set your source and target levels appropriately in order to do this. For example, in Eclipse, you must set your Java compiler compliance level (Perferences -> Java -> Compiler -> JDK Compliance) to 1.6. In this case, however, 1.7 language features will be disabled.

Quote:

And the other thing is what new features of AspectJ 1.7 is applicable in JDK 1.6 version.

There are quite a few bug fixes and a few smaller features. Check out the readme for the 1.7 release.

http://eclipse.org/aspectj/doc/released/README-170.html

And the best place to ask questions about aspectj is the mailing list.
http://eclipse.org/aspectj/userlists.php

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Re: AspectJ 1.7 compatibility with JDK1.6 [message #897195 is a reply to message #897183]

Mon, 23 July 2012 06:30

Jeevitha

Messages: 7
Registered: July 2012

Junior Member

Thanks Andrew!!

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Bytecode Caching in AspectJ [message #897206 is a reply to message #897195]

Mon, 23 July 2012 07:46

Jeevitha

Messages: 7
Registered: July 2012

Junior Member

Hi Andrew!!

May I know what is Bytecode Caching in AspectJ1.7?

And when caching is enabled, what exactly is cached??

What is the life of Caching? Is it automatically refreshed or is Static?

Is there any Memory limit for Caching? ie. If only to certain extent Caching is done or is unlimited??

Thanks,
Jeevitha

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Re: Bytecode Caching in AspectJ [message #897327 is a reply to message #897206]

Mon, 23 July 2012 15:24

Andrew Eisenberg

Messages: 382
Registered: July 2009

Senior Member

Bytecode caching allows the loadtime weaver to weave the bytecode once and then cache the results so that loadtime weaving starts much faster.

I can't tell you much more than that. I'd recommend that you send a message to the aspectj users mailing list, over here:

http://dev.eclipse.org/mailman/listinfo/aspectj-dev

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Re: Bytecode Caching in AspectJ [message #898256 is a reply to message #897327]

Thu, 26 July 2012 05:18

Jeevitha

Messages: 7
Registered: July 2012

Junior Member

Hi Andrew,

I have posted Aspectj related queries to aspectj users mailing list but I didn't receive any reply.
So, please can you help me in this regard.

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