- One of the things we need to be able to do is to choose particular
service implementations at startup time, based on property or
preference
settings. In particular, I'd like to be able to swap out all remote
services in favor of local (dummy) services based on a single property
value; or
To: Jakarta Commons Developers List
Subject: Re: [HiveMind] HiveMind ideas - interceptor categories
Hi Harish,
My ordering suggestion was not a genius one, it should just make the
current ordering a bit easier to use. I just thought if you had some
standard-ordering numbers this would
Harish Krishnaswamy hkrishnaswamy at comcast.net writes:
I am yet to explore Javassist, but would certainly like to see some
comments comparing it to Cglib2. I have seen some great reviews for it
and not to mention its widespread use in other products.
The speed of the two will probably be
The default ordering will certainly be good but any other level of
abstractions for the ordering seems like unnecessary complications of
what is supposed to be a simple thing. May be I am missing something here?
-Harish
Christian Essl wrote:
Hi Harish,
My ordering suggestion was not a genius
Thanks Chris! I was actually just taking a look at the examples and
trying some out. I really like its straight forwardness like you
mention. I have a question though (now that you are here ;) ). I am
actually stuck at the moment trying to have multiple callbacks for all
methods in a class and
The speed of the two will probably be comparable. The main
advantage of using
CGLIB2 is that your code will be simpler, since you are
dealing against a normal
Java API (comparable to java.lang.reflect.Proxy) instead of writing
pseudo-bytecode in string literals as you do with Javassist.
Harish Krishnaswamy wrote:
I have a question though (now that you are here ;) ). I am
actually stuck at the moment trying to have multiple callbacks for all
methods in a class and the filter only allows me to return one callback
for a method?
Yes, you can only have one Callback per method. I
Howard M. Lewis Ship wrote:
With JDK proxies, and the CGLib samples I've seen, you still have flow of control into
a single
method that must use cascading if statements to determine what method was actually
invoked
originally.
In CGLIB 1.0 this was the case, but one of the big changes in CGLIB2
Yes, and soon after I posted this message I figured it out. I simply
chained the interceptors via the constructor and passed in the topmost
interceptor to the enhancer. It is really very simple and
straight-forward. And yes, I have joined the mailing list too and will
come back there for
This would be valuable discussion for the coming hivemind mailing lists and wiki.
Hi Howard,
I've been looking pretty closely at HiveMind for the past
few days --
glad the IP issues have been squared away -- and I have to
say, it looks
terrific. I have a couple of minor comments
Howard M. Lewis Ship wrote:
This would be valuable discussion for the coming hivemind mailing lists and wiki.
Hi Howard,
I've been looking pretty closely at HiveMind for the past
few days --
glad the IP issues have been squared away -- and I have to
say, it looks
terrific. I have a
From: Howard M. Lewis Ship [EMAIL PROTECTED]
- I believe your placeholder for version checking is at the
wrong level.
I think versioning should be at the service interface
level, not the
module level. Isn't that how Eclipse does it? What are your
thoughts here?
I'm pretty
Howard M. Lewis Ship wrote:
From: Howard M. Lewis Ship [EMAIL PROTECTED]
- I believe your placeholder for version checking is at the
wrong level.
I think versioning should be at the service interface
level, not the
module level. Isn't that how Eclipse does it? What
Rapdily changing interfaces? Not just implementations, but interfaces?
That sounds more like a alpha cycle than a full release cycle.
I suppose it does. The reality is, though, that a given jar file is
likely to have code whose level of stability spans a pretty wide range.
Even interfaces.
From: Howard M. Lewis Ship [EMAIL PROTECTED]
- I believe your placeholder for version checking is at the
wrong level.
I think versioning should be at the service interface level, not the
module level. Isn't that how Eclipse does it? What are your
thoughts here?
I'm pretty sure
Hallo,
Congratulations that Hivemind is back. Sorry that I haven't mailed before,
but I was very busy and wasn't checking for HiveMind that often anymore.
Especially I want to apologize with Howard, whoes mail I must have
overseen.
- Why use Javassist instead of dynamic proxies?
I am yet to
Hi Christian,
Welcome back!
I know you have done some work on dynamic proxy interceptors before, I
shall take a look at it and see if it helps.
As far as interceptor ordering, I really don't see the benefit. Could
you be more elaborate?
-Harish
PS. I am going to bed now, don't expect an
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