Thanks for the prompt reply.
I have more questions. I will message in near feature.
Thanks again for the reply.
T.Pranavan
Undergraduate ('11 Batch),
Department of Computer Science and Engineering,
University of Moratuwa,
Mobile: 0775136836
On 6 March 2015 at 14:07, Fraser Adams <[email protected]>
wrote:
> Hi Pranavan,
> TBH this is a fairly complex issue and really ought to have some decent
> documentation - I'm as guilty as anyone never managing to find the time.
>
> I worked it through in my own mind just over a year ago - pretty much by
> taking a bunch of use-cases that were important to me and kind of spending
> a weekend with spout and drain plus the qpid::messaging source code and
> AMQP 1.0 spec working out what was being set for which circumstance.
>
> I think that one of the real subtleties is that AMQP 0.10 (the protocol)
> specifies things like the different exchange types, whereas AMQP 1.0 only
> specifies how to establish links between AMQP Nodes. The Qpid brokers
> support exchanges, but from the perspective of AMQP 1.0 they are both just
> types of Node. What I discovered basically is all the magic happens in the
> link attach protocol so you tend to specify the "clever stuff" on the
> "link: " part of the Address String.
>
> Another complication I found was that I generally wanted to dynamically
> create queues and to have them created with particular setups, such as
> specific size, name, circular etc. etc. a lot of this isn't readily
> supported by the AMQP 1.0 protocol but Gordon Sim came up with an neat way
> around that limitation by allowing the concept of "Topic" pseudo-nodes
> whereby you can use qpid-config to create a named "Topic" object that has a
> particular configuration for creating its queues and maps to a particular
> exchange, you basically just create a topic object and use that as the Node
> you address.
>
> I posted my findings a while back under a thread called "A write up of
> some AMQP 1.0 Experiments" you might find it by Googling that or "AMQP 1.0
> Address musings" but the link is below which has my write-up attached.
>
> http://mail-archives.apache.org/mod_mbox/qpid-users/
> 201402.mbox/%[email protected]%3E
>
>
> I'm afraid that it's a long and slightly rambly plain text document, it
> was really just me trying to gather my own thoughts and not tidied up for
> public consumption, but I think that it has the most complete set of
> examples for using Qpid with AMQP 1.0 available and covers some fairly
> advanced use cases (I've got an example with multiple physical subscribers
> to a single shared logical subscription using message selectors and a topic
> exchange with a named circular subscription queue set with a specified
> size).
>
> If you just want examples start at the back, if you want more of the
> journey start from the front :-D
>
> One more thing that write-up was using the C++ broker, I think most of it
> is applicable to the Java broker too, but I don't know if it supports
> things like the "Topic" pseudo Nodes - Rob do you have an answer there?
>
> I hope that this helps.
> Frase
>
>
>
> On 06/03/15 04:35, Pranavan Theivendiram wrote:
>
>> Hi All,
>>
>> I have a problem in understanding how exchange bindings are replaced in
>> AMQP 1.0. Please help me in this issue.
>> Thanks in advance
>> T.Pranavan
>> Undergraduate ('11 Batch),
>> Department of Computer Science and Engineering,
>> University of Moratuwa,
>> Mobile: 0775136836
>>
>>
>
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