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From Chaomei Lo <chaome...@gmail.com>
Subject Re: Is Message object in arugment of onMessage under the 'cms' namespace
Date Thu, 27 Aug 2015 00:13:55 GMT
Thanks, Tim.

Let me rephrase my question - is the Message class in the argument of
onMessage(...) under the 'cms' namespace ?  So that I can write  'const
cms::Message* message' in below.  That was what I used, but not work
properly.

// Called from the consumer since this class is a registered
MessageListener.
    virtual void onMessage(const Message* message) {

On Wed, Aug 26, 2015 at 5:05 PM, Timothy Bish <tabish121@gmail.com> wrote:

> On 08/26/2015 07:37 PM, mfan wrote:
> > I have constructed a customized Consumer class with the following line
> > (declare onMessage(..) in Consumer.hpp.
> >
> > /virtual void onMessage(const Message* message);
> > /
> >
> > I do not want to have "using namespace xxx" in header, so I need to
> identify
> > which Message object it passed to.  I found a "Message.h" in
> > ~/activemq-cpp-library-3.8.4/src/main/cms, so I assume that it is, so I
> > added 'cms::' in above line, and thought it would solve the problem.
> > However,  weird behavior happened, Instead of getting what the Producer
> has
> > just sent, the Consumer received something seems to be sent before.   I
> have
> > restarted the CMS broker, it did not solve the problem.   Did I use a
> wrong
> > namespace for Message ?
> It's not really clear what you did and what is happening so I can't say
> what might be the problem.
>
> >
> >  I checked the Message.h under 'cms' directory, it has 'CMS_API'
> declared
> > in front of the Message class,
> >
> > /class CMS_API Message {
> > /
> > What does the CMS_API do ?
> Ensures that on Windows the class has proper declspec exports for DLL
> interop
>
> >
> > If I include all these following in header, then it works fine.
> >
> > /using namespace activemq::core;
> > using namespace decaf::util::concurrent;
> > using namespace decaf::util;
> > using namespace decaf::lang;
> > using namespace cms;
> > /
> >
> > Another question, in ActiveMQ-CPP example, there is an 'AMQCPP_UNUSED'
> pass
> > to the argument of the main() function.  What does it mean ?
> Prevents the compiler on some platforms from emitting a warning that
> those args are not used as that is intentional.
>
> >
> > Thanks.
> >
> >
> >
> > --
> > View this message in context:
> http://activemq.2283324.n4.nabble.com/Is-Message-object-in-arugment-of-onMessage-under-the-cms-namespace-tp4701425.html
> > Sent from the ActiveMQ - User mailing list archive at Nabble.com.
> >
>
>
> --
> Tim Bish
> Sr Software Engineer | RedHat Inc.
> tim.bish@redhat.com | www.redhat.com
> twitter: @tabish121
> blog: http://timbish.blogspot.com/
>
>

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