Em Sat, 27 Jun 2009 05:34:09 -0300, Piero Sartini <li...@pierosartini.de>
escreveu:
I expect the T5 IOC to live well beyond the web framework portion.
T5 IoC is very powerful.
Yes it is. And it's a pleasure to use.
But at this point I am not so sure if Tapestry IoC is the best answer to
flexibility. Take a look at Struts2 - they are able to switch their DI
implementation by configuration.
I would agree if Tapestry-IoC wasn't flexible enough to support
integration with other IoC/DI frameworks, but it is. Hint: take a look at
the T-IoC' ModuleDef interface and how it's used in tapestry-spring.
This brings them a lot of possibilities and integrations with third party
frameworks / products that I do not see for tapestry.
Could you give us some examples of what possibilities and integrations
with third-party frameworks or products that you do not see for Tapestry?
One could argument that this is a much more flexible approach than
relying on one DI container.
I don't think so. Look at how Spring is supported in Tapestry: it's
absolutely transparent. When I need some Spring bean in my page,
component, mixin or service, it is injected as if it was a Tapestry-IoC
defined bean (service). My projects are built with Tapestry and
transactions are handled by Spring-TX. In the future, when the Tapestry
project will have it's own transaction support, my only changes my project
will need are changing the Spring's @Transactional annotation for the
corresponding Tapestry-TX annotations (which I guess will be the EJB 3
ones). Anything that needs my services/beans will not change.
Tapestry very flexible architecture needs an IoC framework. Otherwise, it
would lose a lot of power, simplicity, convention over configuration and
--
Thiago H. de Paula Figueiredo
Independent Java consultant, developer, and instructor
http://www.arsmachina.com.br/thiago
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