Nabble - Tapestry - User

tapestry4 contrib table making same multiple hibernate query

2009-11-08T19:31:36Z

May i know does anyone experience this in tapestry 4. I have a page that query
for table row and count. but from hibernate log, it show repeating same query
for multiple times. is this normal?

Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select * from ( select this_.ID as ID14_0_, this_.CATEGORYNAME as CAT
EGORY2_14_0_ from TESTTABLEONLY this_ where this_.CATEGORYNAME like ? order b
y this_.CATEGORYNAME desc ) where rownum <= ?
Hibernate: select * from ( select this_.ID as ID14_0_, this_.CATEGORYNAME as CAT
EGORY2_14_0_ from TESTTABLEONLY this_ where this_.CATEGORYNAME like ? order b
y this_.CATEGORYNAME desc ) where rownum <= ?
Hibernate: select * from ( select this_.ID as ID14_0_, this_.CATEGORYNAME as CAT
EGORY2_14_0_ from TESTTABLEONLY this_ where this_.CATEGORYNAME like ? order b
y this_.CATEGORYNAME desc ) where rownum <= ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?
Hibernate: select count(*) as y0_ from TESTTABLEONLY this_ where this_.CATEGO
RYNAME like ?

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Re: beaneditform question

2009-11-08T17:50:06Z

Hi

Simple sample(t5.1):

In tml:
<form t:id="regForm" t:type="beaneditform" object="user" include="nick,firstName,lastName" add="password,retypePassword">
<p:password>
<t:label for="password"/>
<t:passwordfield t:id="password" validate="required">
</p:password>
<p:retypePassword>
<t:label for="retypePassword"/>
<t:passwordfield t:id="retypePassword" validate="required">
</p:retypePassword>
</form>

In java:

@Component
private BeanEditForm regForm;

@Property
private User user; // your user entity

@Property
private String password;

@Property
private String retypePassword;

Object onValidate() {
if (!password.equals(retypePassword)) {
regForm.recordError("password and retypepassword must be == ");
return this; // meaning validation failed
}
return null; // validation successfully.
}

Object onSuccess() {
user.setPassword(encodeutil.encode(password));
service.save(user);
return successpage or other;
}

DH
http://www.gaonline.com.cn

----- Original Message -----
From: "Jonhy Pear"
To: <users@...>
Sent: Monday, November 09, 2009 9:21 AM
Subject: Re: beaneditform question

Sorry, I mean beaneditform, not beaneditform

On Mon, Nov 9, 2009 at 1:05 AM, Jonhy Pear <jonhy.pear@...> wrote:

>
>
>
>
> Hello all,
>
> This is my first message to the list. I'm new to tapestry and I'm
> evaluating it and looking for some guidance.
> Let's say I have a java bean with:
>
> String nick;
> String firstName;
> String lastName;
> String hashPassword;
>
> I want to use beaneditform to create a new user but I want to add new
> fields:
>
> password
> retypePassword
>
> and validade the presence of both and their equality. You know, that
> typical registration process.
>
> When user submit the new data I want to validate the equality of both
> password and confirmPassword and set a hash based on password in the field
> hashPassword in the bean.
>
> Does anybody have a sample code that I can use to know what is the best way
> to achieve this with tapestry?
>
>
> thank you
>
>
>
>

--
João Miguel Pereira
http://jpereira.eu
LinkedIn: http://www.linkedin.com/in/joaomiguelpereira

joaomiguel.pereira@...
(351) 96 275 68 58

Re: beaneditform question

2009-11-08T17:21:23Z

Sorry, I mean beaneditform, not beaneditform

On Mon, Nov 9, 2009 at 1:05 AM, Jonhy Pear <jonhy.pear@...> wrote:

--
João Miguel Pereira
http://jpereira.eu
LinkedIn: http://www.linkedin.com/in/joaomiguelpereira

joaomiguel.pereira@...
(351) 96 275 68 58

Beanformedit question

2009-11-08T17:05:23Z

Hello all,

This is my first message to the list. I'm new to tapestry and I'm evaluating
it and looking for some guidance.
Let's say I have a java bean with:

String nick;
String firstName;
String lastName;
String hashPassword;

I want to use beaneditform to create a new user but I want to add new
fields:

password
retypePassword

and validade the presence of both and their equality. You know, that typical
registration process.

When user submit the new data I want to validate the equality of both
password and confirmPassword and set a hash based on password in the field
hashPassword in the bean.

Does anybody have a sample code that I can use to know what is the best way
to achieve this with tapestry?

thank you

Re: How large can post be in Tapestry 5.1.0.5?

2009-11-08T14:48:30Z

Em Sun, 08 Nov 2009 19:58:00 -0200, Argo Vilberg <wilpsuke@...>
escreveu:

> An unexpected application exception has occurred.
>
> - java.lang.IllegalStateException
> Post too large
> Hide uninteresting stack framesStack trace
> -
> org.apache.catalina.connector.Request.parseParameters(Request.java:2388)

Notice it's a Tomcat exception, not a Tapestry one. Anyway, I guess it is
much more of a server issue than a Tapestry one.

--
Thiago H. de Paula Figueiredo
Independent Java, Apache Tapestry 5 and Hibernate consultant, developer,
and instructor
Owner, software architect and developer, Ars Machina Tecnologia da
Informação Ltda.
http://www.arsmachina.com.br

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How large can post be in Tapestry 5.1.0.5?

2009-11-08T13:58:00Z

An unexpected application exception has occurred.

- java.lang.IllegalStateException
Post too large
Hide uninteresting stack framesStack trace
-
org.apache.catalina.connector.Request.parseParameters(Request.java:2388)
-
org.apache.catalina.connector.Request.getParameter(Request.java:1005)
-
org.apache.catalina.connector.RequestFacade.getParameter(RequestFacade.java:353)
-
org.apache.tapestry5.internal.services.RequestImpl.getParameter(RequestImpl.java:72)
-
org.apache.tapestry5.internal.services.ComponentEventLinkEncoderImpl.decodeComponentEventRequest(ComponentEventLinkEncoderImpl.java:244)
-
$ComponentEventLinkEncoder_124d5c4d438.decodeComponentEventRequest($ComponentEventLinkEncoder_124d5c4d438.java)
-
org.apache.tapestry5.internal.services.ComponentEventDispatcher.dispatch(ComponentEventDispatcher.java:42)
- $Dispatcher_124d5c4d439.dispatch($Dispatcher_124d5c4d439.java)
- $Dispatcher_124d5c4d430.dispatch($Dispatcher_124d5c4d430.java)
-
org.apache.tapestry5.services.TapestryModule$RequestHandlerTerminator.service(TapestryModule.java:245)
-
org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26)
-
$RequestHandler_124d5c4d431.service($RequestHandler_124d5c4d431.java)
-
org.apache.tapestry5.services.TapestryModule$4.service(TapestryModule.java:778)
-
$RequestHandler_124d5c4d431.service($RequestHandler_124d5c4d431.java)
-
org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:767)
-
$RequestHandler_124d5c4d431.service($RequestHandler_124d5c4d431.java)
-
org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:85)
-
$RequestHandler_124d5c4d431.service($RequestHandler_124d5c4d431.java)
-
org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:90)
-
org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:81)
-
org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:85)
-
org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:103)
-
$RequestHandler_124d5c4d431.service($RequestHandler_124d5c4d431.java)
-
$RequestHandler_124d5c4d427.service($RequestHandler_124d5c4d427.java)
-
org.apache.tapestry5.services.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.java:197)
-
org.apache.tapestry5.upload.internal.services.MultipartServletRequestFilter.service(MultipartServletRequestFilter.java:44)
-
$HttpServletRequestHandler_124d5c4d429.service($HttpServletRequestHandler_124d5c4d429.java)
-
org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:53)
-
$HttpServletRequestHandler_124d5c4d429.service($HttpServletRequestHandler_124d5c4d429.java)
-
org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
-
$HttpServletRequestFilter_124d5c4d425.service($HttpServletRequestFilter_124d5c4d425.java)
-
$HttpServletRequestHandler_124d5c4d429.service($HttpServletRequestHandler_124d5c4d429.java)
-
org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:726)
-
$HttpServletRequestHandler_124d5c4d429.service($HttpServletRequestHandler_124d5c4d429.java)
-
$HttpServletRequestHandler_124d5c4d423.service($HttpServletRequestHandler_124d5c4d423.java)
-
org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:127)
-
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
-
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
-
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
-
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
-
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
-
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
-
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
-
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
-
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
-
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
-
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
-
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
-
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
- java.lang.Thread.run(Thread.java:595)

Tapestry Framework

Re: How do you pass a context to PageTester?

2009-11-08T11:01:46Z

I'd like to know how to do this too. Basically, I'm looking to invoke a page and pass it a request parameter. Is this possible?

Thanks,

Matt

Mats Henricson-2 wrote:

Hi!

Since Testify isn't working for me, I thought I'd look at
this page:

http://tapestry.apache.org/tapestry5.1/guide/unit-testing-pages.html

It has this example:

PageTester tester = new PageTester(appPackage, appName, "...");
Object[] context = new Object[]{ "abc", 123 };
Document doc = tester.invoke(new ComponentInvocation(
new PageLinkTarget("MyPage"), context));

Unfortunately I can't find a PageTester.invoke() function
in T5.1. There isn't a ComponentInvocation class either.

So, how IS this supposed to work? And what exactly IS that
context? Is it possible to override the @Injected services
with mock services into my page this way?

Mats

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Re: Good news about Tapestry 5 in Google App Engine

2009-11-08T09:52:20Z

Well, it took me longer than I wanted, but the patch has been applied.
Thanks again.

--
Kevin

On Thu, Oct 29, 2009 at 8:47 AM, Kevin Menard <nirvdrum@...> wrote:

> Thanks for opening TAP5-913, Dmitry. I'll try to apply this tonight.
> Unfortunately the test system for Tapestry doesn't work for Snow
> Leopard, so I have to run in a VM to verify everything is passing.
>
> --
> Kevin
>
>
>
> On Wed, Oct 28, 2009 at 7:31 AM, Dmitry Gusev <dmitry.gusev@...> wrote:
>> I've made a Pull request on github with fixes for java.lang.VerifyError.
>>
>> Here's the commit details:
>>
>> http://github.com/dmitrygusev/tapestry5/commit/35197745d13ffed1fb89d730dbc85f750bf50bb0
>>
>>
>> On Mon, Sep 14, 2009 at 07:14, Alex Kotchnev <akochnev@...> wrote:
>>
>>> A follow up question to the committers on this : Is Jun's approach below
>>> something acceptable to do in the meantime ? I was trying to deploy a test
>>> 5.1 app to GAE and I ran into the same issue. As he indicated these methods
>>> had emtpy try-catch blocks, removing which is supposed to resolve the
>>> issue.
>>> THe part that worries me are the magical $ANTLR comments that I think can
>>> somehow be used by ANTLR. Any tips ?
>>>
>>> Cheers,
>>>
>>> Alex K
>>>
>>> On Fri, Sep 4, 2009 at 3:50 AM, Jun Tsai <jun.tsai@...> wrote:
>>>
>>> > I had manually fixed the problem.Remove some empty method body in
>>> > PropertyExpressionLexer.java maked by antlr.
>>> > // $ANTLR start "INTEGER"
>>> > public final void mINTEGER() throws RecognitionException {
>>> > }
>>> > // $ANTLR end "INTEGER"
>>> >
>>> > // $ANTLR start "DEREF"
>>> > public final void mDEREF() throws RecognitionException {
>>> > }
>>> > // $ANTLR end "DEREF"
>>> >
>>> > // $ANTLR start "RANGEOP"
>>> > public final void mRANGEOP() throws RecognitionException {
>>> > }
>>> > // $ANTLR end "RANGEOP"
>>> >
>>> > // $ANTLR start "DECIMAL"
>>> > public final void mDECIMAL() throws RecognitionException {
>>> > }
>>> >
>>> >
>>> > and repacked. It works fine.
>>> >
>>> >
>>> >
>>> > 2009/9/4 Jun Tsai <jun.tsai@...>
>>> >
>>> > > The ticket had been fixed.I had tested on GAE using 1.2.5 SDK. But when
>>> I
>>> > > write simple pagelink <t:pagelink page="about"> about</t:pagelink>
>>> ,some
>>> > > exception thrown.
>>> > >
>>> > > java.lang.VerifyError: (class:
>>> > org/apache/tapestry5/internal/antlr/PropertyExpressionLexer, method:
>>> > mRANGEOP signature: ()V) Stack size too large
>>> > > at
>>> >
>>> org.apache.tapestry5.internal.services.PropertyConduitSourceImpl.parse(PropertyConduitSourceImpl.java:1229)
>>> > > at
>>> >
>>> org.apache.tapestry5.internal.services.PropertyConduitSourceImpl.build(PropertyConduitSourceImpl.java:1124)
>>> > > at
>>> >
>>> org.apache.tapestry5.internal.services.PropertyConduitSourceImpl.create(PropertyConduitSourceImpl.java:1080)
>>> > >
>>> > >
>>> > > Who can give me an idea about the exception.
>>> > >
>>> > > thanks.
>>> > >
>>> > >
>>> > > 2009/9/4 Thiago H. de Paula Figueiredo <thiagohp@...>
>>> > >
>>> > > ------- Mensagem encaminhada -------
>>> > >> De: codesite-noreply@...
>>> > >> Assunto: Issue 1277 in googleappengine: Add javax.xml.stream to
>>> > whitelist
>>> > >> Data: Thu, 03 Sep 2009 19:34:42 -0300
>>> > >>
>>> > >> Updates:
>>> > >> Status: Fixed
>>> > >> Labels: Version-1.2.5
>>> > >>
>>> > >> Comment #12 on issue 1277 by sly...@...: Add javax.xml.stream
>>> to
>>> > >> whitelist
>>> > >> http://code.google.com/p/googleappengine/issues/detail?id=1277
>>> > >>
>>> > >> This has been fixed in the 1.2.5 release.
>>> > >>
>>> > >> http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes
>>> > >>
>>> > >> "Support for the Stax API, javax.xml.stream. You can now use both the
>>> > >> JDK's Stax parser as well as third-party Stax libraries like
>>> Woodstox."
>>> > >>
>>> > >> Can anyone confirm that a vanilla Tapestry 5.1.0.5 works in GAE now?
>>> > >>
>>> > >> --
>>> > >> Thiago H. de Paula Figueiredo
>>> > >> Independent Java consultant, developer, and instructor
>>> > >> http://www.arsmachina.com.br/thiago
>>> > >>
>>> > >> ---------------------------------------------------------------------
>>> > >> To unsubscribe, e-mail: users-unsubscribe@...
>>> > >> For additional commands, e-mail: users-help@...
>>> > >>
>>> > >>
>>> > >
>>> > >
>>> > > --
>>> > > regards,
>>> > > Jun Tsai
>>> > >
>>> >
>>> >
>>> >
>>> > --
>>> > regards,
>>> > Jun Tsai
>>> >
>>>
>>
>>
>>
>> --
>> Dmitry Gusev
>>
>> AnjLab Team
>> http://anjlab.com
>>
>

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Re: Suggestion for instance-based authorization?

2009-11-08T09:07:39Z

Em Sun, 08 Nov 2009 14:22:46 -0200, Vjeran Marcinko
<vjeran.marcinko@...> escreveu:

> Hello all,

Hi!

> I have a T5 app that have typical security restriction to some pages
> based on role, but also based on domain-specific instances that can be
> resolved from request parameters.

I implemented by inside my Tapestry CRUD
(http://www.arsmachina.com.br/project/tapestrycrud) package in its 1.1
branch). Warning: very outdated documentation. Every attempt to view,
edit, remove or list objects is checked against an authorization service
(from my Generic Authorization Package, used in production but not
released yet).

--
Thiago H. de Paula Figueiredo
Independent Java, Apache Tapestry 5 and Hibernate consultant, developer,
and instructor
Owner, software architect and developer, Ars Machina Tecnologia da
Informação Ltda.
http://www.arsmachina.com.br

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Re: [Tapestry Central] Next Steps for Tapestry

2009-11-08T08:41:27Z

Igor : just an idea on the translation front. I know that the NetBeans
community already did two "community translated" books from German, so it
might be interesting if the same model is possible in the Tapestry
community. I think it was mostly a volunteer effort but it got two NetBeans
RCP books translated in no time. In other words, if there are half a dozen
to a dozen people in the community who know both German and English and are
willing to translate a chapter or two, then the publisher only needs an
editor to verify that the translation is good - much less effort on their
part, much faster to get the books selling in English speaking countries,
much faster way to get the books into the community.

On my part, although I can't offer any skills in doing the actual
translation, I can offer some of my time to proof read chapters that are
already translated. Luckily, code (usually) doesn't need much translating.

Cheers,

Alex K

On Sun, Nov 8, 2009 at 10:55 AM, Igor Drobiazko <igor.drobiazko@...>wrote:

> Well, I think you should do what you feel is best for you right now. If you
> need a timeout from coding then write a book. If you feel a book will take
> too much of your time then code again. I'm still hoping my publisher will
> translate my book. So maybe there will be an english book even if you
> decide
> not to write one. I asked the published several times but didn't get any
> feedback yet. I suppose they are not ready to make a decision right now.
>
> However, if you need some co-authors I'm ready. Not sure I'm allowed to but
> I can check it. I remember some clause in my contract about writing
> competing books.
>
> Don't get me wrong but a 5.2.0.0 release without any single commit of
> Howard
> would be something awful. :)
> It would be a historical event and the final prove that Tapestry is no
> longer a one men show. We have 29 fixed issues in current 5.2 trunk. The
> both most popular issues will be fixed in the next days. I'm on the verge
> of
> committing fix for http://issues.apache.org/jira/browse/TAP5-138 . Robert
> was going to provide a fix for
> https://issues.apache.org/jira/browse/TAP5-815 this weekend. JSR 303
> support
> is almost there.
>
> On Sat, Nov 7, 2009 at 7:11 PM, Howard <hlship@...> wrote:
>
> > I've been consciously letting Tapestry 5.1 sit and stabilize for a
> > while ... a time that's stretched a few months longer than I initially
> > intended.
> > This is due to a number of factors: my return to independent
> > consulting, my desire to write a definitive Tapestry 5 book, and
> > preparations for many trips and speaking engagements.
> > All of these factors have worked on each other: I've been improving and
> > extending my Tapestry Workshop training materials which can be quite
> > time consuming. I've also (over the last several months) been on the
> > road several times, talking about Tapestry or doing Tapestry training.
> > I do want to write a book on Tapestry but if I start writing 5.2 code,
> > I know I'll be sucked right in ... lots of code (that darn Spring Web
> > Flow integration for sure this time) and bug fixes.
> > In addition, I've had an embarassment of riches: two main clients, one
> > regular part time, and the other requesting (but not always getting)
> > all my remaining time. I also have additional clients and training
> > engagements waiting in the wings. I simply have a lot of draws on my
> > time.
> > As usual, working on real-world projects lets me experience the "rough
> > edges" of Tapestry and fills me with ideas on how to address those in
> > the next release ... often by splitting up Tapestry services into
> > smaller, more easily overridden chunks and carefully moving internal
> > services out into the public APIs.
> > Finally, I've been very pleased by the fact that as I've stepped back
> > temporarily from my normal stream of commits, the other Tapestry
> > developers have stepped in and filled the gap. There's been quite a bit
> > of activity especially from Igor that I've barely had a chance to keep
> > up on.
> > So the question is: do I wait and see if time opens up in Q1 to
> > actually start on a T5 book ... or do I jump into 5.2 coding and leave
> > books to others? It's much, much easier to write code than to write a
> > book ... a book is a large amount of concentrated effort. It's very
> > hard to accomplish anything on a book using an hour here or an evening
> > there ... whereas Tapestry's code base lends itself to that kind of
> > effort quite nicely.
> >
> > --
> > Posted By Howard to Tapestry Central at 11/07/2009 10:11:00 AM
>
>
>
>
> --
> Best regards,
>
> Igor Drobiazko
>

Suggestion for instance-based authorization?

2009-11-08T08:22:46Z

Hello all,

I have a T5 app that have typical security restriction to some pages based
on role, but also based on domain-specific instances that can be resolved
from request parameters.

For example, request to web page ShowDocument that accepts "documentID" as
parameter can be allowed only to users with ROOT role, or user with CUSTOMER
role *only if it is THE customer who created this document*, meaning, I have
to resolve document's customer and compare it to logged in user inside
HttpSession to check if he's authorized.

Since page-specific request parameters are set inside each T5 page via
"activate" event, the only time to perform authorization would be after
that. It would be best if there can be some new event plugged in request
pipeline, that would be fired right after "activate" event, and where I
could perform some page-specific authorization, and return login page if not
authorized. Is this possible to do now somehow?

Or some other suggestion?

BR,
Vjeran

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Re: [Tapestry Central] Next Steps for Tapestry

2009-11-08T07:55:45Z

Well, I think you should do what you feel is best for you right now. If you
need a timeout from coding then write a book. If you feel a book will take
too much of your time then code again. I'm still hoping my publisher will
translate my book. So maybe there will be an english book even if you decide
not to write one. I asked the published several times but didn't get any
feedback yet. I suppose they are not ready to make a decision right now.

However, if you need some co-authors I'm ready. Not sure I'm allowed to but
I can check it. I remember some clause in my contract about writing
competing books.

Don't get me wrong but a 5.2.0.0 release without any single commit of Howard
would be something awful. :)
It would be a historical event and the final prove that Tapestry is no
longer a one men show. We have 29 fixed issues in current 5.2 trunk. The
both most popular issues will be fixed in the next days. I'm on the verge of
committing fix for http://issues.apache.org/jira/browse/TAP5-138 . Robert
was going to provide a fix for
https://issues.apache.org/jira/browse/TAP5-815 this weekend. JSR 303 support
is almost there.

On Sat, Nov 7, 2009 at 7:11 PM, Howard <hlship@...> wrote:

> I've been consciously letting Tapestry 5.1 sit and stabilize for a
> while ... a time that's stretched a few months longer than I initially
> intended.
> This is due to a number of factors: my return to independent
> consulting, my desire to write a definitive Tapestry 5 book, and
> preparations for many trips and speaking engagements.
> All of these factors have worked on each other: I've been improving and
> extending my Tapestry Workshop training materials which can be quite
> time consuming. I've also (over the last several months) been on the
> road several times, talking about Tapestry or doing Tapestry training.
> I do want to write a book on Tapestry but if I start writing 5.2 code,
> I know I'll be sucked right in ... lots of code (that darn Spring Web
> Flow integration for sure this time) and bug fixes.
> In addition, I've had an embarassment of riches: two main clients, one
> regular part time, and the other requesting (but not always getting)
> all my remaining time. I also have additional clients and training
> engagements waiting in the wings. I simply have a lot of draws on my
> time.
> As usual, working on real-world projects lets me experience the "rough
> edges" of Tapestry and fills me with ideas on how to address those in
> the next release ... often by splitting up Tapestry services into
> smaller, more easily overridden chunks and carefully moving internal
> services out into the public APIs.
> Finally, I've been very pleased by the fact that as I've stepped back
> temporarily from my normal stream of commits, the other Tapestry
> developers have stepped in and filled the gap. There's been quite a bit
> of activity especially from Igor that I've barely had a chance to keep
> up on.
> So the question is: do I wait and see if time opens up in Q1 to
> actually start on a T5 book ... or do I jump into 5.2 coding and leave
> books to others? It's much, much easier to write code than to write a
> book ... a book is a large amount of concentrated effort. It's very
> hard to accomplish anything on a book using an hour here or an evening
> there ... whereas Tapestry's code base lends itself to that kind of
> effort quite nicely.
>
> --
> Posted By Howard to Tapestry Central at 11/07/2009 10:11:00 AM

--
Best regards,

Igor Drobiazko

Re: Adding XML process-instruction to tml

2009-11-08T07:54:51Z

A component could do this, by outputting the <?xml-stylesheet> tag
using markupWriter.writeRaw().

On Sun, Nov 8, 2009 at 4:04 AM, Alfie Kirkpatrick
<Alfie.Kirkpatrick@...> wrote:

> Hi, I would like to add a PI for xml-stylesheet to some of my pure XML
> pages, eg. in the tml...
>
>
>
> <?xml version="1.0" encoding="UTF-8"?>
>
> <?xml-stylesheet type="text/xsl" href="/aggregator/stylesheet.xsl"?>
>
> <rdf:RDF ...
>
>
>
> Tapestry (5.1.0.5) complains that PROCESSING_INSTRUCTION is
> unrecognised.
>
>
>
> Is there a simple workaround for this?
>
>
>
> Thanks, Alfie.
>
>
>
>

--
Howard M. Lewis Ship

Creator of Apache Tapestry

The source for Tapestry training, mentoring and support. Contact me to
learn how I can get you up and productive in Tapestry fast!

(971) 678-5210
http://howardlewisship.com

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Re: GAE and Tapestry5 integration

2009-11-08T06:53:39Z

Here's some examples:

*ping-service\src\META-INF\persistence.xml:*
<?xml version="1.0" encoding="UTF-8" ?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
version="1.0">

<persistence-unit name="transactions-optional">

<provider>org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider</provider>
<properties>
<property name="datanucleus.NontransactionalRead" value="true"/>
<property name="datanucleus.NontransactionalWrite"
value="true"/>
<property name="datanucleus.ConnectionURL" value="appengine"/>
</properties>
</persistence-unit>

</persistence>

*ping-service\war\WEB-INF\applicationContext.xml:*

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
">

<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="*" propagation="REQUIRES_NEW" />
</tx:attributes>
</tx:advice>

<aop:config>
<aop:pointcut id="daoOperations"
expression="execution(* dmitrygusev.ping.services.dao.*.*(..))"
/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="daoOperations" />
</aop:config>

<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean"
lazy-init="true">
<property name="persistenceUnitName" value="transactions-optional"
/>
</bean>

<bean name="txManager"
class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>

<context:annotation-config/>

<bean name="jobsDAO"
class="dmitrygusev.ping.services.dao.impl.JobDAOImpl"/>
<bean name="refDAO"
class="dmitrygusev.ping.services.dao.impl.RefDAOImpl"/>
<bean name="accountDAO"
class="dmitrygusev.ping.services.dao.impl.AccountDAOImpl"/>
<bean name="scheduleDAO"
class="dmitrygusev.ping.services.dao.impl.ScheduleDAOImpl"/>
<bean name="jobResultDAO"
class="dmitrygusev.ping.services.dao.impl.JobResultDAOImpl"/>

</beans>

*ping-service\src\dmitrygusev\ping\services\dao\ScheduleDAO.java :*
package dmitrygusev.ping.services.dao;

import com.google.appengine.api.datastore.Key;

import dmitrygusev.ping.entities.Schedule;

public interface ScheduleDAO {

public abstract void update(Schedule schedule);

public abstract void delete(Long id);

public abstract Schedule createSchedule(String name);

public abstract Schedule find(Key scheduleKey);

}

*ping-service\src\dmitrygusev\ping\services\dao\impl\ScheduleDAOImpl.java :*
package dmitrygusev.ping.services.dao.impl;

import static com.google.appengine.api.datastore.KeyFactory.createKey;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import com.google.appengine.api.datastore.Key;

import dmitrygusev.ping.entities.Schedule;
import dmitrygusev.ping.services.dao.ScheduleDAO;

public class ScheduleDAOImpl implements ScheduleDAO {

@PersistenceContext
private EntityManager em;

public Schedule createSchedule(String name) {
Schedule schedule = new Schedule();
schedule.setName(name);

em.persist(schedule);

return schedule;
}

@Override
public void update(Schedule schedule) {
em.merge(schedule);
}

@Override
public void delete(Long id) {
Schedule schedule = find(createKey(Schedule.class.getSimpleName(),
id));
em.remove(schedule);
}

@Override
public Schedule find(Key scheduleKey) {
return em.find(Schedule.class, scheduleKey);
}
}

*Then inject ScheduleDAO in your page class using T5's @Inject annotation
and use it.*

On Sun, Nov 8, 2009 at 17:46, Dmitry Gusev <dmitry.gusev@...> wrote:

> Tapestry 5.1 should run on GAE 1.2.6(7) as is.
>
> I used T5.1 w/ Spring/JPA on GAE and didn't get any troubles at the cloud
> except some issues on development machine:
>
>
> http://dmitrygusev.blogspot.com/2009/10/develope-java-applications-with-gae-sdk.html
>
> http://dmitrygusev.blogspot.com/2009/08/turn-java-security-manager-off-in.html
>
>
>
> On Sun, Nov 8, 2009 at 16:51, sodium <sodium78@...> wrote:
>
>>
>> Hi,
>>
>> I have been using Tapestry5 for few of my projects and loving it, but i am
>> thinking of integrating it in Google App Engine.
>> As for Tapestry 5.0.18, i have managed to run it without jpa support by
>> following an example of
>>
>> http://old.nabble.com/SUCCESSFULL-deploy-Tapestry5-on-google-appengine-ts23018048.html
>>
>> http://old.nabble.com/SUCCESSFULL-deploy-Tapestry5-on-google-appengine-ts23018048.html
>>
>> For Tapestry5.1, i still very confused about
>>
>> http://old.nabble.com/Tapestry-5.1-running-in-Google-App-Engine-%28GAE%29-tp24923950p24927028.html
>>
>> http://old.nabble.com/Tapestry-5.1-running-in-Google-App-Engine-%28GAE%29-tp24923950p24927028.html
>>
>> Actually my biggest concern is using jpa in GAE with Tapestry5, can anyone
>> provide some clues on how to go about integrating Tap5 with jpa for GAE ?
>> If
>> someone can provide a sample project for GAE(1.2.6) Tapestry5(hopefully
>> 5.1)
>> integration with jpa support, i will definitely bow down to u like a
>> slave.
>> Been scratching my head so hard that my hair is starting to fall...
>>
>> I tried integration Tapestry 5.0.18 with guice2 for jpa support from
>>
>> http://old.nabble.com/Integration-of-T5-with-the-domain-model-ts9953748s302.html
>>
>> http://old.nabble.com/Integration-of-T5-with-the-domain-model-ts9953748s302.html
>> but the EntityManager keep returning null. Sigh..
>>
>> Any pointers and advice is very much appreciated.
>>
>> --
>> View this message in context:
>> http://old.nabble.com/GAE-and-Tapestry5-integration-tp26253952p26253952.html
>> Sent from the Tapestry - User mailing list archive at Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@...
>> For additional commands, e-mail: users-help@...
>>
>>
>
>
> --
> Dmitry Gusev
>
> AnjLab Team
> http://anjlab.com
>

--
Dmitry Gusev

AnjLab Team
http://anjlab.com

Re: GAE and Tapestry5 integration

2009-11-08T06:46:19Z

Tapestry 5.1 should run on GAE 1.2.6(7) as is.

I used T5.1 w/ Spring/JPA on GAE and didn't get any troubles at the cloud
except some issues on development machine:

http://dmitrygusev.blogspot.com/2009/10/develope-java-applications-with-gae-sdk.html
http://dmitrygusev.blogspot.com/2009/08/turn-java-security-manager-off-in.html

On Sun, Nov 8, 2009 at 16:51, sodium <sodium78@...> wrote:

>
> Hi,
>
> I have been using Tapestry5 for few of my projects and loving it, but i am
> thinking of integrating it in Google App Engine.
> As for Tapestry 5.0.18, i have managed to run it without jpa support by
> following an example of
>
> http://old.nabble.com/SUCCESSFULL-deploy-Tapestry5-on-google-appengine-ts23018048.html
>
> http://old.nabble.com/SUCCESSFULL-deploy-Tapestry5-on-google-appengine-ts23018048.html
>
> For Tapestry5.1, i still very confused about
>
> http://old.nabble.com/Tapestry-5.1-running-in-Google-App-Engine-%28GAE%29-tp24923950p24927028.html
>
> http://old.nabble.com/Tapestry-5.1-running-in-Google-App-Engine-%28GAE%29-tp24923950p24927028.html
>
> Actually my biggest concern is using jpa in GAE with Tapestry5, can anyone
> provide some clues on how to go about integrating Tap5 with jpa for GAE ?
> If
> someone can provide a sample project for GAE(1.2.6) Tapestry5(hopefully
> 5.1)
> integration with jpa support, i will definitely bow down to u like a slave.
> Been scratching my head so hard that my hair is starting to fall...
>
> I tried integration Tapestry 5.0.18 with guice2 for jpa support from
>
> http://old.nabble.com/Integration-of-T5-with-the-domain-model-ts9953748s302.html
>
> http://old.nabble.com/Integration-of-T5-with-the-domain-model-ts9953748s302.html
> but the EntityManager keep returning null. Sigh..
>
> Any pointers and advice is very much appreciated.
>
> --
> View this message in context:
> http://old.nabble.com/GAE-and-Tapestry5-integration-tp26253952p26253952.html
> Sent from the Tapestry - User mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@...
> For additional commands, e-mail: users-help@...
>
>

--
Dmitry Gusev

AnjLab Team
http://anjlab.com

Re: [Tapestry Central] Next Steps for Tapestry

2009-11-08T06:01:34Z

Couldn't it be a hybrid approach? One day or week coding Tapestry, then
the next writing the book?

By the way, I'd love write a Tapestry book. One company here at Belo
Horizonte, Brazil has just contracted me to have both introductory and
advanced Tapestry courses. My plans are to write the textbooks with the
target of being transformed in a book later, first in Portuguese, then
translated to English. The more Tapestry books, the better.

--
Thiago H. de Paula Figueiredo
Independent Java, Apache Tapestry 5 and Hibernate consultant, developer,
and instructor
Owner, software architect and developer, Ars Machina Tecnologia da
Informação Ltda.
http://www.arsmachina.com.br

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GAE and Tapestry5 integration

2009-11-08T05:51:42Z

Hi,

I have been using Tapestry5 for few of my projects and loving it, but i am thinking of integrating it in Google App Engine.
As for Tapestry 5.0.18, i have managed to run it without jpa support by following an example of http://old.nabble.com/SUCCESSFULL-deploy-Tapestry5-on-google-appengine-ts23018048.html

For Tapestry5.1, i still very confused about http://old.nabble.com/Tapestry-5.1-running-in-Google-App-Engine-%28GAE%29-tp24923950p24927028.html

Actually my biggest concern is using jpa in GAE with Tapestry5, can anyone provide some clues on how to go about integrating Tap5 with jpa for GAE ? If someone can provide a sample project for GAE(1.2.6) Tapestry5(hopefully 5.1) integration with jpa support, i will definitely bow down to u like a slave. Been scratching my head so hard that my hair is starting to fall...

I tried integration Tapestry 5.0.18 with guice2 for jpa support from http://old.nabble.com/Integration-of-T5-with-the-domain-model-ts9953748s302.html but the EntityManager keep returning null. Sigh..

Any pointers and advice is very much appreciated.

Re: i18n overhead

2009-11-08T05:29:42Z

Em Sun, 08 Nov 2009 11:20:48 -0200, Melidramo <a5@...> escreveu:

>> Why so many property files? Just curious. :)
> This is a big project...

:)

>> What exact version? 5.1.05? 5.0.18?
> 5.0.18

There are some changes between 5.0.18 to 5.1.0.5 that can affect
performance.

> Is your question an incentive to migrate to 5.1?

Regardless of performance issues, I think it's a good thing to do.

--
Thiago H. de Paula Figueiredo
Independent Java, Apache Tapestry 5 and Hibernate consultant, developer,
and instructor
Owner, software architect and developer, Ars Machina Tecnologia da
Informação Ltda.
http://www.arsmachina.com.br

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Re: i18n overhead

2009-11-08T05:20:48Z

> Why so many property files? Just curious. :)

This is a big project...

> What exact version? 5.1.05? 5.0.18?

5.0.18

Is your question an incentive to migrate to 5.1?

Re: i18n overhead

2009-11-08T05:16:28Z

Em Sun, 08 Nov 2009 07:57:11 -0200, Melidramo <a5@...> escreveu:

> We have about 200 properties files and 200 templates files.

Why so many property files? Just curious. :)

> We are using the version 5.

What exact version? 5.1.05? 5.0.18?

--
Thiago H. de Paula Figueiredo
Independent Java, Apache Tapestry 5 and Hibernate consultant, developer,
and instructor
Owner, software architect and developer, Ars Machina Tecnologia da
Informação Ltda.
http://www.arsmachina.com.br

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Adding XML process-instruction to tml

2009-11-08T04:04:12Z

Hi, I would like to add a PI for xml-stylesheet to some of my pure XML
pages, eg. in the tml...

<?xml version="1.0" encoding="UTF-8"?>

<?xml-stylesheet type="text/xsl" href="/aggregator/stylesheet.xsl"?>

<rdf:RDF ...

Tapestry (5.1.0.5) complains that PROCESSING_INSTRUCTION is
unrecognised.

Is there a simple workaround for this?

Thanks, Alfie.

Re: [Tapestry Central] Next Steps for Tapestry

2009-11-08T03:48:00Z

Howard:

I agree with the posters that say "refine your code-base" as priority one, and I agree that writing the book is a very close priority two. So the question isn't really which should you do, as both are crucial to Tapestry the product and it's community of users.

The problem is how best to leverage your knowledge. You must delegate and direct, or you become Tapestry's main growth bottleneck. You already know this, of course, so the question is "how do I leverage me"?

Number one: find a book author that knows almost as much as you do. Maybe Igor's that person, since he both knows the product (I guess; haven't read his book) and has written a book. The question then is incentives. Writing a book is tough, and Tapestry's market is narrower (but not for long!) than other possible uses of book-writers' time. What can you do to make it economically worthwhile for that book-writer, or an existing book-writer's publisher, to write another? My next phone call would be to Igor's publisher, and say "Hey, you guys just wrote a book for the German market. You already sunk all those costs, now why not make a lot more revenue from your investment? How would you like to do a good translation, and sell into the vastly larger English market (~80Mil audience .vs. 500Mil)?" Tapestry is used in Europe, U.S., English-speaking Asia, Australia, U.K, etc

Find out if that publisher's ready to expand into U.S. - that may be on their mind. Also, see about electronic publishing instead of hard-bound. I bought an e-book on Tapestry a while back, and it was pretty helpful. I'd do it again in a heartbeat. That'll reduce the publisher's risk a LOT. Also, there's a good UK publisher that does e-books already, and does it well. I bought a Lucene book that way not long ago, and would use them again in a heartbeat. Think "reduced publisher risk", and "I.T. users are ideal e-book buyers".

Next: Think about the steps that the SpringSource people went through as they spun up their business. They added a consulting arm, and that generated enough revenue to do documentation - hiring a full-timer to do it right, did a really strong online reference, etc.

Consulting is an excellent revenue-producer. Can you replicate you in that capacity also? Would you want to? How do you see "growth" and "managing" stuff? Some people (very logically) run screaming from the room if the subject's brought up ;)

Another idea: ask your contributors here at the forum to consider writing documentation modules. Consider an annual subscription fee of $20-50 to be a member of a support system that has a bunch of contributed modules. Pro-rata distribute the subscription fee to the modules-writers based on hits. There are a number of people here that are capable, and if you provided the incentive...they might do it. If you can provide the money-channel and the set of next-most-needed topics, I bet you might find some takers.

The problem is centrally a one of incentives for the right people to step up and do the work. Why would someone want to write documentation? Credit, money, resume-stuffer, book-deal...what? OK, now find a way to get them what they want in order to remove info-flow bottlenecks that are impeding Tapestry's growth.

You may also consider moving away from the book format altogether and concentrate your writing onto your website. Make it a knowledge vending machine. Ask your forum of smart people this question:

"If I was to design a self-sustaining, revenue-producing mechanism that produced great on-line doc for Tapestry, leveraged all you brilliant people, and made it worth your while to do it, what would that design be like?"

I think the key is to leverage existing Tapestry knowledge, especially yours. How can that knowledge be replicated, extended, sub-classed...? How can the knowledge of your many very talented forum posters be captured, replicated, distributed...?

Good luck. We all wish for your continued success. I'll be in your neck of the woods 2nd week of Dec if you want to meet for a cuppa joe and discuss it further.

Re: [Tapestry Central] Next Steps for Tapestry

2009-11-08T03:34:27Z

I understand that book would be valuable addition to Tapestry, but I would
also prefer you to spend your time doing the coding, and if I may add, not
so much on new features (like Spring Web Flow), but more on improving
already present ideas since there are many places for improvement. One thing
that comes to my mind is - various ways of passing parameters between pages
(for example for search form criteria etc..), Javascript support that you
mentioned, etc... These things are pretty much needed in every web app out
there.

I just converted my first T4 app to T5, and although it was generaly better
experience, I have found few places where things became harder that it was
before, for eg - no properly working submit button context, no easy option
to turn of sorting in grids, and similar bits and pieces...

Regards,
Vjeran

----- Original Message -----
From: "Howard" <hlship@...>
To: <users@...>
Sent: Saturday, November 07, 2009 7:11 PM
Subject: [Tapestry Central] Next Steps for Tapestry

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i18n overhead

2009-11-08T01:57:11Z

We have about 200 properties files and 200 templates files.

Adding a language (+400 files) to the project had seemingly a huge impact on the performance - to start the server at least - I'd say 50% more time required.

Is there any performance impact based on the number of languages or prop/tml files?
If so, is there a way (via some calls or files arrangement or...?) to optimize the multi-language functionality?

We are using the version 5.

Re: [Tapestry Central] Next Steps for Tapestry

2009-11-08T01:50:53Z

Howard, why don't collaborate with Igor to have the book in Engllish?
Instead of starting a new project for it you can try to have Igor book
as a starting point or even better a final point and only have to
translate a commonly reviewed version and publish it together .

I understand you want to have T5 up to date against the competition but
really the book is mandatory if you want to have people to use it
consciously and having it only in German means to exclude the great
majority of the web developers.

If you go ahead with it I could help in reviewing it and I also suggest
you try to use some list members as an help, like it was made for the
web site.

cuartz ha scritto:

> I think both are necessary to make tapestry more popular, but i think would
> be better if you work on code, tapestry is already known by a lot of people,
> i’m a 24 years old Mexican and in my 3 years of experience i already have
> been part of 2 tapestry 5 big projects, the first last 10 months and i’m
> working on the second project 3 months ago, and today when there is a
> discussion of which framework to use at the start of a project, tapestry 5
> is consider, so now there is a matter of which framework is better, i know
> this from myself and from the developers i know.
> Also the book can be written by other people but you are the only one who
> can work in the code.
> i think that any improvement you maid (faster requests or richer web apps)
> is going to be great and i can’t wait to see it.
> cheers and sorry for my bad english.
>
>
> -----
> Carlos Araham U. Bayona Smythe.
>

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Sede Operativa
Via Gereschi 36 - 56126- Pisa
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tel/fax: +39-050-9711344
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Re: Accessing autoconnect-parameter by reference, not by value

2009-11-07T22:55:25Z

Hmm... Seems like autoconnect does not work for me as I expect.

I checked in setupRender() inside EditorComponent and found that
'entity' is null, while Page.setupRender() assigns new value to its
same named property.

What am I doing wrong?

On Sat, Nov 7, 2009 at 7:50 PM, Alexey Hanin <gagarin61@...> wrote:

> Hello,
>
> Recently I found that autoconnect-parameters are being copied instead
> of being set as reference to parent parameter.
>
> What I want is to implement various editor-components containing
> BeanEditForm accessing parent property.
>
> class Page {
>
> @Property
> private EntityObject entity;
>
> void onSuccess() {
> // save entity here
> }
>
> }
>
> class EditorComponent {
>
> @Property
> @Parameter(autoconnect = true)
> private EntityObject entity;
>
> }
>
> Which way do I have to start to dig to?
>
> Alexey.
>

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Re: [Tapestry Central] Next Steps for Tapestry

2009-11-07T22:40:41Z

Carl Crowder schrieb:
> Agreed: the main thing Tapestry is lacking is a book that explains not
> just the basics but also concepts that it takes months of working with
> Tapestry to discover. Things like shadow builders and so on. I don't
> care who writes one as long as there's a definitive guide!
+1

Michael Gerzabek

>
> jose luis sanchez wrote:
>> Book ! Book ! Book !
>>
>> El 07/11/2009, a las 19:11, Howard escribió:
>>
>>> I've been consciously letting Tapestry 5.1 sit and stabilize for a
>>> while ... a time that's stretched a few months longer than I initially
>>> intended.
>>> This is due to a number of factors: my return to independent
>>> consulting, my desire to write a definitive Tapestry 5 book, and
>>> preparations for many trips and speaking engagements.
>>> All of these factors have worked on each other: I've been improving and
>>> extending my Tapestry Workshop training materials which can be quite
>>> time consuming. I've also (over the last several months) been on the
>>> road several times, talking about Tapestry or doing Tapestry training.
>>> I do want to write a book on Tapestry but if I start writing 5.2 code,
>>> I know I'll be sucked right in ... lots of code (that darn Spring Web
>>> Flow integration for sure this time) and bug fixes.
>>> In addition, I've had an embarassment of riches: two main clients, one
>>> regular part time, and the other requesting (but not always getting)
>>> all my remaining time. I also have additional clients and training
>>> engagements waiting in the wings. I simply have a lot of draws on my
>>> time.
>>> As usual, working on real-world projects lets me experience the "rough
>>> edges" of Tapestry and fills me with ideas on how to address those in
>>> the next release ... often by splitting up Tapestry services into
>>> smaller, more easily overridden chunks and carefully moving internal
>>> services out into the public APIs.
>>> Finally, I've been very pleased by the fact that as I've stepped back
>>> temporarily from my normal stream of commits, the other Tapestry
>>> developers have stepped in and filled the gap. There's been quite a bit
>>> of activity especially from Igor that I've barely had a chance to keep
>>> up on.
>>> So the question is: do I wait and see if time opens up in Q1 to
>>> actually start on a T5 book ... or do I jump into 5.2 coding and leave
>>> books to others? It's much, much easier to write code than to write a
>>> book ... a book is a large amount of concentrated effort. It's very
>>> hard to accomplish anything on a book using an hour here or an evening
>>> there ... whereas Tapestry's code base lends itself to that kind of
>>> effort quite nicely.
>>>
>>> --
>>> Posted By Howard to Tapestry Central at 11/07/2009 10:11:00 AM
>>
>>
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michaelgerzabek.com® - Business The Artist's Way

Re: [Tapestry Central] Next Steps for Tapestry

2009-11-07T22:33:25Z

I think both are necessary to make tapestry more popular, but i think would be better if you work on code, tapestry is already known by a lot of people, i’m a 24 years old Mexican and in my 3 years of experience i already have been part of 2 tapestry 5 big projects, the first last 10 months and i’m working on the second project 3 months ago, and today when there is a discussion of which framework to use at the start of a project, tapestry 5 is consider, so now there is a matter of which framework is better, i know this from myself and from the developers i know.
Also the book can be written by other people but you are the only one who can work in the code.
i think that any improvement you maid (faster requests or richer web apps) is going to be great and i can’t wait to see it.
cheers and sorry for my bad english.

Carlos Araham U. Bayona Smythe.

Re: [Tapestry Central] Next Steps for Tapestry

2009-11-07T14:13:41Z

> So the question is: do I wait and see if time opens up in Q1 to
> actually start on a T5 book ... or do I jump into 5.2 coding and leave
> books to others?

+1 for coding, as there already is a very good book available (written by
Igor). Why do it twice - what's lacking is just an english translation.

Piero

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Re: [Tapestry Central] Next Steps for Tapestry

2009-11-07T14:04:52Z

+1 "Bible" Book :-)

Antonio

Carl Crowder escribió:

> Agreed: the main thing Tapestry is lacking is a book that explains not
> just the basics but also concepts that it takes months of working with
> Tapestry to discover. Things like shadow builders and so on. I don't
> care who writes one as long as there's a definitive guide!
>
> jose luis sanchez wrote:
>> Book ! Book ! Book !
>>
>> El 07/11/2009, a las 19:11, Howard escribió:
>>
>>> I've been consciously letting Tapestry 5.1 sit and stabilize for a
>>> while ... a time that's stretched a few months longer than I initially
>>> intended.
>>> This is due to a number of factors: my return to independent
>>> consulting, my desire to write a definitive Tapestry 5 book, and
>>> preparations for many trips and speaking engagements.
>>> All of these factors have worked on each other: I've been improving and
>>> extending my Tapestry Workshop training materials which can be quite
>>> time consuming. I've also (over the last several months) been on the
>>> road several times, talking about Tapestry or doing Tapestry training.
>>> I do want to write a book on Tapestry but if I start writing 5.2 code,
>>> I know I'll be sucked right in ... lots of code (that darn Spring Web
>>> Flow integration for sure this time) and bug fixes.
>>> In addition, I've had an embarassment of riches: two main clients, one
>>> regular part time, and the other requesting (but not always getting)
>>> all my remaining time. I also have additional clients and training
>>> engagements waiting in the wings. I simply have a lot of draws on my
>>> time.
>>> As usual, working on real-world projects lets me experience the "rough
>>> edges" of Tapestry and fills me with ideas on how to address those in
>>> the next release ... often by splitting up Tapestry services into
>>> smaller, more easily overridden chunks and carefully moving internal
>>> services out into the public APIs.
>>> Finally, I've been very pleased by the fact that as I've stepped back
>>> temporarily from my normal stream of commits, the other Tapestry
>>> developers have stepped in and filled the gap. There's been quite a bit
>>> of activity especially from Igor that I've barely had a chance to keep
>>> up on.
>>> So the question is: do I wait and see if time opens up in Q1 to
>>> actually start on a T5 book ... or do I jump into 5.2 coding and leave
>>> books to others? It's much, much easier to write code than to write a
>>> book ... a book is a large amount of concentrated effort. It's very
>>> hard to accomplish anything on a book using an hour here or an evening
>>> there ... whereas Tapestry's code base lends itself to that kind of
>>> effort quite nicely.
>>>
>>> --
>>> Posted By Howard to Tapestry Central at 11/07/2009 10:11:00 AM
>>
>>
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Re: [Tapestry Central] Next Steps for Tapestry

2009-11-07T14:02:14Z

There already is one - written by Igor - but unfortunately not (yet?)
available in English.

Uli

Carl Crowder schrieb:

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Re: [Tapestry Central] Next Steps for Tapestry

2009-11-07T13:34:59Z

Agreed: the main thing Tapestry is lacking is a book that explains not
just the basics but also concepts that it takes months of working with
Tapestry to discover. Things like shadow builders and so on. I don't
care who writes one as long as there's a definitive guide!

jose luis sanchez wrote:

> Book ! Book ! Book !
>
> El 07/11/2009, a las 19:11, Howard escribió:
>
>> I've been consciously letting Tapestry 5.1 sit and stabilize for a
>> while ... a time that's stretched a few months longer than I initially
>> intended.
>> This is due to a number of factors: my return to independent
>> consulting, my desire to write a definitive Tapestry 5 book, and
>> preparations for many trips and speaking engagements.
>> All of these factors have worked on each other: I've been improving and
>> extending my Tapestry Workshop training materials which can be quite
>> time consuming. I've also (over the last several months) been on the
>> road several times, talking about Tapestry or doing Tapestry training.
>> I do want to write a book on Tapestry but if I start writing 5.2 code,
>> I know I'll be sucked right in ... lots of code (that darn Spring Web
>> Flow integration for sure this time) and bug fixes.
>> In addition, I've had an embarassment of riches: two main clients, one
>> regular part time, and the other requesting (but not always getting)
>> all my remaining time. I also have additional clients and training
>> engagements waiting in the wings. I simply have a lot of draws on my
>> time.
>> As usual, working on real-world projects lets me experience the "rough
>> edges" of Tapestry and fills me with ideas on how to address those in
>> the next release ... often by splitting up Tapestry services into
>> smaller, more easily overridden chunks and carefully moving internal
>> services out into the public APIs.
>> Finally, I've been very pleased by the fact that as I've stepped back
>> temporarily from my normal stream of commits, the other Tapestry
>> developers have stepped in and filled the gap. There's been quite a bit
>> of activity especially from Igor that I've barely had a chance to keep
>> up on.
>> So the question is: do I wait and see if time opens up in Q1 to
>> actually start on a T5 book ... or do I jump into 5.2 coding and leave
>> books to others? It's much, much easier to write code than to write a
>> book ... a book is a large amount of concentrated effort. It's very
>> hard to accomplish anything on a book using an hour here or an evening
>> there ... whereas Tapestry's code base lends itself to that kind of
>> effort quite nicely.
>>
>> --
>> Posted By Howard to Tapestry Central at 11/07/2009 10:11:00 AM
>
>
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> To unsubscribe, e-mail: users-unsubscribe@...
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Re: [Tapestry Central] Next Steps for Tapestry

2009-11-07T13:25:34Z

Book ! Book ! Book !

El 07/11/2009, a las 19:11, Howard escribió:

> I've been consciously letting Tapestry 5.1 sit and stabilize for a
> while ... a time that's stretched a few months longer than I initially
> intended.
> This is due to a number of factors: my return to independent
> consulting, my desire to write a definitive Tapestry 5 book, and
> preparations for many trips and speaking engagements.
> All of these factors have worked on each other: I've been improving
> and
> extending my Tapestry Workshop training materials which can be quite
> time consuming. I've also (over the last several months) been on the
> road several times, talking about Tapestry or doing Tapestry training.
> I do want to write a book on Tapestry but if I start writing 5.2 code,
> I know I'll be sucked right in ... lots of code (that darn Spring Web
> Flow integration for sure this time) and bug fixes.
> In addition, I've had an embarassment of riches: two main clients, one
> regular part time, and the other requesting (but not always getting)
> all my remaining time. I also have additional clients and training
> engagements waiting in the wings. I simply have a lot of draws on my
> time.
> As usual, working on real-world projects lets me experience the "rough
> edges" of Tapestry and fills me with ideas on how to address those in
> the next release ... often by splitting up Tapestry services into
> smaller, more easily overridden chunks and carefully moving internal
> services out into the public APIs.
> Finally, I've been very pleased by the fact that as I've stepped back
> temporarily from my normal stream of commits, the other Tapestry
> developers have stepped in and filled the gap. There's been quite a
> bit
> of activity especially from Igor that I've barely had a chance to keep
> up on.
> So the question is: do I wait and see if time opens up in Q1 to
> actually start on a T5 book ... or do I jump into 5.2 coding and leave
> books to others? It's much, much easier to write code than to write a
> book ... a book is a large amount of concentrated effort. It's very
> hard to accomplish anything on a book using an hour here or an evening
> there ... whereas Tapestry's code base lends itself to that kind of
> effort quite nicely.
>
> --
> Posted By Howard to Tapestry Central at 11/07/2009 10:11:00 AM

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[Tapestry Central] Next Steps for Tapestry

2009-11-07T10:11:08Z

I've been consciously letting Tapestry 5.1 sit and stabilize for a
while ... a time that's stretched a few months longer than I initially
intended.
This is due to a number of factors: my return to independent
consulting, my desire to write a definitive Tapestry 5 book, and
preparations for many trips and speaking engagements.
All of these factors have worked on each other: I've been improving and
extending my Tapestry Workshop training materials which can be quite
time consuming. I've also (over the last several months) been on the
road several times, talking about Tapestry or doing Tapestry training.
I do want to write a book on Tapestry but if I start writing 5.2 code,
I know I'll be sucked right in ... lots of code (that darn Spring Web
Flow integration for sure this time) and bug fixes.
In addition, I've had an embarassment of riches: two main clients, one
regular part time, and the other requesting (but not always getting)
all my remaining time. I also have additional clients and training
engagements waiting in the wings. I simply have a lot of draws on my
time.
As usual, working on real-world projects lets me experience the "rough
edges" of Tapestry and fills me with ideas on how to address those in
the next release ... often by splitting up Tapestry services into
smaller, more easily overridden chunks and carefully moving internal
services out into the public APIs.
Finally, I've been very pleased by the fact that as I've stepped back
temporarily from my normal stream of commits, the other Tapestry
developers have stepped in and filled the gap. There's been quite a bit
of activity especially from Igor that I've barely had a chance to keep
up on.
So the question is: do I wait and see if time opens up in Q1 to
actually start on a T5 book ... or do I jump into 5.2 coding and leave
books to others? It's much, much easier to write code than to write a
book ... a book is a large amount of concentrated effort. It's very
hard to accomplish anything on a book using an hour here or an evening
there ... whereas Tapestry's code base lends itself to that kind of
effort quite nicely.

--
Posted By Howard to Tapestry Central at 11/07/2009 10:11:00 AM

[Tapestry Central] Progress on Cascade

2009-11-07T09:53:03Z

Meanwhile, in spare minutes (and during sessions at ApacheCon), I've
been continuing to work on Cascade. It's been a great learning exercise
for me, pushing my understanding of both Clojure and functional
programming in general ... and especially, some pretty advanced
meta-programming with macros.
I'm also using Cascade as a kind of test bed for ideas that will
eventually appear in Tapestry.
Not everything turns out exactly as I've planned. For example, I've
been very excited about invariants, portions of the rendered DOM that
could be cached from one request to another, to speed up the rendering.
Like Tapestry, Cascade views render a DOM structure which can be
manipulated (in an intermediate stage) before being streamed as text.
This is a useful and powerful concept in a number of ways.
My thinking has been that a typical view will contain sections of the
template that are invariant: unchanging, and that there would be a
benefit to building that sub-section of the DOM once and reusing it
efficiently in later renderings of the view.
Clojure template forms are processed by macros to become normal Clojure
code. Thus something like (template :p [ "Hello" ]) will be transformed
into code, approximately (element-node :p nil (combine
(text-node "Hello"))). My approach was to tag the new Clojure code
forms (the list consisting of element-node, :p, etc.) with meta data to
identify it as invariant. Eventually this would propagate up to a
higher level and code to manage a cache would be wrapped around it: (or
(read-view-cache 97) (update-view-cache 97 (element-node :p .... Fun
stuff.
Until I put it into practice (after a fair amount of debugging) and
discovered that in the views I've created so far (for testing
purposes), the number of nodes that can be cached is low; any use of a
property or a function call mixed into the template "taints" it as
variant. I wasn't set up to do measurements, but my gut feeling is that
the overhead of managing the caches would overshadow the savings from
the small islands of reused DOM nodes.
Back to Cascade as a learning experience: just because this didn't work
out doesn't mean I didn't learn a lot from heading down that direction,
and certainly the amount of code it took was quite small. I have it
stored in a branch in case I ever want to give it another shot.
I will have all the basic features of Cascade implemented pretty soon;
I'm looking forward to seeing what the larger Clojure community makes
of it. In the meantime, it has served as a great way for me to dig deep
into Clojure ... I'll be putting together more sessions for
NoFluffJustStuff and more articles for the companion magazine based on
all this.

--
Posted By Howard to Tapestry Central at 11/07/2009 09:53:00 AM