[Lift] Re: building lift
It looks like the maven central repository only has the POM and not the JAR. Try adding this repository to your POM: repository idjava.net/id urlhttp://download.java.net/maven/2/url /repository Or manually downloading JTA and putting it in your jre/lib directory. -Ross On Jul 18, 2009, at 9:49 PM, Wilson MacGyver wrote: Hi, I git clone the lift source from git hub. then run mvn install to build it. It fails with Downloading: http://scala-tools.org/repo-releases/javax/transaction/jta/1.0.1B/jta-1.0.1B.jar [INFO] Unable to find resource 'javax.transaction:jta:jar:1.0.1B' in repository scala-tools.org (http://scala-tools.org/repo-releases) Downloading: http://scala-tools.org/repo-snapshots/javax/transaction/jta/1.0.1B/jta-1.0.1B.jar [INFO] Unable to find resource 'javax.transaction:jta:jar:1.0.1B' in repository scala-tools.org.snapshots (http://scala-tools.org/repo-snapshots) Downloading: http://repo1.maven.org/maven2/javax/transaction/jta/1.0.1B/jta-1.0.1B.jar [INFO] Unable to find resource 'javax.transaction:jta:jar:1.0.1B' in repository central (http://repo1.maven.org/maven2) [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Failed to resolve artifact. Missing: -- 1) javax.transaction:jta:jar:1.0.1B is this intentional due to some license issue with the jta jar? Thanks, Mac -- Omnem crede diem tibi diluxisse supremum. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
[Lift] Re: JTA Transaction Monad - Early Access Program
Thanks Tim and David. 2009/7/19 David Pollak feeder.of.the.be...@gmail.com: On Sat, Jul 18, 2009 at 11:20 AM, Timothy Perrett timo...@getintheloop.eu wrote: Awesome - kudos Jonas. +1 And more generally, it's great to have such a diverse and talented group of people contributing to Lift! Cheers, Tim On Jul 18, 11:53 am, Jonas Bonér jbo...@gmail.com wrote: JTA stuff is in github master branch now.http://github.com/dpp/liftweb/tree/4d8405a3dcf93570da8142c078784f9dc1... Have fun. /Jonas -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Git some: http://github.com/dpp -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://crisp.se work: http://scalablesolutions.se code: http://github.com/jboner --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
Re: [scala] Re: [Lift] Re: Jersey + Lift, whats the story?
David,
Thanks for your query. Here's an example from Hinze and Jeuring's
paperhttp://www.informatik.uni-bonn.de/%7Eralf/publications/TheWeb.ps.gz,
the syntax is Haskell(ish), but it's also simple enough to transliterate to
Scala.
rhs = Abs n (If (App (App (Var =) (Var n)) (Var 0))
(Var 1)
(App (App (Var +) (Var n))
(App (Var fac) (App (Var pred) (Var
n)
This is the body of a factorial calculation that has a typo in it. It should
have a (Var *) where there is a (Var +). We'd like to navigate to that
location. Using a zipper our navigation would look like
top rhs
Abs n (If (App ... ) )
down $$
If (App (App ...) )
down $$
App (App (Var ...) )
right $$
Var 1
right $$
App (App (Var +) (Var n)) (App (Var fac) ...)
down $$
App (Var +) (Var n)
down $$
Var +
$${ it = (Var *) }
Var *
up $$
App (Var *) (Var n)
Let me know if this helps.
Best wishes,
--greg
On Sat, Jul 18, 2009 at 4:38 PM, David Pollak feeder.of.the.be...@gmail.com
wrote:
Greg,
This sounds interesting... but I'd like to see what the Scala code would
look like that would manipulate the Zipper-based data structures. If you've
got a pile of XML, what does it look like to map it to nested [case]
classes? What does it look like to manipulate the XML?
Thanks,
David
On Fri, Jul 17, 2009 at 10:54 AM, Meredith Gregory
lgreg.mered...@gmail.com wrote:
Guys,
After playing around with integrating Lift and Jersey before the Jersey
guys did an 'official' integration and thinking hard about how i wanted to
reference locations in data structures via URLs, i realized that
zipperhttp://en.wikipedia.org/wiki/Zipper_%28data_structure%29(cf. this
explanation http://www.haskell.org/haskellwiki/Zipper) is a much
better, much more functional, generic and maintainable solution.
Briefly, the way this works is to automate the calculation of a context
type, C(T), from a data type T. The context type will allow for the
representation of locations in an instance of T in terms of contexts and
holes. There's a natural way to get from contexts to paths. So, there's a
natural map from URLs (viewed as paths) to locations. One great example of
how this works in practice is Oleg Kiselyov's Zipper-based file system. The
analogy between paths to files and URLs to resources should be clear.
This has led me to look at where to cut the line on calculating zippers.
As the wikipedia article mentions above, it is possible do this completely
generically, provided one has a notion of differentiation on data
structures; that is, the zipper can be expressed in terms of the derivative
of a data structure. There are two natural (and somewhat competing) places
to hang the differentiation calculation:
- the new collections library for scala
- the target of a mapping from one of the XML schema proposals to
scala types
Jorge and i were chatting about this the other day. Either route is a bit
of a large task and i've got a bunch of other stuff on my plate right now.
However, i'd be very happy to collaborate with anyone who wants to make this
happen. Also, by the way, this works really well with a lot of other
monadically based machinery.
Best wishes,
--greg
On Fri, Jul 17, 2009 at 8:17 AM, TylerWeir tyler.w...@gmail.com wrote:
Wait a few days, and I think there'll be some very good news on this
front.
Tease! :)
On Jul 17, 10:51 am, David Pollak feeder.of.the.be...@gmail.com
wrote:
There are benefits to both approaches. I prefer the partial function
composition, but annotations on Pojos have their place.
Wait a few days, and I think there'll be some very good news on this
front.
On Fri, Jul 17, 2009 at 7:28 AM, Timothy Perrett
timo...@getintheloop.euwrote:
Hey guys,
I've been taking a look at Jersey and how it operates with Lift by
way
of the recent integration that cropped up on dev.java.net...
From my perspective, I see how having a standard RS service framework
could be helpful, but it appears to bypass important lift concepts
like SiteMap etc so I'm just wondering what the benefit of using such
a layer would be over using DispatchPF etc to create REST services or
serving xml fragments for templates? (I have no idea about Jersey
apart from the basic docs ive read, so if im missing a major benefit
id love to hear discuss)
Cheers for any thoughts
Tim
--
Lift, the simply functional web frameworkhttp://liftweb.net
Beginning Scalahttp://www.apress.com/book/view/1430219890
Follow me:http://twitter.com/dpp
Git some:http://github.com/dpp
--
L.G. Meredith
Managing Partner
Biosimilarity LLC
1219 NW 83rd St
Seattle, WA 98117
+1 206.650.3740
http://biosimilarity.blogspot.com
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Git
[Lift] Re: File upload streaming and progress monitoring ...
Awesome work guys!
On Sat, Jul 18, 2009 at 8:54 PM, marius d. marius.dan...@gmail.com wrote:
Great. Let me know if I can help with anything.
Br's,
Marius
On Jul 18, 9:22 pm, Timothy Perrett timo...@getintheloop.eu wrote:
Marius,
This is awesome. Things are now working as expected - I knew this
wasn't a browser connection issue causing the problems.
The code in the widget package is pretty rubbish right now, but i just
had time to hack together a hardcoded sample to make sure that your
commit actually fix the problem... Im happy to report that it does
indeed now work exactly as required.
The next step is to work backwards and clean all the code up and fix
the cross-browser issues as right now it works in firefox and IE but
not in safari or chrome et al.
Cheers, Tim
On Jul 18, 3:08 pm, marius d. marius.dan...@gmail.com wrote:
Just committed a fix ...
Br's,
Marius
On Jul 18, 4:10 pm, marius d. marius.dan...@gmail.com wrote:
A little more on this ...
Living the above synchronized blocks where they are but removing the
one from LiftSession.runParams made it work properly. Looks like
this
one was holding the lock while the file upload progress was
happening.
Dave I'm not really sure why in runParams the the toRun is obtained
from a synchronized block ... is it because we'rreading from
messageCallback there ? ..cause otherwise the entire expression is
about functions composition that does not change any state.
Br's,
Marius
On Jul 18, 3:57 pm, Marius marius.dan...@gmail.com wrote:
HI there,
I know, there have been several other threads around the topic but
I
just wanted to yield somethings here. In the past few days I've
been
talking with Tim as he was having problems with his FileUpload
widget.
Even with short polling the progress was not reported even though
the
LiftSession.progressListener was properly called.
Today I started to look into it and here is what I've done:
1. Here is the markup:
iframe id=upload_target name=upload_target src=#
style=width:
0;height:0;border:0px solid #fff;/iframe
lift:Upload.render form=POST multipart=true id=upload_form
target=upload_target
f:inputFile/
input type=submit value=Upload/
/lift:Upload.render
A simple snippet that uses the invisible iframe trick to upload
stuff in the background. The so called Ajax upload. (I had to add
the target attribute into the supported form snippet attributed but
that's ok)
2. In boot had something like:
LiftSession.onSetupSession = ((session: LiftSession) = {
session.progessListener = Full((chunk, total, index) = {
Thread.sleep(100)
println(index + read + chunk + out of + total +
+
Thread.currentThread)
})
}) :: Nil
Just monitor the progress ... and to make it last a little
longer
I'm sleeping for 100 milliseconds
3. I set the GC polling to 10 seconds. The think is that GC polling
would be just like the short polling for getting the progress
status
back in the browser.
The behavior that I observed was that while I was uploading a 30 Mb
+
file the polling requests timed out after 5 secconds per
LiftRules.ajaxPostTimeout. This means that our progress monitoring
ajax request would have timed out as well. On the server side the
execution got stuck until the upload was complete.
LiftServlet.handleAjax was not called until the upload terminates.
Initially I thought that this has to do to limited request channels
that browser have but the thing is that we have several places in
Lift
code where we synchronize things. Such as LiftSession.getSession,
LiftSession.fixSessionTime etc. Acquiring these locks made the
progress polling to hang until the upload terminated. Of course
removing th synchronized block made the polling to work right
during
the file upload. Now this was just for test ... I'm not suggesting
to
remove the synchronized blocks as we'd loose consistency but this
looks to stay in the way of properly dealing with multiple parallel
request per same session like fileupload and progress monitoring.
It appears that there is either a thread starvation situation or
simply a lock that is held while upload is is progress.
Br's,
Marius
--
Viktor Klang
Java Specialist
Scala Loudmouth
Lift Committer
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[Lift] Added upload progress widget
Hey guys, I've just reworked the upload progress widget and could do with a few opinions... it still feels pretty raw but is not perfectly functional in a bunch of different browsers and i've managed to remove the implementing boiler plate. Boot up the lift-widgets example application and have a go with it. Interested in any thoughts / feedback. Cheers, Tim --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
[Lift] Re: Added upload progress widget
Oops!!! I meant to say it IS perfectly functional in browsers! Lol. On 19/07/2009 16:03, Timothy Perrett timo...@getintheloop.eu wrote: I've just reworked the upload progress widget and could do with a few opinions... it still feels pretty raw but is not perfectly functional in a bunch of different browsers and i've managed to remove the implementing boiler plate. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
[Lift] Contributing Life and/or Scala
Hi Everyone, What type of libraries would you like to see implement in Scala that are currently not available - like something that is written for Scala specifically to take advantage of the common idioms and natural style of the language. What big features are missing in Lift? I'd like to contribute to Scala/Lift in some way, so I'm just searching for ideas and there's a project to be that I really take a liking to, I'd like to work on it and build it. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
[Lift] MetaMapper type
I have a function def eachField[T : Mapper[T]](mapper: T, fn: MappedField[_, T] = ...) ... I need to call it using a val declared currently as val metaMapper: MetaMapper[T] with T where T is a type argument of its containing class. I can't figure out how to pass metaMapper to eachField and satisfy the compiler. The definitions can be changed somewhat but not too much because they are used elsewhere. Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
[Lift] Re: Code Review for Unique Key Constraints
Try just
object RecipeIngredient extends RecipeIngredient with
LongKeyedMetaMapper[RecipeIngredient]
{
override def dbIndexes = UniqueIndex(recipe, order) :: Nil
}
Also, there was a bug in index creation. I just checked in a fix.
Derek
On Sat, Jul 18, 2009 at 11:54 AM, Calen Pennington
calen.penning...@gmail.com wrote:
So, I'm trying to make use of this code, now that it's in the git repo.
However, I'm running into the follow issue:
In my model, I have
object RecipeIngredient extends RecipeIngredient with
LongKeyedMetaMapper[RecipeIngredient] {
override def dbIndexes = UniqueIndex(new IndexField(recipe), new
IndexField(order)) :: Nil
}
However, when the schemifier runs, I get a match error:
scala.MatchError: UniqueIndex(Array(IndexField(NULL), IndexField(0)))
at
net.liftweb.mapper.Schemifier$$anonfun$net$liftweb$mapper$Schemifier$$ensureIndexes$2.apply(Schemifier.scala:266)
at
net.liftweb.mapper.Schemifier$$anonfun$net$liftweb$mapper$Schemifier$$ensureIndexes$2.apply(Schemifier.scala:261)
...
It seems that the only way that the UniqueIndex wouldn't match would be if
there was a type inconsistency. However, I can't figure out how that could
be happening. (For reference, I get the same error if I use an Index, rather
than a UniqueIndex).
Any thoughts?
Thanks
-Cale
On Tue, Jul 14, 2009 at 4:05 PM, Derek Chen-Becker
dchenbec...@gmail.comwrote:
OK, it's merged. An example usage of the new GenericIndex is:
package com.test.model
import _root_.net.liftweb.mapper._
class DateItem extends Mapper[DateItem] with IdPK {
def getSingleton = DateItem
object timestamp extends MappedDateTime(this)
object time extends MappedTime(this)
object date extends MappedDate(this)
}
object DateItem extends DateItem with MetaMapper[DateItem] {
override def fieldOrder = date :: time :: timestamp :: Nil
override def dbIndexes = GenericIndex({ (table,columns) =
String.format(CREATE UNIQUE INDEX %s ON %s %s, myindex_ + table + _ +
columns.mkString(_), table, columns.mkString((, ,, )))},
IHaveValidatedThisSQL(Derek, 2009-07-13), date) :: Nil
}
It's basically up to you to generate the DDL statement based on the table
and column names.
Derek
On Mon, Jul 13, 2009 at 4:11 PM, Derek Chen-Becker dchenbec...@gmail.com
wrote:
OK, on wip-dcb-unique-indices there's now a GenericIndex that should give
you full flexibility to do whatever you want for an index. I'll hold until
tomorrow to merge with trunk.
Derek
On Mon, Jul 13, 2009 at 9:26 AM, Derek Chen-Becker
dchenbec...@gmail.com wrote:
I'll add a UserIndex type that will let you specify the creation of the
index directly. Unique indices are generally supported across all DBs,
AFAIK, so it makes it more clear to have a specific type.
Derek
On Mon, Jul 13, 2009 at 7:40 AM, Calen Pennington
calen.penning...@gmail.com wrote:
Hey, I'm glad the code could make it in. One comment on your changes:
It seems to me that using the pattern matching in ensureIndexes puts
Lift in the position of maintaining support for various DBs, rather
than letting the client code do it in a project by project basis (for
instance, the FULLTEXT and SPACIAL index types that I mentioned, that
are mysql specific.) Is there a reason that you preferred that over
allowing client code to specify the index type?
-Cale
On Fri, Jul 10, 2009 at 5:32 PM, Derek Chen-Becker
dchenbec...@gmail.com wrote:
I've pushed a smaller commit into the wip-dcb-unique-indices branch
on
GitHub that adds a UniqueIndex case class. Conceivably we could add
other
types of indices if there's a need. If no one has any objections to
what
I've added I can merge with trunk on Monday.
Derek
http://github.com/dpp/liftweb/tree/wip-dcb-unique-indices
On Thu, Jul 9, 2009 at 9:44 PM, DFectuoso santiago1...@gmail.com
wrote:
I for one would like to say: Cool! Thanks! If i need unique indexes
in
the next couple of weeks i'll get this baby to the war( .war thats
it ) =)
On Jul 9, 11:30 am, Calen Pennington calen.penning...@gmail.com
wrote:
As mentioned is this issue
(http://github.com/dpp/liftweb/issues#issue/19), and as came up
on the
list recently, Lift currently has no way to specify that a field
or an
index be unique. I've coded up a patch that addresses this, and
could
also be used for other index types on a project specific basis
(for
instance, FULLTEXT or SPATIAL indexes in mysql).
-Cale
0001-Adding-the-ability-to-create-UNIQUE-indexes-over-sin.patch
5KViewDownload
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[Lift] Re: JTA Transaction Monad - Early Access Program
FYI, it looks like the Hibernate dependency you had in your pom was pulling in the javax.transactions:jta lib, which isn't available in maven repos. I added an exclusion to prevent that from breaking the build. Derek On Sun, Jul 19, 2009 at 3:08 AM, Jonas Bonér jbo...@gmail.com wrote: Thanks Tim and David. 2009/7/19 David Pollak feeder.of.the.be...@gmail.com: On Sat, Jul 18, 2009 at 11:20 AM, Timothy Perrett timo...@getintheloop.eu wrote: Awesome - kudos Jonas. +1 And more generally, it's great to have such a diverse and talented group of people contributing to Lift! Cheers, Tim On Jul 18, 11:53 am, Jonas Bonér jbo...@gmail.com wrote: JTA stuff is in github master branch now. http://github.com/dpp/liftweb/tree/4d8405a3dcf93570da8142c078784f9dc1... Have fun. /Jonas -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Git some: http://github.com/dpp -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://crisp.se work: http://scalablesolutions.se code: http://github.com/jboner --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
[Lift] Re: JTA Transaction Monad - Early Access Program
... hit the enter key too quickly! Kudos on the work in this library. I really like how this is coming together. Derek On Sun, Jul 19, 2009 at 11:52 PM, Derek Chen-Becker dchenbec...@gmail.comwrote: FYI, it looks like the Hibernate dependency you had in your pom was pulling in the javax.transactions:jta lib, which isn't available in maven repos. I added an exclusion to prevent that from breaking the build. Derek On Sun, Jul 19, 2009 at 3:08 AM, Jonas Bonér jbo...@gmail.com wrote: Thanks Tim and David. 2009/7/19 David Pollak feeder.of.the.be...@gmail.com: On Sat, Jul 18, 2009 at 11:20 AM, Timothy Perrett timo...@getintheloop.eu wrote: Awesome - kudos Jonas. +1 And more generally, it's great to have such a diverse and talented group of people contributing to Lift! Cheers, Tim On Jul 18, 11:53 am, Jonas Bonér jbo...@gmail.com wrote: JTA stuff is in github master branch now. http://github.com/dpp/liftweb/tree/4d8405a3dcf93570da8142c078784f9dc1... Have fun. /Jonas -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Git some: http://github.com/dpp -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://crisp.se work: http://scalablesolutions.se code: http://github.com/jboner --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
[Lift] Re: building lift
I've added in an exclusion to prevent this version of the lib from being pulled. We generally use the geronimo version of JEE libs due to a less restrictive license. Derek On Sat, Jul 18, 2009 at 8:00 PM, Ross Mellgren dri...@gmail.com wrote: It looks like the maven central repository only has the POM and not the JAR. Try adding this repository to your POM: repository idjava.net/id urlhttp://download.java.net/maven/2/url /repository Or manually downloading JTA and putting it in your jre/lib directory. -Ross On Jul 18, 2009, at 9:49 PM, Wilson MacGyver wrote: Hi, I git clone the lift source from git hub. then run mvn install to build it. It fails with Downloading: http://scala-tools.org/repo-releases/javax/transaction/jta/1.0.1B/jta-1.0.1B.jar [INFO] Unable to find resource 'javax.transaction:jta:jar:1.0.1B' in repository scala-tools.org (http://scala-tools.org/repo-releases) Downloading: http://scala-tools.org/repo-snapshots/javax/transaction/jta/1.0.1B/jta-1.0.1B.jar [INFO] Unable to find resource 'javax.transaction:jta:jar:1.0.1B' in repository scala-tools.org.snapshots (http://scala-tools.org/repo-snapshots) Downloading: http://repo1.maven.org/maven2/javax/transaction/jta/1.0.1B/jta-1.0.1B.jar [INFO] Unable to find resource 'javax.transaction:jta:jar:1.0.1B' in repository central (http://repo1.maven.org/maven2) [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Failed to resolve artifact. Missing: -- 1) javax.transaction:jta:jar:1.0.1B is this intentional due to some license issue with the jta jar? Thanks, Mac -- Omnem crede diem tibi diluxisse supremum. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~--~~~~--~~--~--~---
