[Lift] Working with database views
Hello guys,
I need to create a database view to create a very specific query from
an API. I am planning the following steps:
1. Create the view in the database directly
2. Create a model without a primary key extending Mapper instead of
Keymapper
3. I am not going to add the view to Schemifier since I am managing
the creation and maintenance of the object manually
My problem is that I am having problems to compile the Mapper class.
This is the code I am trying to create:
class SyncVW extends Mapper[SyncVW] {
def getSingleton = SyncVW
object field1 extends MappedLong(this, ContentSource)
object field2 extends MappedString(this, 999)
object field3 extends MappedString(this,255)
object field4 extends MappedString(this,30)
}
object SyncVW extends SyncVW with Mapper[SyncVW]
The compilation error is in the def getSingleton line. The compiler
is expecting a Mapper[SyncVW] object and it is receiving SyncVW. What
am I doing wrong?
Thanks,
GA
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[Lift] CometActor and render
I have a CometActor. render is called when it is supposed to be but I don't see the changes. If I refresh the page at anytime, I do see the changes. Any idea what might cause this? --~--~-~--~~~---~--~~ 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: CometActor and render
By the way, I know that when render is called, all the variables have the right values. I just don't see it on the screen unless I refresh it. On Nov 8, 3:12 am, jack jack.wid...@gmail.com wrote: I have a CometActor. render is called when it is supposed to be but I don't see the changes. If I refresh the page at anytime, I do see the changes. Any idea what might cause this? --~--~-~--~~~---~--~~ 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: A little emacs help please
You guys are right. Thank you very much. Fixed. Br's, Marius On Nov 8, 1:11 am, Derek Williams de...@nebvin.ca wrote: On Sat, Nov 7, 2009 at 3:29 PM, Marius marius.dan...@gmail.com wrote: (add-hook 'scala-mode-hook '(lambda () (yas/minor-mode-on) Not sure if this is just an incomplete copy/paste, but looks like you are missing some closing parenthesis there -- Derek Williams --~--~-~--~~~---~--~~ 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: Select multiple values
Allright. This code does the trick:
bind(e, xhtml,
name - text(, name = _),
availableManagers- SHtml.multiSelect(
User.findAvailableManagers.map(v =
(v.id.toString, v.email)),
Nil,
_.foreach { id = loadManager(id)},
multiple - multiple,
title - Click to assign managers to this
fund),
submit - SHtml.submit( Submit Form /*button name*/,
processForm /*function to call*/))
So what did I change? SHtml.selectObj[User] to SHtml.multiSelect and
also the function executed after submit since a List[String] is now
passed to it.
Any comments?
On Nov 8, 3:05 am, suls s...@suls.org wrote:
Hi,
How can I access all the selected values from aselectbox? I am using
the following code to generate theselectbox itself:
availableManagers- SHtml.selectObj[User](
User.findAvailableManagers.map(v = (v,
v.email)),
Empty,
selected = Log.info(selected),
multiple - multiple,
title - Click to assign managers to this
fund)
Is it possible to iterate over all selected options in the selected
= bit?
Any pointers how to solve this using different ways?
Cheers, suls
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[Lift] MegaProtoUser + MappedPassword question
I'm using MegaProtoUser which has a MappedPassword field. When the sign up form is displayed, the password field is pre- populated to '***' which is proving very confusing for some users. I would like to display the password field as a completely empty field, but I can not see a way to override this behavior. MegaProtoUser is mostly suiting my needs pretty well right now, so I am reluctant to roll my own for the sake of such a small detail. Does anyone have any ideas how I can achieve this? thanks george --~--~-~--~~~---~--~~ 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] MegaProtoUser + MappedPassword question
I'm using MegaProtoUser which has a MappedPassword field. When the sign up form is displayed, the password field is pre- populated to '***' which is proving very confusing for some users. I would like to display the password field as a completely empty field, but I can not see a way to override this behavior. MegaProtoUser is mostly suiting my needs pretty well right now, so I am reluctant to roll my own for the sake of such a small detail. Does anyone have any ideas how I can achieve this? thanks george --~--~-~--~~~---~--~~ 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: Working with database views
Yes, it just did the trick. It compiles now.
Why is it working now? Isn't it Mapper also a MetaMapper?
On Nov 8, 2009, at 12:27 PM, Jeppe Nejsum Madsen wrote:
GA my_li...@me.com writes:
Hello guys,
I need to create a database view to create a very specific query from
an API. I am planning the following steps:
1. Create the view in the database directly
2. Create a model without a primary key extending Mapper instead of
Keymapper
3. I am not going to add the view to Schemifier since I am managing
the creation and maintenance of the object manually
My problem is that I am having problems to compile the Mapper class.
This is the code I am trying to create:
class SyncVW extends Mapper[SyncVW] {
def getSingleton = SyncVW
object field1 extends MappedLong(this, ContentSource)
object field2 extends MappedString(this, 999)
object field3 extends MappedString(this,255)
object field4 extends MappedString(this,30)
}
object SyncVW extends SyncVW with Mapper[SyncVW]
I think this last line should read
object SyncVW extends SyncVW with MetaMapper[SyncVW]
/Jeppe
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[Lift] Re: A little emacs help please
Do you guys know how to select text just with keyboard in emacs? Something similar with SHIFT + down-arrow etc. Br's, Marius On Nov 8, 10:40 am, Marius marius.dan...@gmail.com wrote: You guys are right. Thank you very much. Fixed. Br's, Marius On Nov 8, 1:11 am, Derek Williams de...@nebvin.ca wrote: On Sat, Nov 7, 2009 at 3:29 PM, Marius marius.dan...@gmail.com wrote: (add-hook 'scala-mode-hook '(lambda () (yas/minor-mode-on) Not sure if this is just an incomplete copy/paste, but looks like you are missing some closing parenthesis there -- Derek Williams --~--~-~--~~~---~--~~ 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: A little emacs help please
Set transient mark mode (from options menu), then M-SPC (ESC then space, or alt+space) to set mark and move around with cursor. Then M-w (ESC then w, or alt+w) to copy region, C-w (ctrl+w) to kill (cut) region. -Ross On Nov 8, 2009, at 10:08 AM, Marius wrote: Do you guys know how to select text just with keyboard in emacs? Something similar with SHIFT + down-arrow etc. Br's, Marius On Nov 8, 10:40 am, Marius marius.dan...@gmail.com wrote: You guys are right. Thank you very much. Fixed. Br's, Marius On Nov 8, 1:11 am, Derek Williams de...@nebvin.ca wrote: On Sat, Nov 7, 2009 at 3:29 PM, Marius marius.dan...@gmail.com wrote: (add-hook 'scala-mode-hook '(lambda () (yas/minor-mode-on) Not sure if this is just an incomplete copy/paste, but looks like you are missing some closing parenthesis there -- Derek Williams --~--~-~--~~~---~--~~ 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: A little emacs help please
Acckkk whoops I said M-SPC, I meant C-SPC (ctrl+space) to set mark. M- SPC is reduce all surrounding whitespace to one space. -Ross On Nov 8, 2009, at 10:08 AM, Marius wrote: Do you guys know how to select text just with keyboard in emacs? Something similar with SHIFT + down-arrow etc. Br's, Marius On Nov 8, 10:40 am, Marius marius.dan...@gmail.com wrote: You guys are right. Thank you very much. Fixed. Br's, Marius On Nov 8, 1:11 am, Derek Williams de...@nebvin.ca wrote: On Sat, Nov 7, 2009 at 3:29 PM, Marius marius.dan...@gmail.com wrote: (add-hook 'scala-mode-hook '(lambda () (yas/minor-mode-on) Not sure if this is just an incomplete copy/paste, but looks like you are missing some closing parenthesis there -- Derek Williams --~--~-~--~~~---~--~~ 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: A little emacs help please
Thanks a lot ! ... I just ran into C-SPC :) Br's, Marius On Nov 8, 5:11 pm, Ross Mellgren dri...@gmail.com wrote: Acckkk whoops I said M-SPC, I meant C-SPC (ctrl+space) to set mark. M- SPC is reduce all surrounding whitespace to one space. -Ross On Nov 8, 2009, at 10:08 AM, Marius wrote: Do you guys know how to select text just with keyboard in emacs? Something similar with SHIFT + down-arrow etc. Br's, Marius On Nov 8, 10:40 am, Marius marius.dan...@gmail.com wrote: You guys are right. Thank you very much. Fixed. Br's, Marius On Nov 8, 1:11 am, Derek Williams de...@nebvin.ca wrote: On Sat, Nov 7, 2009 at 3:29 PM, Marius marius.dan...@gmail.com wrote: (add-hook 'scala-mode-hook '(lambda () (yas/minor-mode-on) Not sure if this is just an incomplete copy/paste, but looks like you are missing some closing parenthesis there -- Derek Williams --~--~-~--~~~---~--~~ 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] Novell Pulse, front end by Lift
Folks, Last week, Novell announced their new groupware product, Pulse: http://www.novell.com/products/pulse/ Pulse's UI was built with Lift. If you have time to watch the demo, it's very impressive... quite frankly, I was blown away... I didn't think web browsers could do that, Lift or no. So, congrats to the Pulse team and congrats to the Lift community for giving feedback that made Lift a platform that could build such an app and congrats to the Lift committers to listening to community feedback and building the Lift platform. Thanks, David -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics --~--~-~--~~~---~--~~ 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: Build Broken?
Build is working now. 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: Novell Pulse, front end by Lift
Kudos everyone - the fact that organisations are building saleable products on Lift is a testament to the quality of the platform so early on in its life; as a team we should take real pride in this :-) Cheers, Tim On 8 Nov 2009, at 18:06, David Pollak wrote: Folks, Last week, Novell announced their new groupware product, Pulse: http://www.novell.com/products/pulse/ Pulse's UI was built with Lift. If you have time to watch the demo, it's very impressive... quite frankly, I was blown away... I didn't think web browsers could do that, Lift or no. So, congrats to the Pulse team and congrats to the Lift community for giving feedback that made Lift a platform that could build such an app and congrats to the Lift committers to listening to community feedback and building the Lift platform. Thanks, David -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics --~--~-~--~~~---~--~~ 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: CometActor and render
Sorry. Here it is: As I said, I know that when render is called,
foo.getValue has the right value. But it does not show on the screen, unless
I refresh the browser.
package com.foo.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.util._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import com.authoritude.snippet._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
super.localSetup
this ! Tick
}
var foo:Foo = null
override def lowPriority = {
case Tick = {
foo=FooQueue.getLatest
if (foo!=null foo.getValue -1) {
blogs = FooManager.process(foo, foos)
} else if (foo!=null){
foos = foos.remove((f:Foo)=(f.id==foo.id))
}
reRender(false)
this ! Tick
}
}
}
case class Tick
On Sun, Nov 8, 2009 at 5:31 AM, Timothy Perrett timo...@getintheloop.euwrote:
Without posting your code it's going to be tough to help you.
Cheers, Tim
Sent from my iPhone
On 8 Nov 2009, at 08:14, jack jack.wid...@gmail.com wrote:
By the way, I know that when render is called, all the variables have
the right values. I just don't see it on the screen unless I refresh
it.
On Nov 8, 3:12 am, jack jack.wid...@gmail.com wrote:
I have a CometActor. render is called when it is supposed to be but I
don't see the changes. If I refresh the page at anytime, I do see the
changes. Any idea what might cause this?
--
Jack Widman
co-founder / cto, Authoritude, Inc.
203-641-9355
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[Lift] Re: CometActor and render
One more thing. 'foo's get added to the FooQueue periodically.
On Nov 8, 6:47 pm, Jack Widman jack.wid...@gmail.com wrote:
Sorry. Here it is: As I said, I know that when render is called,
foo.getValue has the right value. But it does not show on the screen, unless
I refresh the browser.
package com.foo.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.util._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import com.authoritude.snippet._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
super.localSetup
this ! Tick
}
var foo:Foo = null
override def lowPriority = {
case Tick = {
foo=FooQueue.getLatest
if (foo!=null foo.getValue -1) {
blogs = FooManager.process(foo, foos)
} else if (foo!=null){
foos = foos.remove((f:Foo)=(f.id==foo.id))
}
reRender(false)
this ! Tick
}
}
}
case class Tick
On Sun, Nov 8, 2009 at 5:31 AM, Timothy Perrett
timo...@getintheloop.euwrote:
Without posting your code it's going to be tough to help you.
Cheers, Tim
Sent from my iPhone
On 8 Nov 2009, at 08:14, jack jack.wid...@gmail.com wrote:
By the way, I know that when render is called, all the variables have
the right values. I just don't see it on the screen unless I refresh
it.
On Nov 8, 3:12 am, jack jack.wid...@gmail.com wrote:
I have a CometActor. render is called when it is supposed to be but I
don't see the changes. If I refresh the page at anytime, I do see the
changes. Any idea what might cause this?
--
Jack Widman
co-founder / cto, Authoritude, Inc.
203-641-9355
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[Lift] Re: Select multiple values
On Sun, Nov 8, 2009 at 1:32 AM, suls s...@suls.org wrote:
Allright. This code does the trick:
bind(e, xhtml,
name - text(, name = _),
availableManagers- SHtml.multiSelect(
User.findAvailableManagers.map(v =
(v.id.toString, v.email)),
Nil,
_.foreach { id = loadManager(id)},
multiple - multiple,
title - Click to assign managers to this
fund),
submit - SHtml.submit( Submit Form /*button name*/,
processForm /*function to call*/))
So what did I change? SHtml.selectObj[User] to SHtml.multiSelect and
also the function executed after submit since a List[String] is now
passed to it.
Any comments?
Congratulations on finding the right method!
Also, note how, especially in this case, type-safety is your friend and your
guide.
On Nov 8, 3:05 am, suls s...@suls.org wrote:
Hi,
How can I access all the selected values from aselectbox? I am using
the following code to generate theselectbox itself:
availableManagers- SHtml.selectObj[User](
User.findAvailableManagers.map(v = (v,
v.email)),
Empty,
selected = Log.info(selected),
multiple - multiple,
title - Click to assign managers to this
fund)
Is it possible to iterate over all selected options in the selected
= bit?
Any pointers how to solve this using different ways?
Cheers, suls
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
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[Lift] broken app
Hi Over the last couple of days I have been getting the following error on Lift 1.0 using scala 2.7.3 when I try to deploy an application to a Glassfish (or Tomcat) server (Jetty works ok) : Exception starting filter LiftFilter java.lang.IncompatibleClassChangeError: Class scala.List$$anon$1 does not implement the requested interface scala.Seq$Projection at net.liftweb.util.ListHelpers$class.first(ListHelpers.scala:50) at net.liftweb.util.Helpers$.first(Helpers.scala:29) at net.liftweb.util.Props$.init(Props.scala:151) at net.liftweb.util.Props$.clinit(Props.scala) at net.liftweb.util.LogBoot$.findTheFile$1(Log.scala:115) at net.liftweb.util.LogBoot$._log4JSetup(Log.scala:118) at net.liftweb.util.LogBoot$$anonfun$2.apply(Log.scala:96) at net.liftweb.util.LogBoot$$anonfun$2.apply(Log.scala:96) at net.liftweb.util.LogBoot$.checkConfig(Log.scala:94) at net.liftweb.util.LogBoot$.net$liftweb$util$LogBoot$$_logger(Log.scala:140) at net.liftweb.util.LogBoot$$anonfun$3.apply(Log.scala:142) at net.liftweb.util.LogBoot$$anonfun$3.apply(Log.scala:142) at net.liftweb.http.LiftRules$.init(LiftRules.scala:559) at net.liftweb.http.LiftRules$.clinit(LiftRules.scala) at net.liftweb.http.LiftFilter.init(LiftServlet.scala:546) ... I think the application was deploying OK earlier in the week. Any ideas??? cheers Oliver --~--~-~--~~~---~--~~ 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: broken app
Oliver, Looks like a mixed scala version issue. Please look in your WAR file to make sure there's only 1 Scala JAR and also make sure you app server does not have a Scala library in the /lib directory. Thanks, David On Sun, Nov 8, 2009 at 5:22 PM, Oliver Lambert olambo...@gmail.com wrote: Hi Over the last couple of days I have been getting the following error on Lift 1.0 using scala 2.7.3 when I try to deploy an application to a Glassfish (or Tomcat) server (Jetty works ok) : Exception starting filter LiftFilter java.lang.IncompatibleClassChangeError: Class scala.List$$anon$1 does not implement the requested interface scala.Seq$Projection at net.liftweb.util.ListHelpers$class.first(ListHelpers.scala:50) at net.liftweb.util.Helpers$.first(Helpers.scala:29) at net.liftweb.util.Props$.init(Props.scala:151) at net.liftweb.util.Props$.clinit(Props.scala) at net.liftweb.util.LogBoot$.findTheFile$1(Log.scala:115) at net.liftweb.util.LogBoot$._log4JSetup(Log.scala:118) at net.liftweb.util.LogBoot$$anonfun$2.apply(Log.scala:96) at net.liftweb.util.LogBoot$$anonfun$2.apply(Log.scala:96) at net.liftweb.util.LogBoot$.checkConfig(Log.scala:94) at net.liftweb.util.LogBoot$.net$liftweb$util$LogBoot$$_logger(Log.scala:140) at net.liftweb.util.LogBoot$$anonfun$3.apply(Log.scala:142) at net.liftweb.util.LogBoot$$anonfun$3.apply(Log.scala:142) at net.liftweb.http.LiftRules$.init(LiftRules.scala:559) at net.liftweb.http.LiftRules$.clinit(LiftRules.scala) at net.liftweb.http.LiftFilter.init(LiftServlet.scala:546) ... I think the application was deploying OK earlier in the week. Any ideas??? cheers Oliver -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics --~--~-~--~~~---~--~~ 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] jetty/actors performance question tangentially related to lift
Hi, Currently I have a jetty webapp that uses continuations and actors to scale to many connections. While this isn't a lift question per se I was hoping the folks on this list could help since it's my understanding that Lift does similar stuff under certain setups. Basically, the functionality that I'm testing receives a request, suspends it via jetty continuations, and fires it off to an actor for processing. Once the work is done (some benchmark database requests, usually on the order of 10 to 100ms) the continuation is resumed and results are returned. As I scale up to 1000+ concurrents in apache benchmark, I notice that the vast majority of time from receipt of the request to response, is between when the continuation is suspended and when my actor receives the message. This strikes me as bizarre since I'm monitoring the mailbox and it never grows to a size larger than 1 or 2. It gets to the point where requests are taking 10 seconds to come back and 9.5 of those seconds are my actor waiting to receive the work request. Throughout the load test the database does not become stressed. Any thoughts on this? I guess I'm hoping there is something basic that I'm doing wrong. Just in case, I've tried creating an actor pool to receive the work requests but that apparently has no effect on the results. My only speculation at this point is that perhaps the reason messages are taking so long to get to my actor is because jetty itself is overloaded trying to queue requests but that is just a guess. Thanks, Lincoln --~--~-~--~~~---~--~~ 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] How to bind the Map to View in the Snippet ?
Hi all,
How to bind the Map to View in the Snippet ?
This is the bind code
###
scala.collection.mutable.Map[String,List[String]] =
Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7, 123,
da))
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello,
M7, 123, da))
def doList(in : NodeSeq) : NodeSeq = {
data.foreach(d= {
bind(data, in,
time - Text({d._1}),
list - bindList(d._2)
)
})
def bindList(lists:List[String]) = {
lists flatMap { l =
bind(sec, chooseTemplate(data, list, in),
title - Text(l))
}
###
It always show this message:
found : Unit
required: scala.xml.NodeSeq
data.foreach(d= {
Cheers,
Neil
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[Lift] Re: How to bind the Map to View in the Snippet ?
That should not be foreach but flatMap.
Foreach is like map but returns Unit, and flatMap is like map but it
concatenates the resulting elements, which must be iterable (or iterators,
depending).
-
Neil.Lvanim...@gmail.com wrote:
Hi all,
How to bind the Map to View in the Snippet ?
This is the bind code
###
scala.collection.mutable.Map[String,List[String]] =
Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7, 123,
da))
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello,
M7, 123, da))
def doList(in : NodeSeq) : NodeSeq = {
data.foreach(d= {
bind(data, in,
time - Text({d._1}),
list - bindList(d._2)
)
})
def bindList(lists:List[String]) = {
lists flatMap { l =
bind(sec, chooseTemplate(data, list, in),
title - Text(l))
}
###
It always show this message:
found : Unit
required: scala.xml.NodeSeq
data.foreach(d= {
Cheers,
Neil
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[Lift] My Sitemap Problem
I made this sitemap but the User.sitemap is not showing up on the
site, it looks like it should work but is not, can someone point out
what I did wrong?
val entries = Menu(Loc(Home, List(index), Home))::
Menu(Loc(Item, List(member, index) - false, Item),
Menu(Loc(ItemList, List(member, list), Item List)),
Menu(Loc(ItemCreate, List(member, create), Create
Item))) ::
Menu(Loc(Admin, List(admin, list) - true, Admin),
Menu(Loc(AdminList, List(admin, list), Category
List)),
Menu(Loc(UserCreate, List(admin, create), Create
Category))) ::
Menu(Loc(Auser, List(auser, list) - true, User),
Menu(Loc(AuserList, List(auser, list), User
List))) :: Nil
User.sitemap :: Nil
LiftRules setSiteMap SiteMap(entries : _*)
LiftRules.rewrite.append {
case RewriteRequest(
ParsePath(List(member, action, id),_,_,_),_,_) =
RewriteResponse(member :: action :: Nil, Map(id - id))
case RewriteRequest(
ParsePath(List(admin, action, id),_,_,_),_,_) =
RewriteResponse(admin :: action :: Nil, Map(id - id))
case RewriteRequest(
ParsePath(List(auser, action, id),_,_,_),_,_) =
RewriteResponse(auser :: action :: Nil, Map(id - id))
}
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[Lift] Re: How to bind the Map to View in the Snippet ?
How should i write the bind code ?
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7,
123,da))
data.flatMap(d= {
Log.info( *: + d)
bind(data, in,
date_title - Text(222)
)
})
Get this erors:
found : Iterable[scala.xml.Node]
required: scala.xml.NodeSeq
data.flatMap(d= {
I'm not familiar with this.
I want the page show like this:
date - 2009/10/09
st1
date - 2009/10/10
Hello
M7
123
da
Cheers,
Neil
On Nov 9, 11:35 am, Naftoli Gugenheim naftoli...@gmail.com wrote:
That should not be foreach but flatMap.
Foreach is like map but returns Unit, and flatMap is like map but it
concatenates the resulting elements, which must be iterable (or iterators,
depending).
-
Neil.Lvanim...@gmail.com wrote:
Hi all,
How to bind the Map to View in the Snippet ?
This is the bind code
###
scala.collection.mutable.Map[String,List[String]] =
Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7, 123,
da))
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello,
M7, 123, da))
def doList(in : NodeSeq) : NodeSeq = {
data.foreach(d= {
bind(data, in,
time - Text({d._1}),
list - bindList(d._2)
)
})
def bindList(lists:List[String]) = {
lists flatMap { l =
bind(sec, chooseTemplate(data, list, in),
title - Text(l))
}
###
It always show this message:
found : Unit
required: scala.xml.NodeSeq
data.foreach(d= {
Cheers,
Neil
--~--~-~--~~~---~--~~
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Lift group.
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To unsubscribe from this group, send email to
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[Lift] Re: jetty/actors performance question tangentially related to lift
If you have all your requests going to 1 actor, then you've reduced your application to a single threaded app. If you're using Scala Actors, there are all kinds of wacky things that happen with the Fork-Join library that the Actors use for scheduling and a whole lot of knobs to turn to get the scheduling right depending on your number of CPUs, etc. But, at the end of the day, if you're just pushing work from one thread (the thread that the HTTP request comes in on) to another thread (the thread that's waiting for the RDBMS request), you're not saving any time or threads, in fact you're only increasing the amount of thrash between scheduling the Actor, suspending the HTTP request thread, etc. But, without seeing your code, it's hard to give you a better analysis. On Sun, Nov 8, 2009 at 7:08 PM, Lincoln linxbet...@gmail.com wrote: Hi, Currently I have a jetty webapp that uses continuations and actors to scale to many connections. While this isn't a lift question per se I was hoping the folks on this list could help since it's my understanding that Lift does similar stuff under certain setups. Basically, the functionality that I'm testing receives a request, suspends it via jetty continuations, and fires it off to an actor for processing. Once the work is done (some benchmark database requests, usually on the order of 10 to 100ms) the continuation is resumed and results are returned. As I scale up to 1000+ concurrents in apache benchmark, I notice that the vast majority of time from receipt of the request to response, is between when the continuation is suspended and when my actor receives the message. This strikes me as bizarre since I'm monitoring the mailbox and it never grows to a size larger than 1 or 2. It gets to the point where requests are taking 10 seconds to come back and 9.5 of those seconds are my actor waiting to receive the work request. Throughout the load test the database does not become stressed. Any thoughts on this? I guess I'm hoping there is something basic that I'm doing wrong. Just in case, I've tried creating an actor pool to receive the work requests but that apparently has no effect on the results. My only speculation at this point is that perhaps the reason messages are taking so long to get to my actor is because jetty itself is overloaded trying to queue requests but that is just a guess. Thanks, Lincoln -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics --~--~-~--~~~---~--~~ 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: How to bind the Map to View in the Snippet ?
On Sun, Nov 8, 2009 at 7:45 PM, Neil.Lv anim...@gmail.com wrote:
How should i write the bind code ?
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7,
123,da))
data.flatMap(d= {
data.toList.flatMap(...)
Log.info( *: + d)
bind(data, in,
date_title - Text(222)
)
})
Get this erors:
found : Iterable[scala.xml.Node]
required: scala.xml.NodeSeq
data.flatMap(d= {
I'm not familiar with this.
I want the page show like this:
date - 2009/10/09
st1
date - 2009/10/10
Hello
M7
123
da
Cheers,
Neil
On Nov 9, 11:35 am, Naftoli Gugenheim naftoli...@gmail.com wrote:
That should not be foreach but flatMap.
Foreach is like map but returns Unit, and flatMap is like map but it
concatenates the resulting elements, which must be iterable (or iterators,
depending).
-
Neil.Lvanim...@gmail.com wrote:
Hi all,
How to bind the Map to View in the Snippet ?
This is the bind code
###
scala.collection.mutable.Map[String,List[String]] =
Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7, 123,
da))
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello,
M7, 123, da))
def doList(in : NodeSeq) : NodeSeq = {
data.foreach(d= {
bind(data, in,
time - Text({d._1}),
list - bindList(d._2)
)
})
def bindList(lists:List[String]) = {
lists flatMap { l =
bind(sec, chooseTemplate(data, list, in),
title - Text(l))
}
###
It always show this message:
found : Unit
required: scala.xml.NodeSeq
data.foreach(d= {
Cheers,
Neil
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
--~--~-~--~~~---~--~~
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Lift group.
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liftweb+unsubscr...@googlegroups.com
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[Lift] Re: Working with database views
On Sun, Nov 8, 2009 at 5:51 AM, GA my_li...@me.com wrote:
Yes, it just did the trick. It compiles now.
Why is it working now? Isn't it Mapper also a MetaMapper?
No. A Mapper corresponds to a row in your table. A MetaMapper corresponds
to the table itself.
On Nov 8, 2009, at 12:27 PM, Jeppe Nejsum Madsen wrote:
GA my_li...@me.com writes:
Hello guys,
I need to create a database view to create a very specific query from
an API. I am planning the following steps:
1. Create the view in the database directly
2. Create a model without a primary key extending Mapper instead of
Keymapper
3. I am not going to add the view to Schemifier since I am managing
the creation and maintenance of the object manually
My problem is that I am having problems to compile the Mapper class.
This is the code I am trying to create:
class SyncVW extends Mapper[SyncVW] {
def getSingleton = SyncVW
object field1 extends MappedLong(this, ContentSource)
object field2 extends MappedString(this, 999)
object field3 extends MappedString(this,255)
object field4 extends MappedString(this,30)
}
object SyncVW extends SyncVW with Mapper[SyncVW]
I think this last line should read
object SyncVW extends SyncVW with MetaMapper[SyncVW]
/Jeppe
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
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[Lift] Re: jetty/actors performance question tangentially related to lift
Thanks for the feedback David... I have also created a pool of actors and dispatch requests round-robin style to it. Oddly enough, I see absolutely no difference in the performance characteristics - in both cases 95% of the time is spent between the suspend and the actor receiving the request, but the mailbox never grows past a size of 1 or 2. I will try and send along a simplified version of my code to illustrate what I'm doing. Thanks, Lincoln On Sun, Nov 8, 2009 at 11:02 PM, David Pollak feeder.of.the.be...@gmail.com wrote: If you have all your requests going to 1 actor, then you've reduced your application to a single threaded app. If you're using Scala Actors, there are all kinds of wacky things that happen with the Fork-Join library that the Actors use for scheduling and a whole lot of knobs to turn to get the scheduling right depending on your number of CPUs, etc. But, at the end of the day, if you're just pushing work from one thread (the thread that the HTTP request comes in on) to another thread (the thread that's waiting for the RDBMS request), you're not saving any time or threads, in fact you're only increasing the amount of thrash between scheduling the Actor, suspending the HTTP request thread, etc. But, without seeing your code, it's hard to give you a better analysis. On Sun, Nov 8, 2009 at 7:08 PM, Lincoln linxbet...@gmail.com wrote: Hi, Currently I have a jetty webapp that uses continuations and actors to scale to many connections. While this isn't a lift question per se I was hoping the folks on this list could help since it's my understanding that Lift does similar stuff under certain setups. Basically, the functionality that I'm testing receives a request, suspends it via jetty continuations, and fires it off to an actor for processing. Once the work is done (some benchmark database requests, usually on the order of 10 to 100ms) the continuation is resumed and results are returned. As I scale up to 1000+ concurrents in apache benchmark, I notice that the vast majority of time from receipt of the request to response, is between when the continuation is suspended and when my actor receives the message. This strikes me as bizarre since I'm monitoring the mailbox and it never grows to a size larger than 1 or 2. It gets to the point where requests are taking 10 seconds to come back and 9.5 of those seconds are my actor waiting to receive the work request. Throughout the load test the database does not become stressed. Any thoughts on this? I guess I'm hoping there is something basic that I'm doing wrong. Just in case, I've tried creating an actor pool to receive the work requests but that apparently has no effect on the results. My only speculation at this point is that perhaps the reason messages are taking so long to get to my actor is because jetty itself is overloaded trying to queue requests but that is just a guess. Thanks, Lincoln -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics --~--~-~--~~~---~--~~ 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: CometActor and render
Jack,
I reproduced your code and it seems to work fine. I've enclosed a working
copy.
Some comments about your code:
- The foos variable and the foo variable may be getting confused in the
code... the render method may be rendering the same thing based on the
unchanging foos variable.
- Doing null testing is a sign that you have logic errors in your code.
I strongly recommend using either Box or Option for everything that can
logically not contain a value/reference. If you're bridging out to Java
code and are expecting null from the Java code, write a small bridge that
will wrapper the Java return values in Box/Option.
- You have a case class (Tick) that contains no parameters. Please use a
case object instead.
- Your Tick look is a spin loop. You fire a Tick message as part of
processing the Tick message. I would suggest that if you're polling, that
you have a reasonable poll interval, otherwise you'll starve your CPU.
Further, having reRender on each loop through means that you're forcing a
lot of bytes over the wire rather than only doing a reRender on changed
values.
Thanks,
David
On Sun, Nov 8, 2009 at 3:47 PM, Jack Widman jack.wid...@gmail.com wrote:
Sorry. Here it is: As I said, I know that when render is called,
foo.getValue has the right value. But it does not show on the screen, unless
I refresh the browser.
package com.foo.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.util._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import com.authoritude.snippet._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
super.localSetup
this ! Tick
}
var foo:Foo = null
override def lowPriority = {
case Tick = {
foo=FooQueue.getLatest
if (foo!=null foo.getValue -1) {
blogs = FooManager.process(foo, foos)
} else if (foo!=null){
foos = foos.remove((f:Foo)=(f.id==foo.id))
}
reRender(false)
this ! Tick
}
}
}
case class Tick
On Sun, Nov 8, 2009 at 5:31 AM, Timothy Perrett
timo...@getintheloop.euwrote:
Without posting your code it's going to be tough to help you.
Cheers, Tim
Sent from my iPhone
On 8 Nov 2009, at 08:14, jack jack.wid...@gmail.com wrote:
By the way, I know that when render is called, all the variables have
the right values. I just don't see it on the screen unless I refresh
it.
On Nov 8, 3:12 am, jack jack.wid...@gmail.com wrote:
I have a CometActor. render is called when it is supposed to be but I
don't see the changes. If I refresh the page at anytime, I do see the
changes. Any idea what might cause this?
--
Jack Widman
co-founder / cto, Authoritude, Inc.
203-641-9355
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
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yaker.tgz
Description: GNU Zip compressed data
[Lift] How quick is webdev with Lift?
How quick is webdev with Lift? Is your Lift dev-cycle of webapp is the same as with classic Java? I mean these steps: 1) code 2) compile 3) deploy 4) find error ... n-2) re-compile n-1) re-deploy ... Such as Scala is compilable lang, every change made into the snippets requires re-compile and re-deploy. This slows down development. Are you using JRebel (formerly JavaRebel)? I have used this lib for Java projects and it worked fine. Are there any other tips to speed up webdev on JVM-Scala-Lift compared to JVM-Java-XXX? --~--~-~--~~~---~--~~ 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: How quick is webdev with Lift?
I use JRebel and SBT (http://code.google.com/p/simple-build-tool/) and very rarely have to restart my server when doing development. It's a very quick dev-cycle. No big tips really. I save the code and reload the page and see the results of my work. -harryh --~--~-~--~~~---~--~~ 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: How to bind the Map to View in the Snippet ?
David,
Thanks very much!
It works now and can be shown in the page !
Cheers,
Neil
On Nov 9, 12:06 pm, David Pollak feeder.of.the.be...@gmail.com
wrote:
On Sun, Nov 8, 2009 at 7:45 PM, Neil.Lv anim...@gmail.com wrote:
How should i write the bind code ?
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7,
123,da))
data.flatMap(d= {
data.toList.flatMap(...)
Log.info( *: + d)
bind(data, in,
date_title - Text(222)
)
})
Get this erors:
found : Iterable[scala.xml.Node]
required: scala.xml.NodeSeq
data.flatMap(d= {
I'm not familiar with this.
I want the page show like this:
date - 2009/10/09
st1
date - 2009/10/10
Hello
M7
123
da
Cheers,
Neil
On Nov 9, 11:35 am, Naftoli Gugenheim naftoli...@gmail.com wrote:
That should not be foreach but flatMap.
Foreach is like map but returns Unit, and flatMap is like map but it
concatenates the resulting elements, which must be iterable (or iterators,
depending).
-
Neil.Lvanim...@gmail.com wrote:
Hi all,
How to bind the Map to View in the Snippet ?
This is the bind code
###
scala.collection.mutable.Map[String,List[String]] =
Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello, M7, 123,
da))
var data = Map(2009/10/09 - List(St1), 2009/10/10 - List(Hello,
M7, 123, da))
def doList(in : NodeSeq) : NodeSeq = {
data.foreach(d= {
bind(data, in,
time - Text({d._1}),
list - bindList(d._2)
)
})
def bindList(lists:List[String]) = {
lists flatMap { l =
bind(sec, chooseTemplate(data, list, in),
title - Text(l))
}
###
It always show this message:
found : Unit
required: scala.xml.NodeSeq
data.foreach(d= {
Cheers,
Neil
--
Lift, the simply functional web frameworkhttp://liftweb.net
Beginning Scalahttp://www.apress.com/book/view/1430219890
Follow me:http://twitter.com/dpp
Surf the harmonics
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[Lift] How to specify the SELECT statement in the Mapper ?
Hi all, There is some example code: ### SELECT id, name, sex, created_at, DAYOFWEEK(created_at,) as week, (CURRENT_DATE) as t FROM users WHERE created_at (CURRENT_DATE ) AND created_at (CURRENT_DATE + interval 2 day) ORDER BY created_at ASC ### How can i specify the SELECT statement that i don't want all the columns and i want add the column as week in the example code ? Any help would be much appreciated! Cheers, Neil --~--~-~--~~~---~--~~ 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: About the localization with lift:loc !
Neil,
Considering that we are both using the lift-core_xx_XX in our bundle.
1. S.??(works seamlessly)
However, I am having same issue with you on:
lift:loc locid=loginDefault Value/lift:loc OR
lift:loc loc_id=loginDefault Value/lift:loc OR
lift:loclogin/lift:loc
I am not sure if it has to do with the bundle name we are using but no, we
can't get lift:loc/ to work.
On Sat, Nov 7, 2009 at 9:46 PM, Neil.Lv anim...@gmail.com wrote:
yk,
I use the code that you write.
1:) I use this link to test the i18n
http://localhost:8080/?locale=ms_MY
S.??(login) = it works well !
2:) But this code in the html page, it always doesn't work too, just
show the Default value
lift:loc locid=loginDefault value/lift:loc
Thanks very much!
Cheers,
Neil
On Nov 7, 8:29 pm, Timothy Perrett timo...@getintheloop.eu wrote:
You should always be working with UTF-8 files for properties /
localisation - I think the encoding reported by jetty is something
different (that it reads from the system)... ensure your props files
are UTF-8 and go from there.
Cheers, Tim
On Nov 7, 12:48 am, yk ying.kwang...@gmail.com wrote:
Hi Tim,
I've developed n tested localization on windows and it worked
perfectly. however, localization of the same project placed on ubuntu
server 9.10 did not.
WinXP
---
jdk1.6
maven 2.2.1
lifeweb 1.1-M7
encoding=cp1252 (as reported by mvn jetty:run)
Ubuntu 9.10 server
---
openjdk OR sun-jdk6
maven 2.2.1
liftweb 1.1-M7
encoding=UTF-8 (as reported by mvn jetty:run)
I can't quite point my finger on why it worked on windows but not on
linux. Do i have to convert all files that need to be deployed to
UTF-8 encoding?
Thank you in advance.
Cheers,
yk
On Oct 26, 9:12 pm, Timothy Perrett timo...@getintheloop.eu wrote:
The browser already knows the locale, you have it backward! Your
localeCalculator is so that the browser can get lift to return the
right content.
Take a look at:
http://scala-tools.org/mvnsites/liftweb-1.1-M6/lift-webkit/scaladocs/...
I would start with just getting lift to explicitly set locale based
on
a query string or something... it will help you understand how the
mechanism works.
Cheers, Tim
On 26 Oct 2009, at 12:34, Neil.Lv wrote:
...
Where is the locale to be set that the browser can know the
locale ?
Thanks very much!
Cheers,
Neil
On Oct 26, 7:50 pm, Timothy Perrett timo...@getintheloop.eu
wrote:
setLocale was a method created by me, specific to my application -
it
does not exist in Lift... hence why I removed it in my simplified
example.
Cheers, Tim
On 26 Oct 2009, at 11:45, Neil.Lv wrote:
I have a silly question , where is the setLocale method ?
I don't know where the package located.
src\main\scala\bootstrap\liftweb\Boot.scala:63: error: not found:
value setLocale
setLocale(selectedLocale)
:)
Cheers,
Neil
On Oct 26, 5:50 pm, Timothy Perrett timo...@getintheloop.eu
wrote:
Yes, your template code is right - your just seeing the default
value
because you have not told lift what resources to use when it
gets
the
locale header from the browser.
tryo() is like try/catch however, it will catch exceptions and
returns
Box[T]
I would really suggest starting with something a lot simpler
than
the
one i detailed that uses cookies and all sorts. Perhaps
something
like:
def localeCalculator(request : Box[HTTPRequest]): Locale =
request.flatMap(r = {
tryo(r.locale) match {
// your match here
}
}).openOr(java.util.Locale.getDefault())
Hope that helps
Cheers, Tim
On 26 Oct 2009, at 09:21, Neil.Lv wrote:
lift:loc locid=loginLog in 222/lift:loc
That means this code is correctly, the problem is that the
browser
doesn't know the locale?
So we need to calculate the locale in the Boot.scala file ?
Cheers,
Neil
On Oct 26, 5:09 pm, Neil.Lv anim...@gmail.com wrote:
tryo(r.getParameter(locale)) match {
case Full(null) = workOutLocale
case Empty = workOutLocale
case Failure(_,_,_) = workOutLocale
case Full(selectedLocale) = {
setLocale(selectedLocale)
selectedLocale
}
}
In this code , what's the tryo ? is try ?
tryo () match {}
What's the changes about the HTTP container providers?
Thanks very much!
Cheers,
Neil
On Oct 26, 4:44 pm, Timothy Perrett timo...@getintheloop.eu
wrote:
Hmm - you posted a link to my article at the begining of this
thread;
in that article I explain lifts locale calculator. Without
this,
Lift
has no idea how you
[Lift] Re: My Sitemap Problem
I just realized that it should be:
Menu(Loc(AuserList, List(auser, list), User
List))) ::
User.sitemap
On Nov 9, 2:37 pm, Randinn rand...@gmail.com wrote:
I made this sitemap but the User.sitemap is not showing up on the
site, it looks like it should work but is not, can someone point out
what I did wrong?
val entries = Menu(Loc(Home, List(index), Home))::
Menu(Loc(Item, List(member, index) - false, Item),
Menu(Loc(ItemList, List(member, list), Item List)),
Menu(Loc(ItemCreate, List(member, create), Create
Item))) ::
Menu(Loc(Admin, List(admin, list) - true, Admin),
Menu(Loc(AdminList, List(admin, list), Category
List)),
Menu(Loc(UserCreate, List(admin, create), Create
Category))) ::
Menu(Loc(Auser, List(auser, list) - true, User),
Menu(Loc(AuserList, List(auser, list), User
List))) :: Nil
User.sitemap :: Nil
LiftRules setSiteMap SiteMap(entries : _*)
LiftRules.rewrite.append {
case RewriteRequest(
ParsePath(List(member, action, id),_,_,_),_,_) =
RewriteResponse(member :: action :: Nil, Map(id - id))
case RewriteRequest(
ParsePath(List(admin, action, id),_,_,_),_,_) =
RewriteResponse(admin :: action :: Nil, Map(id - id))
case RewriteRequest(
ParsePath(List(auser, action, id),_,_,_),_,_) =
RewriteResponse(auser :: action :: Nil, Map(id - id))
}
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[Lift] Re: CometActor and render
Thanks David. This is a big help. Can you tell me exactly how lowPriority,
mediumPriorty and highPriority work? When are they called?
On Sun, Nov 8, 2009 at 11:35 PM, David Pollak feeder.of.the.be...@gmail.com
wrote:
Jack,
I reproduced your code and it seems to work fine. I've enclosed a working
copy.
Some comments about your code:
- The foos variable and the foo variable may be getting confused in the
code... the render method may be rendering the same thing based on the
unchanging foos variable.
- Doing null testing is a sign that you have logic errors in your
code. I strongly recommend using either Box or Option for everything that
can logically not contain a value/reference. If you're bridging out to
Java
code and are expecting null from the Java code, write a small bridge that
will wrapper the Java return values in Box/Option.
- You have a case class (Tick) that contains no parameters. Please use
a case object instead.
- Your Tick look is a spin loop. You fire a Tick message as part of
processing the Tick message. I would suggest that if you're polling, that
you have a reasonable poll interval, otherwise you'll starve your CPU.
Further, having reRender on each loop through means that you're forcing a
lot of bytes over the wire rather than only doing a reRender on changed
values.
Thanks,
David
On Sun, Nov 8, 2009 at 3:47 PM, Jack Widman jack.wid...@gmail.com wrote:
Sorry. Here it is: As I said, I know that when render is called,
foo.getValue has the right value. But it does not show on the screen, unless
I refresh the browser.
package com.foo.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.util._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import com.authoritude.snippet._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
super.localSetup
this ! Tick
}
var foo:Foo = null
override def lowPriority = {
case Tick = {
foo=FooQueue.getLatest
if (foo!=null foo.getValue -1) {
blogs = FooManager.process(foo, foos)
} else if (foo!=null){
foos = foos.remove((f:Foo)=(f.id==foo.id))
}
reRender(false)
this ! Tick
}
}
}
case class Tick
On Sun, Nov 8, 2009 at 5:31 AM, Timothy Perrett
timo...@getintheloop.euwrote:
Without posting your code it's going to be tough to help you.
Cheers, Tim
Sent from my iPhone
On 8 Nov 2009, at 08:14, jack jack.wid...@gmail.com wrote:
By the way, I know that when render is called, all the variables have
the right values. I just don't see it on the screen unless I refresh
it.
On Nov 8, 3:12 am, jack jack.wid...@gmail.com wrote:
I have a CometActor. render is called when it is supposed to be but I
don't see the changes. If I refresh the page at anytime, I do see the
changes. Any idea what might cause this?
--
Jack Widman
co-founder / cto, Authoritude, Inc.
203-641-9355
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
--
Jack Widman
co-founder / cto, Authoritude, Inc.
203-641-9355
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[Lift] Is there a Order Map in the lift ?
Hi all, Is there a Order Map in the lift ? Example: 1- xx, 2 - yy, 3 - zz 1:) add 1- xx Map(1- xx) 2:) add 3 - zz Map(3 - zz, 1- xx) 3:) add 2 - yy Map(2 - yy, 3 - zz, 1- xx) The result maybe: Map(2 - yy, 3 - zz, 1- xx) But i want the structure(order by the number) is : Map(1- xx, 2 - yy, 3 - zz) Any help would be much appreciated ! Cheers, Neil --~--~-~--~~~---~--~~ 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 -~--~~~~--~~--~--~---
