Right theme: JDO, get objects by id
On 17 апр, 08:38, Timofey Koolin timo...@koolin.ru wrote:
I need get some objects by ID from datastore, but I'm not sure exsists
every objects (some objects may was delete before my request).
PersistenceManager.getObjectsById(...) throw exception if not
Well, we can't guess for you what your proxy settings are but if your
browser can access the internet, there is a good chance you can extract from
it the proxy settings.
As for settings the Java proxy parameters : http://tinyurl.com/y6arrdb
On 18 April 2010 07:51, Raj rajkumar@gmail.com
Run into the same problem and had the same question. However note that the
previous major version of Hessian (3.X) works perfectly with
google-app-engine.
On 17 April 2010 23:23, Christoffer Pettersson corgr...@gmail.com wrote:
According to this thread:
Is exsists any other way to get objects by one query from program, if
I don't sure in exsists every of it?
Errm, a JDOQL query perhaps
SELECT FROM mydomain.MyClass WHERE :idCollection.contains(id)
and pass in a collection containing the ids of the objects you need.
--
You received this
http://groups.google.com/group/google-appengine-java/browse_thread/thread/fd8043e63ff6c22e/
the link above works only for persisting and retrieving hash maps ,but i did
not find any proper solution for updating and persisting the updated
hashmaps.
You have to provide a new reference to the
I'm sure referring to the log would tell you way more, like when an
object becomes dirty, and when it is persisted and changes lifecycle
state.
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ie ? Poor of you...
Anyway, if proxy settings ie is blank it probably means that you are behind
a so called transparent proxy which - theorically, implies that java
application should be working as tramsparently.
Youd need to assert that because right now there is no proof that proxy is
the root
ie ? Poor of you...well some corporate..bs.
Anyway will do per your suggestion.
Anyway to check the my proxy address and what type it is?
On 18 Apr, 13:26, Romain Pelisse bela...@gmail.com wrote:
ie ? Poor of you...
Anyway, if proxy settings ie is blank it probably means that you are behind
A rack server could be purchased anywhere. However, I want to
streamline my development and it would be best to build every thing on
GAE structure. Given I want to store real-time game data using
memcache, If I strictly maintain number of objects stored in memcache
(thus, limit the use of memcache
Weird. Execute your ant script with -v option, see if it shed some light on
what is happening here.
Le 18 avr. 2010 16:38, Raj rajkumar@gmail.com a écrit :
Just wrote a small java code to open a url and thats works fine. What
is the real probblem then?
On 18 Apr, 15:04, Raj
Have many people enabled the Datanucleus JDO level 2 caching for App
Engine? This thread:
http://groups.google.com/group/google-appengine-java/browse_thread/thread/13cb942ceb97dc/3ab7518edf6a8bc6
suggests that at least one person had the experience that it was quick
locally, but that there was
Hi,
I'm looking for a Google API that will let me access data from App
Engine Service, and get user's information regarding their App Engine
service. Kind of like OAuth to access calendar, documents, etc2. is
one exist for App Engine Service?
For example:
Given a username and password, I will
Hi Raj,
If you're using the JEE version of Eclipse, you can skip the step about
adding the Galileo update site and all - just unzip the plugin zip in the
dropins directory of your Eclipse installation, and restart.
Rajeev
On Sat, Apr 17, 2010 at 4:36 AM, Raj rajkumar@gmail.com wrote:
Glad that you got it working. Sorry that you had to struggle through that. I
am surprised that Eclipse's XML editor did not place warning markers about
having multiple definitions of the servlet-name tag - it should have done
that provided you had a valid reference to your XSD/DTD within the
Raj,
Romain Pelisse,
Sorry to bother you with this one and wrote to you directly.
Do not fork the thread. Even if I'm the only answering to your issue does
not means you can switch this to a personal discussion. Maybe other people
are facing the same issues and are waiting for this thread to
Hi every body. I have a problem with my model and I cannot figure out
what the problem is. So any help would be appreciated. to explain the
problem I wrote some sample code:
Here is my model:
Class A has one to many relationship with B
Class B has one to many relationship with C
Anybody got any idea how to do this? I've got the demo code from the
Java api overview working and can download stored ByteArray blobs from
my Flash client, but can't work out how to upload a ByteArray from
Flash.
I've been looking at building mime forms for submission (like this
blog entry
Even though Datanucleus' method seems better, I thought I'd list how I
would have done it. If anyone thinks that there would be problems
doing it my way, please let us all know.
Store a unique property of the parent (this would usually be the
PrimaryKey of the parent) in a data field of the child
Thanks
On 18 апр, 12:59, datanucleus andy_jeffer...@yahoo.com wrote:
Is exsists any other way to get objects by one query from program, if
I don't sure in exsists every of it?
Errm, a JDOQL query perhaps
SELECT FROM mydomain.MyClass WHERE :idCollection.contains(id)
and pass in a
The following posting by Max Ross of the Google App Engine engineering
team is extremely useful for the case of all serialized fields (which
is the only way you can store HashMap-s in GAE (at least so far)):
JDO/JPA Snippets That Work - Serialized Fields
http://bit.ly/9fMbPs
On Apr 18, 5:11 pm,
Thanks again, yes you are right, the ping cannot find the host.
Sorry to have wrote to you directly and thanks for your help.
My apologies.
On 18 Apr, 18:30, Romain Pelisse bela...@gmail.com wrote:
Raj,
Romain Pelisse,
Sorry to bother you with this one and wrote to you directly.
Do not
HI,
I somehow have the feeling that for pagination, cursors,
memcache and task queues can be used. But I can't get my head around
to get the exact code. Any experts here who can help?
The idea is like this ..
First time the query runs do something like this
q=Something.all()
q.filter
HI,
I somehow have the feeling that for pagination, cursors,
memcache and task queues can be used. But I can't get my head around
to get the exact code. Any experts here who can help?
The idea is like this ..
First time the query runs do something like this
q=Something.all()
q.filter
On Apr 18, 10:33 am, kamathln kamat...@gmail.com wrote:
the task could do something like this :
q=soemthing.all()
if cursor:
q.with_cursor(cursor)
q.limit(20)
next_cursor=q.cursor()
add the cursor to cache with unique session/query id
rinse, repeat till satisfied.
Fix:
--
hi , i am designing a simple project based to do list. the idea is to
define tasks under project ( no workflow - just task is completed or
not is required. ) in a hirarchial way. i.e. each task has multiple
task and that task may have other multiple task. a project can be said
to be completed if
one idea is to store both , reference value of project as well as
reference value of parent task in a child task. ( or referencelist
property ?? -- in that case , is it guranteed in appengine to
preserve list sequence ?? )
On Apr 18, 5:29 pm, gops patelgo...@gmail.com wrote:
hi , i am designing
How about updating all ancestors on task status change? That way you
wouldn't need to find all the children.
On Sun, Apr 18, 2010 at 2:29 PM, gops patelgo...@gmail.com wrote:
hi , i am designing a simple project based to do list. the idea is to
define tasks under project ( no workflow - just
Here is the approach I would probably take unless you have many
hundreds of child tasks.
I would keep a list of keys of all children of each project/task.
(You can then do a db.get and get all immediate children with single
call)
and each child has a reference to it's parent. In addition in each
Two diff ways can be used.
1. Google Account auth. There is a simple example somewhere on the
tutorial on this. Should be easy.
2. Another way (which I am using as not all my users have google
account), is to create local User account and hash of a password. Only
client knows the password.
Then
I'm experiencing the same issue - were you able to resolve?
On Mar 31, 5:17 pm, Jake jake.pier...@gmail.com wrote:
I have a rather large and intense sorting process that runs
periodically. When I enabled Appstats, this process started to fail
with the following trace.
When I disabled
On Apr 16, 10:37 pm, David Richardson channel...@gmail.com wrote:
I have a trivial test app to receive and process inbound email.
Here's the app.yaml file:
application: mailindb
version: 1
runtime: python
api_version: 1
inbound_services:
- mail
handlers:
- url: .*
script:
I would like to send an email to just one of my admin emails, and I
want it to come off the admin email quota, as opposed to the normal
quota. Both of the following possibilities failed:
* Sending a regular email to the admin's email address still resulted
in me being charged through the regular
Has anyone had issues with the queue_name keyword argument to
taskqueue.add?
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Hello chaps
I have a persistent class which has a ListString which is marked
@Persistent. I get no errors when persisting/updating the object in
the datastore, but the local datastore viewer shows nothing in the
column which corresponds to the ListString field. Is this normal,
or is something
I have a domain registered on Godaddy, and added to Google Apps.
Through Google Apps, i added my AppEngine application as service.
Ive setup the DNS records to server www from Appengine, this works
well. I've added the SPF record to my DNS records on Godaddy based on
this article:
Hi all,
I'm working with a few friends to design a desktop client that will
have Skype-like functionality (think Chat roulette). We are planning
on leveraging the App Engine to build it since we are so much more
familiar with web programming anyway, then we're going to package it
as a desktop
Sorry, I guess I was referring to the wrong things.
Instead of authentication, I actually wanted to do authorization, so
that I can access the data the user have stored in Google
applications. In my case, I wanted to access their App Engine data
(such as the application IDs that they have, etc2).
Add part of the required admin email address to the subject line and
the app name and setup filters to reject the mail not intended for you
as admin for this app
Subject: [App-Select-yossie] Some Error
filter 1: Accept all mail with [App-Select-yossie] in subject
filter 2: Reject all mail with
Yes, but that means fixing things on the client side. For each admin,
this needs to be configured. There's gotta be a way to do this on the
appengine side...
On Apr 18, 7:21 pm, djidjadji djidja...@gmail.com wrote:
Add part of the required admin email address to the subject line and
the app
I can answer my own question on this one. The docs are a little
confusing it seems to me. They seem to suggest that one can pass queue
as a kw to taskqueue.add. What you have to do if you want to do
this ... apparently ... is create an instance of Task and THEN use
task.add (queue_name='foo').
On
Is there a syntax for cron jobs that limits when they run?
For example, can I specify that a cron job run every every hour
between 9am and 9pm?
schedule: every 1 hour [except 10pm-8am]
Is there a different, verbose syntax that lists every time it runs
rather than using some kind of exception
This is still an issue for me...
On Apr 17, 7:26 am, toh momot...@gmail.com wrote:
Not a help, but I just wanted to say that I am having the same
issue...
Greg Tracy greg.tr...@att.net wrote:
I had the same problem again today...
There haven't been any code changes, and not all
off the top of my head.. you could define a cron job for every hour
9am, 10am, 11am, 12am with different names like job-9, job-10,
job-11 but have them all point to the same url to initiate the cron
job.
On Apr 18, 11:24 pm, Greg Tracy greg.tr...@att.net wrote:
Is there a syntax for cron jobs
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