Look at the Entity.setUnindexedProperty() method.
On Fri, Aug 21, 2009 at 7:51 PM, David Givend...@cowlark.com wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
I don't seem to see any APIs in DatastoreService or Entity that allow me
to do anything with indices. In particular, I want
Yes, adding multiple filters (with any FilterOperator) does an AND operation.
Vince
On Tue, Aug 25, 2009 at 10:51 AM, ted stockwellemorn...@gmail.com wrote:
Thanks much.
One more question...
If I want to select recipes that have both hamburger and olives should
I just add two filters???
I thought it did, but I may not have fully understood the question.
Using distributed locks would allow him to implement atomicity
(synchronization) of transactions in his application code without
modifying his data model, something like this:
exclusiveLock.lock();
try {
//
entity B fails.
Good stuff!
On Aug 26, 11:51 am, Vince Bonfanti vbonfa...@gmail.com wrote:
I thought it did, but I may not have fully understood the question.
Using distributed locks would allow him to implement atomicity
(synchronization) of transactions in his application code without
I notice that the Python memcache API supports an increment with
initial value operation:
http://code.google.com/appengine/docs/python/memcache/clientclass.html#Client_incr
Are there any plans to support this on Java? In the Python
implementation, is this simply done as three memcache
After upgrading to SDK 1.2.5, I've noticed a set of stack traces that
show up in both the development environment and on the production
server. These only appear if the logging level is set to INFO, and
they show up as INFO logs on the production server. I'm pretty sure
these are new in SDK 1.2.5
That's fine. :)
I just wanted to make sure someone was aware of this, since it
appeared to be something new introduced with the latest SDK.
On Fri, Sep 4, 2009 at 4:14 PM, Toby Reyeltsto...@google.com wrote:
It's a message that you can safely ignore. There is a reason it's logged at
INFO. :)
My first question on task queues...
I'd like to design my application to use a named (configured) queue if
it exists, but to drop back to using the default queue if the named
queue isn't configured. I'd like to do something like this:
Queue q = QueueFactory.getQueue( myQueue );
if ( q
Your two quick notes seem to be contradictory. In order to use
transactions, don't all of the entities have to be in the same entity
group?
Vince
On Fri, Sep 4, 2009 at 8:24 PM, Jason (Google)apija...@google.com wrote:
Batch puts are supported, yes, and as of yesterday's release, calling
I found the answer to this: the Queue.add() method throws
IllegalArgumentException if the specified queue isn't configured (BTW,
the message in the IllegalArgumentException is The specified queue is
unknown : but doesn't actually include the queue name in the message
string). This isn't as nice
Task queues are working properly when I deploy my app to Google's
servers, but never get executed in my development environment (Eclipse
Galileo). There are no errors, no logs, no indication of what's going
wrong. Queue.add() returns successfully, but my tasks never get
executed. I'm running the
Perfect! At least for initial debugging, that's actually better than
having the tasks execute automatically--it makes it easier to see
what's going on with multiple tasks being queued.
Thanks.
On Sun, Sep 6, 2009 at 7:05 PM, Max Rossmaxr+appeng...@google.com wrote:
Hi Vince,
In order to get
in getting some feedback on these.
Vince
On Tue, Sep 8, 2009 at 4:11 PM, Jason (Google)apija...@google.com wrote:
Hi Vince. I think this sounds reasonable. Please open a new issue.
- Jason
On Sat, Sep 5, 2009 at 11:48 AM, Vince Bonfanti vbonfa...@gmail.com wrote:
I found the answer
, Vince Bonfanti vbonfa...@gmail.com wrote:
Perfect! At least for initial debugging, that's actually better than
having the tasks execute automatically--it makes it easier to see
what's going on with multiple tasks being queued.
Thanks.
On Sun, Sep 6, 2009 at 7:05 PM, Max Rossmaxr+appeng
The GaeVFS (Google App Engine Virtual File System) project implements
a distributed, writable file system for Google App Engine:
http://code.google.com/p/gaevfs/
The current release (0.3) supports an API based on Apache Commons VFS
(http://commons.apache.org/vfs/). The latest code in
Are there any details available for this feature other than this
one-liner? Thanks.
On Wed, Sep 16, 2009 at 1:50 PM, Don Schwarz schwa...@google.com wrote:
The Service for storing and serving large files item on the Roadmap will
give you what you want when it launches:
Yes, GaeVFS (http://code.google.com/p/gaevfs/) provides access to the
local file system so that you can use a single API for accessing both
local and virtual files. However, local files are read-only; and,
you cannot create a virtual file with the same path and name as a
local file.
Vince
On
Hi Diana,
I've created GaeVFS to solve this problem:
http://code.google.com/p/gaevfs/
You can view a demonstration here:
http://gaevfs.appspot.com/
Note that the current released version (0.3) will only upload about
2.0MB before timing out; the latest code in SVN will support the
entered a path like /gaevfs/mypic
or /gaevfs/images/mypic, then selected a local small photo. On
submitting the form, received the 500 error...perhaps the photo had
spaces in the name?
On Oct 22, 3:10 pm, Vince Bonfanti vbonfa...@gmail.com wrote:
You were unable to upload a small photo on my
No, not yet. It's on the TODO list (see line 171 of the GaeVfsServlet
source code). If you--or anyone else--wants to add this I'll be happy
to accept a patch.
Vince
On Fri, Oct 23, 2009 at 11:42 AM, Diana Cruise diana.l.cru...@gmail.com wrote:
In terms of performance does gaevfs accmmodate
I assume you're using GaeVFS (http://code.google.com/p/gaevfs/)?
Basically, you need to create a java.util.ZipInputStream instance to
read the zip file.
GaeVFS implements a file system API based on Apache Commons VFS
(http://commons.apache.org/vfs/). To open an InputStream for a file
using
I'm having no luck with SDK 1.2.6 within Eclipse 3.5.1 (Windows). Yes,
I've added the -javaagent VM argument to my debug configuration.
However, if I try to do almost anything at all within my
ServletContextListener.contextInitialized() method I get this:
2009-10-23 17:48:59.192::INFO: Logging
The SDK (1.2.5) does not upload file with names that start with .
such as .h2.server.properties. I assume this is because such files
are considered hidden on Linux/UNIX; but, I'm running on Windows, so
this must be something in the SDK itself and not caused by the file
system.
Is this
to figure out how to configure things properly to support
junit testing...
Thanks.
Vince
2009/10/23 Miguel Méndez mmen...@google.com:
I'm going to check and see if I can reproduce this using your project.
On Fri, Oct 23, 2009 at 2:06 PM, Vince Bonfanti vbonfa...@gmail.com wrote:
I'm having no luck
, 2009 at 3:01 PM, Vince Bonfanti vbonfa...@gmail.com wrote:
I just figured out the problem. I had added appengine-api-stubs.jar
and appengine-local-runtime.jar to my project build path to support
junit testing. Upgrading to the 1.2.6 versions only changed the error
message, but removing them from
I think the 1.2.7 update is only for Python. The latest Java SDK is 1.2.6.
On Fri, Oct 23, 2009 at 12:02 PM, hildenl louis.hil...@gmail.com wrote:
Has anyone been able to update to 1.2.7 from Eclipse? I've got the
http://dl.google.com/eclipse/plugin/3.5 configured as a software site
and its
This looked like an interesting problem, and I already had most of the
pieces in place, so here's my first attempt, which is implemented in a
single class (also attached, along with some test files):
You might be interested in my CachingDatastoreService class:
http://code.google.com/p/gaevfs/source/browse/trunk/src/com/newatlanta/appengine/datastore/CachingDatastoreService.java
It has the following features:
- Implements the com.google.appengine.api.datastore.DatastoreService,
so it's
Great! Since someone else is now using this besides me, I've added
more comments. Also, I've added some testcases and fixed an issue when
invoking put() with entities that contain partial keys. If your
entities don't have complete keys when invoking put(), you should go
get the latest code.
Let
Here's one I got a few days ago. It looks like it timed-out while just
queuing up a task:
Uncaught exception from servlet
com.google.apphosting.api.DeadlineExceededException: This request
(8b0dab1ffe61eb3f) started at 2009/10/31 16:30:47.041 UTC and was
still executing at 2009/10/31 16:31:16.438
I just committed an update to this to remove the static
DatastoreService instance.
Vince
On Sat, Oct 31, 2009 at 2:08 PM, Vince Bonfanti vbonfa...@gmail.com wrote:
This looked like an interesting problem, and I already had most of the
pieces in place, so here's my first attempt, which
I'm not sure about adding a TemporaryTaskFailure
(TransientTaskFailure?) exception, but regardless of whether we do or
not, it seems that the Deferrable.doTask method should be declared to
throw Exception. Otherwise, implementations will be restricted to
throwing only RuntimeException (or
of TransientFailureException.
- Added comments.
Let me know if you have additional feedback.
Vince
On Sun, Nov 8, 2009 at 3:34 PM, Nick Johnson (Google)
nick.john...@google.com wrote:
Hi Vince,
On Sun, Nov 8, 2009 at 7:58 PM, Vince Bonfanti vbonfa...@gmail.com wrote:
Hi Nick,
Thanks
You can pass an object to a task by first serializing it to a byte array,
setting the byte array as the task payload, and then deserializing it when
your task runs. The following code demonstrates how to do this:
There appears to be a memory leak with the memcache implementation on the
dev server; I've opened a new issue for this:
http://code.google.com/p/googleappengine/issues/detail?id=2428
I have some testcases that make heavy use of memcache that are failing due
to this issue.
Vince
--
You
Hi Jeff,
Thanks for the suggestions and the code. David Chandler sent me a patch to
support user-specified queue names (almost exactly the same as your
changes), and I've committed that patch to SVN. Regarding your other
changes:
- I've probably make the url-pattern init parameter optional and
Or, something similar, using the IOUtils class from Commons I/O (
http://commons.apache.org/io/):
InputStream resourceAsStream =
getServletContext().getResourceAsStream.(pathToImage);
resp.setContentType(image/gif);
IOUtils.copy(resourceAsStream,resp.getOutputStream);
Vince
On Mon, Nov 30,
I'm not absolutely sure it's required, but I think in practice you should
always specify the content type. Note that you can get most common types via
a lookup based on the file extension:
String contentType = getServletContext().getMimeType( imagePath );
You can add additional mime types to
I'm trying to solve the following problem using task queues:
1. Queue a task to perform some action N.
2. Until action N has been performed, don't allow any other tasks to be
queued that also perform action N.
3. As soon as action N has been performed, immediately allow other tasks
to be
on this in the issue tracker.
Vince
On Tue, Dec 1, 2009 at 11:39 AM, Vince Bonfanti vbonfa...@gmail.com wrote:
I'm trying to solve the following problem using task queues:
1. Queue a task to perform some action N.
2. Until action N has been performed, don't allow any other tasks to be
queued
transactions: #1 - mutex begin
(create Entity), #2 - work for N, and #3 - mutex end (remove Entity).
Anyhow assuming your logic to trigger a new Task N can incorporate the
criteria for mutex exists, then what would keep this from working?
On Dec 1, 2:37 pm, Vince Bonfanti vbonfa...@gmail.com wrote:
BTW
.
I guess I'll just open a feature request on this in the issue
tracker.
Vince
On Tue, Dec 1, 2009 at 11:39 AM, Vince Bonfanti vbonfa...@gmail.com
wrote:
I'm trying to solve the following problem using task queues:
1. Queue a task to perform some action N.
2. Until
Yes, I received your patch and it's on my TODO list to review it and add it
to the code. Unfortunately, I've been a bit backed up with other projects.
I'm trying to get a new version of GaeVFS ready for release in the next few
weeks and will try to include your patch.
Vince
On Wed, Dec 2, 2009
What we really, really need is something similar to Amazon DevPay:
http://aws.amazon.com/devpay/
Vince
On Tue, Dec 1, 2009 at 2:08 PM, Ikai L (Google) ika...@google.com wrote:
I see what you mean. Say, an application marketplace where folks can
download source code for applications and
I just started testing with the 1.2.8 prerelease, and I'm getting the
following exception from Queue.add() in code that works in 1.2.6:
java.lang.IllegalStateException: Current enviornment must have the server
url available via the com.google.appengine.server_url_key attribute.
This only happens
I agree. My workaround was to create a ServletEventListener and put this in
the contextInitialized() method:
System.setProperty( appengine.server,
event.getServletContext().getServerInfo().contains( Development ) ?
development : production );
Vince
On Thu, Dec 3, 2009 at 1:15 PM, Jeff
AM, Vince Bonfanti vbonfa...@gmail.comwrote:
I just started testing with the 1.2.8 prerelease, and I'm getting the
following exception from Queue.add() in code that works in 1.2.6:
java.lang.IllegalStateException: Current enviornment must have the server
url available via
Is SDK 1.2.8 going to be added to the Eclipse update site?
Vince
On Thu, Dec 3, 2009 at 6:06 PM, App Engine Team appengine.nore...@gmail.com
wrote:
The App Engine team has been hard at work tackling our the issues on
our tracker, tweaking APIs and closing bugs. In addition to a ton of
bug
still finish running.
Thanks,
Max
On Fri, Dec 4, 2009 at 7:06 AM, Vince Bonfanti vbonfa...@gmail.comwrote:
Hi Max,
Yes, it works. Thanks very much.
Vince
P.S. While step-debugging a task, I noticed that they seem to time-out
very quickly--within about 5 seconds. Is this intentional
The exception is harmless. Add this to your logging.properties file to hide
it:
com.google.appengine.repackaged.com.google.common.base.FinalizableReferenceQueue.level=WARNING
There was previous discussion of this (search
for FinalizableReferenceQueue).
Vince
On Sat, Dec 5, 2009 at 1:00 PM,
I had the same issue, so instead I went to Help-Install New Software...,
then selected the Google App Engine site from the Work with... menu; then
it allowed me to select SDK 1.3.0.
Vince
On Wed, Dec 16, 2009 at 11:37 AM, Matt Farnell mfarn...@gmail.com wrote:
Hi Jason,
It could be just me
JVM. If there were more than web app,
I'm not sure whether Guice ServletModules would work, but that's not
an issue for now.
/dmchttp://turbomanage.wordpress.com
On Dec 2, 2:47 pm, Vince Bonfanti vbonfa...@gmail.com wrote:
The behavior you're reporting is exactly the opposite
I've written such a translater that implements a subset of JDOQL:
https://code.google.com/p/lowlevelquery/
https://code.google.com/p/lowlevelquery/There's really no documentation
other than the source code, which is a single class:
I haven't tried this, but...the BlobstoreService.serve() method takes a
javax.servlet.http.HttpServletResponse instance as a parameter. My guess is
that BlobstoreService.serve() simply invokes
HttpServletResponse.getOutputStream() and then writes the data to the output
stream. You could create
54 matches
Mail list logo
