Gunnar
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Hi,
Can anybody help solve my problem?
Gunnar
Here is the testcode:
package appengine.test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import javax.jdo.JDOHelper;
import javax.jdo.ObjectState
Hi,
Here are code for the entities MyEntity and SubEntity. Is anything
wrong with the code?
/Gunnar
package appengine.test;
import java.io.Serializable;
import java.util.ArrayList;
import javax.jdo.annotations.Element;
import javax.jdo.annotations.Extension;
import
Hi,
I need to have a one to many owned relationship and be able to reorder
the list.
The list is stored in the data store with new elements at the end
although I add the sub entity first in the ArrayList.
Any suggestions?
This is the result from my test servlet.
deleted all objects
persisted
Hi,
When I removed all transactions the code works!
Anyone know why it doesn't work with transactions?
Gunnar
On 7 mar, 18:58, Gunnar gunnar@gmail.com wrote:
Hi,
I've created a testservlet to illustrate my problem.
I want an owned uni-directional relationship between an entity and a
list
the second entity is stored in the
datastore and the first is lost.
When I add the third sub-entity I get an exception.
Here is the testservlet and then I'll add the result of the three
cases.
What can be wrong?
Gunnar
package com.google.appengine.demo;
import java.io.ByteArrayOutputStream;
import
Hi,
I finally found a solution like this:
list.add(first.copy());
where copy creates a new SubEntity and copies all fields except the
key to the new instance.
Do you regard this as a bug?
Gunnar
On 2 mar, 20:28, Gunnar gunnar@gmail.com wrote:
I've uploaded my app to google with the same
I've uploaded my app to google with the same result, so it's not a
problem with Eclipse or sdk version.
Gunnar
On 1 mar, 20:59, John Patterson jdpatter...@gmail.com wrote:
http://lmgtfy.com/?q=appengine+jdo+%22default+fetch+group%22
On 2 Mar 2010, at 02:50, Gunnar wrote:
I don't jnow what
Hi,
I followed Jakes advice to do e.setList(list) but no change.
I've also stepped through my code, but there is no exception!
Btw I use version 1.3.1 of the SDK.
Gunnar
On 1 mar, 15:28, John Patterson jdpatter...@gmail.com wrote:
It is unusual that you see no stack trace. Are you sure you
Hi,
I have not defined any fetch group, should I? If so how should I do
that?
Gunnar
On 1 mar, 15:28, John Patterson jdpatter...@gmail.com wrote:
It is unusual that you see no stack trace. Are you sure you are not
catching it? You could step through the code line by line to see what
I don't jnow what you mean with look into default fetch group!.
Please explain.
Gunnar
On 1 mar, 19:20, John Patterson jdpatter...@gmail.com wrote:
Did you look into default fetch group?
On 2 Mar 2010, at 01:04, Gunnar wrote:
Hi,
I followed Jakes advice to do e.setList(list) but no change
with it, in any case I dont think it is what you intended...
On Sat, Feb 27, 2010 at 2:52 PM, Gunnar gunnar@gmail.com wrote:
Hi,
I have problem with reordering a List.
I created a test with an entity called MyEntity which have a
ListSubEntity.
First I persist one instance of MyEntity
Hi,
I have problem with reordering a List.
I created a test with an entity called MyEntity which have a
ListSubEntity.
First I persist one instance of MyEntity with a list containing 3
SubEntity.
This works fine. Then I call a reorder servlet that moves the first
SubEntity to the last position in
I fully agree!
Gunnar
On 27 Jan, 19:22, datanucleus andy_jeffer...@yahoo.com wrote:
AListfollows the contract of java.util.List, hence obviously
ordering should be preserved. Whether it is JDO or JPA, the whole
point of transparent persistence - people shouldn't need to know
anything about
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