Update 0 modifications

Persistence Layer like OJB/Hibernate for working with eXist?

Hello,

i wanted to ask if someone knows of a persistence Layer like
OJB/Hibernate which has the capabilities to save/retrieve/update Java
Objects from/to an XML Database like eXist?

I read about JaxMe, but it doesn't seem to be very mature.

Basically i'm searching for sth where i can do the following (pseudocode):

DAO = new DAO();
DAO.configure(...);
obj = new MyObject();
obj.setID(2);
DAO.retrieve(obj);
obj.setName(someOtherName);
DAO.update(obj);
DAO.delete(obj);

I have the possiblity with xmlbeans or jaxme, etc. to generate java
classes from my xml schema, this would be the first step. But then, i
want to be able to easily insert/update/retrieve/delete those objects
from an xml db like eXist.

So if anyone knows and tells me, i would be happy 
Christoph

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Re: Persistence Layer like OJB/Hibernate for working with eXist?

Hi,

I use JAXB from Sun for the Java/XML marshalling and I've written my own DAO
to store, update and remove document from eXist.

It's easy to write a simple DAO using the eXist API.

Stephane

Christoph Hermann wrote:

>Hello,
>
>i wanted to ask if someone knows of a persistence Layer like
>OJB/Hibernate which has the capabilities to save/retrieve/update Java
>Objects from/to an XML Database like eXist?
>
>I read about JaxMe, but it doesn't seem to be very mature.
>
>Basically i'm searching for sth where i can do the following (pseudocode):
>
>DAO = new DAO();
>DAO.configure(...);
>obj = new MyObject();
>obj.setID(2);
>DAO.retrieve(obj);
>obj.setName(someOtherName);
>DAO.update(obj);
>DAO.delete(obj);
>
>I have the possiblity with xmlbeans or jaxme, etc. to generate java
>classes from my xml schema, this would be the first step. But then, i
>want to be able to easily insert/update/retrieve/delete those objects
>from an xml db like eXist.
>
>So if anyone knows and tells me, i would be happy 
>Christoph
>
>
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>_______________________________________________
>Exist-open mailing list
>Exist-open <at> lists.sourceforge.net
>https://lists.sourceforge.net/lists/listinfo/exist-open
>
>
>  
>

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Call to undeclared function: util:eval

Hello,
i'm using exist in a cocoon context.
I wanted to update exist to it's new version so i've downloaded the 
eXist-snapshot-20051026.jar .
To make my application work, with new exist i've replaced  :
    - exist.jar
    - exist-optional.jar
    - xmldb.jar
    - xmlrpc-1.2patched.jar
    - xml-apis.jar
    - xercesimpl.jar
   and added :
     - exist-modules.jar.

At first sight it seems to work .
Unfortunately each time I want to run an xquery using function like 
util:* or xmldb:* and so on,
i get the error : Call to undeclared function: util:*
or
Call to undeclared function: xmldb:*.

does somebody know what i should do ?

Here is an exemple of a xquery not working for me :

xquery version "1.0";

declare namespace util="http://exist-db.org/xquery/util";

<docs>{
let $result := util:eval("for $r in /*return $r")
let $count := count($result)
return <valids number="{$count}"/>
}</docs> 

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Re: Call to undeclared function: util:eval

Hi Myriam,

Myriam Delperier wrote:

> i'm using exist in a cocoon context.
> I wanted to update exist to it's new version so i've downloaded the 
> eXist-snapshot-20051026.jar .
> To make my application work, with new exist i've replaced  :
>    - exist.jar
>    - exist-optional.jar
>    - xmldb.jar
>    - xmlrpc-1.2patched.jar
>    - xml-apis.jar
>    - xercesimpl.jar
>   and added :
>     - exist-modules.jar.
> 
> At first sight it seems to work .
> Unfortunately each time I want to run an xquery using function like 
> util:* or xmldb:* and so on,
> i get the error : Call to undeclared function: util:*
> or
> Call to undeclared function: xmldb:*.
> 
> does somebody know what i should do ?

Just use a correct configuration file :

http://cvs.sourceforge.net/viewcvs.py/exist/eXist-1.0/conf.xml?annotate=1.81

(lines 126+)

Cheers,

--

-- 
Pierrick Brihaye, informaticien
Service régional de l'Inventaire / DRAC Bretagne
mailto:pierrick.brihaye <at> culture.gouv.fr / tél : +33 (0)2 99 29 67 78
http://usenet-fr.news.eu.org/fr-chartes/rfc1855.html#31. L'avez-vous lu ?

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Re: Persistence Layer like OJB/Hibernate for working with eXist?

Hello,
an alternative solution may be based on xquery for SGBDR.

You may have a look a http://xquare.objectweb.org/index.html
It's an open source project that permits to query SGBDR with xquery 
language.

I haven't used it yet but it sounds interesting.

HTH

Golgoth 14 a écrit :
> Hi,
> 
> I use JAXB from Sun for the Java/XML marshalling and I've written my own 
> DAO
> to store, update and remove document from eXist.
> 
> It's easy to write a simple DAO using the eXist API.
> 
> Stephane
> 
> Christoph Hermann wrote:
> 
>> Hello,
>>
>> i wanted to ask if someone knows of a persistence Layer like
>> OJB/Hibernate which has the capabilities to save/retrieve/update Java
>> Objects from/to an XML Database like eXist?
>>
>> I read about JaxMe, but it doesn't seem to be very mature.
>>
>> Basically i'm searching for sth where i can do the following 
>> (pseudocode):
>>
>> DAO = new DAO();
>> DAO.configure(...);
>> obj = new MyObject();
>> obj.setID(2);
>> DAO.retrieve(obj);
>> obj.setName(someOtherName);
>> DAO.update(obj);
>> DAO.delete(obj);
>>
>> I have the possiblity with xmlbeans or jaxme, etc. to generate java
>> classes from my xml schema, this would be the first step. But then, i
>> want to be able to easily insert/update/retrieve/delete those objects
>> from an xml db like eXist.
>>
>> So if anyone knows and tells me, i would be happy 
>> Christoph
>>
>>
>> -------------------------------------------------------
>> This SF.net email is sponsored by: Splunk Inc. Do you grep through log 
>> files
>> for problems?  Stop!  Download the new AJAX search engine that makes
>> searching your log files as easy as surfing the  web.  DOWNLOAD SPLUNK!
>> http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click
>> _______________________________________________
>> Exist-open mailing list
>> Exist-open <at> lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/exist-open
>>
>>
>>  
>>
> 
> 
> 
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> files
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> searching your log files as easy as surfing the  web.  DOWNLOAD SPLUNK!
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> _______________________________________________
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> Exist-open <at> lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/exist-open

--

-- 

BlueXML
Jean-Christophe Kermagoret
Directeur associé
jck <at> bluexml.org

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Re: Persistence Layer like OJB/Hibernate for working with eXist?

I've tested XQuark and its very usefull for reading data from a 
relational database.
Updating and removing are not provided by XQuark. You must use SQL or a DAO.

Stéphane

Jean-Christophe Kermagoret wrote:

> Hello,
> an alternative solution may be based on xquery for SGBDR.
>
> You may have a look a http://xquare.objectweb.org/index.html
> It's an open source project that permits to query SGBDR with xquery 
> language.
>
> I haven't used it yet but it sounds interesting.
>
> HTH
>
> Golgoth 14 a écrit :
>
>> Hi,
>>
>> I use JAXB from Sun for the Java/XML marshalling and I've written my 
>> own DAO
>> to store, update and remove document from eXist.
>>
>> It's easy to write a simple DAO using the eXist API.
>>
>> Stephane
>>
>> Christoph Hermann wrote:
>>
>>> Hello,
>>>
>>> i wanted to ask if someone knows of a persistence Layer like
>>> OJB/Hibernate which has the capabilities to save/retrieve/update Java
>>> Objects from/to an XML Database like eXist?
>>>
>>> I read about JaxMe, but it doesn't seem to be very mature.
>>>
>>> Basically i'm searching for sth where i can do the following 
>>> (pseudocode):
>>>
>>> DAO = new DAO();
>>> DAO.configure(...);
>>> obj = new MyObject();
>>> obj.setID(2);
>>> DAO.retrieve(obj);
>>> obj.setName(someOtherName);
>>> DAO.update(obj);
>>> DAO.delete(obj);
>>>
>>> I have the possiblity with xmlbeans or jaxme, etc. to generate java
>>> classes from my xml schema, this would be the first step. But then, i
>>> want to be able to easily insert/update/retrieve/delete those objects
>>> from an xml db like eXist.
>>>
>>> So if anyone knows and tells me, i would be happy 
>>> Christoph
>>>
>>>
>>> -------------------------------------------------------
>>> This SF.net email is sponsored by: Splunk Inc. Do you grep through 
>>> log files
>>> for problems?  Stop!  Download the new AJAX search engine that makes
>>> searching your log files as easy as surfing the  web.  DOWNLOAD SPLUNK!
>>> http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click
>>> _______________________________________________
>>> Exist-open mailing list
>>> Exist-open <at> lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/exist-open
>>>
>>>
>>>  
>>>
>>
>>
>>
>> -------------------------------------------------------
>> This SF.net email is sponsored by: Splunk Inc. Do you grep through 
>> log files
>> for problems?  Stop!  Download the new AJAX search engine that makes
>> searching your log files as easy as surfing the  web.  DOWNLOAD SPLUNK!
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>> _______________________________________________
>> Exist-open mailing list
>> Exist-open <at> lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/exist-open
>
>
>

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Java App Connecting to Exist

Hi.

I am doing a small project at college, for which I
need to create a little java application that connects
to exist.  I have installed and tested exist and
everything looks fine.  If I send a query using the
servlet in IE, it works.  However, when I try to run
the Retrieve example, copying it into Eclipse and
adding the exist.jar and xmldb.jar files, but when it
tries to instantiate the DatabaseImpl class I get an
error from ClassLoader.class saying source not found. 
Does anyone have an idea what I am doing wrong, what I
am missing, or have any little application that
connects to exist???

Thanks

Victor

		
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Re: Update 0 modifications

Have you considered using the newer XQuery update extensions instead?

http://exist-db.org/update_ext.html

On Wed, 2005-11-30 at 21:57 -0800, Eddie D wrote:
> I'm still having problems with the update. The ""insert update <test/>
> into /eforms/forms works fine in the exist client but within my code
> through the REST interface i keep geting the response 0 modifications.
> I have tryed puting the doc() or document() tags in as well and that
> didn't make any difference.
>  
> Request:
>  
> <?xml version="1.0"?>
> <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate"
> version="1.0">
>  <xupdate:append select="/eforms/forms" child="last()">
>   <xupdate:element name="form">
>    <test>TEST</test>
>   </xupdate:element>
>  </xupdate:append>
> </xupdate:modifications>
>  
> Response:
>  
> <?xml version='1.0'?>
> <exist:modifications
> mlns:exist='http://exist.sourceforge.net/NS/exist'
> count='0'>0modifications processed.</exist:modifications>
> Request:
> <?xml version="1.0" encoding="UTF-8"?>
> <query xmlns="http://exist.sourceforge.net/NS/exist"  start='1'
> max='5000'>
>  <text>
>   <![CDATA[update insert <test></test> into /eforms/forms]]>
>  </text>
>  <properties>
>   <property name="indent" value="yes"/>
>   <property name="encoding" value="UTF-8"/>
>  </properties>
> </query>
>  
> Response:
>  
> <exist:result xmlns:exist="http://exist.sourceforge.net/NS/exist"
> exist:hits="0" exist:start="1" exist:count="0"/>
>  
> URL:  http://localhost:8080/exist/servlet/db/eforms/dr/filledforms/
> File Name: eforms.xml 
> File Contents: <?xml version="1.0" encoding="UTF-8"?><forms/>
>  
> thanks eddie
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Permissions on the creation of a resource

Hello,
if I add a document in a document in a delection, by default the 
permissions on the doc are :
rwur-ur-- 
and I need to have :
rwurwur-- instead.
Is there something i can do to change this ? 

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