Problems creating Objects

[Volker Cordes]

Hello,
I want to use slide without the webdav servlet. I wrote a little program 
to test the installation.
But when creating new objects I only get Exceptions. I'm using this code 
(filedata is a
byte-array passed as parameter):

Domain.init("domain.xml");
token = Domain.accessNamespace(new SecurityToken(this), 
Domain.getDefaultNamespace());
if (token != null) {
CredentialsToken credentials;
credentials = new CredentialsToken("");
SlideToken slidetoken = new SlideTokenWrapper(new 
SlideTokenImpl(credentials));
slidetoken.setForceSecurity(false);
  
Content content = token.getContentHelper();
token.begin();
// The following line throws the Exception
token.getStructureHelper().create(slidetoken, new SubjectNode(), 
"/files/testfile.pdf");

NodeRevisionContent revisionContent = new NodeRevisionContent();
revisionContent.setContent(new ByteArrayInputStream(filedata));
  
NodeRevisionDescriptor revisionDesc = new 
NodeRevisionDescriptor(filedata.length);
revisionDesc.setSource("");
revisionDesc.setResourceType("");
revisionDesc.setContentLanguage("de");
revisionDesc.setContentType("application/pdf");
revisionDesc.setLastModified(new Date());
revisionDesc.setCreationDate(new Date());
revisionDesc.setOwner("mrlogic");
revisionDesc.setCreationUser("mrlogic");

content.create(slidetoken, "/files/testfile.pdf", revisionDesc, 
revisionContent);
  
token.commit();
}

domain.xml is the example file published on the homepage.
I'm getting the following Exception:
19:08:50,345 INFO  [STDOUT] 
org.apache.slide.common.ServiceAccessException: Service 
TxXMLFileDescriptorsStore at /var/semrell/store/metadata  working on 
/var/semrell/work/metadata access error : Conflict with uri /files. 
Cause is: no cause given
19:08:50,346 INFO  [STDOUT] at 
org.apache.slide.store.txfile.AbstractTxFileStoreService.throwInternalError(AbstractTxFileStoreService.java:411)
19:08:50,346 INFO  [STDOUT] at 
org.apache.slide.store.txfile.XMLResourceDescriptor.load(XMLResourceDescriptor.java:199)
19:08:50,346 INFO  [STDOUT] at 
org.apache.slide.store.txfile.TxXMLFileDescriptorsStore.getFileDescriptor(TxXMLFileDescriptorsStore.java:578)
19:08:50,346 INFO  [STDOUT] at 
org.apache.slide.store.txfile.TxXMLFileDescriptorsStore.storeObject(TxXMLFileDescriptorsStore.java:109)
19:08:50,347 INFO  [STDOUT] at 
org.apache.slide.store.AbstractStore.storeObject(AbstractStore.java:639)
19:08:50,347 INFO  [STDOUT] at 
org.apache.slide.store.ExtendedStore.storeObject(ExtendedStore.java:590)
19:08:50,347 INFO  [STDOUT] at 
org.apache.slide.structure.StructureImpl.store(StructureImpl.java:493)
19:08:50,347 INFO  [STDOUT] at 
org.apache.slide.structure.StructureImpl.create(StructureImpl.java:379)

Thanks for any help,
Volker
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Re: Problems creating Objects

[Volker Cordes]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Martin Kalén schrieb:
| Volker Cordes wrote:
|
|> I want to use slide without the webdav servlet. I wrote a little
|> program to test the installation. But when creating new objects I
|> only get Exceptions.
|
|
| We ran into similar problems. I don't know if it is a bug or
| feature, but we decided to call it Slide evil-bit since it was so
| "evil" to find out. ;-)
|
| Insert "evilBit();" call before this line (and anywhere before
| starting TX with nat.begin if the transaction contains a structure
| creation call):
|
|> token.begin();
|
|
| Function specification:
|
| private void evilBit() { /* From webdavservlet (mkCol) * "Prevent
| dirty reads" */ m_slideToken.setForceStoreEnlistment(true);
|
| /* JavaDoc for above: * Force store enlistment flag mutator. * If
| set to true, that will cause Slide to enlist the store * in the
| current transaction for all operations, to be able * to prevent
| dirty reads when doing complex updates. * That value should be set
| to true only in some very specific * critical sections of the code,
| as this would greatly decrease * the ability of Slide to handle
| multiple concurrent requests. */ }
|
| NB: I am not a Slide developer! This is just something a colleague
| of mine found out and that worked for us.
|
| I would be happy if someone else could explain this in detail or
| comment if it is the endorsed "Slide kernel-way" of doing things.
Hello,
that helped, now it works.
Thank you,
Volker
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Versioning

[Volker Cordes]

Hi,

I encountered the following problem when trying to save a new revision 
of an existing document (I'm using the Slide-API):


When saving a new revision of a document the create-method of the 
default ContentImpl only increases the minor version of the document. My 
problem is that I want to create a new major version. How do I do that?
I tried to set the NodeRevisionNumber manually but that didn't work 
because it is ignored by the content handler. And if I create the 
RevisionDescriptor myself (by calling 
uri.getStore().createRevisionDescriptor()) the descriptor isn't added to 
the descriptors-list and I cannot do that because the methods are 
package-private.
Is there any way to create a document with a new major version or do I 
have to change the Slide sourcecode?


Thanks,
Volker

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