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Posted to slide-dev@jakarta.apache.org by bu...@apache.org on 2005/03/17 03:07:10 UTC
DO NOT REPLY [Bug 34047] New: -
A request of the LockDiscoveryProperty on a locked resource returns no owner
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http://issues.apache.org/bugzilla/show_bug.cgi?id=34047
Summary: A request of the LockDiscoveryProperty on a locked
resource returns no owner
Product: Slide
Version: Nightly
Platform: Other
OS/Version: HP-UX
Status: NEW
Severity: normal
Priority: P2
Component: Stores
AssignedTo: slide-dev@jakarta.apache.org
ReportedBy: paul_manofsky@stercomm.com
Found in: WCK 2.2pre1
I don't know if the problem I am experiencing is a bug, or by design. I am
using Eclipse as a client and have created a custom store to
retreive/lock/edit resources in a database. I can lock and retreive the
resources without any problem. Although, when I try to retreive a resource
that has been locked, I want to display a message stating that the resource is
locked and show the owner of the lock. I can retreive the
LockDiscoveryProperty object, but the owner is missing. Here is
what I have found within the WCK source.
The WebdavStoreAdapter class (specifically the inner class
TransactionId.enumerateLocks(WebdavStoreAdapter.java:892) calls my custom
store to get the lock on the specified resource. The
WebdavStoreLockExtension.Lock[] that is returned from my store
is used to create a NodeLock.
for (int i = 0; i < ids.length; i++) {
WebdavStoreLockExtension.Lock lockId = ids[i];
NodeLock lock = new NodeLock(lockId.getId(), uri.toString(),
lockId.getSubject(), "/actions/write", lockId.getExpirationDate(),
lockId.isInheritable(), lockId.isExclusive());
locks.add(lock);
}
The LockDiscoveryProperty obj will then use this NodeLock obj to display the
owner.
I would assume that the owner would be the 'subject' from the
WebdavStoreLockExtension.Lock. However, it turns out that the owner from the
LockDiscoveryProperty obj is populated from the 'ownerInfo' field of
the NodeLock. From the developer comments in the NodeLock class I found the
following definitions:
subject -is defined as the user who is the lock owner.
ownerInfo - is defined as contacting information about the lock owner.
I verified this by doing a setOwnerInfo( name ) on the NodeLock just after it
was created. After doing that, the owner then showed up in the
LockDiscoveryProperty obj.
>From the developer comments, I would assume that the 'subject' should be used
as the owner, not the ownerInfo. My apologies if I am incorrect.
The constructor used to create the NodeLock sets the ownerInfo field to null
which propogates to the null owner in the LockDiscoveryProperty . I am not
sure if the constructor needs to be changed to set the ownerInfo, or if the
LockDiscoveryProperty is referencing the ownerInfo field and it should really
be using the 'subject' field.
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