public virtual void AssertSelected(bool outcome, RegistryAdminService.NodeSelector
selector)
{
bool select = selector.ShouldSelect("/", status, record);
NUnit.Framework.Assert.AreEqual(selector.ToString(), outcome, select);
}
public AsyncPurge(RegistryAdminService _enclosing, string path, RegistryAdminService.NodeSelector
selector, RegistryAdminService.PurgePolicy purgePolicy, BackgroundCallback callback
)
{
this._enclosing = _enclosing;
this.callback = callback;
this.selector = selector;
this.path = path;
this.purgePolicy = purgePolicy;
}
public virtual int Purge(string path, RegistryAdminService.NodeSelector selector,
RegistryAdminService.PurgePolicy purgePolicy, BackgroundCallback callback)
{
bool toDelete = false;
// look at self to see if it has a service record
IDictionary <string, RegistryPathStatus> childEntries;
ICollection <RegistryPathStatus> entries;
try
{
// list this path's children
childEntries = RegistryUtils.StatChildren(this, path);
entries = childEntries.Values;
}
catch (PathNotFoundException)
{
// there's no record here, it may have been deleted already.
// exit
return(0);
}
try
{
RegistryPathStatus registryPathStatus = Stat(path);
ServiceRecord serviceRecord = Resolve(path);
// there is now an entry here.
toDelete = selector.ShouldSelect(path, registryPathStatus, serviceRecord);
}
catch (EOFException)
{
}
catch (InvalidRecordException)
{
}
catch (NoRecordException)
{
}
catch (PathNotFoundException)
{
// ignore
// ignore
// ignore
// there's no record here, it may have been deleted already.
// exit
return(0);
}
if (toDelete && !entries.IsEmpty())
{
if (Log.IsDebugEnabled())
{
Log.Debug("Match on record @ {} with children ", path);
}
switch (purgePolicy)
{
case RegistryAdminService.PurgePolicy.SkipOnChildren:
{
// there's children
// don't do the deletion... continue to next record
if (Log.IsDebugEnabled())
{
Log.Debug("Skipping deletion");
}
toDelete = false;
break;
}
case RegistryAdminService.PurgePolicy.PurgeAll:
{
// mark for deletion
if (Log.IsDebugEnabled())
{
Log.Debug("Scheduling for deletion with children");
}
toDelete = true;
entries = new AList <RegistryPathStatus>(0);
break;
}
case RegistryAdminService.PurgePolicy.FailOnChildren:
{
if (Log.IsDebugEnabled())
{
Log.Debug("Failing deletion operation");
}
throw new PathIsNotEmptyDirectoryException(path);
}
}
}
int deleteOps = 0;
if (toDelete)
{
try
{
ZkDelete(path, true, callback);
}
catch (PathNotFoundException)
{
// sign that the path was deleted during the operation.
// this is a no-op, and all children can be skipped
return(deleteOps);
}
deleteOps++;
}
// now go through the children
foreach (RegistryPathStatus status in entries)
{
string childname = status.path;
string childpath = RegistryPathUtils.Join(path, childname);
deleteOps += Purge(childpath, selector, purgePolicy, callback);
}
return(deleteOps);
}
