public InsertFilesystemQueueCommand(FilesystemQueueTypeEnum queueType, ServerEntityKey filesystemKey,
ServerEntityKey studyStorageKey, DateTime scheduledTime, XmlDocument queueXml)
: base("Insert FilesystemQueue Record of type " + queueType)
{
_queueType = queueType;
_filesystemKey = filesystemKey;
_studyStorageKey = studyStorageKey;
_scheduledTime = scheduledTime;
_queueXml = queueXml;
}
public FilesystemQueue(
FilesystemQueueTypeEnum _filesystemQueueTypeEnum_
,ServerEntityKey _studyStorageKey_
,ServerEntityKey _filesystemKey_
,DateTime _scheduledTime_
,String _seriesInstanceUid_
,XmlDocument _queueXml_
):base("FilesystemQueue")
{
FilesystemQueueTypeEnum = _filesystemQueueTypeEnum_;
StudyStorageKey = _studyStorageKey_;
FilesystemKey = _filesystemKey_;
ScheduledTime = _scheduledTime_;
SeriesInstanceUid = _seriesInstanceUid_;
QueueXml = _queueXml_;
}
public FilesystemQueue(
FilesystemQueueTypeEnum _filesystemQueueTypeEnum_
, ServerEntityKey _studyStorageKey_
, ServerEntityKey _filesystemKey_
, DateTime _scheduledTime_
, String _seriesInstanceUid_
, XmlDocument _queueXml_
) : base("FilesystemQueue")
{
FilesystemQueueTypeEnum = _filesystemQueueTypeEnum_;
StudyStorageKey = _studyStorageKey_;
FilesystemKey = _filesystemKey_;
ScheduledTime = _scheduledTime_;
SeriesInstanceUid = _seriesInstanceUid_;
QueueXml = _queueXml_;
}
/// <summary>
/// Get a list of candidates from the <see cref="FilesystemQueue"/>.
/// </summary>
/// <param name="item">The ServiceLock item.</param>
/// <param name="scheduledTime">The scheduled time to query against</param>
/// <param name="type">The type of FilesystemQueue entry.</param>
/// <param name="statusCheck">If true, check for specific status value WorkQueue entries already existing, otherwise check for any WorkQueue entry.</param>
/// <returns>The list of queue entries.</returns>
protected IList<FilesystemQueue> GetFilesystemQueueCandidates(Model.ServiceLock item, DateTime scheduledTime, FilesystemQueueTypeEnum type, bool statusCheck)
{
using (ServerExecutionContext context = new ServerExecutionContext())
{
IFilesystemQueueEntityBroker broker = context.ReadContext.GetBroker<IFilesystemQueueEntityBroker>();
FilesystemQueueSelectCriteria fsQueueCriteria = new FilesystemQueueSelectCriteria();
fsQueueCriteria.FilesystemKey.EqualTo(item.FilesystemKey);
fsQueueCriteria.ScheduledTime.LessThanOrEqualTo(scheduledTime);
fsQueueCriteria.FilesystemQueueTypeEnum.EqualTo(type);
// Do the select based on the QueueStudyState (used to be based on a link to the WorkQueue table)
StudyStorageSelectCriteria studyStorageSearchCriteria = new StudyStorageSelectCriteria();
studyStorageSearchCriteria.QueueStudyStateEnum.EqualTo(QueueStudyStateEnum.Idle);
fsQueueCriteria.StudyStorage.Exists(studyStorageSearchCriteria);
fsQueueCriteria.ScheduledTime.SortAsc(0);
IList<FilesystemQueue> list = broker.Find(fsQueueCriteria, 0, ServiceLockSettings.Default.FilesystemQueueResultCount);
return list;
}
}
/// <summary>
/// Process StudyDelete Candidates retrieved from the <see cref="Model.FilesystemQueue"/> table
/// </summary>
/// <param name="candidateList">The list of candidate studies for deleting.</param>
/// <param name="type">The type of compress.</param>
private void ProcessCompressCandidates(IEnumerable<FilesystemQueue> candidateList, FilesystemQueueTypeEnum type)
{
DateTime scheduledTime = Platform.Time.AddSeconds(10);
foreach (FilesystemQueue queueItem in candidateList)
{
// Check for Shutdown/Cancel
if (CancelPending) break;
// First, get the StudyStorage locations for the study, and calculate the disk usage.
StudyStorageLocation location;
if (!FilesystemMonitor.Instance.GetWritableStudyStorageLocation(queueItem.StudyStorageKey, out location))
continue;
// Get the disk usage
StudyXml studyXml = LoadStudyXml(location);
using (IUpdateContext update = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
ILockStudy lockstudy = update.GetBroker<ILockStudy>();
LockStudyParameters lockParms = new LockStudyParameters();
lockParms.StudyStorageKey = location.Key;
lockParms.QueueStudyStateEnum = QueueStudyStateEnum.CompressScheduled;
if (!lockstudy.Execute(lockParms) || !lockParms.Successful)
{
Platform.Log(LogLevel.Warn, "Unable to lock study for inserting Lossy Compress, skipping study ({0}",
location.StudyInstanceUid);
continue;
}
scheduledTime = scheduledTime.AddSeconds(3);
IInsertWorkQueueFromFilesystemQueue workQueueInsert = update.GetBroker<IInsertWorkQueueFromFilesystemQueue>();
InsertWorkQueueFromFilesystemQueueParameters insertParms = new InsertWorkQueueFromFilesystemQueueParameters();
insertParms.WorkQueueTypeEnum = WorkQueueTypeEnum.CompressStudy;
insertParms.FilesystemQueueTypeEnum = FilesystemQueueTypeEnum.LossyCompress;
insertParms.StudyStorageKey = location.GetKey();
insertParms.ServerPartitionKey = location.ServerPartitionKey;
DateTime expirationTime = scheduledTime;
insertParms.ScheduledTime = expirationTime;
insertParms.DeleteFilesystemQueue = true;
insertParms.Data = queueItem.QueueXml;
insertParms.WorkQueueTypeEnum = WorkQueueTypeEnum.CompressStudy;
insertParms.FilesystemQueueTypeEnum = type;
try
{
WorkQueue entry = workQueueInsert.FindOne(insertParms);
InsertWorkQueueUidFromStudyXml(studyXml,update,entry.GetKey());
update.Commit();
_studiesInserted++;
}
catch(Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected problem inserting 'CompressStudy' record into WorkQueue for Study {0}", location.StudyInstanceUid);
// throw; -- would cause abort of inserts, go ahead and try everything
}
}
}
}
