protected override void OnExecute(CommandProcessor theProcessor, IUpdateContext updateContext)
{
var broker = updateContext.GetBroker <IArchiveQueueEntityBroker>();
var criteria = new ArchiveQueueSelectCriteria();
criteria.PartitionArchiveKey.EqualTo(_archive.GetKey());
criteria.StudyStorageKey.EqualTo(_studyStorage.GetKey());
broker.Delete(criteria);
}
/// <summary>
/// Determine if the specified partition can be deleted. If studies are scheduled
/// to be archived on that partition or studies are already archived on that partition,
/// then the partition may not be deleted.
///
/// </summary>
/// <param name="partition"></param>
/// <returns></returns>
public bool CanDelete(PartitionArchive partition)
{
ArchiveQueueAdaptor archiveQueueAdaptor = new ArchiveQueueAdaptor();
ArchiveQueueSelectCriteria selectCriteria = new ArchiveQueueSelectCriteria();
selectCriteria.PartitionArchiveKey.EqualTo(partition.GetKey());
ArchiveStudyStorageAdaptor archiveStudyStorageAdaptor = new ArchiveStudyStorageAdaptor();
ArchiveStudyStorageSelectCriteria criteria = new ArchiveStudyStorageSelectCriteria();
criteria.PartitionArchiveKey.EqualTo(partition.GetKey());
int queueItems = archiveQueueAdaptor.GetCount(selectCriteria);
int storageItems = 0;
// only check if we need to.
if (queueItems == 0)
{
storageItems = archiveStudyStorageAdaptor.GetCount(criteria);
}
return(!((queueItems > 0) || (storageItems > 0)));
}
/// <summary>
/// Get a list of restore candidates for the archive.
/// </summary>
/// <remarks>
/// Note that at the current time only one cadidate is returned at a time.
/// </remarks>
/// <returns>A restore candidate. null will be returned if no candidates exist.</returns>
public virtual RestoreQueue GetRestoreCandidate()
{
RestoreQueue queueItem;
using (IUpdateContext updateContext = PersistentStore.OpenUpdateContext(UpdateContextSyncMode.Flush))
{
QueryRestoreQueueParameters parms = new QueryRestoreQueueParameters();
parms.PartitionArchiveKey = _partitionArchive.GetKey();
parms.ProcessorId = ServerPlatform.ProcessorId;
parms.RestoreQueueStatusEnum = RestoreQueueStatusEnum.Pending;
IQueryRestoreQueue broker = updateContext.GetBroker <IQueryRestoreQueue>();
// Stored procedure only returns 1 result.
queueItem = broker.FindOne(parms);
if (queueItem != null)
{
updateContext.Commit();
}
}
return(queueItem);
}
private void CreateSubCommands()
{
_archiveXml = new XmlDocument();
_studyXml = _storageLocation.LoadStudyXml();
string studyFolder = _storageLocation.GetStudyPath();
// Create the study date folder
_zipFilename = Path.Combine(_hsmPath, _storageLocation.StudyFolder);
AddSubCommand(new CreateDirectoryCommand(_zipFilename));
// Create a folder for the study
_zipFilename = Path.Combine(_zipFilename, _storageLocation.StudyInstanceUid);
AddSubCommand(new CreateDirectoryCommand(_zipFilename));
// Save the archive data in the study folder, based on a filename with a date / time stamp
string filename = String.Format("{0}.zip", Platform.Time.ToString("yyyy-MM-dd-HHmm"));
_zipFilename = Path.Combine(_zipFilename, filename);
// Create the Xml data to store in the ArchiveStudyStorage table telling
// where the archived study is located.
XmlElement hsmArchiveElement = _archiveXml.CreateElement("HsmArchive");
_archiveXml.AppendChild(hsmArchiveElement);
XmlElement studyFolderElement = _archiveXml.CreateElement("StudyFolder");
hsmArchiveElement.AppendChild(studyFolderElement);
studyFolderElement.InnerText = _storageLocation.StudyFolder;
XmlElement filenameElement = _archiveXml.CreateElement("Filename");
hsmArchiveElement.AppendChild(filenameElement);
filenameElement.InnerText = filename;
XmlElement studyInstanceUidElement = _archiveXml.CreateElement("Uid");
hsmArchiveElement.AppendChild(studyInstanceUidElement);
studyInstanceUidElement.InnerText = _storageLocation.StudyInstanceUid;
// Create the Zip file
var zipStudyCommand = new CreateStudyZipCommand(_zipFilename, _studyXml, studyFolder, _tempPath)
{
ForceCompress = this.ForceCompress
};
zipStudyCommand.ProgressUpdated += (s, e) => EventsHelper.Fire(this.ProgressUpdated, this, e);
AddSubCommand(zipStudyCommand);
// Update the database.
AddSubCommand(new InsertArchiveStudyStorageCommand(_storageLocation.GetKey(), _archive.GetKey(), _storageLocation.ServerTransferSyntaxKey, _archiveXml));
}
/// <summary>
/// Delete the specified partition
///
/// </summary>
/// <param name="partition"></param>
/// <returns></returns>
public bool Delete(PartitionArchive partition)
{
return(_archiveAdapter.Delete(partition.GetKey()));
}
