static public ServerTransferSyntax Load(IPersistenceContext read, ServerEntityKey key)
{
var broker = read.GetBroker <IServerTransferSyntaxEntityBroker>();
ServerTransferSyntax theObject = broker.Load(key);
return(theObject);
}
static public ServerTransferSyntax Insert(ServerTransferSyntax entity)
{
using (var update = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
ServerTransferSyntax newEntity = Insert(update, entity);
update.Commit();
return newEntity;
}
}
static public ServerTransferSyntax Insert(ServerTransferSyntax entity)
{
using (var update = PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
ServerTransferSyntax newEntity = Insert(update, entity);
update.Commit();
return(newEntity);
}
}
static public ServerTransferSyntax Insert(IUpdateContext update, ServerTransferSyntax entity)
{
var broker = update.GetBroker<IServerTransferSyntaxEntityBroker>();
var updateColumns = new ServerTransferSyntaxUpdateColumns();
updateColumns.Uid = entity.Uid;
updateColumns.Description = entity.Description;
updateColumns.Lossless = entity.Lossless;
ServerTransferSyntax newEntity = broker.Insert(updateColumns);
return newEntity;
}
static public ServerTransferSyntax Insert(IUpdateContext update, ServerTransferSyntax entity)
{
var broker = update.GetBroker <IServerTransferSyntaxEntityBroker>();
var updateColumns = new ServerTransferSyntaxUpdateColumns();
updateColumns.Uid = entity.Uid;
updateColumns.Description = entity.Description;
updateColumns.Lossless = entity.Lossless;
ServerTransferSyntax newEntity = broker.Insert(updateColumns);
return(newEntity);
}
public UpdateStudyStateCommand(StudyStorageLocation location, StudyStatusEnum status, ServerTransferSyntax newSyntax) : base("Update the StudyState")
{
_location = location;
_newStatus = status;
_newSyntax = newSyntax;
}
/// <summary>
/// Do the restore.
/// </summary>
/// <param name="queueItem">The queue item to restore.</param>
public void Run(RestoreQueue queueItem)
{
using (RestoreProcessorContext context = new RestoreProcessorContext(queueItem))
{
try
{
// Load up related classes.
using (IReadContext readContext = _nasArchive.PersistentStore.OpenReadContext())
{
_archiveStudyStorage = ArchiveStudyStorage.Load(readContext, queueItem.ArchiveStudyStorageKey);
_serverSyntax = ServerTransferSyntax.Load(readContext, _archiveStudyStorage.ServerTransferSyntaxKey);
_syntax = TransferSyntax.GetTransferSyntax(_serverSyntax.Uid);
StudyStorageLocationQueryParameters parms = new StudyStorageLocationQueryParameters
{StudyStorageKey = queueItem.StudyStorageKey};
IQueryStudyStorageLocation broker = readContext.GetBroker<IQueryStudyStorageLocation>();
_location = broker.FindOne(parms);
if (_location == null)
{
_studyStorage = StudyStorage.Load(readContext, queueItem.StudyStorageKey);
if (_studyStorage==null)
{
DateTime scheduleTime = Platform.Time.AddMinutes(5);
Platform.Log(LogLevel.Error, "Unable to find storage location, rescheduling restore request to {0}",
scheduleTime);
queueItem.FailureDescription = "Unable to find storage location, rescheduling request.";
_nasArchive.UpdateRestoreQueue(queueItem, RestoreQueueStatusEnum.Pending, scheduleTime);
return;
}
}
}
if (_location == null)
Platform.Log(LogLevel.Info, "Starting restore of nearline study: {0}", _studyStorage.StudyInstanceUid);
else
Platform.Log(LogLevel.Info, "Starting restore of online study: {0}", _location.StudyInstanceUid);
// If restoring a Nearline study, select a filesystem
string destinationFolder;
if (_location == null)
{
ServerFilesystemInfo fs = _nasArchive.Selector.SelectFilesystem();
if (fs == null)
{
DateTime scheduleTime = Platform.Time.AddMinutes(5);
Platform.Log(LogLevel.Error, "No writeable filesystem for restore, rescheduling restore request to {0}",
scheduleTime);
queueItem.FailureDescription = "No writeable filesystem for restore, rescheduling request.";
_nasArchive.UpdateRestoreQueue(queueItem, RestoreQueueStatusEnum.Pending, scheduleTime);
return;
}
destinationFolder = Path.Combine(fs.Filesystem.FilesystemPath, _nasArchive.ServerPartition.PartitionFolder);
}
else
destinationFolder = _location.GetStudyPath();
// Get the zip file path from the xml data in the ArchiveStudyStorage entry
// Also store the "StudyFolder" for use below
string studyFolder = String.Empty;
string filename = String.Empty;
string studyInstanceUid = String.Empty;
XmlElement element = _archiveStudyStorage.ArchiveXml.DocumentElement;
if (element!=null)
foreach (XmlElement node in element.ChildNodes)
if (node.Name.Equals("StudyFolder"))
studyFolder = node.InnerText;
else if (node.Name.Equals("Filename"))
filename = node.InnerText;
else if (node.Name.Equals("Uid"))
studyInstanceUid = node.InnerText;
string zipFile = Path.Combine(_nasArchive.NasPath, studyFolder);
zipFile = Path.Combine(zipFile, studyInstanceUid);
zipFile = Path.Combine(zipFile, filename);
// Do a test read of the zip file. If it succeeds, the file is available, if it
// fails, we just set back to pending and recheck.
try
{
FileStream stream = File.OpenRead(zipFile);
// Read a byte, just in case that makes a difference.
stream.ReadByte();
stream.Close();
stream.Dispose();
}
catch (Exception ex)
{
DateTime scheduledTime = Platform.Time.AddSeconds(NasSettings.Default.ReadFailRescheduleDelaySeconds);
Platform.Log(LogLevel.Error, ex, "Archive {0} for Study {1} is unreadable, rescheduling restore to {2}",
zipFile, _studyStorage == null ? (_location == null ? string.Empty : _location.StudyInstanceUid) : _studyStorage.StudyInstanceUid,
scheduledTime);
// Just reschedule in "Restoring" state, the file is unreadable.
_nasArchive.UpdateRestoreQueue(queueItem, RestoreQueueStatusEnum.Restoring,
scheduledTime);
return;
}
if (_location == null)
RestoreNearlineStudy(queueItem, zipFile, destinationFolder, studyFolder);
else
RestoreOnlineStudy(queueItem, zipFile, destinationFolder);
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception processing restore request for {0} on archive {1}",
_studyStorage == null ? (_location == null ? string.Empty : _location.StudyInstanceUid) : _studyStorage.StudyInstanceUid,
_nasArchive.PartitionArchive.Description);
queueItem.FailureDescription = e.Message;
_nasArchive.UpdateRestoreQueue(queueItem, RestoreQueueStatusEnum.Failed, Platform.Time);
}
}
}
/// <summary>
/// Do the restore.
/// </summary>
/// <param name="queueItem">The queue item to restore.</param>
public void Run(RestoreQueue queueItem)
{
using (var context = new RestoreProcessorContext(queueItem))
{
try
{
// Load up related classes.
using (IReadContext readContext = _hsmArchive.PersistentStore.OpenReadContext())
{
_archiveStudyStorage = ArchiveStudyStorage.Load(readContext, queueItem.ArchiveStudyStorageKey);
_serverSyntax = ServerTransferSyntax.Load(readContext, _archiveStudyStorage.ServerTransferSyntaxKey);
_syntax = TransferSyntax.GetTransferSyntax(_serverSyntax.Uid);
var parms = new StudyStorageLocationQueryParameters
{StudyStorageKey = queueItem.StudyStorageKey};
var broker = readContext.GetBroker<IQueryStudyStorageLocation>();
_location = broker.FindOne(parms);
if (_location == null)
{
_studyStorage = StudyStorage.Load(readContext, queueItem.StudyStorageKey);
if (_studyStorage==null)
{
DateTime scheduleTime = Platform.Time.AddMinutes(5);
Platform.Log(LogLevel.Error, "Unable to find storage location, rescheduling restore request to {0}",
scheduleTime);
queueItem.FailureDescription = "Unable to find storage location, rescheduling request.";
_hsmArchive.UpdateRestoreQueue(queueItem, RestoreQueueStatusEnum.Pending, scheduleTime);
return;
}
}
}
if (_location == null)
{
Platform.Log(LogLevel.Info, "Starting restore of nearline study: {0}",
_studyStorage.StudyInstanceUid);
// Get the zip file path from the xml data in the ArchiveStudyStorage entry
// Also store the "StudyFolder" for use below
string studyFolder;
string zipFile = GetZipFileName(out studyFolder);
// Do a test read of the zip file. If it succeeds, the file is available, if it
// fails, we just set back to pending and recheck.
if (!CanReadZip(zipFile, queueItem))
return;
RestoreNearlineStudy(queueItem, zipFile, studyFolder);
}
else
{
Platform.Log(LogLevel.Info, "Starting restore of online study: {0}", _location.StudyInstanceUid);
// Get the zip file path from the xml data in the ArchiveStudyStorage entry
// Also store the "StudyFolder" for use below
string studyFolder;
string zipFile = GetZipFileName(out studyFolder);
// Do a test read of the zip file. If it succeeds, the file is available, if it
// fails, we just set back to pending and recheck.
if (!CanReadZip(zipFile, queueItem))
return;
RestoreOnlineStudy(queueItem, zipFile, _location.GetStudyPath());
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Error, e, "Unexpected exception processing restore request for {0} on archive {1}",
_studyStorage == null ? (_location == null ? string.Empty : _location.StudyInstanceUid) : _studyStorage.StudyInstanceUid,
_hsmArchive.PartitionArchive.Description);
queueItem.FailureDescription = e.Message;
_hsmArchive.UpdateRestoreQueue(queueItem, RestoreQueueStatusEnum.Failed, Platform.Time);
}
}
}
public ServerTransferSyntax GetServerTransferSyntax()
{
return(ServerTransferSyntax.Load(ServerTransferSyntaxKey));
}
