/// <summary>
/// Returns a value indicating whether this study can be updated.
/// It does not necessarily mean a work queue entry can be inserted. Other conditions may require (eg, . </summary>
/// <param name="reason"></param>
/// <returns></returns>
public bool CanUpdate(out string reason)
{
reason = null;
if (StudyStatusEnum.Equals(StudyStatusEnum.OnlineLossy) && IsLatestArchiveLossless)
{
reason = String.Format("Study {0} cannot be updated because it has been archived as lossless and is currently lossy compressed.", StudyInstanceUid);
}
return(string.IsNullOrEmpty(reason));
}
public StudyStorage(
ServerEntityKey _serverPartitionKey_
,String _studyInstanceUid_
,DateTime _insertTime_
,DateTime _lastAccessedTime_
,Boolean _writeLock_
,Int16 _readLock_
,StudyStatusEnum _studyStatusEnum_
,QueueStudyStateEnum _queueStudyStateEnum_
):base("StudyStorage")
{
ServerPartitionKey = _serverPartitionKey_;
StudyInstanceUid = _studyInstanceUid_;
InsertTime = _insertTime_;
LastAccessedTime = _lastAccessedTime_;
WriteLock = _writeLock_;
ReadLock = _readLock_;
StudyStatusEnum = _studyStatusEnum_;
QueueStudyStateEnum = _queueStudyStateEnum_;
}
public StudyStorage(
ServerEntityKey _serverPartitionKey_
, String _studyInstanceUid_
, DateTime _insertTime_
, DateTime _lastAccessedTime_
, Boolean _writeLock_
, Int16 _readLock_
, StudyStatusEnum _studyStatusEnum_
, QueueStudyStateEnum _queueStudyStateEnum_
) : base("StudyStorage")
{
ServerPartitionKey = _serverPartitionKey_;
StudyInstanceUid = _studyInstanceUid_;
InsertTime = _insertTime_;
LastAccessedTime = _lastAccessedTime_;
WriteLock = _writeLock_;
ReadLock = _readLock_;
StudyStatusEnum = _studyStatusEnum_;
QueueStudyStateEnum = _queueStudyStateEnum_;
}
public UpdateStudyStateCommand(StudyStorageLocation location, StudyStatusEnum status, ServerTransferSyntax newSyntax) : base("Update the StudyState")
{
_location = location;
_newStatus = status;
_newSyntax = newSyntax;
}
/// <summary>
/// Updates the status of a study to a new status
/// </summary>
protected virtual void UpdateStudyStatus(StudyStorageLocation theStudyStorage, StudyStatusEnum theStatus, TransferSyntax theSyntax)
{
DBUpdateTime.Add(
delegate
{
using (
IUpdateContext updateContext =
PersistentStoreRegistry.GetDefaultStore().OpenUpdateContext(UpdateContextSyncMode.Flush))
{
// Select the Server Transfer Syntax
ServerTransferSyntaxSelectCriteria syntaxCriteria = new ServerTransferSyntaxSelectCriteria();
IServerTransferSyntaxEntityBroker syntaxBroker =
updateContext.GetBroker<IServerTransferSyntaxEntityBroker>();
syntaxCriteria.Uid.EqualTo(theSyntax.UidString);
ServerTransferSyntax serverSyntax = syntaxBroker.FindOne(syntaxCriteria);
if (serverSyntax == null)
{
Platform.Log(LogLevel.Error, "Unable to load ServerTransferSyntax for {0}. Unable to update study status.", theSyntax.Name);
return;
}
// Get the FilesystemStudyStorage update broker ready
IFilesystemStudyStorageEntityBroker filesystemQueueBroker =
updateContext.GetBroker<IFilesystemStudyStorageEntityBroker>();
FilesystemStudyStorageUpdateColumns filesystemQueueUpdate = new FilesystemStudyStorageUpdateColumns
{
ServerTransferSyntaxKey = serverSyntax.GetKey()
};
FilesystemStudyStorageSelectCriteria filesystemQueueCriteria = new FilesystemStudyStorageSelectCriteria();
filesystemQueueCriteria.StudyStorageKey.EqualTo(theStudyStorage.GetKey());
// Get the StudyStorage update broker ready
IStudyStorageEntityBroker studyStorageBroker =
updateContext.GetBroker<IStudyStorageEntityBroker>();
StudyStorageUpdateColumns studyStorageUpdate = new StudyStorageUpdateColumns
{
StudyStatusEnum = theStatus,
LastAccessedTime = Platform.Time
};
if (!filesystemQueueBroker.Update(filesystemQueueCriteria,filesystemQueueUpdate))
{
Platform.Log(LogLevel.Error, "Unable to update FilesystemQueue row: Study {0}, Server Entity {1}",
theStudyStorage.StudyInstanceUid, theStudyStorage.ServerPartitionKey);
}
else if (!studyStorageBroker.Update(theStudyStorage.GetKey(),studyStorageUpdate))
{
Platform.Log(LogLevel.Error, "Unable to update StudyStorage row: Study {0}, Server Entity {1}",
theStudyStorage.StudyInstanceUid, theStudyStorage.ServerPartitionKey);
}
else
updateContext.Commit();
}
}
);
}