/// <summary>
/// Queries local datastore for studies based on specified search function.
/// </summary>
private void QueryStudies(string query, Converter <string, KeyValuePair <string, double>[]> searchFunc)
{
// if there is a previous task that may still be running, disconnect it so we effectively abandon it
if (_queryStudiesTask != null)
{
_queryStudiesTask.ProgressUpdated -= OnQueryStudiesProgressUpdate;
}
// clear existing items
_searchResults.Items.Clear();
// create new task to query similar studies asynchronously so as not to block UI
_queryStudiesTask = new BackgroundTask(
delegate(IBackgroundTaskContext ctx)
{
KeyValuePair <string, double>[] similarStudyUids = searchFunc(query);
foreach (KeyValuePair <string, double> kvp in similarStudyUids)
{
string studyUid = kvp.Key;
double score = kvp.Value;
QueryParameters queryParams = new QueryParameters();
queryParams.Add("PatientsName", "");
queryParams.Add("PatientId", "");
queryParams.Add("AccessionNumber", "");
queryParams.Add("StudyDescription", "");
queryParams.Add("ModalitiesInStudy", "");
queryParams.Add("StudyDate", "");
queryParams.Add("StudyInstanceUid", studyUid);
// currently only the local dicom store is supported
StudyItemList similarStudyItems = ImageViewerComponent.FindStudy(queryParams, null, "DICOM_LOCAL");
// should only ever be one result at most
// if zero results, it means the study exists in the tag database but not in the local dicom store
StudyItem studyItem = CollectionUtils.FirstElement(similarStudyItems);
if (studyItem != null)
{
StudyTableEntry entry = new StudyTableEntry(studyItem, MakeTagsString(_database.GetTagsForStudy(studyUid)), score);
ctx.ReportProgress(new StudyQueryProgress(entry));
}
}
}, false);
_queryStudiesTask.ProgressUpdated += OnQueryStudiesProgressUpdate;
_queryStudiesTask.Run();
}
private static StudyItemList Query(QueryParameters queryParams, List <KeyValuePair <string, Exception> > failedServerInfo, List <IServerTreeNode> servers)
{
StudyItemList aggregateStudyItemList = new StudyItemList();
foreach (IServerTreeNode serverNode in servers)
{
try
{
StudyItemList serverStudyItemList;
if (serverNode.IsLocalDataStore)
{
serverStudyItemList = ImageViewerComponent.FindStudy(queryParams, null, "DICOM_LOCAL");
}
else if (serverNode.IsServer)
{
Server server = (Server)serverNode;
ApplicationEntity ae = new ApplicationEntity(
server.Host,
server.AETitle,
server.Name,
server.Port,
server.IsStreaming,
server.HeaderServicePort,
server.WadoServicePort);
serverStudyItemList = ImageViewerComponent.FindStudy(queryParams, ae, "DICOM_REMOTE");
}
else
{
throw new Exception("Server is not queryable");
}
aggregateStudyItemList.AddRange(serverStudyItemList);
}
catch (Exception e)
{
// keep track of the failed server names and exceptions
failedServerInfo.Add(new KeyValuePair <string, Exception>(serverNode.Name, e));
}
}
return(aggregateStudyItemList);
}
public bool Load(string filename)
{
var extensions = new MediaFileSetReaderExtensionPoint();
MediaFileSet fileSet = null;
foreach (IMediaFileSetReader item in extensions.CreateExtensions())
{
if (item.TryRead(filename, out fileSet))
{
break;
}
}
if (fileSet == null)
{
return(false);
}
_dummyStudyTable.Items.AddRange(ImageViewerComponent.FindStudy(new QueryParameters(), fileSet,
"MediaFileSet"));
return(true);
}