/// <summary>
/// Gets or create the future context that is linked to the underlying <see cref="ObjectContext"/>.
/// </summary>
/// <param name="objectQuery">The query source to get the future context from.</param>
/// <returns>An instance of <see cref="IFutureContext"/> to store waiting future queries.</returns>
public IFutureContext GetOrCreate(ObjectQuery objectQuery)
{
if (objectQuery == null)
throw new ArgumentNullException("objectQuery");
var objectContext = objectQuery.Context;
if (objectContext == null)
throw new ArgumentException("The source ObjectContext can not be null.", "objectQuery");
MaybeCleanup();
int key = RuntimeHelpers.GetHashCode(objectContext);
return _futureContext.GetOrAdd(key, k => new FutureContext(objectContext));
}
/// <summary>
/// Applies the current filter settings to an esql object query dynamically.
/// </summary>
/// <param name="filters">The filters.</param>
/// <param name="baseQuery">The base object query.</param>
/// <returns>ObjectQuery{Ticket}.</returns>
public static ObjectQuery<Ticket> ApplyToQuery(this ICollection<UserTicketListFilterColumn> filters, ObjectQuery<Ticket> baseQuery)
{
var filterColumns = filters.ToList();
if (filterColumns.Count > 0)
{
var fkeys = new string[filterColumns.Count];
var fParams = new ObjectParameter[filterColumns.Count];
for (var i = 0; i < filterColumns.Count; i++)
{
string optr;
var filterColumn = filterColumns[i];
if (filterColumn.ColumnValue == DBNull.Value)
{
optr = (filterColumn.UseEqualityComparison.HasValue && !filterColumn.UseEqualityComparison.Value)
? "IS NOT"
: "IS";
}
else
{
optr = (filterColumn.UseEqualityComparison.HasValue && !filterColumn.UseEqualityComparison.Value)
? "!="
: "=";
}
fkeys[i] = string.Format("it.{0} {1} {2}", filterColumn.ColumnName, optr, "@" + filterColumn.ColumnName);
//most of the time esql works with whatever type of param value you pass in, but
// enums in our collection are serialized to/from json as integers.
// Check if enum, and explicitly convert int value to the correct enum value
if (filterColumn.ColumnValueType != null && filterColumn.ColumnValueType.IsEnum)
{
filterColumn.ColumnValue = Enum.Parse(filterColumn.ColumnValueType, filterColumn.ColumnValue.ToString());
}
//assigning the type in ctor, then value directly as a param works around issues when the colum val is null.
fParams[i] = new ObjectParameter(filterColumn.ColumnName, filterColumn.ColumnValueType)
{
Value = filterColumn.ColumnValue
};
}
var wString = string.Join(" and ", fkeys);
baseQuery = baseQuery.Where(wString, fParams);
}
return baseQuery;
}
/// <summary>
/// Applies the current sort column settings to an esql object query dynamically.
/// </summary>
/// <param name="sorts">The sorts.</param>
/// <param name="baseQuery">The base object query.</param>
/// <returns>ObjectQuery{Ticket}.</returns>
public static ObjectQuery<Ticket> ApplyToQuery(this ICollection<UserTicketListSortColumn> sorts, ObjectQuery<Ticket> baseQuery)
{
var sortColumns = sorts.ToList();
if (sortColumns.Count > 0)
{
var skeys = new string[sortColumns.Count];
for (var i = 0; i < sortColumns.Count; i++)
{
var sortColumn = sortColumns[i];
var appd = (sortColumn.SortDirection == ColumnSortDirection.Ascending) ? string.Empty : "DESC";
skeys[i] = string.Format("it.{0} {1}", sortColumn.ColumnName, appd);
}
var kString = string.Join(",", skeys);
baseQuery = baseQuery.OrderBy(kString);
}
return baseQuery;
}
// what is the scenario about image level query
// TODO add support in Image Level Query
private void OnReceiveImageLevelQuery(DicomServer server, byte presentationId, DicomMessage message)
{
var tagList = new List<DicomTag>();
using (var pacsContext = new PacsContext())
{
var adapter = (IObjectContextAdapter)pacsContext;
var query = new ObjectQuery<Instance>("Instances", adapter.ObjectContext);
DicomAttributeCollection data = message.DataSet;
string studyInstanceUid = data[DicomTags.StudyInstanceUid].GetString(0, String.Empty);
string seriesInstanceUid = data[DicomTags.SeriesInstanceUid].GetString(0, String.Empty);
foreach (DicomAttribute attrib in data)
{
if (attrib.Tag.TagValue.Equals(DicomTags.SpecificCharacterSet)
|| attrib.Tag.TagValue.Equals(DicomTags.QueryRetrieveLevel))
continue;
tagList.Add(attrib.Tag);
if (!attrib.IsNull)
{
switch (attrib.Tag.TagValue)
{
}
}
}
int resultCount = 0;
try
{
foreach (Instance instance in query)
{
if (_cancelReceived)
{
throw new DicomException("DICOM C-Cancel Received");
}
resultCount++;
if (DicomSetting.Default.MaxQueryResponses != -1 &&
DicomSetting.Default.MaxQueryResponses < resultCount)
{
SendBufferedResponses(server, presentationId, message);
throw new DicomException("Maximum Configured Query Responses Exceeded: " + resultCount);
}
var response = new DicomMessage();
PopuldateInstance(message, response, tagList, instance);
_responseQueue.Enqueue(response);
if (_responseQueue.Count >= DicomSetting.Default.BufferedQueryResponses)
{
SendBufferedResponses(server, presentationId, message);
}
}
SendBufferedResponses(server, presentationId, message);
}
catch (Exception e)
{
if (_cancelReceived)
{
var errorResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, errorResponse,
DicomStatuses.Cancel);
}
}
}
var finalResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, finalResponse, DicomStatuses.Success);
}
private static void FunWithEntitySQL() {
using (AutoLotEntities context = new AutoLotEntities()) {
Console.WriteLine(context.Cars.ToString());
string queryString = "SELECT VALUE car from AutoLotEntities.Cars as car WHERE car.Color='Black'";
ObjectQuery<Car> contactQuery = new ObjectQuery<Car>(queryString, ((IObjectContextAdapter)context).ObjectContext);
foreach (var item in contactQuery) {
Console.WriteLine(item);
}
}
}
private void OnReceiveSeriesLevelQuery(DicomServer server, byte presentationId, DicomMessage message)
{
var tagList = new List<DicomTag>();
using (var pacsContext = new PacsContext())
{
var adapter = (IObjectContextAdapter)pacsContext;
var query = new ObjectQuery<Series>("Series", adapter.ObjectContext);
DicomAttributeCollection data = message.DataSet;
foreach (DicomAttribute attrib in data)
{
tagList.Add(attrib.Tag);
if (!attrib.IsNull)
{
switch (attrib.Tag.TagValue)
{
case DicomTags.StudyInstanceUid:
{
var uids = data[DicomTags.StudyInstanceUid].GetString(0, string.Empty);
IQueryable<int> studyQuery = from s in pacsContext.Studies
where uids.Contains(s.StudyUid)
select s.Id;
var result = studyQuery.ToArray();
if (result.Length == 0)
{
server.SendCFindResponse(presentationId, message.MessageId, new DicomMessage(),
DicomStatuses.Success);
return;
}
query = query.Where(QueryHelper.SetIntArrayCondition("StudyForeignKey", result));
}
break;
case DicomTags.SeriesInstanceUid:
{
var cond = QueryHelper.SetStringArrayCondition("SeriesUid",
(string[])
data[DicomTags.SeriesInstanceUid]
.Values);
query = query.Where(cond);
}
break;
case DicomTags.Modality:
{
var cond = QueryHelper.SetStringCondition("Modality",
data[DicomTags.Modality].GetString(0,
string
.Empty));
query = query.Where(cond);
}
break;
case DicomTags.SeriesNumber:
{
var cond = QueryHelper.SetStringCondition("SeriesNumber",
data[DicomTags.SeriesNumber].GetString(0,
string
.Empty));
query = query.Where(cond);
}
break;
case DicomTags.SeriesDescription:
{
var cond = QueryHelper.SetStringCondition("SeriesDescription",
data[DicomTags.StudyDescription].GetString
(0, string.Empty));
query = query.Where(cond);
}
break;
case DicomTags.PerformedProcedureStepStartDate:
{
var cond = QueryHelper.SetRangeCondition("PerformedProcedureStepStartDate",
data[
DicomTags
.PerformedProcedureStepStartDate]
.GetString(0, string.Empty));
query = query.Where(cond);
}
break;
case DicomTags.PerformedProcedureStepStartTime:
{
var cond = QueryHelper.SetRangeCondition("PerformedProcedureStepStartTime",
data[
DicomTags
.PerformedProcedureStepStartTime]
.GetString(0, string.Empty));
query = query.Where(cond);
}
break;
case DicomTags.RequestAttributesSequence: // todo
break;
default:
break;
}
}
}
int resultCount = 0;
try
{
foreach (Series series in query)
{
if (_cancelReceived)
{
throw new DicomException("DICOM C-Cancel Received");
}
resultCount++;
if (DicomSetting.Default.MaxQueryResponses != -1 &&
DicomSetting.Default.MaxQueryResponses < resultCount)
{
SendBufferedResponses(server, presentationId, message);
throw new DicomException("Maximum Configured Query Responses Exceeded: " + resultCount);
}
var response = new DicomMessage();
PopulateSeries(message, response, tagList, series);
_responseQueue.Enqueue(response);
if (_responseQueue.Count >= DicomSetting.Default.BufferedQueryResponses)
{
SendBufferedResponses(server, presentationId, message);
}
}
SendBufferedResponses(server, presentationId, message);
}
catch (Exception e)
{
if (_cancelReceived)
{
var errorResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, errorResponse,
DicomStatuses.Cancel);
}
}
}
var finalResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, finalResponse, DicomStatuses.Success);
}
private void OnReceiveStudyLevelQuery(DicomServer server, byte presentationId, DicomMessage message)
{
var tagList = new List<DicomTag>();
using (var pacsContext = new PacsContext())
{
var adapter = (IObjectContextAdapter)pacsContext;
var query = new ObjectQuery<Study>("Studies", adapter.ObjectContext);
DicomAttributeCollection data = message.DataSet;
foreach (DicomAttribute attrib in message.DataSet)
{
tagList.Add(attrib.Tag);
if (!attrib.IsNull)
{
switch (attrib.Tag.TagValue)
{
case DicomTags.StudyInstanceUid:
{
var cond = QueryHelper.SetStringArrayCondition("StudyInstanceUid",
(string[])data[DicomTags.StudyInstanceUid].Values);
if (!string.IsNullOrEmpty(cond))
{
query = query.Where(cond);
}
}
break;
case DicomTags.PatientsName:
{
var cond = QueryHelper.SetStringCondition("PatientName",
data[DicomTags.PatientsName].GetString(0,
string
.Empty));
if (!string.IsNullOrEmpty(cond))
{
query = query.Where(cond);
}
break;
}
case DicomTags.PatientId:
{
var cond = QueryHelper.SetStringCondition("PatientId",
data[DicomTags.PatientId].GetString(0,
string
.Empty));
break;
}
case DicomTags.PatientsBirthDate:
{
var cond = QueryHelper.SetRangeCondition("PatientBirthDate",
data[DicomTags.PatientsBirthDate].GetString
(0, string.Empty));
query = query.Where(cond);
break;
}
case DicomTags.PatientsSex:
{
var cond = QueryHelper.SetStringCondition("PatientSex",
data[DicomTags.PatientsSex].GetString(0,
string
.Empty));
query = query.Where(cond);
}
break;
case DicomTags.StudyDate:
{
var cond = QueryHelper.SetRangeCondition("StudyDate",
data[DicomTags.StudyDate].GetString(0,
string
.Empty));
query = query.Where(cond);
}
break;
case DicomTags.StudyTime:
{
var cond = QueryHelper.SetRangeCondition("StudyTime",
data[DicomTags.StudyTime].GetString(0,
string
.Empty));
query = query.Where(cond);
}
break;
case DicomTags.AccessionNumber:
{
var cond = QueryHelper.SetStringCondition("AccessionNumber",
data[DicomTags.AccessionNumber].GetString(
0, string.Empty));
query = query.Where(cond);
}
break;
case DicomTags.StudyId:
{
var cond = QueryHelper.SetStringCondition("StudyId",
data[DicomTags.StudyId].GetString(0, string.Empty));
query = query.Where(cond);
}
break;
case DicomTags.StudyDescription:
{
var cond = QueryHelper.SetStringCondition("StudyDescription",
data[DicomTags.StudyDescription].GetString(0, string.Empty));
query = query.Where(cond);
}
break;
case DicomTags.ReferringPhysiciansName:
{
var cond = QueryHelper.SetStringCondition("RefPhysician",
data[DicomTags.ReferringPhysiciansName]
.GetString(0, string.Empty));
query = query.Where(cond);
}
break;
case DicomTags.ModalitiesInStudy:
break;
default:
break;
}
}
}
int resultCount = 0;
try
{
foreach (Study study in query)
{
if (_cancelReceived)
{
throw new DicomException("DICOM C-Cancel Received");
}
resultCount++;
if (DicomSetting.Default.MaxQueryResponses != -1 &&
DicomSetting.Default.MaxQueryResponses < resultCount)
{
SendBufferedResponses(server, presentationId, message);
throw new DicomException("Maximum Configured Query Responses Exceeded: " + resultCount);
}
var response = new DicomMessage();
PopulateStudy(response, tagList, study);
_responseQueue.Enqueue(response);
if (_responseQueue.Count >= DicomSetting.Default.BufferedQueryResponses)
{
SendBufferedResponses(server, presentationId, message);
}
}
SendBufferedResponses(server, presentationId, message);
}
catch (Exception e)
{
if (_cancelReceived)
{
var errorResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, errorResponse,
DicomStatuses.Cancel);
}
return;
}
}
var finalResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, finalResponse, DicomStatuses.Success);
}
private void OnReceivePatientQuery(DicomServer server, byte presentationId, DicomMessage message)
{
var tagList = new List<DicomTag>();
using (var pacsContext = new PacsContext())
{
var adapter = (IObjectContextAdapter)pacsContext;
var query = new ObjectQuery<Patient>("Patients", adapter.ObjectContext);
DicomAttributeCollection data = message.DataSet;
foreach (DicomAttribute attribute in data)
{
tagList.Add(attribute.Tag);
if (!attribute.IsNull)
{
switch (attribute.Tag.TagValue)
{
case DicomTags.PatientsName:
{
var cond = QueryHelper.SetStringCondition("PatientName",
data[DicomTags.PatientsName].GetString(0, string.Empty));
query = query.Where(cond);
break;
}
case DicomTags.PatientId:
{
var cond = QueryHelper.SetStringCondition("PatientId",
data[DicomTags.PatientId].GetString(0, string.Empty));
query = query.Where(cond);
break;
}
case DicomTags.IssuerOfPatientId:
{
var cond = QueryHelper.SetStringCondition("Issuer",
data[DicomTags.IssuerOfPatientId]
.GetString(0, string.Empty));
}
break;
case DicomTags.PatientsSex:
break;
case DicomTags.PatientsBirthDate:
{
var cond = QueryHelper.SetStringArrayCondition("PatientBirthDate",
(string[])
data[DicomTags.PatientsBirthDate]
.Values);
query = query.Where(cond);
}
break;
default:
break;
}
}
}
int resultCount = 0;
try
{
foreach (Patient patient in query)
{
if (_cancelReceived)
{
throw new DicomException("DICOM C-Cancel Received");
}
resultCount++;
if (DicomSetting.Default.MaxQueryResponses != -1 &&
DicomSetting.Default.MaxQueryResponses < resultCount)
{
SendBufferedResponses(server, presentationId, message);
throw new DicomException("Maximum Configured Query Responses Exceeded: " + resultCount);
}
var response = new DicomMessage();
PopulatePatient(response, tagList, patient);
_responseQueue.Enqueue(response);
if (_responseQueue.Count >= DicomSetting.Default.BufferedQueryResponses)
{
SendBufferedResponses(server, presentationId, message);
}
}
SendBufferedResponses(server, presentationId, message);
}
catch (Exception e)
{
if (_cancelReceived)
{
var errorResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, errorResponse,
DicomStatuses.Cancel);
}
}
}
var finalResponse = new DicomMessage();
server.SendCFindResponse(presentationId, message.MessageId, finalResponse, DicomStatuses.Success);
}
/// <summary>
/// This query-builder method creates a new query whose results are all of
/// the results of this query, plus all of the results of the other query,
/// including any duplicates (i.e., results are not necessarily unique).
/// </summary>
/// <param name="query"> A query representing the results to add. </param>
/// <returns> a new ObjectQuery instance. </returns>
/// <exception cref="ArgumentNullException">If the query parameter is null.</exception>
public ObjectQuery <T> UnionAll(ObjectQuery <T> query)
{
Check.NotNull(query, "query");
return(new ObjectQuery <T>(EntitySqlQueryBuilder.UnionAll(QueryState, query.QueryState)));
}
private static bool IsLinqQuery(ObjectQuery query)
{
return(query.QueryState is ELinqQueryState);
}