public async Task <QueryResourceResponse> QueryAsync(
QueryResourceRequest message,
CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(message);
ValidateRequestIdentifiers(message);
var queryTags = await _queryTagService.GetQueryTagsAsync(cancellationToken);
QueryExpression queryExpression = _queryParser.Parse(message, queryTags);
QueryResult queryResult = await _queryStore.QueryAsync(queryExpression, cancellationToken);
if (!queryResult.DicomInstances.Any())
{
return(new QueryResourceResponse());
}
IEnumerable <DicomDataset> instanceMetadata = await Task.WhenAll(
queryResult.DicomInstances
.Select(x => _metadataStore.GetInstanceMetadataAsync(x, cancellationToken)));
var responseBuilder = new QueryResponseBuilder(queryExpression);
IEnumerable <DicomDataset> responseMetadata = instanceMetadata.Select(m => responseBuilder.GenerateResponseDataset(m));
return(new QueryResourceResponse(responseMetadata));
}
public async Task <QueryResourceResponse> QueryAsync(
QueryParameters parameters,
CancellationToken cancellationToken)
{
EnsureArg.IsNotNull(parameters);
ValidateRequestIdentifiers(parameters);
var queryTags = await _queryTagService.GetQueryTagsAsync(cancellationToken : cancellationToken);
QueryExpression queryExpression = _queryParser.Parse(parameters, queryTags);
var partitionKey = _contextAccessor.RequestContext.GetPartitionKey();
QueryResult queryResult = await _queryStore.QueryAsync(partitionKey, queryExpression, cancellationToken);
if (!queryResult.DicomInstances.Any())
{
return(new QueryResourceResponse(Array.Empty <DicomDataset>(), queryExpression.ErroneousTags));
}
IEnumerable <DicomDataset> instanceMetadata = await Task.WhenAll(
queryResult.DicomInstances.Select(x => _metadataStore.GetInstanceMetadataAsync(x, cancellationToken)));
var responseBuilder = new QueryResponseBuilder(queryExpression);
IEnumerable <DicomDataset> responseMetadata = instanceMetadata.Select(m => responseBuilder.GenerateResponseDataset(m));
return(new QueryResourceResponse(responseMetadata, queryExpression.ErroneousTags));
}