public Stream GetProjection(Guid id, string name, string nmspace, HierarchyQuery query = null)
{
CheckInitialization();
try
{
_storage.StartReading();
var root = _projStorage.FindElement(name, nmspace);
if (root == null)
{
throw new ArgumentException("Ќевозможно получить проекцию - не найден переданный элемент");
}
var procQuery = new ProcessorQuery(query);
var parametersQuery = procQuery.Query
.ByDefault(
k2 => k2.ToDictionary(k => k.Key, k => k.Value, StringComparer.InvariantCultureIgnoreCase),
new Dictionary <string, string>());
Debug.Assert(root != null);
var parameterNames = new ParameterNames(parametersQuery.Select(k => k.Key));
var plan = ChoosePlan(root, procQuery.LeftDepth, parameterNames);
var conversedParameters = plan.ConverseArguments(parametersQuery);
var stream = RealisePlan(plan, id, nmspace, procQuery.LeftDepth, _streamer, conversedParameters);
stream.Position = 0;
return(stream);
}
finally
{
_storage.StopReading();
}
}
public ProcessorQuery(HierarchyQuery query)
{
if (query != null)
{
LeftDepth = query.AreaDepth == 0?-1:query.AreaDepth;
RemainingElemens = (query.RequiredElemens??new Guid[0]).ToList();
MaxItems = query.MaxItems == 0 ? int.MaxValue : query.MaxItems;
if (query.Query!=null)
Query = new UriQuery(query.Query);
}
else
{
LeftDepth = -1;
RemainingElemens = new List<Guid>();
MaxItems = int.MaxValue;
}
}
public ProcessorQuery(HierarchyQuery query)
{
if (query != null)
{
LeftDepth = query.AreaDepth == 0?-1:query.AreaDepth;
RemainingElemens = (query.RequiredElemens ?? new Guid[0]).ToList();
MaxItems = query.MaxItems == 0 ? int.MaxValue : query.MaxItems;
if (query.Query != null)
{
Query = new UriQuery(query.Query);
}
}
else
{
LeftDepth = -1;
RemainingElemens = new List <Guid>();
MaxItems = int.MaxValue;
}
}
