private Tuple<IEnumerable<EntityDocument>,int> FindEntities(Lazy<WAHBitArray> plan, Page page, out int entitiesTotalCount)
{
IDocumentIndex entityIndexes = _documentIndexProvider.GetOrCreateDocumentIndex(_pluginContext.AccountName, DocumentIndexTypeToken.Entity);
IEnumerable<EntityDocument> found = entityIndexes.Find<EntityDocument>(plan, page.Number, page.Size, 0, out entitiesTotalCount);
var lastDocument = entityIndexes.GetLastDocument<EntityDocument>();
return Tuple.Create(found, lastDocument != null ? int.Parse(lastDocument.FileName) : 0);
}
private Tuple<IEnumerable<hOOt.Document>,int> FindComments(Lazy<WAHBitArray> plan, Page page, IEnumerable<EntityDocument> entityDocuments, int entitiesTotalCount, out int commentsTotalCount)
{
var commentIndex = _documentIndexProvider.GetOrCreateDocumentIndex(_pluginContext.AccountName, DocumentIndexTypeToken.Comment);
if (entityDocuments.Count() == page.Size)
{
commentIndex.Find<hOOt.Document>(plan, -1, -1, 0, out commentsTotalCount);
return Tuple.Create(Enumerable.Empty<hOOt.Document>(), 0);
}
Page newPage = CalculatePage(entitiesTotalCount, page.Number, page.Size);
IEnumerable<hOOt.Document> found = commentIndex.Find<hOOt.Document>(plan, newPage.Number, newPage.Size, newPage.PositionWithin, out commentsTotalCount);
var lastDocument = commentIndex.GetLastDocument<hOOt.Document>();
return Tuple.Create(found, lastDocument != null ? int.Parse(lastDocument.FileName) : 0);
}
public QueryRunResult Run(QueryPlan plan, Page page)
{
int entitiesTotalCount = 0;
int commentsTotalCount = 0;
var entityDocuments = plan.EntityPlan.HasValue ? FindEntities(plan.EntityPlan.Value, page, out entitiesTotalCount) : Tuple.Create(Enumerable.Empty<EntityDocument>(),0);
var commentDocuments = plan.CommentPlan.HasValue ? FindComments(plan.CommentPlan.Value, page, entityDocuments.Item1, entitiesTotalCount, out commentsTotalCount) : Tuple.Create(Enumerable.Empty<hOOt.Document>(), 0);
return new QueryRunResult
{
Entities = entityDocuments.Item1,
Comments = commentDocuments.Item1,
EntitiesTotalCount = entitiesTotalCount,
CommentsTotalCount = commentsTotalCount,
LastIndexedEntityId = entityDocuments.Item2,
LastIndexedCommentId = commentDocuments.Item2
};
}