public BsonDocument GetBsonDocumentContainsId(Type t, int id)
{
var collections = GetBsonDocumentsByType(t);
if (t.GetInterfaces().All(x => x != typeof(IHierarchyEntity)))
{
return(collections.FirstOrDefault());
}
lock (CachedIds)
{
var cachedColl = CachedIds.FirstOrDefault(x => x.Value.Object.Any(y => y == id));
if (cachedColl.Value != null)
{
var collection = (from coll in collections
let elemName = coll.Elements.FirstOrDefault(y => y.Name == "name")
where elemName.Value.AsString == cachedColl.Key
select coll).ToList().FirstOrDefault();
if (collection != null)
{
return(collection);
}
}
}
foreach (var document in collections)
{
var name = document.Elements.FirstOrDefault(y => y.Name == "name").Value.AsString;
var col = _mongoDb.GetCollection <BsonDocument>(name);
var filter = Builders <BsonDocument> .Filter.Eq("_id", id);
var count = col.FindAsync(filter).Result.ToListAsync().Result.Count;
lock (CachedIds)
{
if (!CachedIds.ContainsKey(name))
{
CreateCachedIdsAsync(col, name);
}
}
if (count == 1)
{
lock (CachedIds)
{
CachedIds.Remove(name);
}
CreateCachedIdsAsync(col, name);
return(document);
}
}
return(null);
}
private static Task CreateCachedIdsAsync(IMongoCollection <BsonDocument> col, string name)
{
var task = new Task(() =>
{
var projection = Builders <BsonDocument> .Projection.Include(new StringFieldDefinition <BsonDocument>("_id"));
var cachedIdsCollection =
new CachedObject <List <int> >()
{
Object = null, CachedPointTime = DateTime.Now
};
var options = new FindOptions <BsonDocument, BsonDocument> {
Projection = projection
};
var result = col.FindAsync(x => true, options).Result.ToListAsync().Result;
var idsList = new List <int>();
foreach (var bsd in result)
{
var elem = bsd.Elements.FirstOrDefault(y => y.Name == "_id");
idsList.Add(elem.Value.AsInt32);
}
cachedIdsCollection.Object = idsList;
lock (CachedIds)
{
if (!CachedIds.ContainsKey(name))
{
CachedIds.Add(name, cachedIdsCollection);
}
else
{
if (CachedIds[name].CachedPointTime < cachedIdsCollection.CachedPointTime)
{
CachedIds[name] = cachedIdsCollection;
}
}
}
});
task.Start();
return(task);
}