public override Task <IAsyncCursor <BsonDocument> > ListCollectionsAsync(ListCollectionsOptions options, CancellationToken cancellationToken)
{
options = options ?? new ListCollectionsOptions();
var operation = CreateListCollectionsOperation(options);
return(ExecuteReadOperationAsync(operation, ReadPreference.Primary, cancellationToken));
}
private ListCollectionsOperation CreateListCollectionsOperation(ListCollectionsOptions options)
{
var messageEncoderSettings = GetMessageEncoderSettings();
return(new ListCollectionsOperation(_databaseNamespace, messageEncoderSettings)
{
Filter = options.Filter?.Render(_settings.SerializerRegistry.GetSerializer <BsonDocument>(), _settings.SerializerRegistry)
});
}
//public static IEnumerable<T> GetList<T>(this IMongoDatabase db, string collectionName, IEnumerable<T> entities) {
// db.GetCollection<T>(collectionName).InsertMany(entities);
// var filterBuilder = Builders<T>.Filter;
// var projectionBuilder = Builders<T>.Projection;
// var collection = db.GetCollection<T>(collectionName);
// //var filter = filterBuilder.ElemMatch("carpenter..., ?"); //<--- ???
// var projection = projectionBuilder.Exclude("_id");
// var list = await collection.Find(filter).Project(projection).ToListAsync();
// return list;
//}
public static IEnumerable <BsonValue> GetCollectionsWithName(this IMongoDatabase db)
{
var bre = new BsonRegularExpression("<YOUR REGEX PATTERN>");
var copt = new ListCollectionsOptions {
Filter = Builders <BsonDocument> .Filter.Regex("name", bre)
};
return(db.ListCollections(copt).ToList().Select(col => col["name"]));
}
public override Task <IAsyncCursor <BsonDocument> > ListCollectionsAsync(ListCollectionsOptions options, CancellationToken cancellationToken)
{
var messageEncoderSettings = GetMessageEncoderSettings();
var operation = new ListCollectionsOperation(_databaseNamespace, messageEncoderSettings)
{
Filter = options == null ? null : options.Filter.Render(_settings.SerializerRegistry.GetSerializer <BsonDocument>(), _settings.SerializerRegistry)
};
return(ExecuteReadOperationAsync(operation, ReadPreference.Primary, cancellationToken));
}
private ListCollectionsOperation CreateListCollectionsOperation(ListCollectionsOptions options)
{
var messageEncoderSettings = GetMessageEncoderSettings();
return(new ListCollectionsOperation(_databaseNamespace, messageEncoderSettings)
{
BatchSize = options?.BatchSize,
Filter = options?.Filter?.Render(_settings.SerializerRegistry.GetSerializer <BsonDocument>(), _settings.SerializerRegistry, _linqProvider),
RetryRequested = _client.Settings.RetryReads
});
}
public void ListCollections_should_execute_a_ListCollectionsOperation(
[Values(false, true)] bool usingSession,
[Values(false, true)] bool async)
{
var session = CreateSession(usingSession);
var filterDocument = BsonDocument.Parse("{ name : \"awesome\" }");
var filterDefinition = (FilterDefinition <BsonDocument>)filterDocument;
var options = new ListCollectionsOptions
{
Filter = filterDefinition
};
var cancellationToken = new CancellationTokenSource().Token;
var mockCursor = new Mock <IAsyncCursor <BsonDocument> >();
_operationExecutor.EnqueueResult <IAsyncCursor <BsonDocument> >(mockCursor.Object);
if (usingSession)
{
if (async)
{
_subject.ListCollectionsAsync(session, options, cancellationToken).GetAwaiter().GetResult();
}
else
{
_subject.ListCollections(session, options, cancellationToken);
}
}
else
{
if (async)
{
_subject.ListCollectionsAsync(options, cancellationToken).GetAwaiter().GetResult();
}
else
{
_subject.ListCollections(options, cancellationToken);
}
}
var call = _operationExecutor.GetReadCall <IAsyncCursor <BsonDocument> >();
VerifySessionAndCancellationToken(call, session, cancellationToken);
var op = call.Operation.Should().BeOfType <ListCollectionsOperation>().Subject;
op.DatabaseNamespace.Should().Be(_subject.DatabaseNamespace);
op.Filter.Should().Be(filterDocument);
}
public override Task <IAsyncCursor <BsonDocument> > ListCollectionsAsync(IClientSessionHandle session, ListCollectionsOptions options, CancellationToken cancellationToken)
{
Ensure.IsNotNull(session, nameof(session));
var operation = CreateListCollectionsOperation(options);
var effectiveReadPreference = ReadPreferenceResolver.GetEffectiveReadPreference(session, null, ReadPreference.Primary);
return(ExecuteReadOperationAsync(session, operation, effectiveReadPreference, cancellationToken));
}
public override Task <IAsyncCursor <BsonDocument> > ListCollectionsAsync(ListCollectionsOptions options, CancellationToken cancellationToken)
{
return(UsingImplicitSessionAsync(session => ListCollectionsAsync(session, options, cancellationToken), cancellationToken));
}
/// <inheritdoc />
public virtual Task <IAsyncCursor <BsonDocument> > ListCollectionsAsync(IClientSessionHandle session, ListCollectionsOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
throw new NotImplementedException();
}
/// <inheritdoc /> public abstract Task <IAsyncCursor <BsonDocument> > ListCollectionsAsync(ListCollectionsOptions options = null, CancellationToken cancellationToken = default(CancellationToken));
/// <inheritdoc />
public virtual IAsyncCursor <BsonDocument> ListCollections(ListCollectionsOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
throw new NotImplementedException();
}
public override IAsyncCursor <BsonDocument> ListCollections(IClientSessionHandle session, ListCollectionsOptions options, CancellationToken cancellationToken)
{
Ensure.IsNotNull(session, nameof(session));
options = options ?? new ListCollectionsOptions();
var operation = CreateListCollectionsOperation(options);
return(ExecuteReadOperation(session, operation, ReadPreference.Primary, cancellationToken));
}
private void Initialize()
{
lock (Sync)
{
var mongoUrl = MongoUrl.Create(_connectionString);
var mongoClient = new MongoClient(mongoUrl);
//var server = mongoClient.GetServer();
var database = mongoClient.GetDatabase(mongoUrl.DatabaseName);
//var filter = new Filter(new BsonDocument("name", _collectionName));
var findThisOne = new ListCollectionsOptions();
findThisOne.Filter = Builders<BsonDocument>.Filter.Eq("name", _collectionName);
var cursor = database.ListCollectionsAsync(findThisOne).Result;
var list = cursor.ToListAsync().GetAwaiter().GetResult();
var allCollections = list.Select(c => c["name"].AsString).OrderBy(n => n).ToList();
if (!allCollections.Contains(_collectionName))
{
var options = new CreateCollectionOptions();
options.Capped = true;
options.AutoIndexId = true;
options.MaxSize = _maxSize;
database.CreateCollectionAsync(_collectionName, options).GetAwaiter().GetResult();
}
_collection = database.GetCollection<ErrorModel>(_collectionName);
//_mongoInsertOptions = new MongoInsertOptions { CheckElementNames = false };
}
}
