private MongoDatabase ConnectMongoDatabaseAsync()
{
try
{
// if the underlying server connection is not connected...
if (MongoServerConnection.State == MongoServerState.Disconnected)
{
// connect to the server asynchronously
MongoServerConnection.ConnectAsyncDelegate(serverConnection_AsyncConnectionCompleted);
// but wait for the connected event call back to notify us that the server is connected
// before proceeding
_serverConnectionResetEvent.WaitOne();
_serverConnectionResetEvent.Reset();
}
else
{
while (MongoServerConnection.State == MongoServerState.Disconnected)
{
;
// spin until the server gets connected
// this case should only happen when a server connection asynchronously is connecting,
// and then a DatabaseConnection is created using it
}
}
// if DatabaseConnection failed to connect this will raise an exception
return(MongoServerConnection.GetDatabase(_dbName, WriteConcern.Acknowledged));
}
catch (Exception ex)
{
// probably illegal conn string or db name
throw new MongoDatabaseConnectionException("Error connecting to " + _dbName + " database", ex);
}
}
// Define the indexer, which will allow client code
// to use [] notation on the class instance itself.
public MongoCollection this[string collectionName]
{
get
{
// This indexer is very simple, and just returns
// the corresponding collection from the internal array.
return(MongoServerConnection.GetDatabase(Db.Name, WriteConcern.Acknowledged).GetCollection(collectionName));
}
}
/// <summary>
/// Synchronous connection
/// </summary>
public void Connect()
{
try
{
Db = null;
_databaseConnectionResetEvent.Reset();
// if the underlying MongoServerConnection is not connected, connect it since we
// depend on it to execute queries
if (MongoServerConnection.State == MongoServerState.Disconnected)
{
MongoServerConnection.Connect();
}
// if the database already exists than it is fetched otherwise created
Db = MongoServerConnection.GetDatabase(_dbName, WriteConcern.Acknowledged);
}
catch (Exception ex)
{
// TODO: add ex handling!
throw ex;
}
}