public async Task <IQueryExecutor> Open(string connectionName, ConnectionType connectionType, CancellationToken ct = default)
{
if (!_settings.CosmosDbConnections.ContainsKey(connectionName))
{
throw new ArgumentException($"ConnectionName {connectionName} does not exist", "connectionName");
}
if (CurrentName == connectionName && CurrentType == connectionType && CurrentQueryExecutor != null)
{
//just reuse the existing connection, it's still good
return(CurrentQueryExecutor);
}
//ResetConnection();
IQueryExecutor newExec = null;
switch (connectionType)
{
case ConnectionType.AzureGraphs:
newExec = new AzureGraphsExecutor(_settings.CosmosDbConnections[connectionName], _console);
break;
case ConnectionType.GremlinNet:
newExec = new GremlinExecutor(_settings.CosmosDbConnections[connectionName], _console);
break;
}
if (await newExec?.TestConnection(ct))
{
CurrentQueryExecutor?.Dispose();
CurrentName = connectionName;
CurrentType = connectionType;
CurrentQueryExecutor = newExec;
}
else
{
throw new ApplicationException("Failed to switch executors.");
}
return(CurrentQueryExecutor);
}
