/// <summary>
/// Opens the component.
/// </summary>
/// <param name="correlationId">(optional) transaction id to trace execution through call chain.</param>
public async virtual Task OpenAsync(string correlationId)
{
if (IsOpen())
{
return;
}
if (_connection == null)
{
_connection = CreateLocalConnection();
_localConnection = true;
}
if (_localConnection)
{
await _connection.OpenAsync(correlationId);
}
if (_connection.IsOpen() == false)
{
throw new InvalidStateException(correlationId, "CONNECTION_NOT_OPENED", "Database connection is not opened");
}
_databaseName = _connection.GetDatabaseName();
// Define database schema
DefineSchema();
// Recreate objects
await CreateSchemaAsync(correlationId);
_opened = true;
}
private PostgresConnection CreateLocalConnection()
{
var connection = new PostgresConnection();
if (_config != null)
{
connection.Configure(_config);
}
if (_references != null)
{
connection.SetReferences(_references);
}
return(connection);
}
/// <summary>
/// Sets references to dependent components.
/// </summary>
/// <param name="references">references to locate the component dependencies.</param>
public virtual void SetReferences(IReferences references)
{
_references = references;
_logger.SetReferences(references);
_dependencyResolver.SetReferences(references);
// Get connection
_connection = _dependencyResolver.GetOneOptional("connection") as PostgresConnection;
_localConnection = _connection == null;
// Or create a local one
if (_connection == null)
{
_connection = CreateLocalConnection();
}
}
public PostgresConnectionTest()
{
Db = new PostgresConnection();
postgresUri = Environment.GetEnvironmentVariable("POSTGRES_URI");
postgresHost = Environment.GetEnvironmentVariable("POSTGRES_HOST") ?? "localhost";
postgresPort = Environment.GetEnvironmentVariable("POSTGRES_PORT") ?? "5432";
postgresDatabase = Environment.GetEnvironmentVariable("POSTGRES_DB") ?? "test";
postgresUsername = Environment.GetEnvironmentVariable("POSTGRES_USERNAME") ?? "postgres";
postgresPassword = Environment.GetEnvironmentVariable("POSTGRES_PASSWORD") ?? "postgres";
if (postgresUri == null && postgresHost == null)
{
return;
}
if (Db == null)
{
return;
}
}
/// <summary>
/// Unsets (clears) previously set references to dependent components.
/// </summary>
public virtual void UnsetReferences()
{
_connection = null;
}