/// <summary>
/// Opens the component.
/// </summary>
/// <param name="correlationId">(optional) transaction id to trace execution through call chain.</param>
/// <returns></returns>
public async Task OpenAsync(string correlationId)
{
if (_references != null)
{
throw new InvalidStateException(correlationId, "ALREADY_OPENED", "Container was already opened");
}
//if (_config == null)
// throw new InvalidStateException(correlationId, "NO_CONFIG", "Container was not configured");
try
{
_logger.Trace(correlationId, "Starting container.");
// Create references with configured components
_references = new ContainerReferences();
InitReferences(_references);
_references.PutFromConfig(_config);
SetReferences(_references);
// Get custom description if available
var infoDescriptor = new Descriptor("*", "context-info", "*", "*", "*");
_info = _references.GetOneRequired <ContextInfo>(infoDescriptor);
await _references.OpenAsync(correlationId);
// Get reference to logger
_logger = new CompositeLogger(_references);
_logger.Info(correlationId, "Container {0} started.", _info.Name);
}
catch (Exception ex)
{
_logger.Error(correlationId, ex, "Failed to start container");
await CloseAsync(correlationId);
throw;
}
}
public async Task StartAsync(string correlationId, CancellationToken token)
{
if (Config == null)
{
throw new InvalidStateException(correlationId, "NO_CONFIG", "Container was not configured");
}
try
{
Logger.Trace(correlationId, "Starting container.");
// Create references with configured components
InitReferences(References);
References.PutFromConfig(Config);
// Reference and open components
var components = References.GetAll();
Referencer.SetReferences(References, components);
await Opener.OpenAsync(correlationId, References.GetAll());
// Get reference to logger
Logger = new CompositeLogger(References);
// Get reference to container info
var infoDescriptor = new Descriptor("*", "container-info", "*", "*", "*");
Info = (ContainerInfo)References.GetOneRequired(infoDescriptor);
Logger.Info(correlationId, "Container {0} started.", Info.Name);
}
catch (Exception ex)
{
References = null;
Logger.Error(correlationId, ex, "Failed to start container");
throw;
}
}
/// <summary>
/// Closes component and frees used resources.
/// </summary>
/// <param name="correlationId">(optional) transaction id to trace execution through call chain.</param>
/// <returns></returns>
public async Task CloseAsync(string correlationId)
{
if (_references == null)
{
return;
}
try
{
_logger.Trace(correlationId, "Stopping {0} container", _info.Name);
// Close and dereference components
await _references.CloseAsync(correlationId);
_references = null;
_logger.Info(correlationId, "Container {0} stopped", _info.Name);
}
catch (Exception ex)
{
_logger.Error(correlationId, ex, "Failed to stop container");
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MicroserviceProcessContainer"/> class.
/// </summary>
public MicroserviceProcessContainer()
{
_references = new ContainerReferences();
}
/// <summary>
/// Awake this instance.
/// </summary>
protected virtual void Awake()
{
m_containerReferences = this.GetComponent <ContainerReferences>();
}
