/// <summary>
/// Initializes a new instance of the FlowEngine class.
/// </summary>
/// <param name="configItems"> The given all configuration items. .</param>
/// <param name="logFile"> The given file name to store the log. .</param>
/// <param name="statusRecorder"> The status recorder for the engine. .</param>
public FlowEngine(Dictionary<string, ConfigurationModule> configItems, string logFile, StatusRecorder statusRecorder)
{
if (configItems == null)
{
throw new ArgumentNullException("configItems");
}
if (string.IsNullOrEmpty(logFile))
{
throw new ArgumentNullException("logFile");
}
// Initializes the loggers.
Helper.TestWritable(logFile);
_detailLogger = new TextLogger(logFile, Encoding.Unicode);
_compactLogger = new ConsoleLogger();
if (statusRecorder != null)
{
SkipFinishedModules(statusRecorder, configItems);
}
// Creates the object to place the items.
_items = new Dictionary<string, FlowItem>();
try
{
// Setups the pipeline.
foreach (ConfigurationModule config in configItems.Values)
{
// Creates the item.
FlowItem item = new FlowItem(config);
item.Handler.StepStatusRecorder = statusRecorder;
// Initializes the inputs.
item.InitializeInputs(_items);
// Updates the implicit inputs.
item.UpdateImplictInputs(_items);
// Initializes the loggers.
item.InitializeLogger(_detailLogger, _compactLogger);
// Adds the item into the pipeline.
_items.Add(item.Name, item);
}
}
catch (ConfigurationException e)
{
Log("Failed to setup the pipeline because of exception - {0}{1}.", Environment.NewLine,
Helper.BuildExceptionMessage(e));
throw;
}
Log("All configuration loaded and pipeline is ready.");
_detailLogger.LogLine("The configuration file can be re-written as:");
_detailLogger.LogLine("{0}{1}", ToString(), Environment.NewLine);
}
/// <summary>
/// Sets the value to the given instance from another instance.
/// </summary>
/// <param name="inputName">The property's name of the given instance will be set the value to.</param>
/// <param name="item">The instance which will be get the value from.</param>
/// <param name="outputName">The property's name of the given instatnce will be get the value from.</param>
public void SetValue(string inputName, FlowItem item, string outputName)
{
if (string.IsNullOrEmpty(inputName))
{
throw new ArgumentNullException("inputName");
}
if (item == null)
{
throw new ArgumentNullException("item");
}
if (string.IsNullOrEmpty(outputName))
{
throw new ArgumentNullException("outputName");
}
if (!TypeInfo.Inputs.ContainsKey(inputName))
{
throw new ArgumentException(Helper.NeutralFormat("Input property \"{0}\" not found in model \"{1}\"",
inputName, Name));
}
if (!item.TypeInfo.Outputs.ContainsKey(outputName))
{
throw new ArgumentException(Helper.NeutralFormat("Input property \"{0}\" not found in model \"{1}\"",
outputName, item.Name));
}
TypeInfo.Inputs[inputName].SetValue(Handler, item.TypeInfo.Outputs[outputName].GetValue(item.Handler, null),
null);
}