/// <summary>
/// Création de l'instance de la strategie contenu dans le manifest
/// </summary>
/// <param name="owner"></param>
/// <param name="manifest">Manifest contenant la stratégie</param>
/// <returns></returns>
public StrategyBase AddStrategy(CandleElement owner, StrategyManifest manifest)
{
InternalPackage package = GetPackage(manifest.PackageName);
if (package == null)
{
return(null);
}
StrategyBase strategy = package.CreateStrategyInstance(manifest.StrategyTypeName, manifest.StrategyConfiguration);
if (strategy != null)
{
strategy.Owner = GetStrategyOwnerName(owner);
// Vérification des doublons
foreach (StrategyBase other in _strategies)
{
if (other.Owner == strategy.Owner && other.StrategyId == strategy.StrategyId)
{
return(other);
}
}
try
{
strategy.OnLoading(this, new EventArgs());
_strategies.Add(strategy);
}
catch (Exception ex)
{
IIDEHelper ide = ServiceLocator.Instance.GetService <IIDEHelper>();
if (ide != null)
{
ide.ShowMessageBox("Error when loading strategy " + strategy.DisplayName + " : " + ex.Message, "Error", System.Windows.Forms.MessageBoxButtons.OK);
ide.LogError(false, "Error when loading strategy " + strategy.DisplayName + " : " + ex.Message, 0, 0, "StrategyManager");
}
}
}
return(strategy);
}
/// <summary>
/// Renvoi le package associé au manifest en s'assurant qu'il soit à jour.
/// </summary>
/// <param name="packageName">Nom du package ou vide si strategyInterne</param>
/// <returns></returns>
public InternalPackage GetPackage(string packageName)
{
if (String.IsNullOrEmpty(packageName))
{
if (_internalPackage == null)
{
_internalPackage = new InternalPackage();
}
return(_internalPackage);
}
StrategyPackage package = Packages.Find(delegate(StrategyPackage p) { return(Utils.StringCompareEquals(p.Name, packageName)); });
if (package == null)
{
package = new StrategyPackage(packageName);
Packages.Add(package);
}
if (package.Synchronize())
{
return(package);
}
return(null);
}
/// <summary>
/// Chargement
/// </summary>
/// <param name="store">The store.</param>
/// <param name="fileName">Name of the file.</param>
/// <returns></returns>
public static StrategyManager Load(Store store, string fileName)
{
ILogger logger = ServiceLocator.Instance.GetService <ILogger>();
if (String.IsNullOrEmpty(fileName))
{
return(null);
}
StrategyManager sm = null;
try
{
using (StreamReader reader = new StreamReader(fileName))
{
// Désérialization de la description
XmlSerializer serializer = new XmlSerializer(typeof(StrategyManager));
sm = (StrategyManager)serializer.Deserialize(reader);
// Lecture et chargement des types
List <Type> types = new List <Type>();
foreach (StrategyTypeReference str in sm.StrategyTypes)
{
InternalPackage package = sm.GetPackage(str.PackageName);
if (package != null)
{
Type type = package.GetStrategyType(str.StrategyTypeName);
if (type != null)
{
types.Add(type);
}
}
}
// D'abord chargement de la stratégie de nommage
if (sm.NamingStrategyNode != null)
{
using (XmlNodeReader nr = new XmlNodeReader(sm.NamingStrategyNode))
{
serializer = new XmlSerializer(typeof(BaseNamingStrategy), types.ToArray());
sm._namingStrategy = (INamingStrategy)serializer.Deserialize(nr);
}
}
// Chargement des strategies
if (sm.StrategiesNode != null)
{
using (XmlNodeReader nr = new XmlNodeReader(sm.StrategiesNode))
{
serializer = new XmlSerializer(typeof(StrategyCollection), types.ToArray());
sm._strategies = (StrategyCollection)serializer.Deserialize(nr);
}
foreach (StrategyBase strategy in sm._strategies)
{
try
{
strategy.OnLoading(sm, new EventArgs());
StrategyPackage package = sm.GetPackage(strategy.PackageName) as StrategyPackage;
if (package != null)
{
strategy.StrategyFolder = package.PackageFolder;
}
}
catch (Exception ex)
{
IIDEHelper ide = ServiceLocator.Instance.GetService <IIDEHelper>();
if (ide != null)
{
ide.ShowMessageBox("Error when loading strategy " + strategy.DisplayName + " : " + ex.Message, "Error", System.Windows.Forms.MessageBoxButtons.OK);
ide.LogError(false, "Error when loading strategy " + strategy.DisplayName + " : " + ex.Message, 0, 0, "StrategyManager");
}
}
}
}
}
}
catch (Exception ex)
{
string text = ex.Message;
XmlException xex = ex as XmlException;
StringBuilder sb = new StringBuilder(ex.Message);
if (xex != null)
{
sb.AppendFormat(" line={0}, column={1}", xex.LineNumber, xex.LinePosition);
}
Exception iex = ex.InnerException;
while (iex != null)
{
sb.Append(" - ");
sb.Append(iex.Message);
iex = iex.InnerException;
}
text = sb.ToString();
if (logger != null)
{
logger.WriteError("StrategyManager", String.Format("Loading error {0}", text), ex);
}
IIDEHelper ide = ServiceLocator.Instance.GetService <IIDEHelper>();
if (ide != null)
{
ide.ShowMessage("Error when reading the strategies file (see error in the task list). A new empty file will be initialized. The current strategies file will be saved with a .bak extension");
}
try
{
// Sauvegarde du fichier en erreur
if (File.Exists(fileName))
{
Utils.CopyFile(fileName, fileName + ".bak");
}
}
catch { }
}
if (sm == null)
{
// Génération d'un fichier par défaut
sm = new StrategyManager();
sm.FileName = fileName;
sm.Save(store);
}
else
{
sm.FileName = fileName;
}
return(sm);
}
