/// <summary>
/// Register a singleton with the singleton manager.
/// The singleton will be instantiated when InstantiateSingletons is called.
/// </summary>
public void RegisterSingleton(SingletonDef singletonDef)
{
Argument.NotNull(() => singletonDef);
Argument.NotNull(() => singletonDef.singletonType);
singletonDefs.Add(singletonDef);
}
/// <summary>
/// Instantiate a singleton from a definition.
/// </summary>
private object InstantiateSingleton(SingletonDef singletonDef, IFactory factory)
{
var type = singletonDef.singletonType;
logger.LogVerbose("Instantiating singleton " + type.Name + " that satisfies dependencies " + singletonDef.dependencyNames.Join(", "));
try
{
// Instantiate the singleton.
var singleton = singletonDef.Instantiate != null?singletonDef.Instantiate(factory, type) : factory.Create(type);
singletonDef.dependencyNames.Each(dependencyName => dependencyCache.Add(dependencyName, singleton));
return(singleton);
}
catch (Exception ex)
{
logger.LogError(ex, "Failed to instantiate singleton {SingletonTypeName}", type.Name);
return(null);
}
}
/// <summary>
/// Instantiate a singleton from a definition.
/// </summary>
private object InstantiateSingleton(SingletonDef singletonDef, IFactory factory)
{
var type = singletonDef.singletonType;
logger.LogInfo("Instantiating singleton " + type.Name + " that satisfies dependencies " + singletonDef.dependencyNames.Join(", "));
try
{
// Instantiate the singleton.
var singleton = singletonDef.Instantiate != null ? singletonDef.Instantiate(factory, type) : factory.Create(type);
singletonDef.dependencyNames.Each(dependencyName => dependencyCache.Add(dependencyName, singleton));
return singleton;
}
catch (Exception ex)
{
logger.LogError(ex, "Failed to instantiate singleton {SingletonTypeName}", type.Name);
return null;
}
}
/// <summary>
/// Register a singleton with the singleton manager.
/// The singleton will be instantiated when InstantiateSingletons is called.
/// </summary>
public void RegisterSingleton(SingletonDef singletonDef)
{
Argument.NotNull(() => singletonDef);
Argument.NotNull(() => singletonDef.singletonType);
singletonDefs.Add(singletonDef);
}
