public object Resolve(Type type, object parameter)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
var args = new ServiceResolvingEventArgs(type, parameter, false);
//激发“Resolving”事件
this.OnResolving(args);
if (args.Cancel)
{
return(args.Result);
}
object result = null;
var entry = _storage.Get(type, parameter);
if (entry != null)
{
result = this.GetService(entry);
}
//激发“Resolved”事件
this.OnResolved(new ServiceResolvedEventArgs(type, parameter, false, result));
//返回解析的结果
return(result);
}
public IEnumerable <object> ResolveAll(Type type, object parameter)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
var args = new ServiceResolvingEventArgs(type, parameter, true);
//激发“Resolving”事件
this.OnResolving(args);
if (args.Cancel)
{
return(args.Result as IEnumerable <object>);
}
IEnumerable <object> result;
var entries = _storage.GetAll(type, parameter);
if (entries == null)
{
result = Enumerable.Empty <object>();
}
else
{
result = entries.Select(entry => this.GetService(entry));
}
//激发“Resolved”事件
this.OnResolved(new ServiceResolvedEventArgs(type, parameter, true, result));
//返回结果集
return(result);
}
public object Resolve(string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException("name");
}
var args = new ServiceResolvingEventArgs(name);
//激发“Resolving”事件
this.OnResolving(args);
if (args.Cancel)
{
return(args.Result);
}
object result = null;
var entry = _storage.Get(name);
if (entry != null)
{
result = this.GetService(entry);
}
//激发“Resolved”事件
this.OnResolved(new ServiceResolvedEventArgs(name, result));
//返回解析的结果
return(result);
}
protected virtual void OnResolving(ServiceResolvingEventArgs args)
{
var resolving = this.Resolving;
if (resolving != null)
{
resolving(this, args);
}
}