protected virtual IResponsibility <TResponsibilityContext> Compose()
{
if (!this.Responsibilities.Any())
{
throw new SAEException($" not register '{typeof(TResponsibilityContext).Name}' class IResponsibility");
}
var first = this.Responsibilities.First();
AbstractResponsibility <TResponsibilityContext> responsibility;
if (first is AbstractResponsibility <TResponsibilityContext> )
{
responsibility = (AbstractResponsibility <TResponsibilityContext>)first;
}
else
{
responsibility = new ProxyResponsibility <TResponsibilityContext>(first);
}
if (this.Responsibilities.Count() > 1)
{
for (int i = 1; i < this.Responsibilities.Count(); i++)
{
responsibility.Add(this.Responsibilities.ElementAt(i));
}
}
return(responsibility);
}
/// <summary>
/// 添加一个新的<paramref name="responsibility"/>链条进来
/// </summary>
/// <param name="responsibility"></param>
public virtual void Add(IResponsibility <TContext> responsibility)
{
if (responsibility == null)
{
return;
}
var proxy = responsibility as ProxyResponsibility <TContext>;
if (proxy == null)
{
proxy = new ProxyResponsibility <TContext>(responsibility);
}
if (this.Responsibility == null)
{
this.Responsibility = proxy;
}
else
{
((ProxyResponsibility <TContext>) this.Responsibility).Add(proxy);
}
}
