private void CheckSetting(CircuitBreakerSetting setting)
{
if (setting == null)
{
throw new ArgumentNullException(nameof(setting));
}
if (setting.ProtectAction == null)
{
throw new NullReferenceException("ProtectAction不能为null");
}
if (setting.AllowFailInterval <= TimeSpan.Zero)
{
throw new ArgumentException("允许错误次数的时间间隔不能小于0");
}
if (setting.AllowFailTimes <= 0)
{
throw new ArgumentException("在间隔时间内允许错误的次数不能小于0");
}
if (setting.HalfOpenDuration <= TimeSpan.Zero)
{
throw new ArgumentException("打开状态下切换到半开状态的时间间隔不能小于0");
}
if (setting.HalfOpenRequestLimit <= 0)
{
throw new ArgumentException("半开状态下允许的请求次数不能小于0");
}
}
public CircuitBreaker(CircuitBreakerSetting setting)
{
CheckSetting(setting);
_setting = setting;
_closeState = new CloseState(this, new Tuple <TimeSpan, int>(_setting.AllowFailInterval, _setting.AllowFailTimes));
_openState = new OpenState(this, _setting.HalfOpenDuration);
_halfOpenState = new HalfOpenState(this, _setting.HalfOpenRequestLimit);
_lockObject = new object();
MoveToCloseState();
}