它始终应该有提供抽象方法的逻辑

Question

我有这个抽象类：

 public abstract class Base 
{ 
    protected Timer timer = new Timer { AutoReset = false, Interval = 5000 }; 
    private bool _isTimedOut = false; 

    public bool IsTimedOut { get { return _isTimedOut; } } 

    public Base() 
    { 
     timer.Elapsed += (o, args) => _isTimedOut = true; 
    } 

    public abstract int Recieve(byte[] buffer); 

    private void TimerReset() 
    { 
     timer.Stop(); 
     timer.Start(); 
    } 
} 

每当收到方法是从一个派生类叫做它应该通过调用TimerReset方法复位定时器时间。我能否提供Recieve方法来重置计时器的逻辑？所以当我在派生类中重写这个成员时，我不必担心重置计时器吗？

Answer 1

您可以定义Receveive函数调用ResetTimer方法比调用另一个抽象的接收功能（ReceiveCore）：

public abstract class Base 
{ 
    protected Timer timer = new Timer { AutoReset = false, Interval = 5000 }; 
    private bool _isTimedOut = false; 

    public bool IsTimedOut { get { return _isTimedOut; } private set; } 

    public Base() 
    { 
     timer.Elapsed += (o, args) => _isTimedOut = true; 
    } 

    public int Recieve(byte[] buffer) // This method cannot be overridden. It calls the TimerReset. 
    { 
     TimerReset(); 
     return RecieveCore(buffer); 
    } 

    protected abstract int RecieveCore(byte[] buffer); // This method MUST be overridden. 

    private void TimerReset() 
    { 
     timer.Stop(); 
     timer.Start(); 
    } 
}