public MallardDuck()
{
flyBehaviour = new FlyWithWingsBehaviour();
quackBehaviour = new QuackBehaviour();
}
public void setQuackBehaviour(QuackBehaviour qb)
{
quackBehaviour = qb;
}
public void PerformQuack() => QuackBehaviour?.Quack();
//public abstract void setFlyBehaviour(FlyBehaviour fly); //facem atribuirea direct in constructor
//{ _flyBehaviour = fly; } //facem abstracta sa obligam specificarea unei behaviour , schimbat, vezi mai sus
public void setQuackBehaviour(QuackBehaviour quack) //pentru a putea schimba la runtime
{
_quackBehaviour = quack;
}
public void PerformQuack()
{
QuackBehaviour.LaudQuack();
}
// 动态改变叫声
public void SetQuackMethod(QuackBehaviour qb)
{
quackBehaviour = qb;
}
public RedheadDuck()
{
flyBehaviour = new FlyWithWingsBehaviour();
quackBehaviour = new QuackBehaviour();
}
public void SetQuackBehaviour(QuackBehaviour qc)
{
QuackBehaviour = qc;
}
public void performQuack()
{
QuackBehaviour.quack();
}
