warehouse.java~16~

来自「《深入浅出设计模式》的完整源代码」· JAVA~16~ 代码 · 共 36 行

package securitysystem;

public class Warehouse extends SecurityZone{
  /**
    * This method is called by the notify method so that this
    * object can have a chance to handle measurements.
    */
   boolean handleNotification(int measurement, Sensor sensor) {
     if (sensor instanceof TemperatureSensor) {
       if (measurement > 200) {
           fireAlarm(this,sensor);
           return true;
       }
   }
       return false;
   } // handleNotification(int, Sensor)
   void fireAlarm(SecurityZone zone,Sensor sensor) {
       if (zone instanceof Area) {
           // Turn on sprinklers in surrounding areas
           // Don't call super.fireAlarm because that will turn on the
           // sprinkler for the whole warehouse.
           System.out.println("保安请马上去检查"+this.name+"的"+zone.name);
           if (getParent() != null)
             getParent().fireAlarm(zone,sensor);
           return;
       } // if
       super.fireAlarm(zone,sensor);
   } // fireAlarm(SecurityZone)

   public Warehouse(String string)
   {
     super(string);
   }

 }