activeobjectengine.java

著名的uncle Bob的Agile software development的代码

import java.util.LinkedList;
import java.util.Iterator;

public class ActiveObjectEngine
{
  LinkedList itsCommands = new LinkedList();

  public void addCommand(Command c)
  {
    itsCommands.add(c);
  }

  public void run() throws Exception
  {
    while (!itsCommands.isEmpty())
    {
      Command c = (Command) itsCommands.getFirst();
      itsCommands.removeFirst();
      c.execute();
    }
  }
}