www.pudn.com > JAVIS-0.3.zip > QueueEvent.java

package fileio.event; 
 
 
import fileio.event.Event; 
import animation.VisualElement; 
import animation.Queue; 
import util.Colour; 
import util.Input; 
import util.Debug; 
 
import java.io.Reader; 
import java.io.IOException; 
 
/** 
    This class is instantiated when a queue event is found.  It will read its 
    attributes and finally create a new Queue object for use by the animation. 
 
    @author Steven Vischer 
    @version 1.0 
*/ 
public class QueueEvent extends Event { 
 
    int m_src; 
    int m_dest; 
 
    public QueueEvent() { 
      m_src=m_dest=0; 
    } 
 
/** 
    The read() method will read the flags for this queue event and set its 
    member variable to the correct values. 
*/ 
    public void read(Reader reader) { 
        int i; 
    	int ch; 
	String digits=new String(); 
 
        try { 
 
	  while (true) { 
 
	    ch=Input.skipSpaces(reader); 
 
	    if (ch==-1) return; 
            if (ch!='-') return; 
 
            ch=reader.read(); 
 
            switch((char)ch) { 
 
	      case 's': m_src=Input.getInteger(reader); break; 
	      case 'd': m_dest=Input.getInteger(reader); break; 
          default: break; 
            } 
      } 
        } 
    catch(IOException e) { 
            Debug.out.println("Failure"); 
        } 
    } 
 
/** 
    Method called by the Scheduler during the Scheduler to get an instance 
    of this queue for use during the animation. 
 
    @return newq the newly created queue 
*/ 
    public VisualElement returnElement() { 
        Queue newq=new Queue(); 
 
        newq.setSource(m_src); 
        newq.setDestination(m_dest); 
 
        return newq; 
    } 
}