import javax.microedition.rms.RecordComparator;

public class SortComparator implements RecordComparator{
    
    private String id1,id2;
    /** Creates a new instance of SortComparator */
    
     public int compare(byte[] rec1,byte[]rec2){
        Container container=null;
         
        try{
        container=Container.deserializeID(rec1);
        id2=""+container.getID(); // 這里需要修改成通用的id;已經改成通用的id
         container=Container.deserializeID(rec2);
        id2= ""+ container.getID();
        }catch(Exception e){
            
        }
       if(id1.compareTo(id2)==0){
            return RecordComparator.EQUIVALENT;
       }
        if(id1.compareTo(id2)<0){
            return RecordComparator.PRECEDES;
        }
        return RecordComparator.FOLLOWS;
    }
   
    
   
}