sortselectactortree.java

公司自己开发的工作流引擎

package cn.com.iaspec.workflow.organize.tree;

import java.util.Comparator;

/**
 * <p>Title:选择参与者树排序类</p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: IASPEC Technologies</p>
 *
 * @author xiesonglin
 * @version 1.0
 */
public class SortSelectActorTree
    implements Comparator{
  public SortSelectActorTree(){
  }

  public int compare(Object o1,Object o2){
    int gene=-1;
    SelectActorTree tree1=(SelectActorTree)o1;
    SelectActorTree tree2=(SelectActorTree)o2;
    if(tree1.getTreeType().equals(tree2.getTreeType())){
      return tree1.getOrder()<tree2.getOrder()?1*gene:
          (tree1.getOrder()==tree2.getOrder()?0:-1*gene);
    }
    else{
     return getTypeSequence(tree1.getTreeType())>getTypeSequence(tree2.getTreeType()) ? 1*gene:-1*gene;
    }
  }

  private int getTypeSequence(String type){
    if(type!=null){
      if(type.equals("user")){
        return 3;
      }
      else if(type.equals("role")){
        return 2;
      }
      else if(type.equals("org")){
        return 1;
      }
    }
    return 0;
  }

}