MongoDB测试代码

public class MongoDemo
{
   
    public static DBCollection coll = null;
   
    public static void main(String[] arr)
    {
       
        String host="129.42.13.118";       
        Mongo m = null;
        try
        {
            m = new Mongo(host, 27017);
            DB db = m.getDB("resourceDB");//如果没有对应的users数据库，数据库会为此创建一个 
            //增加一个用户,密码需转换成字符数据 
            //db.addUser("mongo", "123456".toCharArray());
            //System.out.println(db.authenticate("mongo", "123456".toCharArray()));
           
            //如果没有对应的userCollection，数据库会创建一个 
            //coll = db.getCollection("btResCollection");
           
            coll = db.getCollection("resourceCollection");
           
            System.out.println("------------number of data-----------"
                    + coll.getCount());
            //buildData();//76054797   
                     
            System.out.println("------------number of data2-----------"
                    + coll.getCount());
        
        }
        catch (UnknownHostException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (MongoException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
       
    }
  
    public static void buildData()
    {
        System.out.println("------------begin-----------");
        for(int k=0;k<10000;k++){
        for (int i = 0; i < 30; i++)
        {
            new MongoThread().start();
        }
          try
        {
            Thread.sleep(3000);
        }
        catch (InterruptedException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        }
        System.out.println("------------end-----------");
    }
   
    public static DBObject findDBObject(String id)
    {
        ObjectId oid = new ObjectId(id);
        DBObject query = new BasicDBObject("_id", oid);
        return query;
    }
}

class MongoThread extends Thread
{
   
    @Override
    public void run()
    {
       
        for (int i = 0; i < 1000; i++)
        {
            long current = System.currentTimeMillis();
            DBObject resources = new BasicDBObject();
            resources.put("http", "http://sohu.com/pic?id="+i);
            resources.put("bt", "bhjgk14fjkeikeldoll");
            resources.put("out", i);
                  
            MongoDemo.coll.createIndex(new BasicDBObject("out", -1));  //升序1,-1降序
            MongoDemo.coll.insert(resources);
            System.out.println("------------monogdb insert need time-----------"
                    + (System.currentTimeMillis() - current));
        }
      
       
    }
}