studentinstancecreator.java~1~

B＋树实现源码

package bplustree;

import com.xuedi.maths.UnduplicateNumbers;
import com.xuedi.IO.ObjectFile;

import java.util.*;
import java.io.*;

public class StudentInstanceCreator extends Thread{
  private Frame1 frame;
  private HashSet[] hs;
  private long range,amount;
  private int bucketAmount;
  ObjectFile of;

  public StudentInstanceCreator(Frame1 frame,long range,long amount,int bucketAmount) {
    this.frame = frame;
    this.range = range;
    this.amount= amount;
    this.bucketAmount = bucketAmount;
    try{
      of = new ObjectFile("Student.inf");
    }catch(IOException ioe)
    {
      frame.FileNotCreateException();
    }
  }

  public void run()
  {
    try{
      frame.jTextArea1.append("\n正在生成不重复的" + amount + "个数据...");
      createInstances();
      frame.jTextArea1.append("\n数字生成完毕!");
      sleep(1000);
    }catch(java.lang.InterruptedException iee)
    {
      frame.FileNotCreateException();
    }

  }

  private void createInstances()
  {
    hs = UnduplicateNumbers.getUnduplicateNumbers(range, amount, bucketAmount);
  }
}