Author：Pirate Leo
前段时间我负责在系统中添加了HBase用于管理海量数据，功能实现后自然到了性能测试阶段，性能、可靠性、稳定性，性性都不能少。
因此就有了个内部的小需求：“给测试部提供一个工具，可以向HBase写入数据，以达到测试所需的数据量”。
由于我们的系统是由Java编写，Client的代码也用的Hadoop的Java API，因此小工具的界面编写理所应当的选择了Java Swing。
之前没有用过Swing，本次完全是在网上一边翻博一边编码。
myBlog: http://blog.csdn.net/pirateleo/
myEmail: codeevoship@gmail.com
转载请注明出处，谢谢。
Begin!首先是成品图：
OK，我知道很丑，咱不就图个实用么……
这里可以输入Hadoop集群的IP，可以选择需要操作的表，可以清空表中的记录，还有写入耗时统计。
下面是代码，代码分为两个文件，一个是MainView负责界面展示；另一个是Worker线程，负责干活和刷新进度条与显示数据。
MainView代码：
package com.codeevoship.gui;
import java.awt.Container;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JProgressBar;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
@SuppressWarnings("serial")
public class MainWindow extends JFrame {
private JLabel welcomeLbl;
private JLabel ipLbl;
private JTextField ipTxt;
private JLabel numLbl;
private JTextField numTxt;
private JProgressBar probar;
private JTextField txtResultShow;
private JRadioButton archiveSel;
private JRadioButton contentSel;
private JRadioButton systemLogSel;
private JRadioButton clearDataSel;
private JButton startBtn;
private JButton exitBtn;
private Thread thdWorker;
public MainWindow() {
// 获取本JFrame的ContentPane
Container contentPane = getContentPane();
GridBagLayout gridbag = new GridBagLayout();
contentPane.setLayout(gridbag);
GridBagConstraints c = new GridBagConstraints();
// Title
welcomeLbl = new JLabel("CodeEvoShip HBase 数据填充工具");
welcomeLbl.setFont(new Font("Serif",Font.BOLD,20));
c = getGridBagConstraints(0, 0, 0, 1, 0, 0,
GridBagConstraints.CENTER, GridBagConstraints.NONE,
new Insets(10, 0, 0, 0), 10, 0);
gridbag.setConstraints(welcomeLbl, c);
contentPane.add(welcomeLbl);
// IP
ipLbl = new JLabel("Cluster IP:");
c = getGridBagConstraints(0, 1, 1, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(10, 0, 10, 0), 10, 0);
gridbag.setConstraints(ipLbl, c);
contentPane.add(ipLbl);
ipTxt = new JTextField("127.0.0.1;127.0.0.2;127.0.0.3");
c = getGridBagConstraints(1, 1, 0, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(10, 0, 10, 0), 85, 0);
gridbag.setConstraints(ipTxt, c);
contentPane.add(ipTxt);
// 数量填写
numLbl = new JLabel("Write Number:");
c = getGridBagConstraints(0, 2, 1, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(10, 0, 10, 0), 10, 0);
gridbag.setConstraints(numLbl, c);
contentPane.add(numLbl);
numTxt = new JTextField("10000");
c = getGridBagConstraints(1, 2, 0, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(10, 0, 10, 0), 230, 0);
gridbag.setConstraints(numTxt, c);
contentPane.add(numTxt);
// 多选框
archiveSel = new JRadioButton("Archive Table");
c = getGridBagConstraints(0, 3, 1, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(0, 0, 0, 0), 0, 0);
gridbag.setConstraints(archiveSel, c);
contentPane.add(archiveSel);
contentSel = new JRadioButton("Content Table");
c = getGridBagConstraints(1, 3, 1, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(0, 0, 0, 0), 0, 0);
gridbag.setConstraints(contentSel, c);
contentPane.add(contentSel);
systemLogSel = new JRadioButton("SystemLog Table");
c = getGridBagConstraints(2, 3, 1, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(0, 0, 5, 0), 0, 0);
gridbag.setConstraints(systemLogSel, c);
contentPane.add(systemLogSel);
clearDataSel = new JRadioButton("Clear old data of selected Tables!!");
c = getGridBagConstraints(0, 4, 0, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(0, 0, 15, 0), 0, 0);
gridbag.setConstraints(clearDataSel, c);
contentPane.add(clearDataSel);
// 进度条
probar = new JProgressBar(0, 100);
probar.setStringPainted(true);
c = getGridBagConstraints(0, 6, 0, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(5, 5, 5, 5), 250, 0);
gridbag.setConstraints(probar, c);
contentPane.add(probar);
txtResultShow = new JTextField("Not Begin");
txtResultShow.setEditable(false);
txtResultShow.setHorizontalAlignment(JTextField.CENTER);
c = getGridBagConstraints(0, 7, 0, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(0, 0, 5, 0), 325, 0);
gridbag.setConstraints(txtResultShow, c);
contentPane.add(txtResultShow);
//执行与退出
startBtn = new JButton("Start");
c = getGridBagConstraints(0, 5, 0, 1, 0, 0,
GridBagConstraints.WEST, GridBagConstraints.NONE,
new Insets(0, 0, 5, 0), 50, 0);
gridbag.setConstraints(startBtn, c);
startBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
if (!paraPassCheck()) {
return;
}
if (null != thdWorker && thdWorker.isAlive()) {
JOptionPane.showMessageDialog(null,"There already is a task running now， please wait");
return;
}
DoWork doWork = new DoWork(ipTxt.getText(),Long.parseLong(numTxt.getText()),
contentSel.isSelected(),archiveSel.isSelected(),
systemLogSel.isSelected(),clearDataSel.isSelected(),
probar, txtResultShow);
thdWorker = new Thread(doWork);
thdWorker.start();
}
});
contentPane.add(startBtn);
exitBtn = new JButton("Exit");
c = getGridBagConstraints(1, 5, 0, 1, 0, 0,
GridBagConstraints.EAST, GridBagConstraints.NONE,
new Insets(0, 0, 5, 0), 50, 0);
gridbag.setConstraints(exitBtn, c);
exitBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
System.exit(0);
}
});
contentPane.add(exitBtn);
}
private boolean paraPassCheck() {
try {
Long.parseLong(numTxt.getText());
return true;
} catch (Exception e) {
JOptionPane.showMessageDialog(null,"Invalid number ");
return false;
}
}
private static GridBagConstraints getGridBagConstraints(int gridx,
int gridy, int gridwidth, int gridheight, double weightx,
double weighty, int anchor, int fill, Insets insets, int ipadx,
int ipady) {
return new GridBagConstraints(gridx, gridy, gridwidth, gridheight,
weightx, weighty, anchor, fill, insets, ipadx, ipady);
}
public static void main(String args[]) {
MainWindow mainWindow = new MainWindow();
mainWindow.setTitle("CodeEvoShip");
mainWindow.pack();
mainWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
mainWindow.setVisible(true);
}
} Worker代码：package com.codeevoship.gui;
import javax.swing.JProgressBar;
import javax.swing.JTextField;
public class DoWork implements Runnable {
JProgressBar probar;
JTextField curTxtShow;
long totalNum = 0;
long curNum = 0;
long startTime = 0;
long curTime = 0;
public DoWork(String ip, long num, boolean isWriteCon, boolean isWriteArc, boolean isWriteSys, boolean isClearData, JProgressBar probar, JTextField curTxtShow) {
System.out.println("IP:" + ip + ", Num:" + num);
System.out.println("Write Content[" + isWriteCon + "], Write Archive[" + isWriteArc + "], Write SystemLog[" + isWriteSys + "].");
startTime = 0;
curNum = 0;
totalNum = num;
this.probar = probar;
this.curTxtShow = curTxtShow;
}
@Override
public void run() {
startTime = System.currentTimeMillis();
// 开始工作
System.out.println("Do Work Start!");
StringBuilder sb = new StringBuilder();
while (true) {
if (curNum >= totalNum) {
break;
}
try {
// TODO: Real work here
Thread.sleep(10);
// 更新界面显示
curNum += 1;
probar.setValue((int) (curNum*100/totalNum));
curTime = System.currentTimeMillis();
sb.setLength(0);
sb.append(curNum);
sb.append('/');
sb.append(totalNum);
sb.append(" cost time: ");
sb.append((curTime - startTime)/1000);
sb.append('s');
curTxtShow.setText(sb.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
System.out.println("Do Work End!");
}
} 大家如需要可随意使用，改成自己的小工具，只要把Worker中的// TODO: 改为实际运行的程序即可。