junit v2的稍许补充

students/812350401/src/main/java/com/coderising/myknowledgepoint/ATest.java

@@ -0,0 +1,11 @@
+package com.coderising.myknowledgepoint;
+
+/**
+ * Created by thomas_young on 31/12/2017.
+ */
+public class ATest {
+    public static void main(String[] args) {
+        System.out.println(ATest.class.getClassLoader().getSystemClassLoader());
+        System.out.println(ClassLoader.getSystemClassLoader());
+    }
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/concurrency/EscapeDemo.java

@@ -0,0 +1,43 @@
+package com.coderising.myknowledgepoint.concurrency;
+
+/**
+ * Created by thomas_young on 10/11/2017.
+ */
+class Unsafe {
+    public int foo = 15;
+    public Unsafe(Unsafe[] leak, int loop) {
+        leak[0] = this;   // Unsafe publication
+        // Make the "window of vulnerability" large
+        for (long l = 1; l < loop /* very large */ ; l++) {
+            l++;
+        }
+        foo = 42;
+    }
+}
+
+/**
+ * 修改LOOP,会发现leak可能在Unsafe还未初始化前把状态泄露出去
+ * 根本原因是Thread中Unsafe对象还未运行结束，主线程中的leak就已经在使用该对象的状态了
+ */
+public class EscapeDemo {
+    public static void main(String[] args) throws InterruptedException {
+        final int LOOP = 1;  // loop=100000或1
+        final Unsafe[] leak = new Unsafe[1];
+        new Thread(() -> {
+            Thread.yield();   // (or sleep for a bit)
+            new Unsafe(leak, LOOP);
+        }).start();
+
+        while (true) {
+
+            if (leak[0] != null) {
+                if (leak[0].foo == 42) {
+                    System.err.println("OK");
+                } else {
+                    System.err.println("OUCH!");
+                }
+                System.exit(0);
+            }
+        }
+    }
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/reflect/Base.java

@@ -0,0 +1,12 @@
+package com.coderising.myknowledgepoint.reflect;
+
+/**
+ * Created by thomas_young on 23/9/2017.
+ */
+public class Base {
+    static int num = 1;
+
+    static {
+        System.out.println("Base " + num);
+    }
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/reflect/Derived.java

@@ -0,0 +1,7 @@
+package com.coderising.myknowledgepoint.reflect;
+
+/**
+ * Created by thomas_young on 23/9/2017.
+ */
+public class Derived extends Base {
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/reflect/Main.java

@@ -0,0 +1,68 @@
+package com.coderising.myknowledgepoint.reflect;
+
+import com.coderising.myknowledgepoint.reflect.proxy.DynamicProxyHandler;
+import com.coderising.myknowledgepoint.reflect.proxy.Interface;
+import com.coderising.myknowledgepoint.reflect.proxy.RealObject;
+
+import java.beans.PropertyDescriptor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+
+/**
+ * Created by thomas_young on 23/9/2017.
+ */
+public class Main {
+    public static void main(String[] args) throws Exception {
+//        test1();
+//        test2();
+//        test3();
+        test4();
+    }
+
+    private static void test3() throws Exception {
+        Person person = new Person("luoxn28", 23);
+        Class clazz = person.getClass();
+
+        Field[] fields = clazz.getDeclaredFields();
+        for (Field field : fields) {
+            String key = field.getName();
+            PropertyDescriptor descriptor = new PropertyDescriptor(key, clazz);
+            Method method = descriptor.getReadMethod();
+            Object value = method.invoke(person);
+
+            System.out.println(key + ":" + value);
+
+        }
+    }
+
+    private static void test1() throws ClassNotFoundException {
+        // 不会初始化静态块
+        Class clazz1 = Base.class;
+        System.out.println("------");
+        // 会初始化
+        Class clazz2 = Class.forName("com.coderising.myknowledgepoint.reflect.Base");
+    }
+
+    public static void test2() {
+        Base base = new Derived();
+        if (base instanceof Derived) {
+            // 这里可以向下转换了
+            System.out.println("ok");
+        }
+        else {
+            System.out.println("not ok");
+        }
+    }
+
+    public static void test4() {
+        RealObject real = new RealObject();
+        Interface proxy = (Interface) Proxy.newProxyInstance(
+                Interface.class.getClassLoader(), new Class[] {Interface.class},
+                new DynamicProxyHandler(real));
+
+        proxy.doSomething();
+        proxy.somethingElse("luoxn28");
+    }
+
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/reflect/Person.java

@@ -0,0 +1,33 @@
+package com.coderising.myknowledgepoint.reflect;
+
+import java.io.Serializable;
+
+/**
+ * Created by thomas_young on 23/9/2017.
+ */
+public class Person implements Serializable {
+
+    private String name;
+    private int age;
+
+    public Person(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/reflect/proxy/DynamicProxyHandler.java

@@ -0,0 +1,24 @@
+package com.coderising.myknowledgepoint.reflect.proxy;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/**
+ * Created by thomas_young on 23/9/2017.
+ * http://www.cnblogs.com/luoxn28/p/5686794.html
+ * 调用处理器类
+ */
+public class DynamicProxyHandler implements InvocationHandler {
+    private Object proxyed;
+
+    public DynamicProxyHandler(Object proxyed) {
+        this.proxyed = proxyed;
+    }
+
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+        System.out.println("代理工作了.");
+        return method.invoke(proxyed, args);
+    }
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/reflect/proxy/Interface.java

@@ -0,0 +1,9 @@
+package com.coderising.myknowledgepoint.reflect.proxy;
+
+/**
+ * Created by thomas_young on 23/9/2017.
+ */
+public interface Interface {
+    void doSomething();
+    void somethingElse(String arg);
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/reflect/proxy/RealObject.java

@@ -0,0 +1,17 @@
+package com.coderising.myknowledgepoint.reflect.proxy;
+
+/**
+ * Created by thomas_young on 23/9/2017.
+ */
+public class RealObject implements Interface {
+
+    @Override
+    public void doSomething() {
+        System.out.println("doSomething.");
+    }
+
+    @Override
+    public void somethingElse(String arg) {
+        System.out.println("somethingElse " + arg);
+    }
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/threadlocal/Context.java

@@ -6,7 +6,7 @@
 public class Context {
 
 	private static final ThreadLocal<String> txThreadLocal 
-		= new ThreadLocal<String>();
+		= new ThreadLocal<>();
 
 	public static void setTransactionID(String txID) {		
 		txThreadLocal.set(txID); 

students/812350401/src/main/java/com/coderising/myknowledgepoint/threadlocal/ThreadLocalExample.java

@@ -0,0 +1,42 @@
+package com.coderising.myknowledgepoint.threadlocal;
+
+/**
+ * Created by thomas_young on 22/11/2017.
+ * http://tutorials.jenkov.com/java-concurrency/threadlocal.html
+ */
+public class ThreadLocalExample {
+
+
+    public static class MyRunnable implements Runnable {
+
+        private ThreadLocal<Integer> threadLocal =
+                new ThreadLocal<>();
+
+        @Override
+        public void run() {
+            threadLocal.set( (int) (Math.random() * 100D) );
+
+            try {
+                Thread.sleep(2000);
+            } catch (InterruptedException e) {
+            }
+
+            System.out.println(threadLocal.get());
+        }
+    }
+
+
+    public static void main(String[] args) throws InterruptedException {
+        MyRunnable sharedRunnableInstance = new MyRunnable();
+
+        Thread thread1 = new Thread(sharedRunnableInstance);
+        Thread thread2 = new Thread(sharedRunnableInstance);
+
+        thread1.start();
+        thread2.start();
+
+        thread1.join(); //wait for thread 1 to terminate
+        thread2.join(); //wait for thread 2 to terminate
+    }
+
+}

students/812350401/src/main/java/com/coderising/myknowledgepoint/threadlocal/TransactionManager.java

@@ -1,7 +1,7 @@
 package com.coderising.myknowledgepoint.threadlocal;
 
 public class TransactionManager {
-	private static final ThreadLocal<String> context = new ThreadLocal<String>();
+	private static final ThreadLocal<String> context = new ThreadLocal<>();
 
 	public static void startTransaction() {
 		// logic to start a transaction

students/812350401/src/main/java/com/coderising/myood/atmSimulation/README.md

@@ -13,10 +13,10 @@ https://github.com/onlyliuxin/coding2017/pull/512
 1. 存款
 如果选择了存款交易，ATM要求用户输入存款的金额，然后在存钞口放入钞票
 2. 取款
-如果选择了取款交易，ATM要求用户输入提取的金额，如果账户余额足够，并且ATM的现金足够，从吐钞口吐出相应的钞票。
+3. 如果选择了取款交易，ATM要求用户输入提取的金额，如果账户余额足够，并且ATM的现金足够，从吐钞口吐出相应的钞票。
 转账
-3. 如果选择了转账，ATM要求用户输入转入的账号，如果余额足够， 就会执行转账交易
-查看余额
+如果选择了转账，ATM要求用户输入转入的账号，如果余额足够， 就会执行转账交易
+4. 查看余额
 如果选择了查询余额，ATM则显示账号的的余额所有的交易都是ATM和银行服务器合作
 用户可以选定交易，提供相关信息，交易完成后，返回主菜单
 

students/812350401/src/main/java/com/coderising/myood/atmSimulation/UML.xml

@@ -0,0 +1 @@
+<mxfile userAgent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36" version="7.4.9" editor="www.draw.io" type="device"><diagram id="84536f3e-bc4a-3da0-3d03-4334d4ce36f1" name="Page-1">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</diagram></mxfile>

students/812350401/src/main/java/com/coderising/myood/atmSimulation/model/BankProxy.java

@@ -9,7 +9,6 @@ public abstract class BankProxy {
     protected NetworkClient networkClient;
 
     public abstract boolean verify(String account, String password);
-
     /**
      * 交易发送到银行做处理
      * @param transaction

students/812350401/src/main/java/com/coderising/myood/litejunit/v2/README.md

@@ -13,6 +13,6 @@
 ---------------------------------------
 
 ### 改进点
-1. TestRunner没有使用反射来寻找suite方法
+1. TestRunner没有使用反射来寻找suite方法(done)
 2. junit-v4版本后续有空可以实现
 3. 两个装饰器的异常判断不足, 可能意外跳出

students/812350401/src/main/java/com/coderising/myood/litejunit/v2/TestRunner.java

@@ -1,29 +1,32 @@
 package com.coderising.myood.litejunit.v2;
 
-
-import com.coderising.myood.litejunit.v2.example_test.AllTest;
-
 import java.io.PrintStream;
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.util.Iterator;
 
 /**
  * Created by thomas_young on 21/8/2017.
  */
 public class TestRunner implements TestListener {
-    PrintStream writer = System.out;
+    private PrintStream writer = System.out;
+    private static final String SUITE = "suite";
 
-    public static void main(String[] args) {
+    public static void main(String[] args) throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException {
         TestRunner testRunner = new TestRunner();
         TestResult tr = new TestResult();
-        tr.addListener(testRunner);
-        Test testAll = AllTest.suite();  // TODO: 17/9/2017 后续要用反射实现这一步 
-        testRunner.tryTest(testAll, tr);
+        tr.addListener(testRunner);  // 添加listener
+        String className = "com.coderising.myood.litejunit.v2.example_test.AllTest";
+        Class caseClazz = Class.forName(className);
+        Method suiteMethod = caseClazz.getMethod(SUITE, new Class[0]);
+        Test suite = (Test) suiteMethod.invoke(null);
+        testRunner.tryTest(suite, tr);
     }
 
-    private void tryTest(Test test, TestResult tr) {
-        test.run(tr);
+    private void tryTest(Test suite, TestResult tr) {
+        suite.run(tr);
         System.out.println();
         print(tr);
     }

students/812350401/src/main/java/com/coderising/myood/litejunit/v2/TestSuite.java

@@ -30,7 +30,7 @@ public TestSuite(String name) {
         this.name = name;
     }
 
-    // 把某个测试类中的所有pulic的test方法构造成对象，塞入tests
+    // 把某个测试类中的所有public的test方法构造成对象，塞入tests
     public TestSuite(final Class<?> theClass) {
         this.name = theClass.getName();
         Constructor<?> constructor = null;