switch test case from java to kotlin

src/test/java/com/alibaba/ttl/testmodel/CallbackTestTransmittableThreadLocal.java

-package com.alibaba.ttl.testmodel;
-
-import com.alibaba.ttl.TransmittableThreadLocal;
-
-import java.util.concurrent.atomic.AtomicInteger;
-
-/**
- * @author Jerry Lee (oldratlee at gmail dot com)
- */
-public class CallbackTestTransmittableThreadLocal extends TransmittableThreadLocal<FooPojo> {
-    public AtomicInteger copyCounter = new AtomicInteger();
-    public AtomicInteger beforeExecuteCounter = new AtomicInteger();
-    public AtomicInteger afterExecuteCounter = new AtomicInteger();
-
-    @Override
-    protected FooPojo copy(FooPojo parentValue) {
-        copyCounter.incrementAndGet();
-        return super.copy(parentValue);
-    }
-
-    @Override
-    protected void beforeExecute() {
-        beforeExecuteCounter.incrementAndGet();
-        super.beforeExecute();
-    }
-
-    @Override
-    protected void afterExecute() {
-        afterExecuteCounter.incrementAndGet();
-        super.afterExecute();
-    }
-}

src/test/java/com/alibaba/ttl/testmodel/CallbackTestTransmittableThreadLocal.kt

+package com.alibaba.ttl.testmodel
+
+import com.alibaba.ttl.TransmittableThreadLocal
+
+import java.util.concurrent.atomic.AtomicInteger
+
+/**
+ * @author Jerry Lee (oldratlee at gmail dot com)
+ */
+class CallbackTestTransmittableThreadLocal : TransmittableThreadLocal<FooPojo>() {
+    var copyCounter = AtomicInteger()
+    var beforeExecuteCounter = AtomicInteger()
+    var afterExecuteCounter = AtomicInteger()
+
+    override fun copy(parentValue: FooPojo): FooPojo {
+        copyCounter.incrementAndGet()
+        return super.copy(parentValue)
+    }
+
+    override fun beforeExecute() {
+        beforeExecuteCounter.incrementAndGet()
+        super.beforeExecute()
+    }
+
+    override fun afterExecute() {
+        afterExecuteCounter.incrementAndGet()
+        super.afterExecute()
+    }
+}

src/test/java/com/alibaba/ttl/testmodel/DeepCopyFooTransmittableThreadLocal.java

-package com.alibaba.ttl.testmodel;
-
-import com.alibaba.ttl.TransmittableThreadLocal;
-
-/**
- * @author Jerry Lee (oldratlee at gmail dot com)
- */
-public class DeepCopyFooTransmittableThreadLocal extends TransmittableThreadLocal<FooPojo> {
-    @Override
-    protected FooPojo copy(FooPojo parentValue) {
-        if (parentValue == null) return null;
-        return new FooPojo(parentValue.getName(), parentValue.getAge());
-    }
-}

src/test/java/com/alibaba/ttl/testmodel/DeepCopyFooTransmittableThreadLocal.kt

+package com.alibaba.ttl.testmodel
+
+import com.alibaba.ttl.TransmittableThreadLocal
+
+/**
+ * @author Jerry Lee (oldratlee at gmail dot com)
+ */
+class DeepCopyFooTransmittableThreadLocal : TransmittableThreadLocal<FooPojo>() {
+    override fun copy(parentValue: FooPojo?): FooPojo? =
+            if (parentValue == null) null else FooPojo(parentValue.name, parentValue.age)
+
+}

src/test/java/com/alibaba/ttl/testmodel/FooPojo.java

-package com.alibaba.ttl.testmodel;
-
-/**
- * @author Jerry Lee (oldratlee at gmail dot com)
- */
-public class FooPojo {
-    private String name;
-    private int age;
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public int getAge() {
-        return age;
-    }
-
-    public void setAge(int age) {
-        this.age = age;
-    }
-
-    public FooPojo(String name, int age) {
-        this.name = name;
-        this.age = age;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        FooPojo that = (FooPojo) o;
-
-        if (age != that.age) return false;
-        if (name != null ? !name.equals(that.name) : that.name != null)
-            return false;
-
-        return true;
-    }
-
-    @Override
-    public int hashCode() {
-        int result = name != null ? name.hashCode() : 0;
-        result = 31 * result + age;
-        return result;
-    }
-
-    @Override
-    public String toString() {
-        return "FooPojo{" +
-                "name='" + name + '\'' +
-                ", age=" + age +
-                '}';
-    }
-}

src/test/java/com/alibaba/ttl/testmodel/FooPojo.kt

+package com.alibaba.ttl.testmodel
+
+/**
+ * @author Jerry Lee (oldratlee at gmail dot com)
+ */
+data class FooPojo(var name: String?, var age: Int)