上传文件

Author: lupingchn

java-knowledge-base/image/dynamically-generated-class.jpg

@@ -0,0 +1,29 @@
+package base.agent.fastclass;
+
+/**
+ * @author zhangluping on 2018/8/21.
+ */
+public class FastIndex {
+    public Object invoke(int index, Object o, Object[] ol) {
+        FastOrigin t = (FastOrigin) o;
+        switch (index) {
+            case 1:
+                t.first();
+                return null;
+            case 2:
+                t.second();
+                return null;
+        }
+        return null;
+    }
+
+    public int getIndex(String signature) {
+        switch (signature.hashCode()) {
+            case -849024079:
+                return 1;
+            case 943455349:
+                return 2;
+        }
+        return -1;
+    }
+}

java-knowledge-base/src/main/java/base/agent/fastclass/FastIndex.java

@@ -0,0 +1,15 @@
+package base.agent.fastclass;
+
+/**
+ * @author zhangluping on 2018/8/21.
+ */
+public class FastOrigin {
+
+    public void first() {
+        System.out.println("first method");
+    }
+
+    public void second() {
+        System.out.println("second method");
+    }
+}

java-knowledge-base/src/main/java/base/agent/fastclass/FastOrigin.java

@@ -0,0 +1,20 @@
+package base.agent.fastclass;
+
+import org.junit.Test;
+
+/**
+ * @author zhangluping on 2018/8/21.
+ */
+public class TestFastIndexClass {
+
+    /**
+     * 测试fastclass的方法执行
+     */
+    @Test
+    public void testFastIndex() {
+        FastOrigin tt = new FastOrigin();
+        FastIndex fc = new FastIndex();
+        int index = fc.getIndex("first()");
+        fc.invoke(index, tt, null);
+    }
+}

java-knowledge-base/src/main/java/base/agent/fastclass/TestFastIndexClass.java

@@ -1,4 +1,4 @@
-package base.agent;
+package base.agent.proxy.test;
 
 import base.agent.proxy.cglib.CGlibProxyFactory;
 import base.agent.proxy.jdk.JDKProxyFactory;