Add code to try memcache

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@823753 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 24 insertions, 1 deletions

diff --git a/sandbox/rfeng/helloworld-jsp-google-appengine/src/sample/HelloworldServiceImpl.java b/sandbox/rfeng/helloworld-jsp-google-appengine/src/sample/HelloworldServiceImpl.java
index 69227b1750..d7867c6a45 100644
--- a/sandbox/rfeng/helloworld-jsp-google-appengine/src/sample/HelloworldServiceImpl.java
+++ b/sandbox/rfeng/helloworld-jsp-google-appengine/src/sample/HelloworldServiceImpl.java
@@ -20,12 +20,16 @@ package sample;
 
 import java.io.IOException;
 import java.net.URL;
+import java.util.Date;
+import java.util.Stack;
 
 import org.oasisopen.sca.annotation.EagerInit;
 import org.oasisopen.sca.annotation.Init;
 import org.oasisopen.sca.annotation.Reference;
 import org.oasisopen.sca.annotation.Scope;
+import org.oasisopen.sca.annotation.Service;
 
+import com.google.appengine.api.memcache.MemcacheService;
 import com.google.appengine.api.urlfetch.HTTPResponse;
 import com.google.appengine.api.urlfetch.URLFetchService;
 import com.google.appengine.api.users.User;
@@ -33,6 +37,7 @@ import com.google.appengine.api.users.UserService;
 
 @EagerInit
 @Scope("COMPOSITE")
+@Service(HelloworldService.class)
 public class HelloworldServiceImpl implements HelloworldService {
     @Reference
     protected UserService userService;
@@ -40,9 +45,20 @@ public class HelloworldServiceImpl implements HelloworldService {
     @Reference
     protected URLFetchService fetchService;
 
+    @Reference
+    protected MemcacheService memcacheService;
+
     public String sayHello(String name) {
         User user = userService.getCurrentUser();
         String id = (user == null) ? "" : user.getUserId();
+
+        Stack<String> stack = (Stack<String>)memcacheService.get("history");
+        if (stack == null) {
+            stack = new Stack<String>();
+        }
+        stack.push(new Date().toString() + ": " + name);
+        memcacheService.put("history", stack);
+
         String content = "";
         try {
             HTTPResponse response = fetchService.fetch(new URL("http://tuscany.apache.org"));
@@ -53,7 +69,14 @@ public class HelloworldServiceImpl implements HelloworldService {
         } catch (IOException e) {
             e.printStackTrace();
         }
-        return "[" + id + "] Hello " + name + "<hr><h1>Content from Tuscany Web Site</h1><p>" + content;
+        return "[" + id
+            + "] Hello "
+            + name
+            + "<hr><h1>Content from Tuscany Web Site</h1><p>"
+            + content
+            + "<p>History<hr>"
+            + stack
+            + "</p>";
     }
 
     @Init