From 36adc76235fb0a38e7042bc751f988b71627e2a0 Mon Sep 17 00:00:00 2001
From: jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68>
Date: Tue, 11 Dec 2012 06:13:02 +0000
Subject: Changes to get successful C++11 based build. Code cleanup, dependency
 upgrades, and const + inline optimizations in components, samples, and app
 hosting server.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1420007 13f79535-47bb-0310-9956-ffa450edef68
---
 sca-cpp/trunk/components/cache/memcache.cpp | 51 +++++++++++------------------
 1 file changed, 19 insertions(+), 32 deletions(-)

(limited to 'sca-cpp/trunk/components/cache/memcache.cpp')

diff --git a/sca-cpp/trunk/components/cache/memcache.cpp b/sca-cpp/trunk/components/cache/memcache.cpp
index 738a6ddd5a..2e4597efd3 100644
--- a/sca-cpp/trunk/components/cache/memcache.cpp
+++ b/sca-cpp/trunk/components/cache/memcache.cpp
@@ -37,14 +37,14 @@ namespace cache {
 /**
  * Get an item from the cache.
  */
-const failable<value> get(const list<value>& params, memcache::MemCached& ch) {
+const failable<value> get(const list<value>& params, const memcache::MemCached& ch) {
     return memcache::get(car(params), ch);
 }
 
 /**
  * Post an item to the cache.
  */
-const failable<value> post(const list<value>& params, memcache::MemCached& ch) {
+const failable<value> post(const list<value>& params, const memcache::MemCached& ch) {
     const value id = append<value>(car(params), mklist(mkuuid()));
     const failable<bool> val = memcache::post(id, cadr(params), ch);
     if (!hasContent(val))
@@ -55,7 +55,7 @@ const failable<value> post(const list<value>& params, memcache::MemCached& ch) {
 /**
  * Put an item into the cache.
  */
-const failable<value> put(const list<value>& params, memcache::MemCached& ch) {
+const failable<value> put(const list<value>& params, const memcache::MemCached& ch) {
     const failable<bool> val = memcache::put(car(params), cadr(params), ch);
     if (!hasContent(val))
         return mkfailure<value>(val);
@@ -65,45 +65,20 @@ const failable<value> put(const list<value>& params, memcache::MemCached& ch) {
 /**
  * Delete an item from the cache.
  */
-const failable<value> del(const list<value>& params, memcache::MemCached& ch) {
+const failable<value> del(const list<value>& params, const memcache::MemCached& ch) {
     const failable<bool> val = memcache::del(car(params), ch);
     if (!hasContent(val))
         return mkfailure<value>(val);
     return value(content(val));
 }
 
-/**
- * Component implementation lambda function.
- */
-class applyCache {
-public:
-    applyCache(memcache::MemCached& ch) : ch(ch) {
-    }
-
-    const value operator()(const list<value>& params) const {
-        const value func(car(params));
-        if (func == "get")
-            return get(cdr(params), ch);
-        if (func == "post")
-            return post(cdr(params), ch);
-        if (func == "put")
-            return put(cdr(params), ch);
-        if (func == "delete")
-            return del(cdr(params), ch);
-        return mkfailure<value>();
-    }
-
-private:
-    memcache::MemCached& ch;
-};
-
 /**
  * Convert a list of properties to a list of server addresses.
  */
 const list<string> servers(const list<value>& params) {
     if (isNil(params))
         return list<string>();
-    const value s = ((lambda<value(const list<value>&)>)car(params))(list<value>());
+    const value s = ((lvvlambda)car(params))(nilListValue);
     return cons<string>(s, servers(cdr(params)));
 }
 
@@ -112,10 +87,22 @@ const list<string> servers(const list<value>& params) {
  */
 const failable<value> start(const list<value>& params) {
     // Connect to memcached
-    memcache::MemCached& ch = *(new (gc_new<memcache::MemCached>()) memcache::MemCached(servers(params)));
+    const memcache::MemCached& ch = *(new (gc_new<memcache::MemCached>()) memcache::MemCached(servers(params)));
 
     // Return the component implementation lambda function
-    return value(lambda<value(const list<value>&)>(applyCache(ch)));
+    const lvvlambda applyCache = [ch](const list<value>& params) -> const value {
+        const value func(car(params));
+        if (func == "get")
+            return get(cdr(params), ch);
+        if (func == "post")
+            return post(cdr(params), ch);
+        if (func == "put")
+            return put(cdr(params), ch);
+        if (func == "delete")
+            return del(cdr(params), ch);
+        return mkfailure<value>();
+    };
+    return value(applyCache);
 }
 
 }
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