Added a variant of store that implements the business logic as a set of functions stringed together instead of classes, to help see how that style can help simplify the component assembly process.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@819222 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 58 insertions, 0 deletions

diff --git a/cpp/sca/samples/store2/currency.hpp b/cpp/sca/samples/store2/currency.hpp
new file mode 100644
index 0000000000..453a5e1e81
--- /dev/null
+++ b/cpp/sca/samples/store2/currency.hpp
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* $Rev$ $Date$ */
+
+#ifndef tuscany_currency_hpp
+#define tuscany_currency_hpp
+
+#include <math.h>
+#include <string>
+#include "service.hpp"
+#include "item.hpp"
+
+namespace store
+{
+
+const double currencyConverter_convert(const std::string& fromCurrencyCode, const std::string& toCurrencyCode, const double amount) {
+    if(toCurrencyCode == "USD")
+        return amount;
+    if(toCurrencyCode == "EUR")
+        return round(amount * 0.7256 * 100) / 100;
+    return amount;
+}
+
+const std::string currencyConverter_getSymbol(const std::string& currencyCode) {
+    if(currencyCode == "USD")
+        return "$";
+    if(currencyCode == "EUR")
+        return "E";
+    return "?";
+}
+
+const tuscany::value currencyConverter_service(const tuscany::list<tuscany::value>& args) {
+    if (car(args) == "convert")
+        return currencyConverter_convert(cadr(args), car(cdr(cdr(args))), car(cdr(cdr(cdr(args)))));
+    if (car(args) == "getSymbol")
+        return currencyConverter_getSymbol(cadr(args));
+    return tuscany::value();
+}
+
+}
+#endif /* tuscany_currency_hpp */