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diff --git a/sca-cpp/tags/cpp-sca-20060405/runtime/core/src/tuscany/sca/core/ExternalServiceWrapper.h b/sca-cpp/tags/cpp-sca-20060405/runtime/core/src/tuscany/sca/core/ExternalServiceWrapper.h
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index 0000000000..b2dcfb3a6b
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+++ b/sca-cpp/tags/cpp-sca-20060405/runtime/core/src/tuscany/sca/core/ExternalServiceWrapper.h
@@ -0,0 +1,81 @@
+/*
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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: 2005/12/22 11:33:21 $ */
+
+#ifndef tuscany_sca_core_externalservicewrapper_h
+#define tuscany_sca_core_externalservicewrapper_h
+
+#include "osoa/sca/export.h"
+#include "tuscany/sca/core/ServiceWrapper.h"
+#include "tuscany/sca/core/Operation.h"
+#include "tuscany/sca/model/ExternalService.h"
+using tuscany::sca::model::ExternalService;
+
+namespace tuscany
+{
+    namespace sca
+    {
+        
+        /**
+         * Wraps an SCA external service so that it can be called by a 
+         * proxy.
+         * This abstract class will be extended by a class which supports
+         * a specific external service binding (for example, the web services binding).
+         */
+        class SCA_API ExternalServiceWrapper : public ServiceWrapper
+        {
+        public:
+            /**
+             * Factory method to create a new ExternaServiceWrapper for a given
+             * external service described in the SCA module.
+             */
+            static ExternalServiceWrapper* createServiceWrapper(ExternalService* service);
+
+            /**
+             * Constructor.
+             * @param target The target external service for which this wrapper is to be
+             * created.
+             * @return A wrapper that references the given target.
+             */
+            ExternalServiceWrapper(tuscany::sca::model::WireTarget* target);
+
+            /**
+             * Destructor.
+             */
+            virtual    ~ExternalServiceWrapper();
+
+            /**
+             * Return the external service (in the runtime model) that is wrapped by 
+             * the instance of this class.
+             */
+            virtual ExternalService* getExternalService() {return (ExternalService*)getTarget();};
+
+            /**
+             * All business method calls to the external service go through the invoke method.
+             * This is a delegated method which will be implemented by the subclass.
+             * @param operation The details of the method, paramaters and return value for the
+             * business method to be called on the external service.
+             */
+            virtual void invoke(Operation& operation) = 0;
+        private:
+            
+        };
+    } // End namespace sca
+} // End namespace tuscany
+
+#endif // tuscany_sca_core_externalservicewrapper_h