diff options
Diffstat (limited to 'sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/python/src/tuscany/sca/python/PythonServiceWrapper.h')
-rw-r--r-- | sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/python/src/tuscany/sca/python/PythonServiceWrapper.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/python/src/tuscany/sca/python/PythonServiceWrapper.h b/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/python/src/tuscany/sca/python/PythonServiceWrapper.h new file mode 100644 index 0000000000..fbf75b3223 --- /dev/null +++ b/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/python/src/tuscany/sca/python/PythonServiceWrapper.h @@ -0,0 +1,142 @@ +/* + * 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_sca_python_pythonservicewrapper_h +#define tuscany_sca_python_pythonservicewrapper_h + + +// undefine _DEBUG so Python does not need it's deebug dll +#ifdef _DEBUG +#undef _DEBUG +#define _SCA_PYTHON_DEBUG +#endif +#include <Python.h> +#ifdef _SCA_PYTHON_DEBUG +#define _DEBUG +#endif + +#include "tuscany/sca/python/export.h" +#include "tuscany/sca/core/ServiceWrapper.h" +#include "tuscany/sca/core/Operation.h" +#include "tuscany/sca/model/Component.h" +#include "tuscany/sca/model/Interface.h" +#include "tuscany/sca/python/model/PythonImplementation.h" + + +namespace tuscany +{ + namespace sca + { + namespace python + { + class PythonInterface; + + /** + * Wraps the service on a component implementation. + * This abstract class is extended by generated code which provides + * the implementation of some of the methods. + * An instance of this class wraps the actual component implementation which + * has been written by a developer of an SCA application. + */ + class PythonServiceWrapper : public ServiceWrapper + { + public: + + /** + * Constructor. + * @param target The component service to which this wrapper refers. + */ + PythonServiceWrapper(tuscany::sca::model::Service* service); + + /** + * Destructor. + */ + virtual ~PythonServiceWrapper(); + + /** + * All business method calls to the target component go through the invoke method. + * @param operation The details of the method, paramaters and return value for the + * business method to be called on the target component. + */ + virtual void invoke(Operation& operation); + + + protected: + + /** + * Return the current instance of the python class. + * @return A pointer to an instance of the python class. + */ + virtual PyObject* getInstance(); + + /** + * Creates a new instance of the python class. + * @return A pointer to a new instance of the python class. + */ + virtual PyObject* newInstance(); + + /** + * Indicates that the current instance of the python module or class + * has been finished with. + */ + virtual void releaseInstance(); + + + private: + /** + * Holds a class instance if a classname is provided. + * Will be constructed each time if scope is set to STATELESS + */ + PyObject* pythonClassInstance; + + /** + * Holds the module + */ + PyObject* pythonModule; + + /** + * Adds references to the provided implementation module or class instance + */ + void addReferences(PyObject* module); + + /** + * Adds properties to the provided implementation module or class instance + */ + void addProperties(PyObject* module); + + /** + * The component to which this wrapper refers. + */ + tuscany::sca::model::Component* component; + + /** + * The component implementation + */ + PythonImplementation* implementation; + + }; + + } // End namespace python + } // End namespace sca +} // End namespace tuscany + +#endif // tuscany_sca_python_pythonservicewrapper_h |