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Diffstat (limited to 'sca-cpp/branches/cpp-M1/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h')
-rw-r--r-- | sca-cpp/branches/cpp-M1/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/sca-cpp/branches/cpp-M1/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h b/sca-cpp/branches/cpp-M1/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h new file mode 100644 index 0000000000..2b81b2cbcd --- /dev/null +++ b/sca-cpp/branches/cpp-M1/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h @@ -0,0 +1,195 @@ +/* + * + * 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_scaruntime_h +#define tuscany_sca_core_scaruntime_h + +#include "osoa/sca/export.h" + +#include "osoa/sca/ComponentContext.h" +using osoa::sca::ComponentContext; + +#include "tuscany/sca/core/ServiceWrapper.h" +#include "tuscany/sca/model/System.h" +using namespace tuscany::sca::model; + +#if defined(WIN32) || defined (_WINDOWS) +#include <windows.h> +#else +#include <pthread.h> +#endif + +#include <stack> +#include <string> +#include <map> +using namespace std; + +namespace tuscany +{ + namespace sca + { + + /** + * A singleton which represents the executing SCA runtime. + */ + class SCARuntime { + public: + /** + * Get the single instance. + * @return The single instance of the runtime. + */ + SCA_API static SCARuntime* getInstance(); + + /** + * Release the single instance. + */ + SCA_API static void releaseInstance(); + + /** + * Set the system root + * @param root The path to the deployed system. + */ + static void setSystemRoot(const string& root); + + /** + * Set the default ModuleComponent for the system + * @param moduleComponent The name of the default moduleComponent. + */ + static void setDefaultModuleComponent(const string& moduleComponent); + + /** + * Set the current component for the current thread. + * @param component The current component. + */ + SCA_API void setCurrentComponent(Component* component); + + /** + * Remove the current component from this thread, and return + * to the previous component (if there was one). + * @return The previous component. + */ + SCA_API Component* unsetCurrentComponent(); + + /** + * Get a pointer to the configured SCA system which this + * SCA runtime represents. + * The rest of the SCA configuration can be navigated from + * the System. + * @return The configured SCA system. + */ + System* getSystem(); + + /** + * The directory in which the Tuscany runtime has been installed. + */ + const string& getInstallRoot() {return SCARoot;} + + /** + * Return the current component for this thread. + * @return The current component for this thread. + */ + Component* getCurrentComponent(); + + /** + * Get the current module. The current module will either + * be the module in which the current component for this thread + * is defined, or it will be the default module if there is no current + * component. There will not be a current component if a client of + * the SCA runtime is making a call into the SCA runtime. + */ + Module* getCurrentModule(); + + private: + /** + * Default constructor is private to prevent more than one instance. + */ + SCARuntime(); + + virtual ~SCARuntime(); + + /** + * Load the SCA configuration from the scdl files (sca.module, + * *.fragment, etc). + * This will create the runtime model from which the SCA runtime + * will operate. + * @param configurationRoot The path to the configuration of the + * SCA runtime. Under this root will be the subsystems and modules + * directories. + */ + void load(const string& configurationRoot); + + /** + * The single instance of this class. + */ + static SCARuntime* instance; + + /** + * Pointer to the top of the runtime model. + */ + System* system; + + /** + * The installed path of the Tuscany runtime. + */ + string SCARoot; + + /** + * The path to the system root + */ + static string systemRoot; + + /** + * The default ModuleComponent. + */ + static string defaultModuleName; + + /** + * Get the default module set for this runtime. + * @return The default module. + */ + Module* getDefaultModule() {return defaultModule;} + + /** + * The default module set for this runtime. + */ + Module* defaultModule; + + + typedef stack<Component*> COMPONENT_STACK; +#if defined(WIN32) || defined (_WINDOWS) + typedef map<DWORD, COMPONENT_STACK> COMPONENTS_MAP; +#else + typedef map<pthread_t, COMPONENT_STACK> COMPONENTS_MAP; +#endif + + /** + * A map of threads to components. + */ + COMPONENTS_MAP components; + }; + + + } // End namespace sca +} // End namespace tuscany + + + + +#endif // tuscany_sca_core_scaruntime_h + |