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Diffstat (limited to 'sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h')
| -rw-r--r-- | sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h b/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h new file mode 100644 index 0000000000..ef78296480 --- /dev/null +++ b/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/runtime/core/src/tuscany/sca/core/SCARuntime.h @@ -0,0 +1,262 @@ +/* + * 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_core_scaruntime_h +#define tuscany_sca_core_scaruntime_h + +#include "tuscany/sca/export.h" + +#include "tuscany/sca/extension/InterfaceExtension.h" +#include "tuscany/sca/extension/ImplementationExtension.h" +#include "tuscany/sca/extension/ReferenceBindingExtension.h" +#include "tuscany/sca/extension/ServiceBindingExtension.h" +#include "tuscany/sca/model/Composite.h" +#include "tuscany/sca/model/Component.h" +#include "tuscany/sca/util/Library.h" + +#if defined(WIN32) || defined (_WINDOWS) +#include <windows.h> +#else +#include <pthread.h> +#endif + +#include <stack> +#include <string> +#include <map> +#include <list> +using namespace std; + +using namespace tuscany::sca::model; + + +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(); + + /** + * Load the SCA configuration from the scdl files (sca.composite, + * *.fragment, etc). + * This will create the runtime model from which the SCA runtime + * will operate. + */ + SCA_API void load(); + + /** + * Set the system root + * @param root The path to the system configuration. + */ + static void setSystemRoot(const string& root); + + /** + * Set the search path for composites. + * @param path The search path for composites. + */ + static void setSystemPath(const string& path); + + /** + * Set the default Component for the system + * @param componentName The name of the default component. + */ + static void setDefaultComponentName(const string& componentName); + + /** + * 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. + */ + SCA_API Composite* getSystem(); + + /** + * The directory in which the Tuscany runtime has been installed. + */ + SCA_API const string& getInstallRoot() {return SCARoot;} + + /** + * Return the current component for this thread. + * @return The current component for this thread. + */ + SCA_API Component* getCurrentComponent(); + + /** + * Get the default component set for this runtime. + * @return The default composite. + */ + SCA_API Component* getDefaultComponent(); + + /** + * Register an implementation extension + */ + SCA_API void registerImplementationExtension(ImplementationExtension* extension); + + /** + * Returns the implementation extension associated with + * the specified qname + */ + SCA_API ImplementationExtension* getImplementationExtension(const string& typeQname); + + /** + * Register a reference binding extension + */ + SCA_API void registerReferenceBindingExtension(ReferenceBindingExtension* extension); + + /** + * Returns the reference binding extension associated with + * the specified qname + */ + SCA_API ReferenceBindingExtension* getReferenceBindingExtension(const string& typeQname); + + /** + * Register a service binding extension + */ + SCA_API void registerServiceBindingExtension(ServiceBindingExtension* extension); + + /** + * Returns the service binding extension associated with + * the specified qname + */ + SCA_API ServiceBindingExtension* getServiceBindingExtension(const string& typeQname); + + /** + * Register an interface extension + */ + SCA_API void registerInterfaceExtension(InterfaceExtension* extension); + + /** + * Returns the interface extension associated with + * the specified qname + */ + SCA_API InterfaceExtension* getInterfaceExtension(const string& typeQname); + + private: + /** + * Default constructor is private to prevent more than one instance. + */ + SCARuntime(); + + virtual ~SCARuntime(); + + /** + * The single instance of this class. + */ + static SCARuntime* instance; + + /** + * Pointer to the top of the runtime model. + */ + Composite* system; + + /** + * The installed path of the Tuscany runtime. + */ + string SCARoot; + + /** + * The path to the system configuration + */ + static string systemRoot; + + /** + * The search path for composites. + */ + static string systemPath; + + /** + * The default CompositeComponent. + */ + static string defaultComponentName; + + /** + * The default component set for this runtime. + */ + Component* defaultComponent; + + + 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; + + typedef map<string, ImplementationExtension*> IMPLEMENTATION_EXTENSIONS_MAP; + IMPLEMENTATION_EXTENSIONS_MAP implementationExtensions; + + typedef map<string, ReferenceBindingExtension*> REFERENCE_BINDING_EXTENSIONS_MAP; + REFERENCE_BINDING_EXTENSIONS_MAP referenceBindingExtensions; + + typedef map<string, ServiceBindingExtension*> SERVICE_BINDING_EXTENSIONS_MAP; + SERVICE_BINDING_EXTENSIONS_MAP serviceBindingExtensions; + + typedef map<string, InterfaceExtension*> INTERFACE_EXTENSIONS_MAP; + INTERFACE_EXTENSIONS_MAP interfaceExtensions; + + // Runtime Extensions + void loadExtensions(); + + typedef list<Library> EXTENSIONS_LIST; + EXTENSIONS_LIST extensionsList; + + }; + + } // End namespace sca +} // End namespace tuscany + +typedef void (* TUSCANY_IMPLEMENTATION_EXTENSION_INITIALIZE) (); + +#endif // tuscany_sca_core_scaruntime_h |