| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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. |
| */ |
| |
| package org.onosproject.yang; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onosproject.yang.model.YangModel; |
| import org.onosproject.yang.model.YangModuleId; |
| import org.onosproject.yang.runtime.AppModuleInfo; |
| import org.onosproject.yang.runtime.DefaultModelRegistrationParam; |
| import org.onosproject.yang.runtime.ModelRegistrationParam; |
| import org.onosproject.yang.runtime.ModelRegistrationParam.Builder; |
| import org.onosproject.yang.runtime.YangModelRegistry; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Map; |
| |
| import static org.onosproject.yang.runtime.helperutils.YangApacheUtils.getYangModel; |
| |
| /** |
| * Abstract base for self-registering YANG models. |
| */ |
| @Component |
| public abstract class AbstractYangModelRegistrator { |
| |
| protected final Logger log = LoggerFactory.getLogger(getClass()); |
| private final Class<?> loaderClass; |
| |
| protected Map<YangModuleId, AppModuleInfo> appInfo; |
| protected YangModel model; |
| private ModelRegistrationParam registrationParam; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected YangModelRegistry modelRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected YangClassLoaderRegistry sourceResolver; |
| |
| /** |
| * Creates a model registrator primed with the class-loader of the specified |
| * class. |
| * |
| * @param loaderClass class whose class loader is to be used for locating |
| * schema data |
| */ |
| protected AbstractYangModelRegistrator(Class<?> loaderClass) { |
| this.loaderClass = loaderClass; |
| } |
| |
| /** |
| * Creates a model registrator primed with the class-loader of the specified |
| * class and application info. |
| * |
| * @param loaderClass class whose class loader is to be used for locating |
| * schema data |
| * @param appInfo application information |
| */ |
| protected AbstractYangModelRegistrator(Class<?> loaderClass, |
| Map<YangModuleId, AppModuleInfo> appInfo) { |
| this.loaderClass = loaderClass; |
| this.appInfo = appInfo; |
| } |
| |
| @Activate |
| protected void activate() { |
| log.info("Starting..."); |
| model = getYangModel(loaderClass); |
| log.info("ModelId: {}", model.getYangModelId()); |
| ModelRegistrationParam.Builder b = |
| DefaultModelRegistrationParam.builder().setYangModel(model); |
| registrationParam = getAppInfo(b).setYangModel(model).build(); |
| sourceResolver.registerClassLoader(model.getYangModelId(), loaderClass.getClassLoader()); |
| modelRegistry.registerModel(registrationParam); |
| log.info("Started"); |
| } |
| |
| protected ModelRegistrationParam.Builder getAppInfo(Builder b) { |
| if (appInfo != null) { |
| appInfo.entrySet().stream().filter( |
| entry -> model.getYangModule(entry.getKey()) != null).forEach( |
| entry -> b.addAppModuleInfo(entry.getKey(), entry.getValue())); |
| } |
| return b; |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| modelRegistry.unregisterModel(registrationParam); |
| sourceResolver.unregisterClassLoader(model.getYangModelId()); |
| log.info("Stopped"); |
| } |
| } |