Adding demo yang models and working on yang model packaging.
Change-Id: Ief674880920cf6165c863909298eb4fa6dd3fb64
diff --git a/apps/yang/src/main/java/org/onosproject/yang/AbstractYangModelRegistrator.java b/apps/yang/src/main/java/org/onosproject/yang/AbstractYangModelRegistrator.java
new file mode 100644
index 0000000..55e2a06
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+++ b/apps/yang/src/main/java/org/onosproject/yang/AbstractYangModelRegistrator.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.runtime.DefaultModelRegistrationParam;
+import org.onosproject.yang.runtime.ModelRegistrationParam;
+import org.onosproject.yang.runtime.YangModelRegistry;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.onosproject.yang.runtime.helperutils.YangApacheUtils.getYangModel;
+
+/**
+ * Abstract base for self-registering YANG models.
+ */
+@Component
+public abstract class AbstractYangModelRegistrator {
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+ private final Class<?> loaderClass;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected YangModelRegistry modelRegistry;
+
+ private YangModel model;
+ private ModelRegistrationParam registrationParam;
+
+ /**
+ * 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;
+ }
+
+ @Activate
+ protected void activate() {
+ model = getYangModel(loaderClass);
+ registrationParam = DefaultModelRegistrationParam.builder()
+ .setYangModel(model).build();
+ modelRegistry.registerModel(registrationParam);
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ modelRegistry.unregisterModel(registrationParam);
+ log.info("Stopped");
+ }
+}