[ONOS-5084],[ONOS-5083] YANG schema registry for YMS
Change-Id: I88394307cb9be30237be0bb17e013d7af88a607c
diff --git a/apps/yms/app/src/main/java/org/onosproject/yms/app/ysr/YangSchemaRegistry.java b/apps/yms/app/src/main/java/org/onosproject/yms/app/ysr/YangSchemaRegistry.java
new file mode 100644
index 0000000..1812f04
--- /dev/null
+++ b/apps/yms/app/src/main/java/org/onosproject/yms/app/ysr/YangSchemaRegistry.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2016-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.yms.app.ysr;
+
+import org.onosproject.yangutils.datamodel.YangSchemaNode;
+import org.onosproject.yms.app.ynh.YangNotificationExtendedService;
+
+/**
+ * Abstraction of entity which provides interfaces to YANG schema registry.
+ */
+public interface YangSchemaRegistry {
+
+ /**
+ * Registers applications to YMS.
+ *
+ * @param managerObject application's object
+ * @param serviceClass service class which needs to be
+ * registered
+ * @param notificationExtendedService notification extended service to
+ * register application object with YNH
+ */
+ void registerApplication(Object managerObject, Class<?> serviceClass,
+ YangNotificationExtendedService
+ notificationExtendedService);
+
+ /**
+ * Unregisters applications to YMS.
+ *
+ * @param managerObject application's object
+ * @param serviceClass service class which needs to be unregistered
+ */
+ void unRegisterApplication(Object managerObject, Class<?> serviceClass);
+
+ /**
+ * Returns application's implementation's class object.
+ *
+ * @param yangSchemaNode application's schema node
+ * @return application's implementation's class object
+ */
+ Object getRegisteredApplication(YangSchemaNode yangSchemaNode);
+
+ /**
+ * Returns YANG schema node using schema name.
+ *
+ * @param schemaName module name.
+ * @return YANG schema node using schema name
+ */
+ YangSchemaNode getYangSchemaNodeUsingSchemaName(String schemaName);
+
+ /**
+ * Returns YANG schema nodes using application name.
+ *
+ * @param appName application's service name
+ * @return YANG schema nodes using application name
+ */
+ YangSchemaNode getYangSchemaNodeUsingAppName(String appName);
+
+ /**
+ * Returns YANG schema nodes using root interface file name.
+ *
+ * @param rootInterfaceFileName name of generated interface file
+ * for root node
+ * @return YANG schema nodes using root interface file name
+ */
+ YangSchemaNode
+ getYangSchemaNodeUsingGeneratedRootNodeInterfaceFileName(
+ String rootInterfaceFileName);
+
+ /**
+ * Returns YANG schema nodes using root op param file name.
+ *
+ * @param rootOpParamFileName name of generated op param file for root node
+ * @return YANG schema nodes using root op param file name
+ */
+ YangSchemaNode
+ getYangSchemaNodeUsingGeneratedRootNodeOpPramFileName(
+ String rootOpParamFileName);
+
+ /**
+ * Returns YANG schema node of root for notifications.
+ *
+ * @param eventSubject event subject
+ * @return YANG schema node of root for notifications
+ */
+ YangSchemaNode getRootYangSchemaNodeForNotification(String eventSubject);
+
+ /**
+ * Returns registered service class.
+ *
+ * @param schemaNode YANG schema node
+ * @param appName application's name
+ * @return registered service class
+ */
+ Class<?> getRegisteredClass(YangSchemaNode schemaNode, String appName);
+
+}