Adding a small hack to allow resolving model specific resources against the class-loader of the model.
Change-Id: I78dd29cd626495005cec094a8a6f1a952e3e68df
diff --git a/apps/yang/src/main/java/org/onosproject/yang/YangClassLoaderRegistry.java b/apps/yang/src/main/java/org/onosproject/yang/YangClassLoaderRegistry.java
new file mode 100644
index 0000000..7198346
--- /dev/null
+++ b/apps/yang/src/main/java/org/onosproject/yang/YangClassLoaderRegistry.java
@@ -0,0 +1,50 @@
+/*
+ * 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 com.google.common.annotations.Beta;
+
+/**
+ * Auxiliary mechanism for resolving model IDs into class-loaders from where
+ * the model was registered.
+ */
+@Beta
+public interface YangClassLoaderRegistry {
+
+ /**
+ * Get the class loader registered for the given model id.
+ *
+ * @param modelId model identifier
+ * @return class loader registered for the model
+ */
+ ClassLoader getClassLoader(String modelId);
+
+ /**
+ * Register the class loader for the specified model.
+ *
+ * @param modelId model identifier
+ * @param classLoader class loader
+ */
+ void registerClassLoader(String modelId, ClassLoader classLoader);
+
+ /**
+ * Register the class loader for the specified model.
+ *
+ * @param modelId model identifier
+ */
+ void unregisterClassLoader(String modelId);
+}