YANG live compiler.

Change-Id: I1844c0cb1ca7fffdd2522f2aa74df8d16a71d465
diff --git a/apps/yang/src/main/java/org/onosproject/yang/YangLiveCompilerManager.java b/apps/yang/src/main/java/org/onosproject/yang/YangLiveCompilerManager.java
new file mode 100644
index 0000000..7bd6f98
--- /dev/null
+++ b/apps/yang/src/main/java/org/onosproject/yang/YangLiveCompilerManager.java
@@ -0,0 +1,69 @@
+/*
+ * 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;
+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.apache.felix.scr.annotations.Service;
+import org.onosproject.core.CoreService;
+import org.onosproject.yang.compiler.api.YangCompilationParam;
+import org.onosproject.yang.compiler.api.YangCompiledOutput;
+import org.onosproject.yang.compiler.api.YangCompilerException;
+import org.onosproject.yang.compiler.api.YangCompilerService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+/**
+ * Represents implementation of YANG live compiler manager.
+ */
+@Beta
+@Service
+@Component(immediate = true)
+public class YangLiveCompilerManager implements YangCompilerService {
+
+    private static final String APP_ID = "org.onosproject.yang";
+    private final Logger log = LoggerFactory.getLogger(getClass());
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CoreService coreService;
+    private YangCompilerService compilerService;
+
+    @Activate
+    public void activate() {
+        coreService.registerApplication(APP_ID);
+        // TODO implementation.
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
+
+    @Override
+    public YangCompiledOutput compileYangFiles(YangCompilationParam param)
+            throws IOException, YangCompilerException {
+        // TODO implementation.
+        return null;
+    }
+}