ONOS-2690: Register a device as resource when it is added
Change-Id: I37f931665e06cb2415d569e61e8c6592faea485a
diff --git a/core/net/src/main/java/org/onosproject/net/newresource/impl/ResourceDeviceListener.java b/core/net/src/main/java/org/onosproject/net/newresource/impl/ResourceDeviceListener.java
new file mode 100644
index 0000000..f7c9c0f
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/newresource/impl/ResourceDeviceListener.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2015 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.net.newresource.impl;
+
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.newresource.ResourceAdminService;
+import org.onosproject.net.newresource.ResourcePath;
+
+import java.util.concurrent.ExecutorService;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * An implementation of DeviceListener registering devices as resources.
+ */
+final class ResourceDeviceListener implements DeviceListener {
+
+ private final ResourceAdminService adminService;
+ private final ExecutorService executor;
+
+ /**
+ * Creates an instance with the specified ResourceAdminService and ExecutorService.
+ *
+ * @param adminService instance invoked to register resources
+ * @param executor executor used for processing resource registration
+ */
+ ResourceDeviceListener(ResourceAdminService adminService, ExecutorService executor) {
+ this.adminService = checkNotNull(adminService);
+ this.executor = checkNotNull(executor);
+ }
+
+ @Override
+ public void event(DeviceEvent event) {
+ Device device = event.subject();
+ switch (event.type()) {
+ case DEVICE_ADDED:
+ registerDeviceResource(device);
+ break;
+ default:
+ break;
+ }
+ }
+
+ private void registerDeviceResource(Device device) {
+ DeviceId deviceId = device.id();
+ executor.submit(() -> adminService.registerResources(new ResourcePath(ResourcePath.ROOT, deviceId)));
+ }
+}