Decouple config and netconf subsystems.

[controller.git] / opendaylight / netconf / sal-netconf-connector / src / main / java / org / opendaylight / controller / sal / connect / netconf / sal / NetconfDeviceNotificationService.java

diff --git a/opendaylight/netconf/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/NetconfDeviceNotificationService.java b/opendaylight/netconf/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/NetconfDeviceNotificationService.java
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+++ b/opendaylight/netconf/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/NetconfDeviceNotificationService.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.sal.connect.netconf.sal;
+
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Multimap;
+import java.util.Collection;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
+import org.opendaylight.controller.md.sal.dom.api.DOMNotificationListener;
+import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+
+class NetconfDeviceNotificationService implements DOMNotificationService {
+
+    private final Multimap<SchemaPath, DOMNotificationListener> listeners = HashMultimap.create();
+
+    // Notification publish is very simple and hijacks the thread of the caller
+    // TODO shouldnt we reuse the implementation for notification router from sal-broker-impl ?
+    public synchronized void publishNotification(final DOMNotification notification) {
+        for (final DOMNotificationListener domNotificationListener : listeners.get(notification.getType())) {
+            domNotificationListener.onNotification(notification);
+        }
+    }
+
+    @Override
+    public synchronized <T extends DOMNotificationListener> ListenerRegistration<T> registerNotificationListener(@Nonnull final T listener, @Nonnull final Collection<SchemaPath> types) {
+        for (final SchemaPath type : types) {
+            listeners.put(type, listener);
+        }
+
+        // FIXME this should invoke create-subscription rpc on the remote device for a given notification
+
+        return new ListenerRegistration<T>() {
+            @Override
+            public void close() {
+                for (final SchemaPath type : types) {
+                    listeners.remove(type, listener);
+                }
+            }
+
+            @Override
+            public T getInstance() {
+                return listener;
+            }
+        };
+    }
+
+    @Override
+    public synchronized <T extends DOMNotificationListener> ListenerRegistration<T> registerNotificationListener(@Nonnull final T listener, final SchemaPath... types) {
+        return registerNotificationListener(listener, Lists.newArrayList(types));
+    }
+}