Bug 4035: Invert dependency binding-impl -> binding-config

[controller.git] / opendaylight / md-sal / sal-binding-config / src / main / java / org / opendaylight / controller / config / yang / md / sal / binding / impl / NotificationBrokerImplModule.java

diff --git a/opendaylight/md-sal/sal-binding-config/src/main/java/org/opendaylight/controller/config/yang/md/sal/binding/impl/NotificationBrokerImplModule.java b/opendaylight/md-sal/sal-binding-config/src/main/java/org/opendaylight/controller/config/yang/md/sal/binding/impl/NotificationBrokerImplModule.java
new file mode 100644 (file)
index 0000000..ec4bc76
--- /dev/null
+++ b/opendaylight/md-sal/sal-binding-config/src/main/java/org/opendaylight/controller/config/yang/md/sal/binding/impl/NotificationBrokerImplModule.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2014 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.config.yang.md.sal.binding.impl;
+
+import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
+import org.opendaylight.controller.md.sal.binding.api.NotificationService;
+import org.opendaylight.controller.md.sal.binding.compat.HeliumNotificationProviderServiceAdapter;
+import org.opendaylight.controller.md.sal.binding.compat.HeliumNotificationProviderServiceWithInterestListeners;
+import org.opendaylight.controller.md.sal.binding.compat.HydrogenNotificationBrokerImpl;
+import org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationPublishServiceAdapter;
+import org.opendaylight.controller.md.sal.binding.impl.BindingDOMNotificationServiceAdapter;
+import org.opendaylight.controller.md.sal.dom.api.DOMNotificationPublishService;
+import org.opendaylight.controller.md.sal.dom.spi.DOMNotificationSubscriptionListenerRegistry;
+import org.opendaylight.controller.sal.binding.codegen.impl.SingletonHolder;
+
+/**
+*
+*/
+public final class NotificationBrokerImplModule extends
+        org.opendaylight.controller.config.yang.md.sal.binding.impl.AbstractNotificationBrokerImplModule {
+
+    public NotificationBrokerImplModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
+            final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
+        super(identifier, dependencyResolver);
+    }
+
+    public NotificationBrokerImplModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
+            final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver,
+            final NotificationBrokerImplModule oldModule, final java.lang.AutoCloseable oldInstance) {
+        super(identifier, dependencyResolver, oldModule, oldInstance);
+    }
+
+    @Override
+    public void validate() {
+        super.validate();
+        // Add custom validation for module attributes here.
+    }
+
+    @Override
+    public java.lang.AutoCloseable createInstance() {
+
+        final NotificationPublishService notificationPublishService = getNotificationPublishAdapterDependency();
+        final NotificationService notificationService = getNotificationAdapterDependency();
+
+        if(notificationPublishService != null & notificationService != null) {
+            return createHeliumAdapter(notificationPublishService,notificationService);
+        }
+
+        /*
+         *  FIXME: Switch to new broker (which has different threading model)
+         *  once this change is communicated with downstream users or
+         *  we will have adapter implementation which will honor Helium
+         *  threading model for notifications.
+         */
+        return new HydrogenNotificationBrokerImpl(SingletonHolder.getDefaultNotificationExecutor());
+    }
+
+    private static AutoCloseable createHeliumAdapter(final NotificationPublishService publishService,
+            final NotificationService listenService) {
+        if (listenService instanceof BindingDOMNotificationServiceAdapter
+                && publishService instanceof BindingDOMNotificationPublishServiceAdapter) {
+            final BindingDOMNotificationPublishServiceAdapter castedPublish =
+                    (BindingDOMNotificationPublishServiceAdapter) publishService;
+            final BindingDOMNotificationServiceAdapter castedListen =
+                    (BindingDOMNotificationServiceAdapter) listenService;
+            final DOMNotificationPublishService domPublishService = castedPublish.getDomPublishService();
+            if (domPublishService instanceof DOMNotificationSubscriptionListenerRegistry) {
+                final DOMNotificationSubscriptionListenerRegistry subsRegistry =
+                        (DOMNotificationSubscriptionListenerRegistry) domPublishService;
+                return new HeliumNotificationProviderServiceWithInterestListeners(castedPublish, castedListen,
+                        subsRegistry);
+            }
+        }
+        return new HeliumNotificationProviderServiceAdapter(publishService, listenService);
+    }
+}