Notification Listener Adapter uses NotificationListenerInvoker 36/17836/5
authorTony Tkacik <ttkacik@cisco.com>
Tue, 7 Apr 2015 12:02:39 +0000 (14:02 +0200)
committerTony Tkacik <ttkacik@cisco.com>
Wed, 15 Apr 2015 09:48:13 +0000 (09:48 +0000)
Change-Id: I64bd1c031d979b087ad1dbc659020e1716213e42
Signed-off-by: Tony Tkacik <ttkacik@cisco.com>
opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMNotificationListenerAdapter.java
opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMNotificationServiceAdapter.java

index 03da296..c9a1756 100644 (file)
@@ -7,27 +7,77 @@
  */
 package org.opendaylight.controller.md.sal.binding.impl;
 
+import com.google.common.collect.ImmutableMap;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 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.sal.binding.spi.NotificationInvokerFactory;
 import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
 import org.opendaylight.yangtools.yang.binding.Notification;
+import org.opendaylight.yangtools.yang.binding.NotificationListener;
+import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
+import org.opendaylight.yangtools.yang.binding.util.NotificationListenerInvoker;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 
 class BindingDOMNotificationListenerAdapter implements DOMNotificationListener {
 
-    private final NotificationInvokerFactory.NotificationInvoker invoker;
     private final BindingNormalizedNodeSerializer codec;
+    private final NotificationListener delegate;
+    private final Map<SchemaPath,NotificationListenerInvoker> invokers;
 
-    public BindingDOMNotificationListenerAdapter(final BindingNormalizedNodeSerializer codec, final NotificationInvokerFactory.NotificationInvoker invoker) {
+    public BindingDOMNotificationListenerAdapter(final BindingNormalizedNodeSerializer codec, final NotificationListener delegate) {
         this.codec = codec;
-        this.invoker = invoker;
+        this.delegate = delegate;
+        this.invokers = createInvokerMapFor(delegate.getClass());
     }
 
     @Override
     public void onNotification(@Nonnull final DOMNotification notification) {
         final Notification baNotification =
                 codec.fromNormalizedNodeNotification(notification.getType(), notification.getBody());
-        invoker.getInvocationProxy().onNotification(baNotification);
+        final QName notificationQName = notification.getType().getLastComponent();
+        getInvoker(notification.getType()).invokeNotification(delegate, notificationQName, baNotification);
+    }
+
+    private NotificationListenerInvoker getInvoker(final SchemaPath type) {
+        return invokers.get(type);
+    }
+
+    protected Set<SchemaPath> getSupportedNotifications() {
+        return invokers.keySet();
+    }
+
+    private static Map<SchemaPath, NotificationListenerInvoker> createInvokerMapFor(final Class<? extends NotificationListener> implClz) {
+        final Map<SchemaPath, NotificationListenerInvoker> builder = new HashMap<>();
+        for(final Class<?> iface : implClz.getInterfaces()) {
+            if(NotificationListener.class.isAssignableFrom(iface) && BindingReflections.isBindingClass(iface)) {
+                @SuppressWarnings("unchecked")
+                final Class<? extends NotificationListener> listenerType = (Class<? extends NotificationListener>) iface;
+                final NotificationListenerInvoker invoker = NotificationListenerInvoker.from(listenerType);
+                for(final SchemaPath path : getNotificationTypes(listenerType)) {
+                    builder.put(path, invoker);
+                }
+            }
+        }
+        return ImmutableMap.copyOf(builder);
+    }
+
+    private static Set<SchemaPath> getNotificationTypes(final Class<? extends NotificationListener> type) {
+        // TODO: Investigate possibility and performance impact if we cache this or expose
+        // it from NotificationListenerInvoker
+        final Set<SchemaPath> ret = new HashSet<>();
+        for(final Method method : type.getMethods()) {
+            if(BindingReflections.isNotificationCallback(method)) {
+                final Class<?> notification = method.getParameterTypes()[0];
+                final QName name = BindingReflections.findQName(notification);
+                ret.add(SchemaPath.create(true, name));
+            }
+        }
+        return ret;
     }
 }
\ No newline at end of file
index 6006266..cdf03fa 100644 (file)
@@ -9,13 +9,9 @@ package org.opendaylight.controller.md.sal.binding.impl;
 
 import com.google.common.collect.ClassToInstanceMap;
 import com.google.common.collect.ImmutableSet;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
 import java.util.Set;
 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
 import org.opendaylight.controller.md.sal.binding.impl.BindingDOMAdapterBuilder.Factory;
-import org.opendaylight.controller.md.sal.dom.api.DOMNotificationListener;
 import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
 import org.opendaylight.controller.md.sal.dom.api.DOMService;
 import org.opendaylight.controller.sal.binding.codegen.impl.SingletonHolder;
@@ -23,10 +19,7 @@ import org.opendaylight.controller.sal.binding.spi.NotificationInvokerFactory;
 import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.binding.Notification;
 import org.opendaylight.yangtools.yang.binding.NotificationListener;
-import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 
 public class BindingDOMNotificationServiceAdapter implements NotificationService, AutoCloseable {
 
@@ -40,34 +33,20 @@ public class BindingDOMNotificationServiceAdapter implements NotificationService
     };
     private final BindingNormalizedNodeSerializer codec;
     private final DOMNotificationService domNotifService;
-    private final NotificationInvokerFactory notificationInvokerFactory;
 
     public BindingDOMNotificationServiceAdapter(final BindingNormalizedNodeSerializer codec, final DOMNotificationService domNotifService, final NotificationInvokerFactory notificationInvokerFactory) {
         this.codec = codec;
         this.domNotifService = domNotifService;
-        this.notificationInvokerFactory = notificationInvokerFactory;
     }
 
     @Override
     public <T extends NotificationListener> ListenerRegistration<T> registerNotificationListener(final T listener) {
-        final NotificationInvokerFactory.NotificationInvoker invoker = notificationInvokerFactory.invokerFor(listener);
-        final DOMNotificationListener domListener = new BindingDOMNotificationListenerAdapter(codec, invoker);
-        final Collection<SchemaPath> schemaPaths = convertNotifTypesToSchemaPath(invoker.getSupportedNotifications());
-        final ListenerRegistration<DOMNotificationListener> domRegistration =
-                domNotifService.registerNotificationListener(domListener, schemaPaths);
+        final BindingDOMNotificationListenerAdapter domListener = new BindingDOMNotificationListenerAdapter(codec, listener);
+        final ListenerRegistration<BindingDOMNotificationListenerAdapter> domRegistration =
+                domNotifService.registerNotificationListener(domListener, domListener.getSupportedNotifications());
         return new ListenerRegistrationImpl<>(listener, domRegistration);
     }
 
-
-
-    private Collection<SchemaPath> convertNotifTypesToSchemaPath(final Set<Class<? extends Notification>> notificationTypes) {
-        final List<SchemaPath> schemaPaths = new ArrayList<>();
-        for (final Class<? extends Notification> notificationType : notificationTypes) {
-            schemaPaths.add(SchemaPath.create(true, BindingReflections.findQName(notificationType)));
-        }
-        return schemaPaths;
-    }
-
     @Override
     public void close() throws Exception {
 
@@ -89,7 +68,6 @@ public class BindingDOMNotificationServiceAdapter implements NotificationService
 
     private static class Builder extends BindingDOMAdapterBuilder<NotificationService> {
 
-
         @Override
         protected NotificationService createInstance(final BindingToNormalizedNodeCodec codec,
                 final ClassToInstanceMap<DOMService> delegates) {
@@ -102,8 +80,5 @@ public class BindingDOMNotificationServiceAdapter implements NotificationService
         public Set<? extends Class<? extends DOMService>> getRequiredDelegates() {
             return ImmutableSet.of(DOMNotificationService.class);
         }
-
-
-
     }
 }

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