Moved legacy Notification implementation to compat package.

[controller.git] / opendaylight / md-sal / sal-binding-broker / src / main / java / org / opendaylight / controller / sal / binding / impl / ListenerMapGeneration.java

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/ListenerMapGeneration.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/ListenerMapGeneration.java
deleted file mode 100644 (file)
index 4d893aa..0000000
--- a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/sal/binding/impl/ListenerMapGeneration.java
+++ /dev/null
@@ -1,106 +0,0 @@
-/**
- * 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.sal.binding.impl;
-
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Set;
-
-import org.opendaylight.yangtools.yang.binding.Notification;
-
-import com.google.common.base.Predicate;
-import com.google.common.cache.CacheBuilder;
-import com.google.common.cache.CacheLoader;
-import com.google.common.cache.LoadingCache;
-import com.google.common.collect.ImmutableMultimap;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Multimap;
-
-/**
- * An immutable view of the current generation of listeners.
- */
-final class ListenerMapGeneration {
-    private static final int CACHE_MAX_ENTRIES = 1000;
-
-    /**
-     * Constant map of notification type to subscribed listeners.
-     */
-    private final Multimap<Class<? extends Notification>, NotificationListenerRegistration<?>> typeToListeners;
-
-    /**
-     * Dynamic cache of notification implementation to matching listeners. This cache loads entries based on
-     * the contents of the {@link #typeToListeners} map.
-     */
-    private final LoadingCache<Class<?>, Iterable<NotificationListenerRegistration<?>>> implementationToListeners =
-            CacheBuilder.newBuilder()
-            .weakKeys()
-            .maximumSize(CACHE_MAX_ENTRIES)
-            .build(new CacheLoader<Class<?>, Iterable<NotificationListenerRegistration<?>>>() {
-                @Override
-                public Iterable<NotificationListenerRegistration<?>> load(final Class<?> key) {
-                    final Set<NotificationListenerRegistration<?>> regs = new HashSet<>();
-
-                    for (final Class<?> type : getNotificationTypes(key)) {
-                        @SuppressWarnings("unchecked")
-                        final Collection<NotificationListenerRegistration<?>> l = typeToListeners.get((Class<? extends Notification>) type);
-                        if (l != null) {
-                            regs.addAll(l);
-                        }
-                    }
-
-                    return ImmutableSet.copyOf(regs);
-                }
-            });
-
-    ListenerMapGeneration() {
-        typeToListeners = ImmutableMultimap.of();
-    }
-
-    ListenerMapGeneration(final Multimap<Class<? extends Notification>, NotificationListenerRegistration<?>> listeners) {
-        this.typeToListeners = ImmutableMultimap.copyOf(listeners);
-    }
-
-    /**
-     * Current listeners. Exposed for creating the next generation.
-     *
-     * @return Current type-to-listener map.
-     */
-    Multimap<Class<? extends Notification>, NotificationListenerRegistration<?>> getListeners() {
-        return typeToListeners;
-    }
-
-    /**
-     * Look up the listeners which need to see this notification delivered.
-     *
-     * @param notification Notification object
-     * @return Iterable of listeners, guaranteed to be nonnull.
-     */
-    public Iterable<NotificationListenerRegistration<?>> listenersFor(final Notification notification) {
-        // Safe to use, as our loader does not throw checked exceptions
-        return implementationToListeners.getUnchecked(notification.getClass());
-    }
-
-    public Iterable<Class<? extends Notification>> getKnownTypes() {
-        return typeToListeners.keySet();
-    }
-
-    private static Iterable<Class<?>> getNotificationTypes(final Class<?> cls) {
-        final Class<?>[] ifaces = cls.getInterfaces();
-        return Iterables.filter(Arrays.asList(ifaces), new Predicate<Class<?>>() {
-            @Override
-            public boolean apply(final Class<?> input) {
-                if (Notification.class.equals(input)) {
-                    return false;
-                }
-                return Notification.class.isAssignableFrom(input);
-            }
-        });
-    }
-}
\ No newline at end of file