2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.objcache;
10 import com.google.common.base.Preconditions;
12 import javax.annotation.Nonnull;
13 import javax.annotation.concurrent.GuardedBy;
15 import org.opendaylight.yangtools.objcache.impl.StaticObjectCacheBinder;
16 import org.opendaylight.yangtools.objcache.spi.IObjectCacheFactory;
17 import org.opendaylight.yangtools.objcache.spi.NoopObjectCacheBinder;
20 * Point of entry for acquiring an {@link ObjectCache} instance.
22 public final class ObjectCacheFactory {
23 private static volatile IObjectCacheFactory factory;
26 private static synchronized IObjectCacheFactory initialize() {
27 // Double-check under lock
28 IObjectCacheFactory f = factory;
34 f = StaticObjectCacheBinder.getInstance().getProductCacheFactory();
36 } catch (NoClassDefFoundError e) {
37 f = NoopObjectCacheBinder.INSTANCE.getProductCacheFactory();
43 public static synchronized void reset() {
48 * Get an ObjectCache for caching a particular object class. Note
49 * that it may be shared for multiple classes.
51 * @param objClass Class of objects which are to be cached
52 * @return Object cache instance.
54 public static ObjectCache getObjectCache(@Nonnull final Class<?> objClass) {
55 IObjectCacheFactory f = factory;
60 return f.getObjectCache(Preconditions.checkNotNull(objClass));