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 javax.annotation.Nonnull;
12 import org.opendaylight.yangtools.objcache.impl.StaticObjectCacheBinder;
13 import org.opendaylight.yangtools.objcache.spi.IObjectCacheFactory;
14 import org.opendaylight.yangtools.objcache.spi.NoopObjectCacheBinder;
16 import com.google.common.base.Preconditions;
19 * Point of entry for acquiring an {@link ObjectCache} instance.
21 public final class ObjectCacheFactory {
22 private static IObjectCacheFactory FACTORY;
24 private static synchronized IObjectCacheFactory initialize() {
25 // Double-check under lock
26 if (FACTORY != null) {
30 IObjectCacheFactory f;
32 f = StaticObjectCacheBinder.getInstance().getProductCacheFactory();
34 } catch (NoClassDefFoundError e) {
35 f = NoopObjectCacheBinder.INSTANCE.getProductCacheFactory();
41 public static synchronized void reset() {
46 * Get an ObjectCache for caching a particular object class. Note
47 * that it may be shared for multiple classes.
49 * @param objClass Class of objects which are to be cached
50 * @return Object cache instance.
52 public static ObjectCache getObjectCache(@Nonnull final Class<?> objClass) {
53 IObjectCacheFactory f = FACTORY;
58 return f.getObjectCache(Preconditions.checkNotNull(objClass));