2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.onap.appc.cache.impl;
27 import org.onap.appc.cache.CacheStrategies;
28 import org.onap.appc.cache.MetadataCache;
31 * Metadata Cache Factory
33 public class MetadataCacheFactory {
35 private static class ReferenceHolder {
36 private ReferenceHolder() {
37 throw new IllegalAccessError("ReferenceHolder");
40 private static final MetadataCacheFactory FACTORY = new MetadataCacheFactory();
43 private MetadataCacheFactory() {
47 public static MetadataCacheFactory getInstance(){
48 return ReferenceHolder.FACTORY;
51 public MetadataCache getMetadataCache(){
52 return new MetadataCacheImpl();
57 * @param cacheStrategy the CacheStrategies to be used to build MetadataCacheImpl
58 * @return a new instance of MetadataCacheImpl
60 public MetadataCache getMetadataCache(CacheStrategies cacheStrategy) {
61 return new MetadataCacheImpl(cacheStrategy);