2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.openecomp.appc.mdsal.impl;
24 import org.openecomp.appc.mdsal.MDSALStore;
27 * Factory class to create/get instance of MDSALStore
29 public class MDSALStoreFactory {
30 private static class ReferenceHolder{
31 private static MDSALStore store = new MDSALStoreImpl();
32 private ReferenceHolder(){}
34 private MDSALStoreFactory(){
39 * Method for creating MDSALStore instance, It creates an instance of
40 * MDSALStoreImpl once and returns the same instance everytime it is invoked.
43 public static MDSALStore createMDSALStore (){
44 return ReferenceHolder.store;