2 * ========================LICENSE_START=================================
4 * ======================================================================
5 * Copyright (C) 2022 Nordix Foundation. All rights reserved.
6 * ======================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================LICENSE_END===================================
21 package org.onap.ccsdk.oran.a1policymanagementservice.datastore;
23 import com.google.common.base.Strings;
25 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
27 import reactor.core.publisher.Flux;
28 import reactor.core.publisher.Mono;
30 public interface DataStore {
32 public Flux<String> listObjects(String prefix);
34 public Mono<byte[]> readObject(String name);
36 public Mono<byte[]> writeObject(String name, byte[] fileData);
38 public Mono<Boolean> deleteObject(String name);
40 public Mono<String> createDataStore();
42 public Mono<String> deleteAllObjects();
44 public static DataStore create(ApplicationConfig appConfig, String location) {
45 if (appConfig.isS3Enabled()) {
46 return new S3ObjectStore(appConfig, location);
47 } else if (!Strings.isNullOrEmpty(appConfig.getVardataDirectory())) {
48 return new FileStore(appConfig, location);
50 return new NullStore(location);