| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * <p> |
| * <p>http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * <p>Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.hadoop.hdds.scm.ha; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.util.concurrent.CompletableFuture; |
| |
| /** |
| * Contract to download a SCM Snapshot from remote server.. |
| * <p> |
| * |
| * The underlying implementation is supposed to download SCM snapshot via |
| * any chosen protocol(for now its Grpc). |
| * images. |
| */ |
| public interface SCMSnapshotDownloader { |
| |
| /** |
| * Downloads the contents to the target file path. |
| * |
| * @param destination |
| * @return Future task for download progress |
| * @throws IOException |
| */ |
| CompletableFuture<Path> download(Path destination) throws IOException; |
| |
| void close() throws Exception; |
| } |