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/*
* 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;
}