content: /*
   * 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
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * 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.cassandra.sidecar.utils;
  
  import io.vertx.core.Future;
  
  /**
   * Interface to verify integrity of SSTables uploaded.
   * <p>
   * Note: If digest calculations of multiple files are happening at the same time, we would want to limit concurrent
   * digest calculations. Since {@link DigestVerifier} is currently used only by upload handler, we are not
   * introducing another limit here. Concurrent uploads limit should limit concurrent digest calculations as well.
   */
  public interface DigestVerifier
  {
      /**
       * @param filePath path to SSTable component
       * @return a future String with the component path if verification is a success, otherwise a failed future
       */
      Future<String> verify(String filePath);
  }
  