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.livemigration;
  
  import java.io.IOException;
  import java.util.List;
  
  import org.apache.cassandra.sidecar.common.response.InstanceFileInfo;
  import org.apache.cassandra.sidecar.config.LiveMigrationConfiguration;
  
  /**
   * Lists files that a Cassandra instance has.
   */
  public interface CassandraInstanceFiles
  {
      /**
       * Lists files belong to a Cassandra instance after excluding default set files to exclude
       * {@link LiveMigrationConfiguration#filesToExclude()} and default set of directories to exclude
       * {@link LiveMigrationConfiguration#directoriesToExclude()}.
       *
       * @return list of files a Cassandra instance has after excluding default files and folders.
       * @throws IOException when failed to read any file or folder.
       */
      List<InstanceFileInfo> files() throws IOException;
  
      /**
       * Returns a list of directory visitors available for traversing the Cassandra instance's directories.
       *
       * @return list of DirVisitor instances, one for each Cassandra directory to be explored
       */
      List<DirVisitor> dirVisitorList();
  }
  