| /** |
| * 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.hadoop.hdfs.server.namenode.sps; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * An interface for scanning the directory recursively and collect files |
| * under the given directory. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public interface FileCollector { |
| |
| /** |
| * This method can be used to scan and collects the files under that |
| * directory and adds to the given BlockStorageMovementNeeded. |
| * |
| * @param path |
| * - file path id |
| */ |
| void scanAndCollectFiles(long path) |
| throws IOException, InterruptedException; |
| } |