| /** |
| * 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> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <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.ozone.om; |
| |
| import org.apache.hadoop.ozone.om.helpers.OmPrefixInfo; |
| |
| import java.util.List; |
| |
| /** |
| * Handles prefix commands. |
| * //TODO: support OzoneManagerFS for ozfs optimization using prefix tree. |
| */ |
| public interface PrefixManager extends IOzoneAcl { |
| |
| /** |
| * Returns the metadataManager. |
| * @return OMMetadataManager. |
| */ |
| OMMetadataManager getMetadataManager(); |
| |
| /** |
| * Get the list of path components that match with obj's path. |
| * longest prefix. |
| * Note: the number of the entries include a root "/" |
| * so if you have a longtest prefix path /a/b/c/ |
| * the returned list will be ["/", "a", "b", "c"] |
| * @param path ozone object path |
| * @return list of longest path components that matches obj's path. |
| */ |
| List<OmPrefixInfo> getLongestPrefixPath(String path); |
| } |
