/* * 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.hbase; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import org.apache.hadoop.hbase.HConstants; import org.apache.hadoop.hbase.TableName; import org.apache.yetus.audience.InterfaceAudience; /** * hbck's local version of the CommonFSUtils from the hbase repo * A Utility class to facilitate hbck2's access to tables/namespace dir structures. */ @InterfaceAudience.Private public final class HBCKFsUtils { /** * Private constructor to keep this class from being instantiated. */ private HBCKFsUtils() { } /** * Returns the {@link org.apache.hadoop.fs.Path} object representing the table directory under * path rootdir * * COPIED from CommonFSUtils.getTableDir * * @param rootdir qualified path of HBase root directory * @param tableName name of table * @return {@link org.apache.hadoop.fs.Path} for table */ public static Path getTableDir(Path rootdir, final TableName tableName) { return new Path(getNamespaceDir(rootdir, tableName.getNamespaceAsString()), tableName.getQualifierAsString()); } /** * Returns the {@link org.apache.hadoop.fs.Path} object representing * the namespace directory under path rootdir * * COPIED from CommonFSUtils.getNamespaceDir * * @param rootdir qualified path of HBase root directory * @param namespace namespace name * @return {@link org.apache.hadoop.fs.Path} for table */ public static Path getNamespaceDir(Path rootdir, final String namespace) { return new Path(rootdir, new Path(HConstants.BASE_NAMESPACE_DIR, new Path(namespace))); } /** * * COPIED from CommonFSUtils.getRootDir * * @param c configuration * @return {@link Path} to hbase root directory from * configuration as a qualified Path. * @throws IOException e */ public static Path getRootDir(final Configuration c) throws IOException { Path p = new Path(c.get(HConstants.HBASE_DIR)); FileSystem fs = p.getFileSystem(c); return p.makeQualified(fs.getUri(), fs.getWorkingDirectory()); } }