| /** |
| * 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.hcatalog.hbase.snapshot; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| |
| public class RevisionManagerConfiguration { |
| |
| |
| |
| public static Configuration addResources(Configuration conf) { |
| conf.addDefaultResource("revision-manager-default.xml"); |
| conf.addResource("revision-manager-site.xml"); |
| return conf; |
| } |
| |
| /** |
| * Creates a Configuration with Revision Manager resources |
| * @return a Configuration with Revision Manager resources |
| */ |
| public static Configuration create() { |
| Configuration conf = new Configuration(); |
| return addResources(conf); |
| } |
| |
| /** |
| * Creates a clone of passed configuration. |
| * @param that Configuration to clone. |
| * @return a Configuration created with the revision-manager-*.xml files plus |
| * the given configuration. |
| */ |
| public static Configuration create(final Configuration that) { |
| Configuration conf = create(); |
| //we need to merge things instead of doing new Configuration(that) |
| //because of a bug in Configuration wherein the config |
| //set on the MR fronted will get loaded on the backend as resouce called job.xml |
| //hence adding resources on the backed could potentially overwrite properties |
| //set on the frontend which we shouldn't be doing here |
| HBaseConfiguration.merge(conf, that); |
| return conf; |
| } |
| } |