| /* |
| * 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.carbondata.hadoop.util; |
| |
| import java.io.IOException; |
| import java.text.SimpleDateFormat; |
| import java.util.Locale; |
| |
| import org.apache.carbondata.core.index.IndexUtil; |
| import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier; |
| import org.apache.carbondata.hadoop.api.CarbonTableInputFormat; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapreduce.Job; |
| import org.apache.hadoop.mapreduce.JobID; |
| import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; |
| |
| /** |
| * Utility class |
| */ |
| public class CarbonInputFormatUtil { |
| public static <V> CarbonTableInputFormat<V> createCarbonInputFormat( |
| AbsoluteTableIdentifier identifier, |
| Job job) throws IOException { |
| CarbonTableInputFormat<V> carbonInputFormat = new CarbonTableInputFormat<>(); |
| CarbonTableInputFormat.setDatabaseName( |
| job.getConfiguration(), identifier.getCarbonTableIdentifier().getDatabaseName()); |
| CarbonTableInputFormat.setTableName( |
| job.getConfiguration(), identifier.getCarbonTableIdentifier().getTableName()); |
| FileInputFormat.addInputPath(job, new Path(identifier.getTablePath())); |
| setIndexJobIfConfigured(job.getConfiguration()); |
| return carbonInputFormat; |
| } |
| |
| /** |
| * This method set IndexJob if configured |
| */ |
| public static void setIndexJobIfConfigured(Configuration conf) throws IOException { |
| String className = "org.apache.carbondata.indexserver.EmbeddedIndexJob"; |
| IndexUtil.setIndexJob(conf, IndexUtil.createIndexJob(className)); |
| } |
| |
| public static String createJobTrackerID(java.util.Date date) { |
| return new SimpleDateFormat("yyyyMMddHHmmss", Locale.US).format(date); |
| } |
| |
| public static JobID getJobId(java.util.Date date, int batch) { |
| String jobTrackerID = createJobTrackerID(date); |
| return new JobID(jobTrackerID, batch); |
| } |
| } |