| /* |
| * 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.phoenix.hive.mapreduce; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hive.ql.io.AcidOutputFormat; |
| import org.apache.hadoop.hive.ql.io.RecordUpdater; |
| import org.apache.hadoop.io.NullWritable; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.OutputFormat; |
| import org.apache.hadoop.mapred.RecordWriter; |
| import org.apache.hadoop.mapreduce.lib.db.DBWritable; |
| import org.apache.hadoop.util.Progressable; |
| import org.apache.phoenix.hive.util.PhoenixStorageHandlerUtil; |
| |
| import java.io.IOException; |
| import java.sql.SQLException; |
| import java.util.Properties; |
| |
| /** |
| * Custom OutputFormat to feed into Hive. Describes the output-specification for a Map-Reduce job. |
| */ |
| public class PhoenixOutputFormat<T extends DBWritable> implements OutputFormat<NullWritable, T>, |
| AcidOutputFormat<NullWritable, T> { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(PhoenixOutputFormat.class); |
| |
| public PhoenixOutputFormat() { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("PhoenixOutputFormat created"); |
| } |
| } |
| |
| @Override |
| public RecordWriter<NullWritable, T> getRecordWriter(FileSystem ignored, JobConf jobConf, |
| String name, Progressable progress) |
| throws IOException { |
| return createRecordWriter(jobConf, new Properties()); |
| } |
| |
| @Override |
| public void checkOutputSpecs(FileSystem ignored, JobConf job) throws IOException { |
| |
| } |
| |
| @Override |
| public org.apache.hadoop.hive.ql.exec.FileSinkOperator.RecordWriter getHiveRecordWriter |
| (JobConf jobConf, Path finalOutPath, Class<? extends Writable> valueClass, boolean |
| isCompressed, Properties tableProperties, Progressable progress) throws |
| IOException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Get RecordWriter for finalOutPath : " + finalOutPath + ", valueClass" + |
| " : " + |
| valueClass |
| .getName() + ", isCompressed : " + isCompressed + ", tableProperties " + |
| ": " + tableProperties + ", progress : " + progress); |
| } |
| |
| return createRecordWriter(jobConf, new Properties()); |
| } |
| |
| @Override |
| public RecordUpdater getRecordUpdater(Path path, org.apache.hadoop.hive.ql.io |
| .AcidOutputFormat.Options options) throws IOException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Get RecordWriter for path : " + path + ", options : " + |
| PhoenixStorageHandlerUtil |
| .getOptionsValue(options)); |
| } |
| return new PhoenixRecordWriter<T>(path, options); |
| } |
| |
| @Override |
| public org.apache.hadoop.hive.ql.exec.FileSinkOperator.RecordWriter getRawRecordWriter(Path path, |
| org.apache.hadoop.hive.ql.io.AcidOutputFormat.Options options) throws IOException { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Get RawRecordWriter for path : " + path + ", options : " + |
| PhoenixStorageHandlerUtil.getOptionsValue(options)); |
| } |
| |
| return new PhoenixRecordWriter<T>(path, options); |
| } |
| |
| private PhoenixRecordWriter<T> createRecordWriter(Configuration config, Properties properties) { |
| try { |
| return new PhoenixRecordWriter<T>(config, properties); |
| } catch (SQLException e) { |
| LOG.error("Error during PhoenixRecordWriter instantiation :" + e.getMessage()); |
| throw new RuntimeException(e); |
| } |
| } |
| } |