| /* |
| * 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.asterix.external.parser.factory; |
| |
| import java.util.Map; |
| |
| import org.apache.asterix.external.api.IExternalDataSourceFactory.DataSourceType; |
| import org.apache.asterix.external.api.IRecordDataParser; |
| import org.apache.asterix.external.api.IRecordDataParserFactory; |
| import org.apache.asterix.external.parser.HiveRecordParser; |
| import org.apache.asterix.external.util.ExternalDataConstants; |
| import org.apache.asterix.external.util.HDFSUtils; |
| import org.apache.asterix.om.types.ARecordType; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hyracks.api.context.IHyracksTaskContext; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| |
| public class HiveDataParserFactory implements IRecordDataParserFactory<Writable> { |
| |
| private static final long serialVersionUID = 1L; |
| private Map<String, String> configuration; |
| private ARecordType recordType; |
| private String hiveSerdeClassName; |
| |
| @Override |
| public DataSourceType getDataSourceType() { |
| return DataSourceType.RECORDS; |
| } |
| |
| @Override |
| public void configure(Map<String, String> configuration) { |
| this.configuration = configuration; |
| hiveSerdeClassName = configuration.get(ExternalDataConstants.KEY_HIVE_SERDE); |
| if (hiveSerdeClassName == null) { |
| throw new IllegalArgumentException("no hive serde provided for hive deserialized records"); |
| } |
| } |
| |
| @Override |
| public void setRecordType(ARecordType recordType) { |
| this.recordType = recordType; |
| } |
| |
| @Override |
| public IRecordDataParser<Writable> createRecordParser(IHyracksTaskContext ctx) throws HyracksDataException { |
| return new HiveRecordParser(recordType, HDFSUtils.configureHDFSJobConf(configuration), hiveSerdeClassName); |
| } |
| |
| @Override |
| public Class<? extends Writable> getRecordClass() { |
| return Writable.class; |
| } |
| |
| @Override |
| public void setMetaType(ARecordType metaType) { |
| } |
| |
| } |