| /* |
| * 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.hudi.keygen; |
| |
| import org.apache.hudi.DataSourceWriteOptions; |
| import org.apache.hudi.common.config.TypedProperties; |
| |
| import org.apache.avro.generic.GenericRecord; |
| |
| import java.util.Arrays; |
| import java.util.stream.Collectors; |
| import org.apache.spark.sql.Row; |
| |
| /** |
| * Complex key generator, which takes names of fields to be used for recordKey and partitionPath as configs. |
| */ |
| public class ComplexKeyGenerator extends BuiltinKeyGenerator { |
| |
| public static final String DEFAULT_RECORD_KEY_SEPARATOR = ":"; |
| |
| public ComplexKeyGenerator(TypedProperties props) { |
| super(props); |
| this.recordKeyFields = Arrays.stream(props.getString(DataSourceWriteOptions.RECORDKEY_FIELD_OPT_KEY()) |
| .split(",")).map(String::trim).filter(s -> !s.isEmpty()).collect(Collectors.toList()); |
| this.partitionPathFields = Arrays.stream(props.getString(DataSourceWriteOptions.PARTITIONPATH_FIELD_OPT_KEY()) |
| .split(",")).map(String::trim).filter(s -> !s.isEmpty()).collect(Collectors.toList()); |
| } |
| |
| @Override |
| public String getRecordKey(GenericRecord record) { |
| return KeyGenUtils.getRecordKey(record, getRecordKeyFields()); |
| } |
| |
| @Override |
| public String getPartitionPath(GenericRecord record) { |
| return KeyGenUtils.getRecordPartitionPath(record, getPartitionPathFields(), hiveStylePartitioning, encodePartitionPath); |
| } |
| |
| @Override |
| public String getRecordKey(Row row) { |
| buildFieldPositionMapIfNeeded(row.schema()); |
| return RowKeyGeneratorHelper.getRecordKeyFromRow(row, getRecordKeyFields(), recordKeyPositions, true); |
| } |
| |
| @Override |
| public String getPartitionPath(Row row) { |
| buildFieldPositionMapIfNeeded(row.schema()); |
| return RowKeyGeneratorHelper.getPartitionPathFromRow(row, getPartitionPathFields(), |
| hiveStylePartitioning, partitionPathPositions); |
| } |
| } |