| /* |
| * 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.flink.streaming.connectors.kafka; |
| |
| import org.apache.flink.annotation.Internal; |
| import org.apache.flink.api.common.serialization.DeserializationSchema; |
| import org.apache.flink.streaming.connectors.kafka.config.StartupMode; |
| import org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition; |
| import org.apache.flink.table.api.TableSchema; |
| import org.apache.flink.table.sources.RowtimeAttributeDescriptor; |
| import org.apache.flink.table.sources.StreamTableSource; |
| import org.apache.flink.types.Row; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Properties; |
| |
| /** |
| * Kafka {@link StreamTableSource} for Kafka 0.8. |
| */ |
| @Internal |
| public class Kafka08TableSource extends KafkaTableSource { |
| |
| /** |
| * Creates a Kafka 0.8 {@link StreamTableSource}. |
| * |
| * @param schema Schema of the produced table. |
| * @param proctimeAttribute Field name of the processing time attribute. |
| * @param rowtimeAttributeDescriptors Descriptor for a rowtime attribute |
| * @param fieldMapping Mapping for the fields of the table schema to |
| * fields of the physical returned type. |
| * @param topic Kafka topic to consume. |
| * @param properties Properties for the Kafka consumer. |
| * @param deserializationSchema Deserialization schema for decoding records from Kafka. |
| * @param startupMode Startup mode for the contained consumer. |
| * @param specificStartupOffsets Specific startup offsets; only relevant when startup |
| * mode is {@link StartupMode#SPECIFIC_OFFSETS}. |
| */ |
| public Kafka08TableSource( |
| TableSchema schema, |
| Optional<String> proctimeAttribute, |
| List<RowtimeAttributeDescriptor> rowtimeAttributeDescriptors, |
| Optional<Map<String, String>> fieldMapping, |
| String topic, |
| Properties properties, |
| DeserializationSchema<Row> deserializationSchema, |
| StartupMode startupMode, |
| Map<KafkaTopicPartition, Long> specificStartupOffsets) { |
| |
| super( |
| schema, |
| proctimeAttribute, |
| rowtimeAttributeDescriptors, |
| fieldMapping, |
| topic, |
| properties, |
| deserializationSchema, |
| startupMode, |
| specificStartupOffsets); |
| } |
| |
| /** |
| * Creates a Kafka 0.8 {@link StreamTableSource}. |
| * |
| * @param schema Schema of the produced table. |
| * @param topic Kafka topic to consume. |
| * @param properties Properties for the Kafka consumer. |
| * @param deserializationSchema Deserialization schema for decoding records from Kafka. |
| */ |
| public Kafka08TableSource( |
| TableSchema schema, |
| String topic, |
| Properties properties, |
| DeserializationSchema<Row> deserializationSchema) { |
| |
| super(schema, topic, properties, deserializationSchema); |
| } |
| |
| @Override |
| protected FlinkKafkaConsumerBase<Row> createKafkaConsumer(String topic, Properties properties, DeserializationSchema<Row> deserializationSchema) { |
| return new FlinkKafkaConsumer08<>(topic, deserializationSchema, properties); |
| } |
| } |