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From pnowojski <...@git.apache.org>
Subject [GitHub] flink pull request #6387: [FLINK-9846] [table] Add a Kafka table sink factor...
Date Mon, 23 Jul 2018 10:45:04 GMT
Github user pnowojski commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6387#discussion_r204342252
  
    --- Diff: flink-connectors/flink-connector-kafka-0.10/src/main/java/org/apache/flink/streaming/connectors/kafka/Kafka010TableSink.java
---
    @@ -0,0 +1,73 @@
    +/*
    + * 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.SerializationSchema;
    +import org.apache.flink.streaming.connectors.kafka.partitioner.FlinkKafkaPartitioner;
    +import org.apache.flink.table.api.TableSchema;
    +import org.apache.flink.types.Row;
    +
    +import java.util.Properties;
    +
    +/**
    + * Kafka 0.10 table sink for writing data into Kafka.
    + */
    +@Internal
    +public class Kafka010TableSink extends KafkaTableSink {
    +
    +	/**
    +	 * Creates a Kafka 0.10 table sink.
    +	 *
    +	 * @param schema              The schema of the table.
    +	 * @param topic               Kafka topic to write to.
    +	 * @param properties          Properties for the Kafka producer.
    +	 * @param partitioner         Partitioner to select Kafka partition for each item.
    +	 * @param serializationSchema Serialization schema for encoding records to Kafka.
    +	 */
    +	public Kafka010TableSink(
    +			TableSchema schema,
    +			String topic,
    +			Properties properties,
    +			FlinkKafkaPartitioner<Row> partitioner,
    +			SerializationSchema<Row> serializationSchema) {
    +		super(
    +			schema,
    +			topic,
    +			properties,
    +			partitioner,
    +			serializationSchema);
    +	}
    +
    +	@Override
    +	protected FlinkKafkaProducerBase<Row> createKafkaProducer(
    +			String topic,
    +			Properties properties,
    +			SerializationSchema<Row> serializationSchema,
    +			FlinkKafkaPartitioner<Row> partitioner) {
    +		final FlinkKafkaProducerBase<Row> kafkaProducer = new FlinkKafkaProducer010<>(
    +			topic,
    +			serializationSchema,
    +			properties,
    +			partitioner);
    +		// always enable flush on checkpoint to achieve at-least-once if query runs with checkpointing
enabled.
    --- End diff --
    
    ditto


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