streampark-flink/streampark-flink-connector/streampark-flink-connector-jdbc/src/main/java/org/apache/streampark/flink/connector/jdbc/sink/JdbcJavaSink.java

/*
 * 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.streampark.flink.connector.jdbc.sink;

import org.apache.streampark.common.util.ConfigUtils;
import org.apache.streampark.common.util.Utils;
import org.apache.streampark.flink.connector.function.TransformFunction;
import org.apache.streampark.flink.connector.jdbc.internal.JdbcSinkFunction;
import org.apache.streampark.flink.core.scala.StreamingContext;

import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.datastream.DataStreamSink;

import java.util.Properties;

public class JdbcJavaSink<T> {

  private final StreamingContext context;
  private Properties jdbc;
  private TransformFunction<T, String> sqlFunc;
  private String alias = "";

  public JdbcJavaSink(StreamingContext context) {
    this.context = context;
  }

  public JdbcJavaSink<T> alias(String alias) {
    this.alias = alias;
    return this;
  }

  public JdbcJavaSink<T> jdbc(Properties jdbc) {
    this.jdbc = jdbc;
    return this;
  }

  public JdbcJavaSink<T> sql(TransformFunction<T, String> func) {
    this.sqlFunc = func;
    return this;
  }

  public DataStreamSink<T> sink(DataStream<T> dataStream) {
    Utils.requireNotNull(sqlFunc, "TransformFunction can not be null");
    this.jdbc =
        this.jdbc == null ? ConfigUtils.getJdbcConf(context.parameter().toMap(), alias) : this.jdbc;
    JdbcSinkFunction<T> sinkFun = new JdbcSinkFunction<>(this.jdbc, this.sqlFunc);
    return dataStream.addSink(sinkFun);
  }
}