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/*
 * 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 gobblin.source.extractor.extract.jdbc;

import java.io.IOException;

import lombok.extern.slf4j.Slf4j;
import gobblin.configuration.WorkUnitState;
import gobblin.source.extractor.Extractor;
import gobblin.source.extractor.extract.QueryBasedSource;
import gobblin.source.extractor.exception.ExtractPrepareException;
import gobblin.source.jdbc.TeradataExtractor;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;

/**
 * An implementation of Teradata source to get work units
 *
 * @author ypopov
 */
@Slf4j
public class TeradataSource extends QueryBasedSource {

  public Extractor getExtractor(WorkUnitState state)
      throws IOException {
    Extractor extractor = null;
    try {
      extractor = new TeradataExtractor(state).build();
    } catch (ExtractPrepareException e) {
      log.error("Failed to prepare extractor: error - {}", e.getMessage());
      throw new IOException(e);
    }
    return extractor;
  }
}