content: package com.alibaba.datax.plugin.reader.dorisreader;
  
  import com.alibaba.datax.common.plugin.RecordSender;
  import com.alibaba.datax.common.spi.Reader;
  import com.alibaba.datax.common.util.Configuration;
  import com.alibaba.datax.plugin.rdbms.reader.CommonRdbmsReader;
  import com.alibaba.datax.plugin.rdbms.reader.Constant;
  import com.alibaba.datax.plugin.rdbms.util.DataBaseType;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.List;
  
  public class DorisReader extends Reader {
  
      private static final DataBaseType DATABASE_TYPE = DataBaseType.Doris;
  
      public static class Job extends Reader.Job {
          private static final Logger LOG = LoggerFactory
                  .getLogger(Job.class);
  
          private Configuration originalConfig = null;
          private CommonRdbmsReader.Job commonRdbmsReaderJob;
  
          @Override
          public void init() {
              this.originalConfig = super.getPluginJobConf();
  
              Integer fetchSize = this.originalConfig.getInt(Constant.FETCH_SIZE,Integer.MIN_VALUE);
              this.originalConfig.set(Constant.FETCH_SIZE, fetchSize);
  
              this.commonRdbmsReaderJob = new CommonRdbmsReader.Job(DATABASE_TYPE);
              this.commonRdbmsReaderJob.init(this.originalConfig);
          }
  
          @Override
          public void preCheck(){
              init();
              this.commonRdbmsReaderJob.preCheck(this.originalConfig,DATABASE_TYPE);
  
          }
  
          @Override
          public List<Configuration> split(int adviceNumber) {
              return this.commonRdbmsReaderJob.split(this.originalConfig, adviceNumber);
  
          }
  
          @Override
          public void post() {
              this.commonRdbmsReaderJob.post(this.originalConfig);
          }
  
          @Override
          public void destroy() {
              this.commonRdbmsReaderJob.destroy(this.originalConfig);
          }
  
      }
  
      public static class Task extends Reader.Task {
  
          private Configuration readerSliceConfig;
          private CommonRdbmsReader.Task commonRdbmsReaderTask;
  
          @Override
          public void init() {
              this.readerSliceConfig = super.getPluginJobConf();
              this.commonRdbmsReaderTask = new CommonRdbmsReader.Task(DATABASE_TYPE,super.getTaskGroupId(), super.getTaskId());
              this.commonRdbmsReaderTask.init(this.readerSliceConfig);
  
          }
  
          @Override
          public void startRead(RecordSender recordSender) {
              int fetchSize = this.readerSliceConfig.getInt(Constant.FETCH_SIZE);
  
              this.commonRdbmsReaderTask.startRead(this.readerSliceConfig, recordSender,
                      super.getTaskPluginCollector(), fetchSize);
          }
  
          @Override
          public void post() {
              this.commonRdbmsReaderTask.post(this.readerSliceConfig);
          }
  
          @Override
          public void destroy() {
              this.commonRdbmsReaderTask.destroy(this.readerSliceConfig);
          }
  
      }
  
  }
  