content: package com.alibaba.datax.plugin.reader.sqlserverreader;
  
  import com.alibaba.datax.common.exception.DataXException;
  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.util.DBUtilErrorCode;
  import com.alibaba.datax.plugin.rdbms.util.DataBaseType;
  
  import java.util.List;
  
  public class SqlServerReader extends Reader {
  
  	private static final DataBaseType DATABASE_TYPE = DataBaseType.SQLServer;
  
  	public static class Job extends Reader.Job {
  
  		private Configuration originalConfig = null;
  		private CommonRdbmsReader.Job commonRdbmsReaderJob;
  
  		@Override
  		public void init() {
  			this.originalConfig = super.getPluginJobConf();
  			int fetchSize = this.originalConfig.getInt(
  					com.alibaba.datax.plugin.rdbms.reader.Constant.FETCH_SIZE,
  					Constant.DEFAULT_FETCH_SIZE);
  			if (fetchSize < 1) {
  				throw DataXException
  						.asDataXException(DBUtilErrorCode.REQUIRED_VALUE,
  								String.format("您配置的fetchSize有误，根据DataX的设计，fetchSize : [%d] 设置值不能小于 1.",
  										fetchSize));
  			}
  			this.originalConfig.set(
  					com.alibaba.datax.plugin.rdbms.reader.Constant.FETCH_SIZE,
  					fetchSize);
  
  			this.commonRdbmsReaderJob = new CommonRdbmsReader.Job(
  					DATABASE_TYPE);
  			this.commonRdbmsReaderJob.init(this.originalConfig);
  		}
  
  		@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(com.alibaba.datax.plugin.rdbms.reader.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);
  		}
  
  	}
  
  }
  