content: package com.alipay.rdf.file.sortedreader;
  
  import com.alipay.rdf.file.common.ProtocolFilesSortedReader;
  import com.alipay.rdf.file.interfaces.FileCoreToolContants;
  import com.alipay.rdf.file.interfaces.FileFactory;
  import com.alipay.rdf.file.interfaces.FileSorter;
  import com.alipay.rdf.file.model.FileConfig;
  import com.alipay.rdf.file.model.SortConfig;
  import com.alipay.rdf.file.model.SortConfig.ResultFileTypeEnum;
  import com.alipay.rdf.file.model.SortConfig.SortTypeEnum;
  import com.alipay.rdf.file.model.StorageConfig;
  import com.alipay.rdf.file.util.TemporaryFolderUtil;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.io.File;
  import java.math.BigDecimal;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.concurrent.LinkedBlockingQueue;
  import java.util.concurrent.ThreadPoolExecutor;
  import java.util.concurrent.TimeUnit;
  
  /**
   * 
   * 
   * @author hongwei.quhw
   * @version $Id: SingleFileSortedReadTest.java, v 0.1 2018年3月5日 下午5:54:45 hongwei.quhw Exp $
   */
  public class SingleFileSortedReadTest {
      private TemporaryFolderUtil       temporaryFolder = new TemporaryFolderUtil();
  
      private static ThreadPoolExecutor executor        = new ThreadPoolExecutor(2, 2, 60,
          TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(5));
  
      @Before
      public void setUp() throws Exception {
          temporaryFolder.create();
      }
  
      @Test
      public void testSortedRead() {
          String sortTempPath = temporaryFolder.getRoot().getAbsolutePath();
          FileConfig fileConfig = new FileConfig(
              File.class.getResource("/sortedreader/de/data/de2.txt").getPath(),
              "/sortedreader/de/de.json", new StorageConfig("nas"));
          // 多文件排序类型设置
          fileConfig.setType(FileCoreToolContants.PROTOCOL_MULTI_FILE_SORTER);
  
          ProtocolFilesSortedReader reader = (ProtocolFilesSortedReader) FileFactory
              .createReader(fileConfig);
  
          FileSorter fileSorter = (FileSorter) reader;
  
          // 分片不合并
          SortConfig sortConfig = new SortConfig(sortTempPath, SortTypeEnum.ASC, executor,
              ResultFileTypeEnum.SLICE_FILE_PATH);
          sortConfig.setSliceSize(256);
          sortConfig.setSortIndexes(new int[] { 0, 1 });
  
          // 1. 先排序
          fileSorter.sort(sortConfig);
  
          // 读取数据
          Map<String, Object> head = reader.readHead(HashMap.class);
          System.out.println(head);
          Assert.assertEquals(new BigDecimal("300.03"), head.get("totalAmount"));
  
          String[] sortedSeq = new String[] { "seq_12", "seq_17", "seq_23", "seq_33", "seq_55",
                                              "seq_56", "seq_7", "seq_77", "seq_80" };
  
          Map<String, Object> row = null;
          int i = 0;
          while (null != (row = reader.readRow(HashMap.class))) {
              Assert.assertEquals(sortedSeq[i++], row.get("seq"));
          }
      }
  
      @After
      public void after() {
          temporaryFolder.delete();
      }
  }
  