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Java FileContext.listStatus方法代码示例

本文整理汇总了Java中org.apache.hadoop.fs.FileContext.listStatus方法的典型用法代码示例。如果您正苦于以下问题:Java FileContext.listStatus方法的具体用法?Java FileContext.listStatus怎么用?Java FileContext.listStatus使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.apache.hadoop.fs.FileContext的用法示例。


在下文中一共展示了FileContext.listStatus方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: deleteLocalDir

import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
private void deleteLocalDir(FileContext lfs, DeletionService del,
    String localDir) throws IOException {
  RemoteIterator<FileStatus> fileStatus = lfs.listStatus(new Path(localDir));
  if (fileStatus != null) {
    while (fileStatus.hasNext()) {
      FileStatus status = fileStatus.next();
      try {
        if (status.getPath().getName().matches(".*" +
            ContainerLocalizer.USERCACHE + "_DEL_.*")) {
          LOG.info("usercache path : " + status.getPath().toString());
          cleanUpFilesPerUserDir(lfs, del, status.getPath());
        } else if (status.getPath().getName()
            .matches(".*" + NM_PRIVATE_DIR + "_DEL_.*")
            ||
            status.getPath().getName()
                .matches(".*" + ContainerLocalizer.FILECACHE + "_DEL_.*")) {
          del.delete(null, status.getPath(), new Path[] {});
        }
      } catch (IOException ex) {
        // Do nothing, just give the warning
        LOG.warn("Failed to delete this local Directory: " +
            status.getPath().getName());
      }
    }
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:27,代码来源:ResourceLocalizationService.java

示例2: cleanUpFilesPerUserDir

import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
private void cleanUpFilesPerUserDir(FileContext lfs, DeletionService del,
    Path userDirPath) throws IOException {
  RemoteIterator<FileStatus> userDirStatus = lfs.listStatus(userDirPath);
  FileDeletionTask dependentDeletionTask =
      del.createFileDeletionTask(null, userDirPath, new Path[] {});
  if (userDirStatus != null && userDirStatus.hasNext()) {
    List<FileDeletionTask> deletionTasks = new ArrayList<FileDeletionTask>();
    while (userDirStatus.hasNext()) {
      FileStatus status = userDirStatus.next();
      String owner = status.getOwner();
      FileDeletionTask deletionTask =
          del.createFileDeletionTask(owner, null,
            new Path[] { status.getPath() });
      deletionTask.addFileDeletionTaskDependency(dependentDeletionTask);
      deletionTasks.add(deletionTask);
    }
    for (FileDeletionTask task : deletionTasks) {
      del.scheduleFileDeletionTask(task);
    }
  } else {
    del.scheduleFileDeletionTask(dependentDeletionTask);
  }
}
 
开发者ID:naver,项目名称:hadoop,代码行数:24,代码来源:ResourceLocalizationService.java

示例3: scanDirectory

import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
@VisibleForTesting
protected static List<FileStatus> scanDirectory(Path path, FileContext fc,
    PathFilter pathFilter) throws IOException {
  path = fc.makeQualified(path);
  List<FileStatus> jhStatusList = new ArrayList<FileStatus>();
  try {
    RemoteIterator<FileStatus> fileStatusIter = fc.listStatus(path);
    while (fileStatusIter.hasNext()) {
      FileStatus fileStatus = fileStatusIter.next();
      Path filePath = fileStatus.getPath();
      if (fileStatus.isFile() && pathFilter.accept(filePath)) {
        jhStatusList.add(fileStatus);
      }
    }
  } catch (FileNotFoundException fe) {
    LOG.error("Error while scanning directory " + path, fe);
  }
  return jhStatusList;
}
 
开发者ID:naver,项目名称:hadoop,代码行数:20,代码来源:HistoryFileManager.java

示例4: testFileContextDoesntDnsResolveLogicalURI

import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
/**
 * Same test as above, but for FileContext.
 */
@Test
public void testFileContextDoesntDnsResolveLogicalURI() throws Exception {
  FileSystem fs = HATestUtil.configureFailoverFs(cluster, conf);
  NameService spyNS = spyOnNameService();
  String logicalHost = fs.getUri().getHost();
  Configuration haClientConf = fs.getConf();
  
  FileContext fc = FileContext.getFileContext(haClientConf);
  Path root = new Path("/");
  fc.listStatus(root);
  fc.listStatus(fc.makeQualified(root));
  fc.getDefaultFileSystem().getCanonicalServiceName();

  // Ensure that the logical hostname was never resolved.
  Mockito.verify(spyNS, Mockito.never()).lookupAllHostAddr(Mockito.eq(logicalHost));
}
 
开发者ID:naver,项目名称:hadoop,代码行数:20,代码来源:TestDFSClientFailover.java


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