Examples of org.apache.hadoop.fs.FileSystem.deleteOnExit()

org.apache.hadoop.fs.FileSystem.deleteOnExit()
Mark a path to be deleted when FileSystem is closed. When the JVM shuts down, all FileSystem objects will be closed automatically. Then, the marked path will be deleted as a result of closing the FileSystem. The path has to exist in the file system. @param f the path to delete. @return true if deleteOnExit is successful, otherwise false. @throws IOException

    //HBaseTestingUtility.getDataTestDirOnTestFs() has not been backported.
    FileSystem fs = FileSystem.get(getConf());
    Path base = new Path(fs.getWorkingDirectory(), "test-data");
    String randomStr = UUID.randomUUID().toString();
    Path testDir = new Path(base, randomStr);
    fs.deleteOnExit(testDir);


    return new Path(new Path(testDir, testName), subdir);
  }


  @Test

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    //HBaseTestingUtility.getDataTestDirOnTestFs() has not been backported.
    FileSystem fs = FileSystem.get(getConf());
    Path base = new Path(fs.getWorkingDirectory(), "test-data");
    String randomStr = UUID.randomUUID().toString();
    Path testDir = new Path(base, randomStr);
    fs.deleteOnExit(testDir);


    return new Path(new Path(testDir, testName), subdir);
  }


  private IntegrationTestingUtility getTestingUtil() {

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      dataTestDirOnTestFS = new Path(dataTestDir.getAbsolutePath());
    } else {
      Path base = getBaseTestDirOnTestFS();
      String randomStr = UUID.randomUUID().toString();
      dataTestDirOnTestFS = new Path(base, randomStr);
      if (deleteOnExit()) fs.deleteOnExit(dataTestDirOnTestFS);
    }
  }


  /**
   * Cleans the test data directory on the test filesystem.

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    //HBaseTestingUtility.getDataTestDirOnTestFs() has not been backported.
    FileSystem fs = FileSystem.get(getConf());
    Path base = new Path(fs.getWorkingDirectory(), "test-data");
    String randomStr = UUID.randomUUID().toString();
    Path testDir = new Path(base, randomStr);
    fs.deleteOnExit(testDir);


    return new Path(new Path(testDir, testName), subdir);
  }


  @Test

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      db.setName(TEST_DB1_NAME);
      dbLocation =
          HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "/_testDB_file_";
      FileSystem fs = FileSystem.get(new Path(dbLocation).toUri(), hiveConf);
      fs.createNewFile(new Path(dbLocation));
      fs.deleteOnExit(new Path(dbLocation));
      db.setLocationUri(dbLocation);


      boolean createFailed = false;
      try {
        client.createDatabase(db);

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          } else {
            FsPermission fsPermission = new FsPermission(Short.parseShort(scratchDirPermission.trim(), 8));
            fs.setPermission(dirPath, fsPermission);
          }
          if (isHDFSCleanup) {
            fs.deleteOnExit(dirPath);
          }
        } catch (IOException e) {
          throw new RuntimeException (e);
        }
      }

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    //HBaseTestingUtility.getDataTestDirOnTestFs() has not been backported.
    FileSystem fs = FileSystem.get(getConf());
    Path base = new Path(fs.getWorkingDirectory(), "test-data");
    String randomStr = UUID.randomUUID().toString();
    Path testDir = new Path(base, randomStr);
    fs.deleteOnExit(testDir);


    return new Path(new Path(testDir, testName), subdir);
  }


  @Test

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    //HBaseTestingUtility.getDataTestDirOnTestFs() has not been backported.
    FileSystem fs = FileSystem.get(getConf());
    Path base = new Path(fs.getWorkingDirectory(), "test-data");
    String randomStr = UUID.randomUUID().toString();
    Path testDir = new Path(base, randomStr);
    fs.deleteOnExit(testDir);


    return new Path(new Path(testDir, testName), subdir);
  }


  private IntegrationTestingUtility getTestingUtil() {

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              pathSrc.getName());


          // LOG.info("WorkingDirectory: " + hdfs.getWorkingDirectory());
          LOG.debug("copyToHDFSFile: " + pathDst);
          hdfs.copyFromLocalFile(pathSrc, pathDst);
          hdfs.deleteOnExit(pathDst);


          finalPath = pathDst.makeQualified(hdfs).toString();
          finalArr[i] = finalPath;
        }
      } catch (IOException e) {

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  private ImportTestFilesAndData prepareTestFiles() throws Throwable {
    Configuration defaultConf = new Configuration();
    Path tempFile = new Path("target/accumulo-test/import/sample.rf");
    Path failures = new Path("target/accumulo-test/failures/");
    FileSystem fs = FileSystem.get(new URI("file:///"), defaultConf);
    fs.deleteOnExit(tempFile);
    fs.deleteOnExit(failures);
    fs.delete(failures, true);
    fs.delete(tempFile, true);
    fs.mkdirs(failures);
    fs.mkdirs(tempFile.getParent());

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