Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.FsShell.run()

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        shell.setConf(conf);
        String argv[] = new String[2];

        argv[0] = "-rm";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(!fs.exists(path));

        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
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        assertTrue(shell.run(argv) == 0);
        assertTrue(!fs.exists(path));

        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(fs.exists(path));
      }

      // test undelete of file that was deleted programatically
      {
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        FsShell shell = new FsShell();
        shell.setConf(conf);
        String argv[] = new String[2];
        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(fs.exists(path));
      }

      // test undelete of directory that was deleted via shell
      {
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        shell.setConf(conf);
        String argv[] = new String[2];

        argv[0] = "-rmr";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(!fs.exists(path));

        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
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        assertTrue(shell.run(argv) == 0);
        assertTrue(!fs.exists(path));

        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(fs.exists(path));
      }

      // test undelete of directory that was deleted programatically
      {
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        FsShell shell = new FsShell();
        shell.setConf(conf);
        String argv[] = new String[2];
        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(fs.exists(path));
      }

      // test undelete of most recently deleted version
      {
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        FsShell shell = new FsShell();
        shell.setConf(conf);
        String argv[] = new String[2];
        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(fs.exists(path));

        String verify = readFileContents(fs, path);
        System.err.println("verify=" + verify);
        assertTrue(verify.equals("right version"));
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        String argv[] = new String[4];
        argv[0] = "-undelete";
        argv[1] = "-u";
        argv[2] = "joe";
        argv[3] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(fs.exists(path));
      }

      // test undelete of most recently deleted version across
      // checkpoint intervals
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        FsShell shell = new FsShell();
        shell.setConf(conf);
        String argv[] = new String[2];
        argv[0] = "-undelete";
        argv[1] = path.toString();
        assertTrue(shell.run(argv) == 0);
        assertTrue(fs.exists(path));

        String verify = readFileContents(fs, path);
        System.err.println("verify=" + verify);
        assertTrue(verify.equals("right version"));
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      // Verify copying non existing sources do not create zero byte
      // destination files
      {
        String[] args = {"-copyToLocal", "nosuchfile", TEST_ROOT_DIR};
        try {
          assertEquals(-1, shell.run(args));
        } catch (Exception e) {
          System.err.println("Exception raised from DFSShell.run " +
                            e.getLocalizedMessage());
        }
        File f6 = new File(TEST_ROOT_DIR, "nosuchfile");
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