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

org.apache.hadoop.fs.FileSystem.rename()
Renames Path src to Path dst. Can take place on local fs or remote DFS.

      // FileSystem.rename is inconsistent with directories -- if the
      // dst (foo/a) exists and is a dir, and the src (foo/b) is a dir,
      // it moves the src into the dst dir resulting in (foo/a/b).  If
      // the dst does not exist, and the src a dir, src becomes dst. (foo/b)
      for (FileStatus hfile : fs.listStatus(src)) {
        boolean success = fs.rename(hfile.getPath(), dst);
        if (success) {
          fileMoves++;
        }
      }
      LOG.debug("[" + thread + "] Sideline directory contents:");

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      Path hbaseTableDir = FSUtils.getTableDir(
          FSUtils.getRootDir(conf), table);
      fs = hbaseTableDir.getFileSystem(conf);
      FileStatus status = FSTableDescriptors.getTableInfoPath(fs, hbaseTableDir);
      tableinfo = status.getPath();
      fs.rename(tableinfo, new Path("/.tableinfo"));


      //to report error if .tableinfo is missing.
      HBaseFsck hbck = doFsck(conf, false);
      assertErrors(hbck, new ERROR_CODE[] { ERROR_CODE.NO_TABLEINFO_FILE });

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      status = FSTableDescriptors.getTableInfoPath(fs, hbaseTableDir);
      assertNotNull(status);
      htd = admin.getTableDescriptor(table);
      assertEquals(htd.getValue("NOT_DEFAULT"), "true");
    } finally {
      fs.rename(new Path("/.tableinfo"), tableinfo);
      deleteTable(table);
    }
  }


  /**

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      writeFile(stm, remainingPiece);
      stm.sync();


      // rename file wile keeping it open.
      Path fileRenamed = new Path("/filestatusRenamed.dat");
      fs.rename(file1, fileRenamed);
      System.out.println("testFileCreationNamenodeRestart: "
                         + "Renamed file " + file1 + " to " +
                         fileRenamed);
      file1 = fileRenamed;

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      FSDataOutputStream stm4 = createFile(fs, file4, 1);
      System.out.println("testFileCreationNamenodeRestart: "
                         + "Created file " + file4);


      fs.mkdirs(new Path("/bin"));
      fs.rename(new Path("/user/home"), new Path("/bin"));
      Path file3new = new Path("/bin/home/fullpath.dat");
      System.out.println("testFileCreationNamenodeRestart: "
                         + "Renamed file " + file3 + " to " +
                         file3new);
      Path file4new = new Path("/bin/home/fullpath4.dat");

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    }


    JobClient.runJob(job);
    FileSystem fs = FileSystem.get(getConf());
    fs.mkdirs(output);
    fs.rename(job.getOutputPath(), new Path(output, LinkDb.CURRENT_NAME));
  }


  public static void main(String[] args) throws Exception
  {
    int res = new NutchwaxLinkDbMerger().

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          LOG.info(logFileName + " doesnt exist! Using " 
                   + tmpFilename + " as the master history file for user.");
          if (fs.exists(tmpFilePath)) {
            LOG.info("Renaming " + tmpFilename + " to " + logFileName 
                     + " in user directory");
            fs.rename(tmpFilePath, logFilePath);
          }
        }
      }
      
      return ret;

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      if (masterLogPath != null) {
        FileSystem fs = masterLogPath.getFileSystem(conf);
        if (fs.exists(tmpLogPath)) {
          LOG.info("Renaming " + tmpLogFileName + " to " + masterLogFileName
                   + " in user directory");
          fs.rename(tmpLogPath, masterLogPath);
        }
      }
    }


    /**

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    FileSystem fs = new JobClient(job).getFs();
    Path old = new Path(linkDb, "old");
    Path current = new Path(linkDb, CURRENT_NAME);
    if (fs.exists(current)) {
      if (fs.exists(old)) fs.delete(old);
      fs.rename(current, old);
    }
    fs.mkdirs(linkDb);
    fs.rename(newLinkDb, current);
    if (fs.exists(old)) fs.delete(old);
    LockUtil.removeLockFile(fs, new Path(linkDb, LOCK_NAME));

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    if (fs.exists(current)) {
      if (fs.exists(old)) fs.delete(old);
      fs.rename(current, old);
    }
    fs.mkdirs(linkDb);
    fs.rename(newLinkDb, current);
    if (fs.exists(old)) fs.delete(old);
    LockUtil.removeLockFile(fs, new Path(linkDb, LOCK_NAME));
  }


  public static void main(String[] args) throws Exception {

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