Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.FSDataOutputStream.writeLong()

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        {
          //create a file
          final FSDataOutputStream out = dfs.create(filepaths[0]);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //write something
          out.writeLong(millis);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //close
          out.close();
          Thread.sleep(grace/4*3);
          //within grace period
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          //close file1
          out1.close();
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());

          //write something to file2
          out2.writeLong(millis);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //close file2
          out2.close();
          Thread.sleep(grace/4*3);
          //within grace period
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          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          Thread.sleep(grace/4*3);
          //passed previous grace period, should still running
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //write something to file3
          out3.writeLong(millis);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //close file3
          out3.close();
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          Thread.sleep(grace/4*3);
 
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  void writeInfo(FileSystem fs, long infonum) throws IOException {
    Path p = getInfoFilePath();
    FSDataOutputStream out = fs.create(p);
    try {
      out.writeByte(INFO_SEQ_NUM);
      out.writeLong(infonum);
    } finally {
      out.close();
    }
  }
 
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  void writeInfo(FileSystem fs, long infonum) throws IOException {
    Path p = getInfoFilePath();
    FSDataOutputStream out = fs.create(p);
    try {
      out.writeByte(INFO_SEQ_NUM);
      out.writeLong(infonum);
    } finally {
      out.close();
    }
  }
 
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        {
          //create a file
          final FSDataOutputStream out = dfs.create(filepaths[0]);
          assertTrue(dfs.dfs.leaserenewer.isRunning());
          //write something
          out.writeLong(millis);
          assertTrue(dfs.dfs.leaserenewer.isRunning());
          //close
          out.close();
          Thread.sleep(grace/4*3);
          //within grace period
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        {
          //create a file
          final FSDataOutputStream out = dfs.create(filepaths[0]);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //write something
          out.writeLong(millis);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //close
          out.close();
          Thread.sleep(grace/4*3);
          //within grace period
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          //close file1
          out1.close();
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());

          //write something to file2
          out2.writeLong(millis);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //close file2
          out2.close();
          Thread.sleep(grace/4*3);
          //within grace period
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          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          Thread.sleep(grace/4*3);
          //passed previous grace period, should still running
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //write something to file3
          out3.writeLong(millis);
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          //close file3
          out3.close();
          assertTrue(dfs.dfs.getLeaseRenewer().isRunning());
          Thread.sleep(grace/4*3);
 
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        //create a file
        FSDataOutputStream out = dfs.create(filepath);
        assertTrue(dfs.dfs.isLeaseCheckerStarted());
 
        //write something and close
        out.writeLong(millis);
        assertTrue(dfs.dfs.isLeaseCheckerStarted());
        out.close();
        assertTrue(dfs.dfs.isLeaseCheckerStarted());
        dfs.close();
      }
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