Examples of org.apache.hadoop.util.DataChecksum.writeValue()

Class org.apache.hadoop.util.DataChecksum

Examples of org.apache.hadoop.util.DataChecksum.writeValue()

org.apache.hadoop.util.DataChecksum.writeValue()
Writes the current checksum to the stream. If reset is true, then resets the checksum. @return number of bytes written. Will be equal to getChecksumSize();

      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

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        int bytesRead = dataStream.read(buf, bytesSinceFlush,
                                        bytesPerChecksum-bytesSinceFlush);
        if (bytesRead == -1) {
          if (bytesSinceFlush > 0) {
            boolean reset = true;
            sum.writeValue(chk, 0, reset); // This also resets the sum.
            // Write the checksum to the stream.
            mdOut.write(chk, 0, chk.length);
            bytesSinceFlush = 0;
          }
          break;

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        bytesSinceFlush += bytesRead;
        
        // Flush the checksum if necessary.
        if (bytesSinceFlush == bytesPerChecksum) {
          boolean reset = true;
          sum.writeValue(chk, 0, reset); // This also resets the sum.
          // Write the checksum to the stream.
          mdOut.write(chk, 0, chk.length);
          bytesSinceFlush = 0;
        }
      }

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      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

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      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

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      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

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      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

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      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

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      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

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      blockRAF.close();
    }


    //compute checksum
    dcs.update(b, 0, lastchunksize);
    dcs.writeValue(b, 0, false);


    //update metaFile 
    RandomAccessFile metaRAF = new RandomAccessFile(metaFile, "rw");
    try {
      metaRAF.setLength(newmetalen);

View Full Code Here

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