Examples of java.io.DataOutput.writeLong()

java.io.DataOutput.writeLong()
Writes a long value, which is comprised of eight bytes, to the output stream. The byte values to be written, in the order shown, are:
```
 (byte)(0xff & (v >> 56)) (byte)(0xff & (v >> 48)) (byte)(0xff & (v >> 40)) (byte)(0xff & (v >> 32)) (byte)(0xff & (v >> 24)) (byte)(0xff & (v >> 16)) (byte)(0xff & (v >>  8)) (byte)(0xff & v) 
```
The bytes written by this method may be read by the readLong method of interface DataInput , which will then return a long equal to v. @param v the long value to be written. @throws IOException if an I/O error occurs.

    }
    baosDos.writeInt(compressionCodec.ordinal());


    if (majorVersion > 1) {
      baosDos.writeInt(numDataIndexLevels);
      baosDos.writeLong(firstDataBlockOffset);
      baosDos.writeLong(lastDataBlockOffset);
      Bytes.writeStringFixedSize(baosDos, comparatorClassName,
          MAX_COMPARATOR_NAME_LENGTH);
    }

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    baosDos.writeInt(compressionCodec.ordinal());


    if (majorVersion > 1) {
      baosDos.writeInt(numDataIndexLevels);
      baosDos.writeLong(firstDataBlockOffset);
      baosDos.writeLong(lastDataBlockOffset);
      Bytes.writeStringFixedSize(baosDos, comparatorClassName,
          MAX_COMPARATOR_NAME_LENGTH);
    }


    // serialize the major and minor versions

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            @Override
            public void finish(IPointable result) throws AlgebricksException {
                try {
                    abvs.reset();
                    dOut.write(ValueTag.XS_INTEGER_TAG);
                    dOut.writeLong(count);
                    result.set(abvs);
                } catch (Exception e) {
                    throw new AlgebricksException(e);
                }
            }

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                }


                try {
                    abvs.reset();
                    dOut.write(ValueTag.XS_INTEGER_TAG);
                    dOut.writeLong(count);
                    result.set(abvs);
                } catch (Exception e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

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            public void init() throws AlgebricksException {
                count = 0;
                try {
                    abvsSum.reset();
                    dOutSum.write(ValueTag.XS_INTEGER_TAG);
                    dOutSum.writeLong(0);
                    tvpSum.set(abvsSum);
                } catch (Exception e) {
                    throw new AlgebricksException(e);
                }
            }

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                // Return the string length of the UTF8 String.
                try {
                    abvs.reset();
                    dOut.write(ValueTag.XS_INTEGER_TAG);
                    dOut.writeLong(stringp.getStringLength());
                    result.set(abvs);
                } catch (Exception e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

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                } else {
                    // Set count as a TaggedValuePointable.
                    try {
                        abvsCount.reset();
                        dOutCount.write(ValueTag.XS_INTEGER_TAG);
                        dOutCount.writeLong(count);
                        tvpCount.set(abvsCount);


                        FunctionHelper.arithmeticOperation(aOpDivide, dCtx, tvpSum, tvpCount, tvpSum);
                        result.set(tvpSum);
                    } catch (Exception e) {

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                    sb.reset(abvs);
                    int c;
                    while ((c = charIterator.next()) != ICharacterIterator.EOS_CHAR) {
                        abvsInner.reset();
                        dOutInner.write(ValueTag.XS_INTEGER_TAG);
                        dOutInner.writeLong(c);
                        sb.addItem(abvsInner);
                    }


                    sb.finish();
                    result.set(abvs);

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            @Override
            public void init() throws AlgebricksException {
                try {
                    abvsSum.reset();
                    dOutSum.write(ValueTag.XS_INTEGER_TAG);
                    dOutSum.writeLong(0);
                    tvpSum.set(abvsSum);
                } catch (IOException e) {
                    throw new AlgebricksException(e.toString());
                }
            }

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                        } else {
                            // No argument return an integer.
                            try {
                                abvs.reset();
                                dOut.write(ValueTag.XS_INTEGER_TAG);
                                dOut.writeLong(0);
                                result.set(abvs);
                            } catch (Exception e) {
                                throw new SystemException(ErrorCode.SYSE0001, e);
                            }
                        }

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