Package com.sap.hadoop.ds.streams.Streams

Examples of com.sap.hadoop.ds.streams.Streams.ByteArrayOS

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  }
 
  private void write(Writable w) throws BaseException, IOException
  {
    DataOStream dos = Streams.dos.get();
    ByteArrayOS bos = dos.getUnderlyingStream();
    bos.reset();
    w.write(dos);
    ensureCapacity(bos.len());
    int i = currentSize * 2;
    System.arraycopy(bos.bytearray(), 0, bytes, bytesUsed, bos.len());
    offsetsArray[i] = bytesUsed;
    offsetsArray[i+1] = bos.len();
    currentSize += 1;
    bytesUsed += bos.len();
    lastModified = System.nanoTime();
  }
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  }
 
  private int writeKey(Writable w) throws BaseException, IOException
  {
    DataOStream dos = Streams.dos.get();
    ByteArrayOS bos = dos.getUnderlyingStream();
    bos.reset();
    w.write(dos);
    ensureCapacity(bos.len(), true);
    int i = currentSize * 2;
    System.arraycopy(bos.bytearray(), 0, bytes, bytesUsed, bos.len());
    keyOffsetsArray[i] = bytesUsed;
    keyOffsetsArray[i+1] = bos.len();
   
    int[] posRet = position(new EntryPosition(currentSize));
    int pos = posRet[1];
    if ( posRet[0] == 0 )
    {
      rearrange(keyOffsetsArray, pos);
      rearrange(valueOffsetsArray, pos);
      currentSize += 1;
      bytesUsed += bos.len();
      lastModified = System.nanoTime();
    }
    return pos;
  }
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      valueOffsetsArray[i] = 0;
      valueOffsetsArray[i+1] = 0;
      return;
    }
    DataOStream dos = Streams.dos.get();
    ByteArrayOS bos = dos.getUnderlyingStream();
    bos.reset();
    w.write(dos);
    ensureCapacity(bos.len(), false);
    System.arraycopy(bos.bytearray(), 0, bytes, bytesUsed, bos.len());
    valueOffsetsArray[i] = bytesUsed;
    valueOffsetsArray[i+1] = bos.len();
    bytesUsed += bos.len();
  }
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  {
    LockUtils.lock(lock.readLock());
    try
    {
      DataOStream dos = Streams.dos.get();
      ByteArrayOS bos = dos.getUnderlyingStream();
      bos.reset();
      w.write(dos);
      TempEntryPosition te = new TempEntryPosition(bos.bytearray(), bos.len());
      int posRet[] = position(te);
      int pos = posRet[1];
      return (posRet[0] == 1) ? startOffset + pos : -1;
    }
    catch(IOException ie)
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    LockUtils.lock(lock.writeLock());
   
    try
    {
      DataOStream dos = Streams.dos.get();
      ByteArrayOS bos = dos.getUnderlyingStream();
      bos.reset();
      key.write(dos);
      int p = splitList.getPartition(bos.bytearray(), 0, bos.len());
      ByteBasedSortedMap mp = bringInMemory(p);
     
      try
      {
        int prevSz = mp.size();
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    fixStartPositions();
    LockUtils.lock(lock.readLock());
    try
    {
      DataOStream dos = Streams.dos.get();
      ByteArrayOS bos = dos.getUnderlyingStream();
      bos.reset();
      w.write(dos);
      int p = splitList.getPartition(bos.bytearray(), 0, bos.len());
      ByteBasedSortedMap mp = partitions.get(p);
      return mp.getIndex(w);
    }
    catch(IOException ie)
    {
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  {
    LockUtils.lock(lock.readLock());
    try
    {
      DataOStream dos = Streams.dos.get();
      ByteArrayOS bos = dos.getUnderlyingStream();
      bos.reset();
      key.write(dos);
      int p = splitList.getPartition(bos.bytearray(), 0, bos.len());
      ByteBasedSortedMap mp = partitions.get(p);
      return mp.getValue(key, value);
    }
    catch(IOException ie)
    {
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Related Classes of com.sap.hadoop.ds.streams.Streams.ByteArrayOS

  • com.sap.hadoop.ds.list.ByteBasedList
  • com.sap.hadoop.ds.sortedmap.ByteBasedSortedMap
  • com.sap.hadoop.ds.sortedmap.PartitionedByteBasedSortedMap
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