/**
* Converts stream buffers to disk ranges.
* @param streamBuffer - stream buffer
* @return - total length of disk ranges
*/
public static DiskRangeInfo createDiskRangeInfo(ColumnStreamData streamBuffer)
{
DiskRangeInfo diskRangeInfo = new DiskRangeInfo(streamBuffer.getIndexBaseOffset());
long offset = streamBuffer.getIndexBaseOffset(); // See ctor comment.
// TODO: we should get rid of this
foreach (MemoryBuffer memoryBuffer in streamBuffer.getCacheBuffers())
{
ByteBuffer buffer = memoryBuffer.getByteBufferDup();
diskRangeInfo.addDiskRange(new RecordReaderImpl.BufferChunk(buffer, offset));
offset += buffer.remaining();
}
return diskRangeInfo;
}
/**
* Create SettableUncompressedStream from stream buffer.
*
* @param streamName - stream name
* @param fileId - file id
* @param streamBuffer - stream buffer
* @return - SettableUncompressedStream
* @
*/
public static SettableUncompressedStream createSettableUncompressedStream(string streamName,
long?fileId, ColumnStreamData streamBuffer)
{
if (streamBuffer == null)
{
return(null);
}
DiskRangeInfo diskRangeInfo = createDiskRangeInfo(streamBuffer);
return(new SettableUncompressedStream(fileId, streamName, diskRangeInfo.getDiskRanges(),
diskRangeInfo.getTotalLength()));
}
/**
* Converts stream buffers to disk ranges.
* @param streamBuffer - stream buffer
* @return - total length of disk ranges
*/
public static DiskRangeInfo createDiskRangeInfo(ColumnStreamData streamBuffer)
{
DiskRangeInfo diskRangeInfo = new DiskRangeInfo(streamBuffer.getIndexBaseOffset());
long offset = streamBuffer.getIndexBaseOffset(); // See ctor comment.
// TODO: we should get rid of this
foreach (MemoryBuffer memoryBuffer in streamBuffer.getCacheBuffers())
{
ByteBuffer buffer = memoryBuffer.getByteBufferDup();
diskRangeInfo.addDiskRange(new RecordReaderImpl.BufferChunk(buffer, offset));
offset += buffer.remaining();
}
return(diskRangeInfo);
}
public void setBuffers(DiskRangeInfo diskRangeInfo)
{
reset(diskRangeInfo.getDiskRanges(), diskRangeInfo.getTotalLength());
setOffset(diskRangeInfo.getDiskRanges());
}
public void setBuffers(DiskRangeInfo diskRangeInfo)
{
reset(diskRangeInfo.getDiskRanges(), diskRangeInfo.getTotalLength());
setOffset(diskRangeInfo.getDiskRanges());
}