public void readFields(DataInput @in)
{
//deserialize path, offset, length using FileSplit
base.readFields(@in);
byte flags = @in.readByte();
hasFooter = (FOOTER_FLAG & flags) != 0;
isOriginal = (ORIGINAL_FLAG & flags) != 0;
hasBase = (BASE_FLAG & flags) != 0;
bool hasFileId = (HAS_FILEID_FLAG & flags) != 0;
deltas.Clear();
int numDeltas = @in.readInt();
for (int i = 0; i < numDeltas; i++)
{
AcidInputFormat.DeltaMetaData dmd = new AcidInputFormat.DeltaMetaData();
dmd.readFields(@in);
deltas.Add(dmd);
}
if (hasFooter)
{
// deserialize FileMetaInfo fields
string compressionType = Text.readString(@in);
int bufferSize = WritableUtils.readVInt(@in);
int metadataSize = WritableUtils.readVInt(@in);
// deserialize FileMetaInfo field footer
int footerBuffSize = WritableUtils.readVInt(@in);
ByteBuffer footerBuff = ByteBuffer.allocate(footerBuffSize);
@in.readFully(footerBuff.array(), 0, footerBuffSize);
OrcFile.WriterVersion writerVersion =
ReaderImpl.getWriterVersion(WritableUtils.readVInt(@in));
fileMetaInfo = new FileMetaInfo(compressionType, bufferSize,
metadataSize, footerBuff, writerVersion);
}
if (hasFileId)
{
fileId = @in.readLong();
}
}
public void readFields(DataInput @in)
{
//deserialize path, offset, length using FileSplit
base.readFields(@in);
byte flags = @in.readByte();
_hasFooter = (OrcSplit.FOOTER_FLAG & flags) != 0;
_isOriginal = (OrcSplit.ORIGINAL_FLAG & flags) != 0;
_hasBase = (OrcSplit.BASE_FLAG & flags) != 0;
deltas.Clear();
int numDeltas = @in.readInt();
for (int i = 0; i < numDeltas; i++)
{
AcidInputFormat.DeltaMetaData dmd = new AcidInputFormat.DeltaMetaData();
dmd.readFields(@in);
deltas.Add(dmd);
}
if (_hasFooter)
{
// deserialize FileMetaInfo fields
string compressionType = Text.readString(@in);
int bufferSize = WritableUtils.readVInt(@in);
int metadataSize = WritableUtils.readVInt(@in);
// deserialize FileMetaInfo field footer
int footerBuffSize = WritableUtils.readVInt(@in);
ByteBuffer footerBuff = ByteBuffer.allocate(footerBuffSize);
@in.readFully(footerBuff.array(), 0, footerBuffSize);
OrcFile.WriterVersion writerVersion =
ReaderImpl.getWriterVersion(WritableUtils.readVInt(@in));
fileMetaInfo = new FileMetaInfo(compressionType, bufferSize,
metadataSize, footerBuff, writerVersion);
}
}
