private void doRecovery(Stack<File> filesNeeded, byte[] header) throws IOException
{
Table table = Table.open(table_);
DataInputBuffer bufIn = new DataInputBuffer();
DataOutputBuffer bufOut = new DataOutputBuffer();
while ( !filesNeeded.isEmpty() )
{
File file = filesNeeded.pop();
// IFileReader reader = SequenceFile.bufferedReader(file.getAbsolutePath(), DatabaseDescriptor.getLogFileSizeThreshold());
IFileReader reader = SequenceFile.reader(file.getAbsolutePath());
try
{
Map<String, Row> rows = new HashMap<String, Row>();
reader.readDirect(header);
/* deserialize the commit log header */
bufIn.reset(header, 0, header.length);
CommitLogHeader clHeader = CommitLogHeader.serializer().deserialize(bufIn);
/* seek to the lowest position */
int lowPos = CommitLogHeader.getLowestPosition(clHeader);
/*
* If lowPos == 0 then we need to skip the processing of this
* file.
*/
if (lowPos == 0)
break;
else
reader.seek(lowPos);
/* read the logs populate RowMutation and apply */
while ( !reader.isEOF() )
{
bufOut.reset();
long bytesRead = reader.next(bufOut);
if ( bytesRead == -1 )
break;
bufIn.reset(bufOut.getData(), bufOut.getLength());
/* Skip over the commit log key portion */
bufIn.readUTF();
/* Skip over data size */
bufIn.readInt();