org.apache.hadoop.hbase.regionserver

Interface ChangedReadersObserver

All Known Implementing Classes:

MobStoreScanner, ReversedMobStoreScanner, ReversedStoreScanner, StoreScanner

@InterfaceAudience.Private
public interface ChangedReadersObserver

If set of MapFile.Readers in Store change, implementors are notified.

Method Summary

Modifier and Type	Method and Description
long	getReadPoint() Returns the read point of the current scan
void	updateReaders(List<HStoreFile> sfs, List<KeyValueScanner> memStoreScanners) Notify observers.

Method Detail

getReadPoint

long getReadPoint()

Returns the read point of the current scan

updateReaders

void updateReaders(List<HStoreFile> sfs,
                   List<KeyValueScanner> memStoreScanners)
            throws IOException

Notify observers.

Parameters:

sfs - The new files

memStoreScanners - scanner of current memstore

Throws:

IOException - e