org.apache.hadoop.hbase.replication

Interface WALCellFilter

All Known Implementing Classes:

NamespaceTableCfWALEntryFilter, ScopeWALEntryFilter

@InterfaceAudience.LimitedPrivate(value="Replication")
public interface WALCellFilter

A filter for WAL entry cells before being sent over to replication.

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.hbase.Cell	filterCell(WAL.Entry entry, org.apache.hadoop.hbase.Cell cell) Applies the filter, possibly returning a different Cell instance.

Method Detail

filterCell

org.apache.hadoop.hbase.Cell filterCell(WAL.Entry entry,
                                        org.apache.hadoop.hbase.Cell cell)

Applies the filter, possibly returning a different Cell instance. If null is returned, the cell will be skipped.

Parameters:

entry - Entry which contains the cell

cell - Cell to filter

Returns:

a (possibly modified) Cell to use. Returning null will cause the cell to be skipped for replication.