org.apache.hadoop.hbase.replication

Class ChainWALEntryFilter

java.lang.Object

org.apache.hadoop.hbase.replication.ChainWALEntryFilter

All Implemented Interfaces:

WALEntryFilter

@InterfaceAudience.LimitedPrivate(value="Replication")
public class ChainWALEntryFilter
extends Object
implements WALEntryFilter

A WALEntryFilter which contains multiple filters and applies them in chain order

Constructor Summary

Constructors

Constructor and Description
ChainWALEntryFilter(List<WALEntryFilter> filters)
ChainWALEntryFilter(WALEntryFilter... filters)

Method Summary

Methods

Modifier and Type	Method and Description
HLog.Entry	filter(HLog.Entry entry) Applies the filter, possibly returning a different HLog.Entry instance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChainWALEntryFilter

public ChainWALEntryFilter(WALEntryFilter... filters)

ChainWALEntryFilter

public ChainWALEntryFilter(List<WALEntryFilter> filters)

Method Detail

filter

public HLog.Entry filter(HLog.Entry entry)

Description copied from interface: WALEntryFilter

Applies the filter, possibly returning a different HLog.Entry instance. If null is returned, the entry will be skipped.

Specified by:

filter in interface WALEntryFilter

Parameters:

entry - WAL Entry to filter

Returns:

a (possibly modified) HLog.Entry to use. Returning null or an entry with no cells will cause the entry to be skipped for replication.