Package org.apache.hadoop.hbase.backup.example

Class HFileArchiveTableMonitor

java.lang.Object

org.apache.hadoop.hbase.backup.example.HFileArchiveTableMonitor

@Private
public class HFileArchiveTableMonitor
extends Object

Monitor the actual tables for which HFiles are archived for long-term retention (always kept unless ZK state changes).

It is internally synchronized to ensure consistent view of the table state.

Field Summary

Fields

Modifier and Type	Field	Description
private final Set<String>	archivedTables
private static final org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
HFileArchiveTableMonitor()

Method Summary

Modifier and Type	Method	Description
void	addTable(String table)	Add the named table to be those being archived.
void	clearArchive()
void	removeTable(String table)
void	setArchiveTables(List<String> tables)	Set the tables to be archived.
boolean	shouldArchiveTable(String tableName)	Determine if the given table should or should not allow its hfiles to be deleted in the archive

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

archivedTables

private final Set<String> archivedTables

Constructor Details

HFileArchiveTableMonitor

public HFileArchiveTableMonitor()

Method Details

setArchiveTables

public void setArchiveTables(List<String> tables)

Set the tables to be archived. Internally adds each table and attempts to register it.

Note: All previous tables will be removed in favor of these tables.

Parameters:

tables - add each of the tables to be archived.

addTable

public void addTable(String table)

Add the named table to be those being archived. Attempts to register the table

Parameters:

table - name of the table to be registered

removeTable

public void removeTable(String table)

clearArchive

public void clearArchive()

shouldArchiveTable

public boolean shouldArchiveTable(String tableName)

Determine if the given table should or should not allow its hfiles to be deleted in the archive

Parameters:

tableName - name of the table to check

Returns:

true if its store files should be retained, false otherwise