org.apache.hadoop.hbase.client

Interface AsyncTableRegionLocator

@InterfaceAudience.Public
public interface AsyncTableRegionLocator

The asynchronous version of RegionLocator.

Usually the implementations will not throw any exception directly, you need to get the exception from the returned CompletableFuture.

Since:

2.0.0

Method Summary

Modifier and Type	Method and Description
TableName	getName() Gets the fully qualified table name instance of the table whose region we want to locate.
default CompletableFuture<HRegionLocation>	getRegionLocation(byte[] row) Finds the region on which the given row is being served.
default CompletableFuture<HRegionLocation>	getRegionLocation(byte[] row, boolean reload) Finds the region on which the given row is being served.
default CompletableFuture<HRegionLocation>	getRegionLocation(byte[] row, int replicaId) Finds the region with the given replicaId on which the given row is being served.
CompletableFuture<HRegionLocation>	getRegionLocation(byte[] row, int replicaId, boolean reload) Finds the region with the given replicaId on which the given row is being served.

Method Detail

getName

TableName getName()

Gets the fully qualified table name instance of the table whose region we want to locate.

getRegionLocation

default CompletableFuture<HRegionLocation> getRegionLocation(byte[] row)

Finds the region on which the given row is being served. Does not reload the cache.

Returns the location of the region to which the row belongs.

Parameters:

row - Row to find.

getRegionLocation

default CompletableFuture<HRegionLocation> getRegionLocation(byte[] row,
                                                             boolean reload)

Finds the region on which the given row is being served.

Returns the location of the region to which the row belongs.

Parameters:

row - Row to find.

reload - true to reload information or false to use cached information

getRegionLocation

default CompletableFuture<HRegionLocation> getRegionLocation(byte[] row,
                                                             int replicaId)

Finds the region with the given replicaId on which the given row is being served.

Returns the location of the region with the given replicaId to which the row belongs.

Parameters:

row - Row to find.

replicaId - the replica id of the region

getRegionLocation

CompletableFuture<HRegionLocation> getRegionLocation(byte[] row,
                                                     int replicaId,
                                                     boolean reload)

Finds the region with the given replicaId on which the given row is being served.

Returns the location of the region with the given replicaId to which the row belongs.

Parameters:

row - Row to find.

replicaId - the replica id of the region

reload - true to reload information or false to use cached information