Package org.apache.hadoop.hdfs.server.federation.resolver.order

Interface OrderedResolver

All Known Implementing Classes:

AvailableSpaceResolver, HashFirstResolver, HashResolver, LocalResolver, RandomResolver, RouterResolver

public interface OrderedResolver

Policy that decides which should be the first location accessed given multiple destinations.

Method Summary

Modifier and Type	Method	Description
java.lang.String	getFirstNamespace(java.lang.String path, PathLocation loc)	Get the first namespace based on this resolver approach.

Method Detail

getFirstNamespace

java.lang.String getFirstNamespace(java.lang.String path,
                                   PathLocation loc)

Get the first namespace based on this resolver approach.

Parameters:

path - Path to check.

loc - Federated location with multiple destinations.

Returns:

First namespace out of the locations.