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

Interface OrderedResolver

All Known Implementing Classes:
AvailableSpaceResolver, HashFirstResolver, HashResolver, LeaderFollowerResolver, 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
    String
    getFirstNamespace(String path, PathLocation loc)
    Get the first namespace based on this resolver approach.

  • Method Details

    • getFirstNamespace

      String getFirstNamespace(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.