Package org.apache.hadoop.hbase

Interface Server

All Superinterfaces:
Abortable, Stoppable
All Known Subinterfaces:
MasterServices, RegionServerServices
All Known Implementing Classes:
HBaseServerBase, HMaster, HMasterCommandLine.LocalHMaster, HRegionServer, MiniHBaseCluster.MiniHBaseClusterRegionServer, MockRegionServerServices, ReplicationSyncUp.DummyServer
@Private public interface Server extends Abortable, Stoppable
Defines a curated set of shared functions implemented by HBase servers (Masters and RegionServers). For use internally only. Be judicious adding API. Changes cause ripples through the code base.

  • Method Details

    • getConfiguration

      org.apache.hadoop.conf.Configuration getConfiguration()
      Gets the configuration object for this server.

    • getZooKeeper

      ZKWatcher getZooKeeper()
      Gets the ZooKeeper instance for this server.

    • getConnection

      default Connection getConnection()
      Returns a reference to the servers' connection. Important note: this method returns a reference to Connection which is managed by Server itself, so callers must NOT attempt to close connection obtained.

    • createConnection

      Connection createConnection(org.apache.hadoop.conf.Configuration conf) throws IOException
      Throws:
      IOException

    • getAsyncConnection

      default AsyncConnection getAsyncConnection()
      Returns a reference to the servers' async connection.

      Important note: this method returns a reference to Connection which is managed by Server itself, so callers must NOT attempt to close connection obtained.

    • getAsyncClusterConnection

      AsyncClusterConnection getAsyncClusterConnection()
      Returns a reference to the servers' async cluster connection.

      Important note: this method returns a reference to Connection which is managed by Server itself, so callers must NOT attempt to close connection obtained.

    • getServerName

      ServerName getServerName()
      Returns The unique server name for this server.

    • getCoordinatedStateManager

      CoordinatedStateManager getCoordinatedStateManager()
      Get CoordinatedStateManager instance for this server.

    • getChoreService

      ChoreService getChoreService()
      Returns The ChoreService instance for this server

    • getFileSystem

      default org.apache.hadoop.fs.FileSystem getFileSystem()
      Returns Return the FileSystem object used (can return null!).

    • isStopping

      default boolean isStopping()
      Returns True is the server is Stopping