org.apache.hadoop.hbase.master.handler
Class ServerShutdownHandler

java.lang.Object
  org.apache.hadoop.hbase.executor.EventHandler
      org.apache.hadoop.hbase.master.handler.ServerShutdownHandler

All Implemented Interfaces:

java.lang.Comparable<java.lang.Runnable>, java.lang.Runnable

Direct Known Subclasses:

MetaServerShutdownHandler

public class ServerShutdownHandler
extends EventHandler

Process server shutdown. Server-to-handle must be already in the deadservers lists. See ServerManager.expireServer(HServerInfo).

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.executor.EventHandler

EventHandler.EventHandlerListener, EventHandler.EventType

Field Summary

Fields inherited from class org.apache.hadoop.hbase.executor.EventHandler

eventType, seqids

Constructor Summary

ServerShutdownHandler(Server server, MasterServices services, DeadServer deadServers, HServerInfo hsi)

Method Summary

void	process() This method is the main processing loop to be implemented by the various subclasses.
static boolean	processDeadRegion(HRegionInfo hri, Result result, AssignmentManager assignmentManager, CatalogTracker catalogTracker) Process a dead region from a dead RS.

Methods inherited from class org.apache.hadoop.hbase.executor.EventHandler

compareTo, getEventType, getListener, getPriority, getSeqid, run, setListener

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerShutdownHandler

public ServerShutdownHandler(Server server,
                             MasterServices services,
                             DeadServer deadServers,
                             HServerInfo hsi)

Method Detail

process

public void process()
             throws java.io.IOException

Description copied from class: EventHandler

This method is the main processing loop to be implemented by the various subclasses.

Specified by:

process in class EventHandler

Throws:

java.io.IOException

processDeadRegion

public static boolean processDeadRegion(HRegionInfo hri,
                                        Result result,
                                        AssignmentManager assignmentManager,
                                        CatalogTracker catalogTracker)
                                 throws java.io.IOException

Process a dead region from a dead RS. Checks if the region is disabled or if the region has a partially completed split.

Parameters:

hri -

result -

assignmentManager -

catalogTracker -

Returns:

Returns true if specified region should be assigned, false if not.

Throws:

java.io.IOException