org.apache.hadoop.hbase.master.handler

Class DispatchMergingRegionHandler

java.lang.Object

org.apache.hadoop.hbase.executor.EventHandler

org.apache.hadoop.hbase.master.handler.DispatchMergingRegionHandler

All Implemented Interfaces:

Comparable<Runnable>, Runnable

@InterfaceAudience.Private
public class DispatchMergingRegionHandler
extends EventHandler

Handles MERGE regions request on master: move the regions together(on the same regionserver) and send MERGE RPC to regionserver. NOTE:The real merge is executed on the regionserver

Nested Class Summary

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

EventHandler.EventHandlerListener

Field Summary

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

eventType, seqids, server, waitingTimeForEvents

Constructor Summary

Constructors

Constructor and Description
DispatchMergingRegionHandler(MasterServices services, CatalogJanitor catalogJanitor, HRegionInfo region_a, HRegionInfo region_b, boolean forcible)

Method Summary

Methods

Modifier and Type	Method and Description
void	process() This method is the main processing loop to be implemented by the various subclasses.

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

compareTo, getEventType, getInformativeName, getListener, getPriority, getSeqid, handleException, prepare, run, setListener, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DispatchMergingRegionHandler

public DispatchMergingRegionHandler(MasterServices services,
                            CatalogJanitor catalogJanitor,
                            HRegionInfo region_a,
                            HRegionInfo region_b,
                            boolean forcible)

Method Detail

process

public void process()
             throws 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:

IOException