org.apache.hadoop.hbase.master.handler

Class DeleteTableHandler

java.lang.Object

org.apache.hadoop.hbase.executor.EventHandler

org.apache.hadoop.hbase.master.handler.TableEventHandler

org.apache.hadoop.hbase.master.handler.DeleteTableHandler

All Implemented Interfaces:

Comparable<Runnable>, Runnable

Direct Known Subclasses:

TruncateTableHandler

@InterfaceAudience.Private
public class DeleteTableHandler
extends TableEventHandler

Nested Class Summary

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

EventHandler.EventHandlerListener

Field Summary

Fields

Modifier and Type	Field and Description
protected HTableDescriptor	hTableDescriptor

Fields inherited from class org.apache.hadoop.hbase.master.handler.TableEventHandler

masterServices, tableLock, tableName

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

eventType, seqids, server, waitingTimeForEvents

Constructor Summary

Constructors

Constructor and Description
DeleteTableHandler(TableName tableName, Server server, MasterServices masterServices)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	handleTableOperation(List<HRegionInfo> regions)
protected void	prepareWithTableLock() Called from prepare() while holding the table lock.
protected void	releaseTableLock()
protected void	removeTableData(List<HRegionInfo> regions) Removes the table from hbase:meta and archives the HDFS files.
String	toString()
protected void	waitRegionInTransition(List<HRegionInfo> regions)

Methods inherited from class org.apache.hadoop.hbase.master.handler.TableEventHandler

completed, getTableDescriptor, prepare, process, reOpenAllRegions

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

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

Methods inherited from class java.lang.Object

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

Field Detail

hTableDescriptor

protected HTableDescriptor hTableDescriptor

Constructor Detail

DeleteTableHandler

public DeleteTableHandler(TableName tableName,
                  Server server,
                  MasterServices masterServices)

Method Detail

prepareWithTableLock

protected void prepareWithTableLock()
                             throws IOException

Description copied from class: TableEventHandler

Called from prepare() while holding the table lock. Subclasses can do extra initialization, and not worry about the releasing the table lock.

Overrides:

prepareWithTableLock in class TableEventHandler

Throws:

IOException

waitRegionInTransition

protected void waitRegionInTransition(List<HRegionInfo> regions)
                               throws IOException,
                                      CoordinatedStateException

Throws:

IOException

CoordinatedStateException

handleTableOperation

protected void handleTableOperation(List<HRegionInfo> regions)
                             throws IOException,
                                    CoordinatedStateException

Specified by:

handleTableOperation in class TableEventHandler

Throws:

IOException

CoordinatedStateException

removeTableData

protected void removeTableData(List<HRegionInfo> regions)
                        throws IOException,
                               CoordinatedStateException

Removes the table from hbase:meta and archives the HDFS files.

Throws:

IOException

CoordinatedStateException

releaseTableLock

protected void releaseTableLock()

Overrides:

releaseTableLock in class TableEventHandler

toString

public String toString()

Overrides:

toString in class EventHandler