org.apache.hadoop.hbase.regionserver

Class PrefetchExecutorNotifier

java.lang.Object

org.apache.hadoop.hbase.regionserver.PrefetchExecutorNotifier

All Implemented Interfaces:

ConfigurationObserver, PropagatingConfigurationObserver

@InterfaceAudience.Private
public final class PrefetchExecutorNotifier
extends Object
implements PropagatingConfigurationObserver

Class to submit requests for PrefetchExecutor depending on configuration change

Field Summary

Fields

Modifier and Type	Field and Description
static String	PREFETCH_DELAY Wait time in miliseconds before executing prefetch

Constructor Summary

Constructors

Constructor and Description
PrefetchExecutorNotifier(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
void	deregisterChildren(ConfigurationManager manager)
int	getPrefetchDelay()
void	onConfigurationChange(org.apache.hadoop.conf.Configuration newConf)
void	registerChildren(ConfigurationManager manager)

Methods inherited from class java.lang.Object

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

Field Detail

PREFETCH_DELAY

public static final String PREFETCH_DELAY

Wait time in miliseconds before executing prefetch

See Also:

Constant Field Values

Constructor Detail

PrefetchExecutorNotifier

public PrefetchExecutorNotifier(org.apache.hadoop.conf.Configuration conf)

Method Detail

onConfigurationChange

public void onConfigurationChange(org.apache.hadoop.conf.Configuration newConf)

Specified by:

onConfigurationChange in interface ConfigurationObserver

registerChildren

public void registerChildren(ConfigurationManager manager)

Specified by:

registerChildren in interface PropagatingConfigurationObserver

deregisterChildren

public void deregisterChildren(ConfigurationManager manager)

Specified by:

deregisterChildren in interface PropagatingConfigurationObserver

getPrefetchDelay

public int getPrefetchDelay()