Package org.apache.iotdb.confignode.manager.load.cache.region

Class RegionCache

java.lang.Object

org.apache.iotdb.confignode.manager.load.cache.AbstractLoadCache

org.apache.iotdb.confignode.manager.load.cache.region.RegionCache

public class RegionCache
extends AbstractLoadCache

RegionCache caches the RegionHeartbeatSamples of a Region. Update and cache the current statistics of the Region based on the latest RegionHeartbeatSample.

Field Summary

Fields inherited from class org.apache.iotdb.confignode.manager.load.cache.AbstractLoadCache

currentStatistics, failureDetector, slidingWindow

Constructor Summary

Constructors

Constructor	Description
RegionCache()

Method Summary

Modifier and Type	Method	Description
void	cacheHeartbeatSample(RegionHeartbeatSample newHeartbeatSample, boolean overwrite)
RegionStatistics	getCurrentStatistics()
void	updateCurrentStatistics(boolean forceUpdate)	Update currentStatistics based on the latest heartbeat sample that cached in the slidingWindow.

Methods inherited from class org.apache.iotdb.confignode.manager.load.cache.AbstractLoadCache

cacheHeartbeatSample, getLastSample

Methods inherited from class java.lang.Object

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

Constructor Details

RegionCache

public RegionCache()

Method Details

updateCurrentStatistics

public void updateCurrentStatistics(boolean forceUpdate)

Description copied from class: AbstractLoadCache

Update currentStatistics based on the latest heartbeat sample that cached in the slidingWindow.

Specified by:

updateCurrentStatistics in class AbstractLoadCache

getCurrentStatistics

public RegionStatistics getCurrentStatistics()

Overrides:

getCurrentStatistics in class AbstractLoadCache

cacheHeartbeatSample

public void cacheHeartbeatSample(RegionHeartbeatSample newHeartbeatSample,
 boolean overwrite)