ProportionalZoneFailureDetector (Brooklyn)

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brooklyn.entity.group.zoneaware
[Java] Class ProportionalZoneFailureDetector

java.lang.Object
  brooklyn.entity.group.zoneaware.AbstractZoneFailureDetector
      brooklyn.entity.group.zoneaware.ProportionalZoneFailureDetector

public class ProportionalZoneFailureDetector
extends AbstractZoneFailureDetector

Fields inherited from class AbstractZoneFailureDetector
ticker

Constructor Summary
`ProportionalZoneFailureDetector(int minDatapoints, Duration timeToConsider, double maxProportionFailures)` @param minDatapoints min number of attempts within the time period, to consider this measure reliable
`ProportionalZoneFailureDetector(int minDatapoints, Duration timeToConsider, double maxProportionFailures, Ticker ticker)`

Method Summary
`protected boolean`	`doHasFailed(Location loc, ZoneHistory zoneHistory)`

Methods inherited from class AbstractZoneFailureDetector
currentTimeMillis, doHasFailed, getZoneHistory, hasFailed, newZoneHistory, onStartupFailure, onStartupSuccess

Field Detail

protected final double maxProportionFailures

protected final int minDatapoints

protected final long timeToConsider

Constructor Detail

public ProportionalZoneFailureDetector(int minDatapoints, Duration timeToConsider, double maxProportionFailures)

Parameters:: minDatapoints - min number of attempts within the time period, to consider this measure reliable; timeToConsider - time for recent attempts (discard any attempts older than this); maxProportionFailures - proportion (between 0 and 1) where numFailures/dataPoints >= this number means failure

public ProportionalZoneFailureDetector(int minDatapoints, Duration timeToConsider, double maxProportionFailures, Ticker ticker)

Method Detail

protected boolean doHasFailed(Location loc, ZoneHistory zoneHistory) {
protected boolean doHasFailed(Location loc, ZoneHistory zoneHistory)