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

Class FixedDetector

java.lang.Object

org.apache.iotdb.confignode.manager.load.cache.detector.FixedDetector

All Implemented Interfaces:

IFailureDetector

public class FixedDetector
extends Object
implements IFailureDetector

FixedDetector will decide a node unknown iff. Time elapsed from last heartbeat exceeds the heartbeatTimeoutNs.

Field Summary

Fields inherited from interface org.apache.iotdb.confignode.manager.load.cache.IFailureDetector

FIXED_DETECTOR, PHI_ACCRUAL_DETECTOR

Constructor Summary

Constructors

Constructor	Description
FixedDetector(long heartbeatTimeoutNs)

Method Summary

Modifier and Type	Method	Description
boolean	isAvailable(List<AbstractHeartbeatSample> history)	Given the heartbeat history, decide whether this endpoint is still available

Methods inherited from class java.lang.Object

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

Constructor Details

FixedDetector

public FixedDetector(long heartbeatTimeoutNs)

Method Details

isAvailable

public boolean isAvailable(List<AbstractHeartbeatSample> history)

Description copied from interface: IFailureDetector

Given the heartbeat history, decide whether this endpoint is still available

Specified by:

isAvailable in interface IFailureDetector

Parameters:

history - heartbeat history

Returns:

false if the endpoint is under failure