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

Interface IFailureDetector

All Known Implementing Classes:

FixedDetector, PhiAccrualDetector

public interface IFailureDetector

IFailureDetector is the judge for node status (UNKNOWN). will be called each fixed interval updating the node status

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FIXED_DETECTOR
static final String	PHI_ACCRUAL_DETECTOR

Method Summary

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

Field Details

FIXED_DETECTOR

static final String FIXED_DETECTOR

See Also:

• Constant Field Values

PHI_ACCRUAL_DETECTOR

static final String PHI_ACCRUAL_DETECTOR

See Also:

• Constant Field Values

Method Details

isAvailable

boolean isAvailable(List<AbstractHeartbeatSample> history)

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

Parameters:

history - heartbeat history

Returns:

false if the endpoint is under failure