io.appform.ranger.core.healthservice.monitor.sample

Class RotationStatusMonitor

java.lang.Object

io.appform.ranger.core.healthservice.monitor.IsolatedHealthMonitor<HealthcheckStatus>

io.appform.ranger.core.healthservice.monitor.sample.RotationStatusMonitor

All Implemented Interfaces:

Monitor<HealthcheckStatus>, Runnable

public class RotationStatusMonitor
extends IsolatedHealthMonitor<HealthcheckStatus>

This is a simple service in/out rotation check monitor Initialize this class with a filePath (location of the file) This monitor then:

• Marks service as unhealthy when the file does not exist
• Marks service as healthy when the file exists

Field Summary

Fields inherited from class io.appform.ranger.core.healthservice.monitor.IsolatedHealthMonitor

name

Constructor Summary

Constructors

Constructor and Description
RotationStatusMonitor(String filePath)
RotationStatusMonitor(TimeEntity timeEntity, long stalenessAllowedInMillis, String filePath)
RotationStatusMonitor(TimeEntity timeEntity, String filePath)

Method Summary

Modifier and Type	Method and Description
HealthcheckStatus	monitor() checks if the rotation file exists or not

Methods inherited from class io.appform.ranger.core.healthservice.monitor.IsolatedHealthMonitor

disable, enable, getHealthStatus, getName, getRunInterval, hasValidUpdatedTime, isDisabled, run

Methods inherited from class java.lang.Object

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

Constructor Detail

RotationStatusMonitor

public RotationStatusMonitor(String filePath)

Parameters:

filePath - location of the file

RotationStatusMonitor

public RotationStatusMonitor(TimeEntity timeEntity,
                             String filePath)

Parameters:

timeEntity - how often the monitor() check needs to be executed

filePath - location of the file

RotationStatusMonitor

public RotationStatusMonitor(TimeEntity timeEntity,
                             long stalenessAllowedInMillis,
                             String filePath)

Parameters:

timeEntity - how often the monitor() check needs to be executed

stalenessAllowedInMillis - after how long (in milliseconds) should the monitor be regarded as stale (default: 60 seconds)

filePath - location of the file

Method Detail

monitor

public HealthcheckStatus monitor()

checks if the rotation file exists or not

Returns:

HealthcheckStatus.healthy if file exists else HealthcheckStatus.unhealthy when file doesnt exist