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

Class PingCheckMonitor

java.lang.Object

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

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

All Implemented Interfaces:

Monitor<HealthcheckStatus>, Runnable

public class PingCheckMonitor
extends IsolatedHealthMonitor<HealthcheckStatus>

A Ping checking monitor, which executes a HttpRequest at regular intervals Maintains every healthcheck in a RollingWindowHealthQueue to prevent continuous flaps of health

Field Summary

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

name

Constructor Summary

Constructors

Constructor and Description
PingCheckMonitor(TimeEntity timeEntity, org.apache.http.HttpRequest httpRequest, Integer pingTimeoutInMilliseconds, Integer pingWindowSize, Integer maxFailures, String host, Integer port)

Method Summary

Modifier and Type	Method and Description
HealthcheckStatus	monitor() trigger a single check of the monitor service

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

PingCheckMonitor

public PingCheckMonitor(TimeEntity timeEntity,
                        org.apache.http.HttpRequest httpRequest,
                        Integer pingTimeoutInMilliseconds,
                        Integer pingWindowSize,
                        Integer maxFailures,
                        String host,
                        Integer port)

Parameters:

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

httpRequest - http request that will be called at regular intervals

pingTimeoutInMilliseconds - timeout in milliseconds for http request execution (ping response)

pingWindowSize - rolling window frame, which needs to be maintained

maxFailures - maximum failures allowed in the rolling window frame

host - host name (could be localhost)

port - port

Method Detail

monitor

public HealthcheckStatus monitor()

Description copied from interface: Monitor

trigger a single check of the monitor service

Returns:

status of check