fish.payara.microprofile.healthcheck

Class HealthCheckService

java.lang.Object

fish.payara.microprofile.healthcheck.HealthCheckService

All Implemented Interfaces:

MonitoringDataSource, EventListener, ConfigListener

@Service(name="healthcheck-service")
 @RunLevel(value=10)
public class HealthCheckService
extends Object
implements EventListener, ConfigListener, MonitoringDataSource

Service that handles the registration, execution, and response of MicroProfile HealthChecks.

Author:

Andrew Pielage

Nested Class Summary

Nested classes/interfaces inherited from interface org.glassfish.api.event.EventListener

EventListener.Event<T>

Constructor Summary

Constructors

Constructor and Description
HealthCheckService()

Method Summary

Modifier and Type	Method and Description
UnprocessedChangeEvents	changed(PropertyChangeEvent[] events) Notification that @Configured objects that were injected have changed
void	collect(MonitoringDataCollector collector) Collects all the data points of this at the current moment.
void	event(EventListener.Event event) Process a Glassfish/Payara event
boolean	isEnabled()
boolean	isSecurityEnabled()
void	performHealthChecks(javax.servlet.http.HttpServletResponse response) Execute the call method of every registered HealthCheck and generate the response.
void	postConstruct()
void	registerClassLoader(String appName, ClassLoader classloader) Register a ClassLoader for an application.
void	registerHealthCheck(String appName, org.eclipse.microprofile.health.HealthCheck healthCheck) Register a HealthCheck to the Set of HealthChecks to execute when performHealthChecks is called.

Methods inherited from class java.lang.Object

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

Constructor Detail

HealthCheckService

public HealthCheckService()

Method Detail

collect

public void collect(MonitoringDataCollector collector)

Description copied from interface: MonitoringDataSource

Collects all the data points of this at the current moment.

Specified by:

collect in interface MonitoringDataSource

Parameters:

collector - the MonitoringDataCollector instance to use to collect the data points of this source

postConstruct

@PostConstruct
public void postConstruct()

event

public void event(EventListener.Event event)

Description copied from interface: EventListener

Process a Glassfish/Payara event

Specified by:

event in interface EventListener

isEnabled

public boolean isEnabled()

isSecurityEnabled

public boolean isSecurityEnabled()

registerHealthCheck

public void registerHealthCheck(String appName,
                                org.eclipse.microprofile.health.HealthCheck healthCheck)

Register a HealthCheck to the Set of HealthChecks to execute when performHealthChecks is called.

Parameters:

appName - The name of the application being deployed

healthCheck - The HealthCheck to register

registerClassLoader

public void registerClassLoader(String appName,
                                ClassLoader classloader)

Register a ClassLoader for an application.

Parameters:

appName - The name of the application being deployed

classloader -

performHealthChecks

public void performHealthChecks(javax.servlet.http.HttpServletResponse response)
                         throws IOException

Execute the call method of every registered HealthCheck and generate the response.

Parameters:

response - The response to return

Throws:

IOException - If there's an issue writing the response

changed

public UnprocessedChangeEvents changed(PropertyChangeEvent[] events)

Description copied from interface: ConfigListener

Notification that @Configured objects that were injected have changed

Specified by:

changed in interface ConfigListener

Parameters:

events - list of changes

Returns:

the list of unprocessed events (requiring a restart) or null if all reconfiguration was processed successfully