com.caucho.env.health

Class HealthStatusService

java.lang.Object

com.caucho.env.service.AbstractResinSubSystem

com.caucho.env.health.HealthStatusService

All Implemented Interfaces:

ResinSubSystem

public class HealthStatusService
extends AbstractResinSubSystem

A service that any component can use to send notifications about health status changes. Listeners can register to receive these events.

Author:

paul

Field Summary

Fields

Modifier and Type	Field and Description
static int	START_PRIORITY

Fields inherited from interface com.caucho.env.service.ResinSubSystem

START_PRIORITY_CACHE_SERVICE, START_PRIORITY_CLASSLOADER, START_PRIORITY_CLUSTER_SERVICE, START_PRIORITY_DATABASE_SYSTEM, START_PRIORITY_DEFAULT, START_PRIORITY_ENV_SYSTEM, START_PRIORITY_NETWORK_CLUSTER, STOP_PRIORITY_CLASSLOADER

Method Summary

Modifier and Type	Method and Description
void	addHealthStatusListener(HealthStatusListener listener) Registers a HealthStatusListener to receive health status notifications
static HealthStatusService	createAndAddService()
static HealthStatusService	getCurrent()
int	getStartPriority() Returns the start priority of the service, used to determine which services to start first.
static void	updateCurrentHealthStatus(java.lang.Object source, HealthStatus status, java.lang.String message) Notify all HealthStatusListeners about a change in health status.
void	updateHealthStatus(java.lang.Object source, HealthStatus status, java.lang.String message) Notify all HealthStatusListeners about a change in health status.

Methods inherited from class com.caucho.env.service.AbstractResinSubSystem

destroy, getStopPriority, isActive, preCreate, start, stop, toString

Methods inherited from class java.lang.Object

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

Field Detail

START_PRIORITY

public static final int START_PRIORITY

See Also:

Constant Field Values

Method Detail

createAndAddService

public static HealthStatusService createAndAddService()

getCurrent

public static HealthStatusService getCurrent()

updateHealthStatus

public void updateHealthStatus(java.lang.Object source,
                               HealthStatus status,
                               java.lang.String message)

Notify all HealthStatusListeners about a change in health status.

Parameters:

source - object generating the notification; usually "this"

status - new health status

message - health status message

updateCurrentHealthStatus

public static void updateCurrentHealthStatus(java.lang.Object source,
                                             HealthStatus status,
                                             java.lang.String message)

Notify all HealthStatusListeners about a change in health status.

Parameters:

source - object generating the notification; usually "this"

status - new health status

message - health status message

addHealthStatusListener

public void addHealthStatusListener(HealthStatusListener listener)

Registers a HealthStatusListener to receive health status notifications

Parameters:

listener -

getStartPriority

public int getStartPriority()

Description copied from interface: ResinSubSystem

Returns the start priority of the service, used to determine which services to start first.

Specified by:

getStartPriority in interface ResinSubSystem

Overrides:

getStartPriority in class AbstractResinSubSystem