com.caucho.env.warning

Class WarningService

java.lang.Object

com.caucho.env.service.AbstractResinSubSystem

com.caucho.env.warning.WarningService

All Implemented Interfaces:

ResinSubSystem

public class WarningService
extends AbstractResinSubSystem

The WarningService is a general way to send warning and critical system messages such as shutdown messages.

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

Constructor Summary

Constructors

Constructor and Description
WarningService()

Method Summary

Modifier and Type	Method and Description
void	addHandler(WarningHandler handler) Add a warning event handler.
void	addPriorityHandler(WarningHandler handler) Add a warning event handler.
static WarningService	createAndAddService()
static WarningService	getCurrent()
int	getStartPriority() Returns the start priority of the service, used to determine which services to start first.
static void	sendCurrentWarning(java.lang.Object source, java.lang.String msg) Sends a warning to the current service.
static void	sendCurrentWarning(java.lang.Object source, java.lang.Throwable e) Sends a warning to the current service.
void	sendWarning(java.lang.Object source, java.lang.String msg) Send a warning message to any registered handlers.
void	sendWarning(java.lang.Object source, java.lang.Throwable e) Send a warning message to any registered handlers.

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

Constructor Detail

WarningService

public WarningService()

Method Detail

createAndAddService

public static WarningService createAndAddService()

getCurrent

public static WarningService getCurrent()

sendWarning

public void sendWarning(java.lang.Object source,
                        java.lang.String msg)

Send a warning message to any registered handlers. A high priority warning only goes to all handlers, high priority first. High priority handlers do not receive non-high priority warnings.

Parameters:

source - source of the message, usually you

msg - test to print or send as an alert

isHighPriority - set true to send to high priority warning handlers

sendWarning

public void sendWarning(java.lang.Object source,
                        java.lang.Throwable e)

Send a warning message to any registered handlers. A high priority warning only goes to all handlers, high priority first. High priority handlers do not receive non-high priority warnings.

Parameters:

source - source of the message, usually you

msg - test to print or send as an alert

isHighPriority - set true to send to high priority warning handlers

sendCurrentWarning

public static void sendCurrentWarning(java.lang.Object source,
                                      java.lang.String msg)

Sends a warning to the current service.

sendCurrentWarning

public static void sendCurrentWarning(java.lang.Object source,
                                      java.lang.Throwable e)

Sends a warning to the current service.

addHandler

public void addHandler(WarningHandler handler)

Add a warning event handler. High priority handlers ONLY get high priority warnings, and they are notified first. Other handlers gets all warnings after high priority handlers are notified.

Parameters:

handler - an object that implements WarningHandler

isHighPriority - high priority handlers only get high priority warnings.

addPriorityHandler

public void addPriorityHandler(WarningHandler handler)

Add a warning event handler. High priority handlers ONLY get high priority warnings, and they are notified first. Other handlers gets all warnings after high priority handlers are notified.

Parameters:

handler - an object that implements WarningHandler

isHighPriority - high priority handlers only get high priority warnings.

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