Package org.bedework.sysevents.listeners

Class JmsSysEventListener

java.lang.Object

org.bedework.sysevents.listeners.JmsSysEventListener

All Implemented Interfaces:

Serializable, AutoCloseable, javax.jms.ExceptionListener, javax.jms.MessageListener, JmsDefs, org.bedework.util.logging.Logged

Direct Known Subclasses:

LogListener

public abstract class JmsSysEventListener
extends Object
implements org.bedework.util.logging.Logged, AutoCloseable, javax.jms.MessageListener, javax.jms.ExceptionListener, JmsDefs

Listener class which receives messages from JMS.

Author:

Mike Douglass

See Also:

• Serialized Form

Field Summary

Fields inherited from interface org.bedework.sysevents.JmsDefs

ackMode, changesQueueName, crawlerQueueName, monitorQueueName, schedulerInQueueName, schedulerOutQueueName, syseventsLogQueueName, syseventsQueueName, useTransactions

Constructor Summary

Constructors

Constructor	Description
JmsSysEventListener()

Method Summary

Modifier and Type	Method	Description
abstract void	action(SysEvent ev)	Called whenever a matching event occurs.
void	close()	Close and release resources.
org.bedework.util.logging.BwLogger	getLogger()
void	onException(javax.jms.JMSException ex)
void	onMessage(javax.jms.Message message)
JmsSysEventListener	open(String queueName)
JmsSysEventListener	open(String queueName, Properties pr)
void	process(boolean asynch)	For asynch we do the onMessage listener style.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.bedework.util.logging.Logged

audit, debug, debug, debug, enableAuditLogger, enableErrorLogger, enableMetricsLogger, error, error, error, getLogLevel, info, isAuditLoggerEnabled, isErrorLoggerEnabled, isMetricsDebugEnabled, isMetricsLoggerEnabled, metrics, setLoggerClass, setLoggerClass, trace, trace, trace, warn

Constructor Details

JmsSysEventListener

public JmsSysEventListener()

Method Details

open

public JmsSysEventListener open(String queueName)
                         throws NotificationException

Parameters:

queueName - we're listening on

Returns:

this object for Auto close

Throws:

NotificationException - on JMS error

open

public JmsSysEventListener open(String queueName,
 Properties pr)
                         throws NotificationException

Parameters:

queueName - we're listening on

pr - the properties

Returns:

this object for Auto close

Throws:

NotificationException - on JMS error

close

public void close()

Close and release resources.

Specified by:

close in interface AutoCloseable

process

public void process(boolean asynch)
             throws NotificationException

For asynch we do the onMessage listener style. Otherwise we wait synchronously for incoming messages. We will presumably be interrupted on system closedown.

Parameters:

asynch - - is at an asynch process

Throws:

NotificationException - on JMS error

onMessage

public void onMessage(javax.jms.Message message)

Specified by:

onMessage in interface javax.jms.MessageListener

onException

public void onException(javax.jms.JMSException ex)

Specified by:

onException in interface javax.jms.ExceptionListener

action

public abstract void action(SysEvent ev)
                     throws NotificationException

Called whenever a matching event occurs.

Parameters:

ev - the system message

Throws:

NotificationException - on fatal error

getLogger

public org.bedework.util.logging.BwLogger getLogger()

Specified by:

getLogger in interface org.bedework.util.logging.Logged