Package psiprobe.beans

Class ContainerListenerBean

java.lang.Object

psiprobe.beans.ContainerListenerBean

All Implemented Interfaces:

EventListener, NotificationListener

public class ContainerListenerBean
extends Object
implements NotificationListener

This class interfaces Tomcat JMX functionality to read connection status. The class essentially provides and maintains the list of connection ThreadPools.

Field Summary

Fields

Modifier and Type	Field	Description
private Set<String>	allowedOperation	The allowed operation.
private ContainerWrapperBean	containerWrapper	Used to obtain required MBeanServer instance.
private List<ObjectName>	executorNames	The executor names.
private static org.slf4j.Logger	logger	The Constant logger.
private List<ThreadPoolObjectName>	poolNames	The pool names.

Constructor Summary

Constructors

Constructor	Description
ContainerListenerBean()

Method Summary

Modifier and Type	Method	Description
private ThreadPoolObjectName	findPool(String name)	Finds ThreadPoolObjectName by its string name.
List<Connector>	getConnectors(boolean includeRequestProcessors)	Gets the connectors.
ContainerWrapperBean	getContainerWrapper()	Gets the container wrapper.
List<ThreadPool>	getThreadPools()	Gets the thread pools.
void	handleNotification(Notification notification, Object object)	Handles creation and deletion of new "worker" threads.
private void	initialize()	Load ObjectNames for the relevant MBeans so they can be queried at a later stage without searching MBean server over and over again.
private boolean	isInitialized()	Checks if is initialized.
void	setContainerWrapper(ContainerWrapperBean containerWrapper)	Sets the container wrapper.
void	toggleConnectorStatus(String operation, String port)	Toggle connector status.

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final org.slf4j.Logger logger

The Constant logger.

allowedOperation

private Set<String> allowedOperation

The allowed operation.

poolNames

private List<ThreadPoolObjectName> poolNames

The pool names.

executorNames

private List<ObjectName> executorNames

The executor names.

containerWrapper

@Inject
private ContainerWrapperBean containerWrapper

Used to obtain required MBeanServer instance.

Constructor Detail

ContainerListenerBean

public ContainerListenerBean()

Method Detail

getContainerWrapper

public ContainerWrapperBean getContainerWrapper()

Gets the container wrapper.

Returns:

the container wrapper

setContainerWrapper

public void setContainerWrapper(ContainerWrapperBean containerWrapper)

Sets the container wrapper.

Parameters:

containerWrapper - the new container wrapper

isInitialized

private boolean isInitialized()

Checks if is initialized.

Returns:

true, if is initialized

findPool

private ThreadPoolObjectName findPool(String name)

Finds ThreadPoolObjectName by its string name.

Parameters:

name - - pool name

Returns:

null if the input name is null or ThreadPoolObjectName is not found

handleNotification

public void handleNotification(Notification notification,
                               Object object)

Handles creation and deletion of new "worker" threads.

Specified by:

handleNotification in interface NotificationListener

Parameters:

notification - the notification

object - the object

initialize

private void initialize()
                 throws Exception

Load ObjectNames for the relevant MBeans so they can be queried at a later stage without searching MBean server over and over again.

Throws:

Exception - - this method does not handle any of the exceptions that may be thrown when querying MBean server.

getThreadPools

public List<ThreadPool> getThreadPools()
                                throws Exception

Gets the thread pools.

Returns:

the thread pools

Throws:

Exception - the exception

toggleConnectorStatus

public void toggleConnectorStatus(String operation,
                                  String port)
                           throws Exception

Toggle connector status.

Parameters:

operation - the operation

port - the port

Throws:

Exception - the exception

getConnectors

public List<Connector> getConnectors(boolean includeRequestProcessors)
                              throws Exception

Gets the connectors.

Parameters:

includeRequestProcessors - the include request processors

Returns:

the connectors

Throws:

Exception - the exception