net.dpml.transit.monitor
Class RepositoryMonitorRouter

java.lang.Object
  net.dpml.transit.monitor.AbstractMonitorRouter
      net.dpml.transit.monitor.RepositoryMonitorRouter

All Implemented Interfaces:

Monitor, RepositoryMonitor, Router

public class RepositoryMonitorRouter
extends AbstractMonitorRouter
implements RepositoryMonitor, Router

A repository monitor router handles mutlicast distribution of monitor events to a set of subscribed monitors.

Version:

1.0.3

Author:

Digital Product Meta Library

Field Summary

Fields inherited from interface net.dpml.transit.monitor.Monitor

BOOTSTRAP_DEBUG_KEY

Constructor Summary

RepositoryMonitorRouter()

Method Summary

void	addMonitor(Monitor monitor) Add a monitor to the set of monitors managed by this router.
void	classloaderConstructed(String type, ClassLoader classloader) Notify all monitors of the creation of a new classloader.
void	establishedPluginClass(Class pluginClass) Notify all monitorrs of the establishment of a plugin class.
void	exceptionOccurred(String methodname, Exception e) Notify all monitors of an exception related to plugin establishment.
void	getPluginRequested(ClassLoader parent, URI uri, Object[] args) Notify all monitors of a request for the establishment of a plugin.
void	pluginConstructorFound(Constructor constructor, Object[] args) Notify all monitors of the discovery of a plugin constructor.
void	pluginInstantiated(Object pluginInstance) Notify all monitors of the instantiation of a plugin.
void	sequenceInfo(String info) Notify all subscribed monitors of a info message event.
void	systemExpanded(URI plugin, URL[] urls) Handle notification of system classloader expansion.

Methods inherited from class net.dpml.transit.monitor.AbstractMonitorRouter

removeMonitor

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.dpml.transit.monitor.Router

removeMonitor

Constructor Detail

RepositoryMonitorRouter

public RepositoryMonitorRouter()

Method Detail

sequenceInfo

public void sequenceInfo(String info)

Notify all subscribed monitors of a info message event.

Specified by:

sequenceInfo in interface RepositoryMonitor

Parameters:

info - the information message

getPluginRequested

public void getPluginRequested(ClassLoader parent,
                               URI uri,
                               Object[] args)

Notify all monitors of a request for the establishment of a plugin.

Specified by:

getPluginRequested in interface RepositoryMonitor

Parameters:

parent - the parent classloader

uri - the requested plugin uri

args - the supplied constructor arguments

establishedPluginClass

public void establishedPluginClass(Class pluginClass)

Notify all monitorrs of the establishment of a plugin class.

Specified by:

establishedPluginClass in interface RepositoryMonitor

Parameters:

pluginClass - the plugin class

exceptionOccurred

public void exceptionOccurred(String methodname,
                              Exception e)

Notify all monitors of an exception related to plugin establishment.

Specified by:

exceptionOccurred in interface RepositoryMonitor

Parameters:

methodname - the method raising the exception

e - the causal exception

pluginConstructorFound

public void pluginConstructorFound(Constructor constructor,
                                   Object[] args)

Notify all monitors of the discovery of a plugin constructor.

Specified by:

pluginConstructorFound in interface RepositoryMonitor

Parameters:

constructor - the constructor

args - the constructor args

pluginInstantiated

public void pluginInstantiated(Object pluginInstance)

Notify all monitors of the instantiation of a plugin.

Specified by:

pluginInstantiated in interface RepositoryMonitor

Parameters:

pluginInstance - the plugin instance

classloaderConstructed

public void classloaderConstructed(String type,
                                   ClassLoader classloader)

Notify all monitors of the creation of a new classloader.

Specified by:

classloaderConstructed in interface RepositoryMonitor

Parameters:

type - the type of classloader (api, spi or impl)

classloader - the new classloader

systemExpanded

public void systemExpanded(URI plugin,
                           URL[] urls)

Handle notification of system classloader expansion.

Specified by:

systemExpanded in interface RepositoryMonitor

Parameters:

plugin - the uri of the plugin requesting system classloader expansion

urls - the array of urls added to the system classloader

addMonitor

public void addMonitor(Monitor monitor)
                throws IllegalArgumentException

Add a monitor to the set of monitors managed by this router.

Specified by:

addMonitor in interface Router

Overrides:

addMonitor in class AbstractMonitorRouter

Parameters:

monitor - the monitor to add

Throws:

IllegalArgumentException - if the supplied monitor does not implement the RepositoryMonitor interface