Package org.jboss.modules.management

Interface ModuleLoaderMXBean

public interface ModuleLoaderMXBean

An MXBean for getting runtime information about a module loader.

Author:

David M. Lloyd

Method Summary

Modifier and Type	Method	Description
String	dumpAllModuleInformation()	Dump all information for all modules as a string.
String	dumpModuleInformation(String name)	Dump all information for a single module as a string.
int	getClassCount()	Get the number of classes defined in this module loader.
long	getClassDefineTime()	Get the estimated CPU time (in nanoseconds) spent defining classes for this loader.
String	getClassLocation(String moduleName, String className)	Get the code source location of a class within a module.
List<DependencyInfo>	getDependencies(String name)	Get the dependencies of the named module.
String	getDescription()	Get a description of this module loader.
long	getLinkTime()	Get the estimated CPU time (in nanoseconds) spent linking in the life of this module loader.
int	getLoadedModuleCount()	Get the number of modules currently loaded.
long	getLoadTime()	Get the estimated CPU time (in nanoseconds) spent loading modules into this loader.
ModuleInfo	getModuleDescription(String name)	Get the complete description of this module.
SortedMap<String,List<String>>	getModulePathsInfo(String name, boolean exports)	Get a paths map for a given module.
int	getRaceCount()	Get the number of times a class was defined by two threads at once.
List<ResourceLoaderInfo>	getResourceLoaders(String name)	Get the resource loaders of the named module.
int	getScanCount()	Get the number of times that dependencies of a module from this loader have been scanned.
List<String>	queryLoadedModuleNames()	Obtain a list of the current module names.
void	refreshResourceLoaders(String name)	Attempt to refresh the resource loaders of the given module.
void	relink(String name)	Attempt to relink the given module.
boolean	unloadModule(String name)	Attempt to unload a module from this module loader.

Method Detail

getDescription

String getDescription()

Get a description of this module loader.

Returns:

a description of this module loader

getLinkTime

long getLinkTime()

Get the estimated CPU time (in nanoseconds) spent linking in the life of this module loader.

Returns:

the estimated time in nanoseconds

getLoadTime

long getLoadTime()

Get the estimated CPU time (in nanoseconds) spent loading modules into this loader.

Returns:

the estimated time in nanoseconds

getClassDefineTime

long getClassDefineTime()

Get the estimated CPU time (in nanoseconds) spent defining classes for this loader.

Returns:

the estimated time in nanoseconds

getScanCount

int getScanCount()

Get the number of times that dependencies of a module from this loader have been scanned.

Returns:

the count

getLoadedModuleCount

int getLoadedModuleCount()

Get the number of modules currently loaded.

Returns:

the loaded module count

getRaceCount

int getRaceCount()

Get the number of times a class was defined by two threads at once.

Returns:

the race count

getClassCount

int getClassCount()

Get the number of classes defined in this module loader.

Returns:

the number of classes defined in this module loader

queryLoadedModuleNames

List<String> queryLoadedModuleNames()

Obtain a list of the current module names.

Returns:

the module names

dumpModuleInformation

String dumpModuleInformation(String name)

Dump all information for a single module as a string.

Parameters:

name - the module name

Returns:

the string of module information

dumpAllModuleInformation

String dumpAllModuleInformation()

Dump all information for all modules as a string.

Returns:

the string of module information

unloadModule

boolean unloadModule(String name)

Attempt to unload a module from this module loader.

Parameters:

name - the string form of the module identifier to unload

Returns:

true if the module was unloaded

refreshResourceLoaders

void refreshResourceLoaders(String name)

Attempt to refresh the resource loaders of the given module.

Parameters:

name - the name of the module to refresh

relink

void relink(String name)

Attempt to relink the given module.

Parameters:

name - the name of the module to relink

getDependencies

List<DependencyInfo> getDependencies(String name)

Get the dependencies of the named module.

Parameters:

name - the module name

Returns:

the module's dependencies

getResourceLoaders

List<ResourceLoaderInfo> getResourceLoaders(String name)

Get the resource loaders of the named module.

Parameters:

name - the module name

Returns:

the module's resource loaders

getModuleDescription

ModuleInfo getModuleDescription(String name)

Get the complete description of this module.

Parameters:

name - the module name

Returns:

the module description

getModulePathsInfo

SortedMap<String,List<String>> getModulePathsInfo(String name,
                                                  boolean exports)

Get a paths map for a given module.

Parameters:

name - the module name

exports - true for the exported paths, false for all paths

Returns:

the paths map information

getClassLocation

String getClassLocation(String moduleName,
                        String className)

Get the code source location of a class within a module.

Parameters:

moduleName - the module name

className - the class name

Returns:

the location, or null if the class isn't found or the location cannot be determined