org.abstracthorizon.extend.server.deployment.support
Class AbstractModule

java.lang.Object
  org.abstracthorizon.extend.server.deployment.support.AbstractModule

All Implemented Interfaces:

Module

Direct Known Subclasses:

DirectoryModule, JarModule

public abstract class AbstractModule
extends Object
implements Module

Jar file module

Author:

Daniel Sendula

Field Summary

protected ClassLoader	classLoader Module's class loader
protected Set<Module>	dependOnThis List of modules depending on this module
protected Set<Module>	dependsOn List of modules this module depends on
protected ModuleId	moduleId Module's name
protected URL	originalUrl Location it was originally expected on
protected int	state State
protected URL	workingUrl Real location

Fields inherited from interface org.abstracthorizon.extend.server.deployment.Module

CREATED, DEFINED, STARTED, UNDEFINED, WAITING_ON_CREATE, WAITING_ON_CREATE_TO_START, WAITING_ON_START

Constructor Summary

protected	AbstractModule() Caution - use with care as every module must have module id defined!
	AbstractModule(ModuleId moduleId) Constructor

Method Summary

void	create() Creates the module.
protected void	createClassLoader() This method creates the class loader.
void	destroy() Destroys the module.
boolean	equals(Object o) Compares two modules and returns true if names are the same
ClassLoader	getClassLoader() Returns module's classloader
Set<Module>	getDependOnThis() Returns a set of modules that depend on this
Set<Module>	getDependsOn() Returns a set of modules this module depends on
ModuleId	getModuleId() Returns module's module id
URL	getOriginalLocation() Returns original location
int	getState() Returns state
URL	getWorkingLocation() Returns real location
void	setLocation(URL url) Sets the location
void	setModuleId(ModuleId moduleId) Sets module's module id
void	setState(int state) Changes the state
void	start() This method does nothing
void	stop() This method does nothing
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

classLoader

protected ClassLoader classLoader

Module's class loader

dependsOn

protected Set<Module> dependsOn

List of modules this module depends on

dependOnThis

protected Set<Module> dependOnThis

List of modules depending on this module

workingUrl

protected URL workingUrl

Real location

originalUrl

protected URL originalUrl

Location it was originally expected on

moduleId

protected ModuleId moduleId

Module's name

state

protected int state

State

Constructor Detail

AbstractModule

protected AbstractModule()

Caution - use with care as every module must have module id defined!

AbstractModule

public AbstractModule(ModuleId moduleId)

Constructor

Parameters:

moduleId - module id

Method Detail

setLocation

public void setLocation(URL url)

Sets the location

Parameters:

url - url of the module

create

public void create()

Creates the module. It sets up the classloader

Specified by:

create in interface Module

start

public void start()

This method does nothing

Specified by:

start in interface Module

stop

public void stop()

This method does nothing

Specified by:

stop in interface Module

destroy

public void destroy()

Destroys the module. It removes classloader

Specified by:

destroy in interface Module

getClassLoader

public ClassLoader getClassLoader()

Returns module's classloader

Specified by:

getClassLoader in interface Module

Returns:

classloader

getDependOnThis

public Set<Module> getDependOnThis()

Returns a set of modules that depend on this

Specified by:

getDependOnThis in interface Module

Returns:

a set of modules that depend on this

getDependsOn

public Set<Module> getDependsOn()

Returns a set of modules this module depends on

Specified by:

getDependsOn in interface Module

Returns:

a set of modules this module depends on

getModuleId

public ModuleId getModuleId()

Returns module's module id

Specified by:

getModuleId in interface Module

Returns:

module id

setModuleId

public void setModuleId(ModuleId moduleId)

Sets module's module id

Parameters:

moduleId - module id

getOriginalLocation

public URL getOriginalLocation()

Returns original location

Specified by:

getOriginalLocation in interface Module

Returns:

original location

getWorkingLocation

public URL getWorkingLocation()

Returns real location

Specified by:

getWorkingLocation in interface Module

Returns:

real location

getState

public int getState()

Returns state

Specified by:

getState in interface Module

Returns:

state

setState

public void setState(int state)

Changes the state

Specified by:

setState in interface Module

Parameters:

state - state

createClassLoader

protected void createClassLoader()

This method creates the class loader. Current implementation does nothing.

equals

public boolean equals(Object o)

Compares two modules and returns true if names are the same

Overrides:

equals in class Object

Parameters:

o - other object

Returns:

true if names are the same

toString

public String toString()

Overrides:

toString in class Object