org.nuxeo.runtime.model.impl

Class ComponentManagerImpl

java.lang.Object

org.nuxeo.runtime.model.impl.ComponentManagerImpl

All Implemented Interfaces:

ComponentManager

public class ComponentManagerImpl
extends Object
implements ComponentManager

Author:

Bogdan Stefanescu, Florent Guillaume

Field Summary

Fields

Modifier and Type	Field and Description
protected Set<String>	blacklist
protected Map<ComponentName,Set<Extension>>	pendingExtensions
protected ComponentRegistry	reg

Constructor Summary

Constructors

Constructor and Description
ComponentManagerImpl(RuntimeService runtime)

Method Summary

Modifier and Type	Method and Description
void	addComponentListener(ComponentListener listener) Adds a component listener.
Collection<ComponentName>	getActivatingRegistrations() Gets the pending extensions by component.
Set<String>	getBlacklist()
ComponentInstance	getComponent(ComponentName name) Gets object instance managed by the named component.
ComponentInstance	getComponentProvidingService(Class<?> serviceClass) Gets the component that provides the given service.
Collection<ComponentName>	getNeededRegistrations()
Collection<Extension>	getPendingExtensions(ComponentName name)
Map<ComponentName,Set<ComponentName>>	getPendingRegistrations() Gets the pending registrations and their dependencies.
RegistrationInfo	getRegistrationInfo(ComponentName name) Gets the component if there is one having the given name.
Collection<RegistrationInfo>	getRegistrations() Gets the registered components.
protected Collection<ComponentName>	getRegistrations(int state)
<T> T	getService(Class<T> serviceClass) Gets the service of type serviceClass if such a service was declared by a resolved runtime component.
String[]	getServices() Get the list of all registered service names An empty array is returned if no registered services are found.
Collection<ComponentName>	getStartFailureRegistrations() Gets the components that fail on applicationStarted notification
protected static void	handleError(String message, Exception e)
boolean	isRegistered(ComponentName name) Checks whether or not a component with the given name was registered.
static void	loadContributions(RegistrationInfoImpl ri, Extension xt)
void	register(RegistrationInfo regInfo) Handles the registration of the given registration info.
void	registerExtension(Extension extension)
void	registerServices(RegistrationInfoImpl ri)
void	removeComponentListener(ComponentListener listener) Removes a component listener.
void	setBlacklist(Set<String> blacklist)
void	shutdown() Shuts down the component registry.
int	size() Gets the number of registered objects in this registry.
void	unregister(ComponentName name) Unregisters a component given its name.
void	unregister(RegistrationInfo regInfo) Handles the unregistration of the given registration info.
void	unregisterExtension(Extension extension)
void	unregisterServices(RegistrationInfoImpl ri)

Methods inherited from class java.lang.Object

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

Field Detail

pendingExtensions

protected final Map<ComponentName,Set<Extension>> pendingExtensions

blacklist

protected Set<String> blacklist

reg

protected ComponentRegistry reg

Constructor Detail

ComponentManagerImpl

public ComponentManagerImpl(RuntimeService runtime)

Method Detail

getRegistrations

public Collection<RegistrationInfo> getRegistrations()

Description copied from interface: ComponentManager

Gets the registered components.

Specified by:

getRegistrations in interface ComponentManager

Returns:

a read-only collection of components

getPendingRegistrations

public Map<ComponentName,Set<ComponentName>> getPendingRegistrations()

Description copied from interface: ComponentManager

Gets the pending registrations and their dependencies.

Specified by:

getPendingRegistrations in interface ComponentManager

Returns:

the pending registrations

getNeededRegistrations

public Collection<ComponentName> getNeededRegistrations()

getPendingExtensions

public Collection<Extension> getPendingExtensions(ComponentName name)

getRegistrationInfo

public RegistrationInfo getRegistrationInfo(ComponentName name)

Description copied from interface: ComponentManager

Gets the component if there is one having the given name.

Specified by:

getRegistrationInfo in interface ComponentManager

Parameters:

name - the component name

Returns:

the component if any was registered with that name, null otherwise

isRegistered

public boolean isRegistered(ComponentName name)

Description copied from interface: ComponentManager

Checks whether or not a component with the given name was registered.

Specified by:

isRegistered in interface ComponentManager

Parameters:

name - the object name

Returns:

true if an object with the given name was registered, false otherwise

size

public int size()

Description copied from interface: ComponentManager

Gets the number of registered objects in this registry.

Specified by:

size in interface ComponentManager

Returns:

the number of registered objects

getComponent

public ComponentInstance getComponent(ComponentName name)

Description copied from interface: ComponentManager

Gets object instance managed by the named component.

Specified by:

getComponent in interface ComponentManager

Parameters:

name - the object name

Returns:

the object instance if any. may be null

shutdown

public void shutdown()

Description copied from interface: ComponentManager

Shuts down the component registry.

This unregisters all objects registered in this registry.

Specified by:

shutdown in interface ComponentManager

getBlacklist

public Set<String> getBlacklist()

Specified by:

getBlacklist in interface ComponentManager

setBlacklist

public void setBlacklist(Set<String> blacklist)

Specified by:

setBlacklist in interface ComponentManager

register

public void register(RegistrationInfo regInfo)

Description copied from interface: ComponentManager

Handles the registration of the given registration info.

This is called by the main registry when all dependencies of this registration info were solved and the object can be registered.

If true is returned, the object will be added to the main registry under the name given in RegistrationInfo.

Specified by:

register in interface ComponentManager

Parameters:

regInfo - the registration info

unregister

public void unregister(RegistrationInfo regInfo)

Description copied from interface: ComponentManager

Handles the unregistration of the given registration info.

This is called by the main registry when the object is unregistered.

If true is returned, the object will be removed from the main registry.

Specified by:

unregister in interface ComponentManager

Parameters:

regInfo - the registration info

unregister

public void unregister(ComponentName name)

Description copied from interface: ComponentManager

Unregisters a component given its name.

Specified by:

unregister in interface ComponentManager

Parameters:

name - the component name

addComponentListener

public void addComponentListener(ComponentListener listener)

Description copied from interface: ComponentManager

Adds a component listener.

Does nothing if the given listener is already registered.

Specified by:

addComponentListener in interface ComponentManager

Parameters:

listener - the component listener to add

removeComponentListener

public void removeComponentListener(ComponentListener listener)

Description copied from interface: ComponentManager

Removes a component listener.

Does nothing if the given listener is not registered.

Specified by:

removeComponentListener in interface ComponentManager

Parameters:

listener - the component listener to remove

getComponentProvidingService

public ComponentInstance getComponentProvidingService(Class<?> serviceClass)

Description copied from interface: ComponentManager

Gets the component that provides the given service.

Specified by:

getComponentProvidingService in interface ComponentManager

Parameters:

serviceClass - the service class

Returns:

the component or null if none

getService

public <T> T getService(Class<T> serviceClass)

Description copied from interface: ComponentManager

Gets the service of type serviceClass if such a service was declared by a resolved runtime component.

If the component is not yet activated it will be prior to return the service.

Specified by:

getService in interface ComponentManager

Type Parameters:

T - the service type

Parameters:

serviceClass - the service class

Returns:

the service object

getActivatingRegistrations

public Collection<ComponentName> getActivatingRegistrations()

Description copied from interface: ComponentManager

Gets the pending extensions by component.

Specified by:

getActivatingRegistrations in interface ComponentManager

Returns:

the pending extensions

getStartFailureRegistrations

public Collection<ComponentName> getStartFailureRegistrations()

Description copied from interface: ComponentManager

Gets the components that fail on applicationStarted notification

Specified by:

getStartFailureRegistrations in interface ComponentManager

getRegistrations

protected Collection<ComponentName> getRegistrations(int state)

registerExtension

public void registerExtension(Extension extension)

unregisterExtension

public void unregisterExtension(Extension extension)

loadContributions

public static void loadContributions(RegistrationInfoImpl ri,
                                     Extension xt)

registerServices

public void registerServices(RegistrationInfoImpl ri)

unregisterServices

public void unregisterServices(RegistrationInfoImpl ri)

getServices

public String[] getServices()

Description copied from interface: ComponentManager

Get the list of all registered service names An empty array is returned if no registered services are found.

Specified by:

getServices in interface ComponentManager

Returns:

an array of registered service.

handleError

protected static void handleError(String message,
                                  Exception e)