org.apache.felix.ipojo.handlers.event.publisher
Class EventAdminPublisherHandler

java.lang.Object
  org.apache.felix.ipojo.Handler
      org.apache.felix.ipojo.PrimitiveHandler
          org.apache.felix.ipojo.handlers.event.publisher.EventAdminPublisherHandler

All Implemented Interfaces:

FieldInterceptor, MethodInterceptor

public class EventAdminPublisherHandler
extends PrimitiveHandler

Event Publisher Handler.

Author:

Felix Project Team

Field Summary

static String	NAMESPACE The handler Namespace.
static String	TOPICS_PROPERTY The names of instance configuration properties.

Fields inherited from class org.apache.felix.ipojo.PrimitiveHandler

HANDLER_TYPE

Fields inherited from class org.apache.felix.ipojo.Handler

HANDLER_LEVEL_PROPERTY, HANDLER_NAME_PROPERTY, HANDLER_NAMESPACE_PROPERTY, HANDLER_TYPE_PROPERTY, m_instance, m_isValid

Constructor Summary

EventAdminPublisherHandler()

Method Summary

void	configure(Element metadata, Dictionary conf) Constructor.
EventAdmin	getEventAdminService() This method is called by managed publishers to obtain the current EventAdmin service.
void	initializeComponentFactory(ComponentTypeDescription cd, Element metadata) Initializes the component type.
Object	onGet(Object pojo, String fieldName, Object value) Field interceptor callback.
void	start() Starts the handler instance.
void	stop() Stops the handler instance.

Methods inherited from class org.apache.felix.ipojo.PrimitiveHandler

attach, getFactory, getHandler, getInstanceManager, getLogger, getPojoMetadata, onCreation, onEntry, onError, onExit, onFinally, onSet, setFactory

Methods inherited from class org.apache.felix.ipojo.Handler

debug, error, error, getDescription, getHandlerManager, getValidity, info, isValid, reconfigure, setValidity, stateChanged, warn, warn

Methods inherited from class java.lang.Object

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

Field Detail

NAMESPACE

public static final String NAMESPACE

The handler Namespace.

See Also:

Constant Field Values

TOPICS_PROPERTY

public static final String TOPICS_PROPERTY

The names of instance configuration properties.

See Also:

Constant Field Values

Constructor Detail

EventAdminPublisherHandler

public EventAdminPublisherHandler()

Method Detail

initializeComponentFactory

public void initializeComponentFactory(ComponentTypeDescription cd,
                                       Element metadata)
                                throws ConfigurationException

Initializes the component type.

Overrides:

initializeComponentFactory in class Handler

Parameters:

cd - the component type description to populate

metadata - the component type metadata

Throws:

ConfigurationException - if the given metadata is incorrect.

See Also:

org.apache.felix.ipojo.Handler#initializeComponentFactory(org.apache.felix.ipojo.architecture.ComponentDescription, org.apache.felix.ipojo.metadata.Element)

configure

public void configure(Element metadata,
                      Dictionary conf)
               throws ConfigurationException

Constructor.

Specified by:

configure in class Handler

Parameters:

metadata - the component type metadata

conf - the instance configuration

Throws:

ConfigurationException - if one event publication is not correct

See Also:

org.apache.felix.ipojo.Handler#configure(org.apache.felix.ipojo.InstanceManager, org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)

start

public void start()

Starts the handler instance. This method does nothing.

Specified by:

start in class Handler

stop

public void stop()

Stops the handler instance. This method does nothing.

Specified by:

stop in class Handler

onGet

public Object onGet(Object pojo,
                    String fieldName,
                    Object value)

Field interceptor callback. This method is called when the component attempt to one of its Publisher field.

Specified by:

onGet in interface FieldInterceptor

Overrides:

onGet in class PrimitiveHandler

Parameters:

pojo - the accessed field

fieldName - the name of the accessed field

value - the value of the field (useless here)

Returns:

the Publisher associated with the accessed field's name

getEventAdminService

public EventAdmin getEventAdminService()

This method is called by managed publishers to obtain the current EventAdmin service.

Returns:

the current EventAdmin service.