org.apache.aries.blueprint.ext
Interface DependentComponentFactoryMetadata

All Superinterfaces:

ComponentFactoryMetadata, org.osgi.service.blueprint.reflect.ComponentMetadata, org.osgi.service.blueprint.reflect.Metadata, org.osgi.service.blueprint.reflect.NonNullMetadata, org.osgi.service.blueprint.reflect.Target

public interface DependentComponentFactoryMetadata
extends ComponentFactoryMetadata

Metadata for custom components that need to plug in to the Blueprint container lifecycle for beans

Nested Class Summary

static interface

DependentComponentFactoryMetadata.SatisfactionCallback Interface that allows to notify the container when the dependencies of the component become satisfied or unsatified.

Field Summary

Fields inherited from interface org.osgi.service.blueprint.reflect.ComponentMetadata

ACTIVATION_EAGER, ACTIVATION_LAZY

Method Summary

String	getDependencyDescriptor() Return a string representation of the dependencies of this component.
boolean	isSatisfied() Are all dependencies of this component satisfied?
void	startTracking(DependentComponentFactoryMetadata.SatisfactionCallback observer) Start tracking the dependencies for this component.
void	stopTracking() Stop tracking the dependencies for this component.

Methods inherited from interface org.apache.aries.blueprint.ext.ComponentFactoryMetadata

create, destroy, init

Methods inherited from interface org.osgi.service.blueprint.reflect.ComponentMetadata

getActivation, getDependsOn, getId

Method Detail

startTracking

void startTracking(DependentComponentFactoryMetadata.SatisfactionCallback observer)

Start tracking the dependencies for this component.

Parameters:

observer - The container callback for alerting the container of status changes

stopTracking

void stopTracking()

Stop tracking the dependencies for this component.

getDependencyDescriptor

String getDependencyDescriptor()

Return a string representation of the dependencies of this component. This will be used in diagnostics as well as the GRACE_PERIOD event.

Returns:

isSatisfied

boolean isSatisfied()

Are all dependencies of this component satisfied?

Returns: