org.osgi.service.blueprint.reflect
Interface ComponentMetadata

All Superinterfaces:

Metadata, NonNullMetadata

All Known Subinterfaces:

BeanMetadata, ReferenceListMetadata, ReferenceMetadata, ServiceMetadata, ServiceReferenceMetadata

public interface ComponentMetadata
extends NonNullMetadata

Metadata for managed components. This is the base type for BeanMetadata, ServiceMetadata and ServiceReferenceMetadata.

ThreadSafe

Field Summary

static int	ACTIVATION_EAGER The component's manager must eagerly activate the component.
static int	ACTIVATION_LAZY The component's manager must lazily activate the component.

Method Summary

int	getActivation() Return the activation strategy for the component.
java.util.List<java.lang.String>	getDependsOn() Return the ids of any components listed in a depends-on attribute for the component.
java.lang.String	getId() Return the id of the component.

Field Detail

ACTIVATION_EAGER

static final int ACTIVATION_EAGER

The component's manager must eagerly activate the component.

See Also:

getActivation(), Constant Field Values

ACTIVATION_LAZY

static final int ACTIVATION_LAZY

The component's manager must lazily activate the component.

See Also:

getActivation(), Constant Field Values

Method Detail

getId

java.lang.String getId()

Return the id of the component.

Returns:

The id of the component. The component id can be null if this is an anonymously defined and/or inlined component.

getActivation

int getActivation()

Return the activation strategy for the component. This is specified by the activation attribute of a component definition. If this is not set, then the default-activation in the blueprint element is used. If that is also not set, then the activation strategy is ACTIVATION_EAGER.

Returns:

The activation strategy for the component.

See Also:

ACTIVATION_EAGER, ACTIVATION_LAZY

getDependsOn

java.util.List<java.lang.String> getDependsOn()

Return the ids of any components listed in a depends-on attribute for the component.

Returns:

An immutable List of component ids that are explicitly declared as a dependency, or an empty List if none.