org.osgi.service.blueprint.reflect

Interface ComponentMetadata

All Superinterfaces:

Metadata, NonNullMetadata

All Known Subinterfaces:

BeanMetadata, ReferenceListMetadata, ReferenceMetadata, ServiceMetadata, ServiceReferenceMetadata

@ConsumerType
public interface ComponentMetadata
extends NonNullMetadata

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

"ThreadSafe"

Field Summary

Fields

Modifier and Type	Field and Description
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

Modifier and Type	Method and Description
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.