Knopflerfish OSGi 5.2.0

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.

Author:
$Id: 5c09016d7b238d1a3bc94216dd58d2e3d5909288 $
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.

Knopflerfish OSGi 5.2.0