org.osgi.framework.wiring

Interface BundleRequirement

All Superinterfaces:

Requirement

All Known Implementing Classes:

BundleRequirementImpl, WrappedRequirement

public interface BundleRequirement
extends Requirement

A requirement that has been declared from a bundle revision.

Version:

$Id: 212ffb64f724d982db86ff7e49ed64ea530e670a $

Method Summary

Methods

Modifier and Type	Method and Description
Map<String,Object>	getAttributes() Returns the attributes of this requirement.
Map<String,String>	getDirectives() Returns the directives of this requirement.
String	getNamespace() Returns the namespace of this requirement.
BundleRevision	getResource() Returns the resource declaring this requirement.
BundleRevision	getRevision() Returns the bundle revision declaring this requirement.
boolean	matches(BundleCapability capability) Returns whether the specified capability matches this requirement.

Methods inherited from interface org.osgi.resource.Requirement

equals, hashCode

Method Detail

getRevision

BundleRevision getRevision()

Returns the bundle revision declaring this requirement.

Returns:

The bundle revision declaring this requirement.

matches

boolean matches(BundleCapability capability)

Returns whether the specified capability matches this requirement.

Parameters:

capability - The capability to match to this requirement.

Returns:

true if the specified capability has the same namespace as this requirement and the filter for this requirement matches the attributes of the specified capability; false otherwise.

getNamespace

String getNamespace()

Returns the namespace of this requirement.

Specified by:

getNamespace in interface Requirement

Returns:

The namespace of this requirement.

getDirectives

Map<String,String> getDirectives()

Returns the directives of this requirement.

All requirement directives not specified by the wiring namespaces have no specified semantics and are considered extra user defined information.

Specified by:

getDirectives in interface Requirement

Returns:

An unmodifiable map of directive names to directive values for this requirement, or an empty map if this requirement has no directives.

getAttributes

Map<String,Object> getAttributes()

Returns the attributes of this requirement.

Requirement attributes have no specified semantics and are considered extra user defined information.

Specified by:

getAttributes in interface Requirement

Returns:

An unmodifiable map of attribute names to attribute values for this requirement, or an empty map if this requirement has no attributes.

getResource

BundleRevision getResource()

Returns the resource declaring this requirement.

This method returns the same value as getRevision().

Specified by:

getResource in interface Requirement

Returns:

The resource declaring this requirement. This can be null if this requirement is synthesized.

Since:

1.1