Package org.apache.felix.framework.wiring

Class BundleRequirementImpl

java.lang.Object

org.apache.felix.framework.wiring.BundleRequirementImpl

All Implemented Interfaces:

BundleRequirement, Requirement

public class BundleRequirementImpl
extends Object
implements BundleRequirement

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,Object>	m_attrs
private final Map<String,String>	m_dirs
private final SimpleFilter	m_filter
private final String	m_namespace
private final boolean	m_optional
private final BundleRevision	m_revision

Constructor Summary

Constructors

Constructor	Description
BundleRequirementImpl(BundleRevision revision, String namespace, Map<String,String> dirs, Map<String,Object> attrs)
BundleRequirementImpl(BundleRevision revision, String namespace, Map<String,String> dirs, Map<String,Object> attrs, SimpleFilter filter)

Method Summary

Modifier and Type	Method	Description
static BundleRequirementImpl	createFrom(BundleRequirementImpl requirement, Function<Object,Object> cache)
Map<String,Object>	getAttributes()	Returns the attributes of this requirement.
Map<String,String>	getDirectives()	Returns the directives of this requirement.
SimpleFilter	getFilter()
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	isOptional()
boolean	matches(BundleCapability cap)	Returns whether the specified capability matches this requirement.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.osgi.resource.Requirement

equals, hashCode

Field Details

m_revision

private final BundleRevision m_revision

m_namespace

private final String m_namespace

m_filter

private final SimpleFilter m_filter

m_optional

private final boolean m_optional

m_dirs

private final Map<String,String> m_dirs

m_attrs

private final Map<String,Object> m_attrs

Constructor Details

BundleRequirementImpl

public BundleRequirementImpl(BundleRevision revision,
 String namespace,
 Map<String,String> dirs,
 Map<String,Object> attrs,
 SimpleFilter filter)

BundleRequirementImpl

public BundleRequirementImpl(BundleRevision revision,
 String namespace,
 Map<String,String> dirs,
 Map<String,Object> attrs)

Method Details

createFrom

public static BundleRequirementImpl createFrom(BundleRequirementImpl requirement,
 Function<Object,Object> cache)

getNamespace

public String getNamespace()

Description copied from interface: BundleRequirement

Returns the namespace of this requirement.

Specified by:

getNamespace in interface BundleRequirement

Specified by:

getNamespace in interface Requirement

Returns:

The namespace of this requirement.

getDirectives

public Map<String,String> getDirectives()

Description copied from interface: BundleRequirement

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 BundleRequirement

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

public Map<String,Object> getAttributes()

Description copied from interface: BundleRequirement

Returns the attributes of this requirement.

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

Specified by:

getAttributes in interface BundleRequirement

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

public BundleRevision getResource()

Description copied from interface: BundleRequirement

Returns the resource declaring this requirement.

This method returns the same value as BundleRequirement.getRevision().

Specified by:

getResource in interface BundleRequirement

Specified by:

getResource in interface Requirement

Returns:

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

getRevision

public BundleRevision getRevision()

Description copied from interface: BundleRequirement

Returns the bundle revision declaring this requirement.

Specified by:

getRevision in interface BundleRequirement

Returns:

The bundle revision declaring this requirement.

matches

public boolean matches(BundleCapability cap)

Description copied from interface: BundleRequirement

Returns whether the specified capability matches this requirement.

Specified by:

matches in interface BundleRequirement

Parameters:

cap - 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.

isOptional

public boolean isOptional()

getFilter

public SimpleFilter getFilter()

toString

public String toString()

Overrides:

toString in class Object