org.jboss.osgi.resolver.spi
Class AbstractBundleRequirement

java.lang.Object
  org.jboss.osgi.resolver.spi.AbstractRequirement
      org.jboss.osgi.resolver.spi.AbstractBundleRequirement

All Implemented Interfaces:

XAttachmentSupport, XAttributeSupport, XBundleRequirement, XDirectiveSupport, XElement, XRequirement, BundleRequirement, Requirement

public class AbstractBundleRequirement
extends AbstractRequirement
implements XBundleRequirement

The abstract implementation of an XBundleRequirement.

Since:

30-May-2012

Author:

thomas.diesler@jboss.com

Constructor Summary

AbstractBundleRequirement(XResource resource, String namespace, Map<String,Object> atts, Map<String,String> dirs)

Method Summary

<T> T	addAttachment(Class<T> clazz, T value) Attach an arbirtary object with this element.
<T> T	getAttachment(Class<T> clazz) Get the attached object for a given key
BundleRevision	getResource() Returns the resource declaring this requirement.
BundleRevision	getRevision() Returns the bundle revision declaring this requirement.
boolean	matches(BundleCapability cap) Returns whether the specified capability matches this requirement.
<T> T	removeAttachment(Class<T> clazz) Remove an attached object for a given key

Methods inherited from class org.jboss.osgi.resolver.spi.AbstractRequirement

adapt, getAttribute, getAttributes, getDirective, getDirectives, getFilterFromDirective, getNamespace, isOptional, matches, namespaceValueFromFilter, toString, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.osgi.resolver.XRequirement

adapt, isOptional, matches, validate

Methods inherited from interface org.jboss.osgi.resolver.XAttachmentSupport

addAttachment, getAttachment, removeAttachment

Methods inherited from interface org.jboss.osgi.resolver.XAttributeSupport

getAttribute, getAttributes

Methods inherited from interface org.jboss.osgi.resolver.XDirectiveSupport

getDirective, getDirectives

Methods inherited from interface org.osgi.framework.wiring.BundleRequirement

getAttributes, getDirectives, getNamespace

Methods inherited from interface org.osgi.resource.Requirement

equals, hashCode

Constructor Detail

AbstractBundleRequirement

public AbstractBundleRequirement(XResource resource,
                                 String namespace,
                                 Map<String,Object> atts,
                                 Map<String,String> dirs)

Method Detail

getResource

public BundleRevision getResource()

Description copied from interface: Requirement

Returns the resource declaring this requirement.

Specified by:

getResource in interface BundleRequirement

Specified by:

getResource in interface Requirement

Overrides:

getResource in class AbstractRequirement

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.

addAttachment

public <T> T addAttachment(Class<T> clazz,
                           T value)

Description copied from interface: XAttachmentSupport

Attach an arbirtary object with this element.

Specified by:

addAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The previously attachment object or null

getAttachment

public <T> T getAttachment(Class<T> clazz)

Description copied from interface: XAttachmentSupport

Get the attached object for a given key

Specified by:

getAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The attached object or null

removeAttachment

public <T> T removeAttachment(Class<T> clazz)

Description copied from interface: XAttachmentSupport

Remove an attached object for a given key

Specified by:

removeAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The attached object or null