org.osgi.service.feature

Interface FeatureExtension

@ProviderType
public interface FeatureExtension

A Feature Model Extension. Extensions can contain either Text, JSON or a list of Artifacts.

Extensions are of one of the following kinds:

• Mandatory: this extension must be processed by the runtime
• Optional: this extension does not have to be processed by the runtime
• Transient: this extension contains transient information such as caching data that is for optimization purposes. It may be changed or removed and is not part of the feature's identity.

"ThreadSafe"

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	FeatureExtension.Kind The kind of extension: optional, mandatory or transient.
static class	FeatureExtension.Type The type of extension

Method Summary

Modifier and Type	Method and Description
List<FeatureArtifact>	getArtifacts() Get the Artifacts from this extension.
String	getJSON() Get the JSON from this extension.
FeatureExtension.Kind	getKind() Get the extension kind.
String	getName() Get the extension name.
List<String>	getText() Get the Text from this extension.
FeatureExtension.Type	getType() Get the extension type.

Method Detail

getName

String getName()

Get the extension name.

Returns:

The name.

getType

FeatureExtension.Type getType()

Get the extension type.

Returns:

The type.

getKind

FeatureExtension.Kind getKind()

Get the extension kind.

Returns:

The kind.

getJSON

String getJSON()

Get the JSON from this extension.

Returns:

The JSON.

Throws:

IllegalStateException - If called on an extension which is not of type JSON.

getText

List<String> getText()

Get the Text from this extension.

Returns:

The lines of text. The returned list is unmodifiable.

Throws:

IllegalStateException - If called on an extension which is not of type TEXT.

getArtifacts

List<FeatureArtifact> getArtifacts()

Get the Artifacts from this extension.

Returns:

The Artifacts. The returned list is unmodifiable.

Throws:

IllegalStateException - If called on an extension which is not of type ARTIFACTS.