com.facebook.buck.core.rules.providers.annotations

Annotation Type ImmutableInfo

@Target(value={TYPE,PACKAGE,ANNOTATION_TYPE})
 @Retention(value=RUNTIME)
public @interface ImmutableInfo

Annotation marking a class as an immutable built in implementation of ProviderInfo.

This uses the immutable library to generate an implementation class that conforms to the requirements of providers declared in java.

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
String[]	args TODO this is here because java reflection doesn't expose parameter names, and methods can't be retrieved in order of declaration.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
String[]	defaultSkylarkValues
String[]	noneable

Element Detail

args

public abstract String[] args

TODO this is here because java reflection doesn't expose parameter names, and methods can't be retrieved in order of declaration. We should just have some custom annotation processor to generate this.

Returns:

an array of Strings that represent the names of the constructor parameters in order of declared methods. This should be in the lower underscore naming convention for python.

defaultSkylarkValues

public abstract String[] defaultSkylarkValues

Returns:

an array of string representations of default values to use in the Starlark interpreter if a kwarg is not provided.

Default:

{}

noneable

public abstract String[] noneable

Returns:

an array of fields that should be noneable

Default:

{}