com.google.inject.spi

Interface PrivateElements

All Superinterfaces:

Element

All Known Implementing Classes:

PrivateElementsImpl

public interface PrivateElements
extends Element

A private collection of elements that are hidden from the enclosing injector or module by default. See PrivateModule for details.

Since:

2.0

Author:

jessewilson@google.com (Jesse Wilson)

Method Summary

Methods

Modifier and Type	Method and Description
List<Element>	getElements() Returns the configuration information in this private environment.
Set<Key<?>>	getExposedKeys() Returns the unique exposed keys for these private elements.
Object	getExposedSource(Key<?> key) Returns an arbitrary object containing information about the "place" where this key was exposed.
Injector	getInjector() Returns the child injector that hosts these private elements, or null if the elements haven't been used to create an injector.

Methods inherited from interface com.google.inject.spi.Element

acceptVisitor, applyTo, getSource

Method Detail

getElements

List<Element> getElements()

Returns the configuration information in this private environment.

getInjector

Injector getInjector()

Returns the child injector that hosts these private elements, or null if the elements haven't been used to create an injector.

getExposedKeys

Set<Key<?>> getExposedKeys()

Returns the unique exposed keys for these private elements.

getExposedSource

Object getExposedSource(Key<?> key)

Returns an arbitrary object containing information about the "place" where this key was exposed. Used by Guice in the production of descriptive error messages.

Tools might specially handle types they know about; StackTraceElement is a good example. Tools should simply call toString() on the source object if the type is unfamiliar.

Parameters:

key - one of the keys exposed by this module.