# Package org.eclipse.ui.services

package org.eclipse.ui.services

Classes for service support.

## Package Specification

This package has the base service support API. IServiceLocator is used to retrieve any of the services contributed to the workbench, workbench window, or part site.

Related Packages
Package
Description
org.eclipse.ui
Application programming interfaces for interaction with and extension of the Eclipse Platform User Interface.
Class
Description
AbstractServiceFactory
A factory for creating services for use with the `org.eclipse.ui.services` extension point.
IDisposable
The interface that should be implemented by services that make themselves available through the `IAdaptable` mechanism.
IEvaluationReference
A token representing a core expression and property change listener currently working in the `IEvaluationService`.
IEvaluationService
Evaluate a core expression against the workbench application context and report updates using a Boolean property.
IServiceLocator
A component with which one or more services are registered.
IServiceScopes
Different levels of service locators supported by the workbench.
IServiceWithSources
A service that responds to changes in one or more sources.
ISourceProviderService
A service from which all of the source providers can be retrieved.