# Uses of Interface
org.apache.tapestry5.services.meta.MetaWorker

Packages that use MetaWorker
Package
Description
org.apache.tapestry5.internal.services.meta
[INTERNAL USE ONLY] metadata support classes; API subject to change
org.apache.tapestry5.modules

- ## Uses of MetaWorker in org.apache.tapestry5.internal.services.meta

  Classes in org.apache.tapestry5.internal.services.meta that implement MetaWorker
  Modifier and Type
  Class
  Description
  `class`
  `MetaWorkerImpl`

- ## Uses of MetaWorker in org.apache.tapestry5.modules

  Methods in org.apache.tapestry5.modules with parameters of type MetaWorker
  Modifier and Type
  Method
  Description
  `static void`
  TapestryModule.`provideTransformWorkers(OrderedConfiguration<ComponentClassTransformWorker2> configuration, MetaWorker metaWorker, ComponentClassResolver resolver, ComponentDependencyRegistry componentDependencyRegistry, PropertyValueProviderWorker propertyValueProviderWorker, boolean productionMode, boolean multipleClassloaders)`
  Adds a number of standard component class transform workers: Parameter Identifies parameters based on the `Parameter` annotation BindParameter Support for the `BindParameter` annotation Property Generates accessor methods if `Property` annotation is present Import Supports the `Import` annotation UnclaimedField Manages unclaimed fields, storing their value in a `PerThreadValue` OnEvent Handle the @OnEvent annotation, and related naming convention RenderCommand Ensures all components also implement `RenderCommand` SupportsInformalParameters Checks for the annotation RenderPhase Link in render phase methods Retain Allows fields to retain their values between requests Meta Checks for meta data annotations and adds it to the component model PageActivationContext Support for `PageActivationContext` annotation DiscardAfter Support for `DiscardAfter` method annotation MixinAfter Support for the `MixinAfter` mixin class annotation PageReset Checks for the `PageReset` annotation Mixin Adds a mixin as part of a component's implementation Cached Checks for the `Cached` annotation ActivationRequestParameter Support for the `ActivationRequestParameter` annotation PageLoaded, PageAttached, PageDetached Support for annotations `PageLoaded`, `PageAttached`, `PageDetached` InjectService Handles the `InjectService` annotation Component Defines embedded components based on the `Component` annotation Environment Allows fields to contain values extracted from the `Environment` service ApplicationState Converts fields that reference application state objects Persist Allows fields to store their their value persistently between requests via `Persist` SessionAttribute Support for the `SessionAttribute` Log Checks for the `Log` annotation HeartbeatDeferred Support for the `HeartbeatDeferred` annotation, which defers method invocation to the end of the `Heartbeat` Inject Used with the `Inject` annotation, when a value is supplied Operation Support for the `Operation` method annotation