# Package org.apache.tapestry5.runtime

Contains interfaces that are added to component classes at runtime.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  Component | Interface that defines the lifecycle of a component, within a page, allowing for callbacks into the component for many different events.
  ComponentEvent | An event that may originate in application logic, or as a result of a client interaction (a GET or POST from the client).
  ComponentResourcesAware | Interface implemented by components (after they have been transformed at load time).
  Event | The core methods related to event handling.
  PageLifecycleCallbackHub | Defines a way for different aspects of a page to add callbacks for important lifecycle events.
  PageLifecycleListener | Deprecated in 5.3.4, replaced with `PageLifecycleCallbackHub`
  RenderCommand | A command used during rendering of a page.
  RenderQueue | A stateful object that manages the process of rendering a page.

- Class Summary
  Class | Description
  --- | ---
  PageLifecycleAdapter | Deprecated in 5.3.4, as `PageLifecycleListener` has been deprecated

- Exception Summary
  Exception | Description
  --- | ---
  ComponentEventException | A wrapper exception around any exception thrown when invoking a component event handler.

## Package org.apache.tapestry5.runtime Description

Contains interfaces that are added to component classes at runtime. These interfaces are added using Tapestry built-in AOP support.

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