All Known Implementing Classes:
    UIViewRoot, UIForm, UINamingContainer, HtmlForm, UIData, HtmlDataTable

UniqueIdVendor is an interface implemented by UIComponents that also implement NamingContainer so that they can provide unique ids based on their own clientId. This will reduce the amount of id generation variance between different renderings of the same view and is helpful for improved state saving.

since: 2.0 -

 public String createUniqueId(FacesContext context,
    String seed)
Generate an identifier for a component. The identifier
will be prefixed with UNIQUE_ID_PREFIX, and will be unique
within this component-container. Optionally, a unique seed value can
be supplied by component creators which should be
included in the generated unique id.