Package jakarta.faces.component
Interface UniqueIdVendor
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- All Known Implementing Classes:
HtmlDataTable
,HtmlForm
,UIData
,UIForm
,UINamingContainer
,UIViewRoot
public interface UniqueIdVendor
UniqueIdVendor is an interface implemented by
UIComponents
that also implementNamingContainer
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
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description String
createUniqueId(FacesContext context, String seed)
Generate an identifier for a component.
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Method Detail
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createUniqueId
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.
- Parameters:
context
- FacesContextseed
- an optional seed value - e.g. based on the position of the component in the VDL-template- Returns:
- a unique-id in this component-container
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