Interface ComponentTemplateSource
- All Known Implementing Classes:
ComponentTemplateSourceImpl
public interface ComponentTemplateSource
Provides access to cached
ComponentTemplate
s. The source acts as a
invalidation event hub, and will broadcast invalidation events when any loaded template resource changes. The
listener for these invalidation events is the page source, which stores cached page instances.
Any search for a template will end with success (a non-null template), but the template returned may be the
missing template
.-
Method Summary
Modifier and TypeMethodDescriptionEvent hub used to notify listeners that underlying component template files have changed.getTemplate
(ComponentModel componentModel, ComponentResourceSelector selector) Provides access to a template.
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Method Details
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getTemplate
Provides access to a template. The template will be parsed as necessary. If no template for the exact component is found, then the template for the component's parent is returned. In this way, it is possible for a component to extend the behavior of its super-class without duplicating the super-class component's template. In some cases, the empty template will be returned.- Parameters:
componentModel
- model for the component whose template is to be accessedselector
- defines locale and other information needed to locate template- Returns:
- the cached template instance
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getInvalidationEventHub
Event hub used to notify listeners that underlying component template files have changed.- Since:
- 5.1.0.0
- See Also:
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