Interface ResourceChangeTracker
- All Superinterfaces:
InvalidationEventHub
,ResourceDependencies
- All Known Implementing Classes:
ResourceChangeTrackerImpl
Tracks resources (at least, resources that can change because they are on the file system) and
acts as an
UpdateListener
to check for changes and notify its listeners.- Since:
- 5.3
-
Method Summary
Modifier and TypeMethodDescriptionvoid
Informs this service that no component class is associated with the resources being loaded.void
Forces an invalidation event.void
setCurrentClassName
(String className) Informs this service that the resources being loaded are associated with a given Tapestry component (i.e.long
trackResource
(Resource resource) Start tracking the resource (or return the last modified time of an already tracked resource).Methods inherited from interface org.apache.tapestry5.commons.services.InvalidationEventHub
addInvalidationCallback, addInvalidationCallback, addInvalidationListener, clearOnInvalidation, fireInvalidationEvent
Methods inherited from interface org.apache.tapestry5.services.assets.ResourceDependencies
addDependency
-
Method Details
-
trackResource
Start tracking the resource (or return the last modified time of an already tracked resource). Only file system resources are tracked. Resources are tracked until any resource changes, at which points listeners are notified and the internal state is cleared.- Parameters:
resource
- to track- Returns:
- last modified time, to nearest second
- See Also:
-
forceInvalidationEvent
void forceInvalidationEvent()Forces an invalidation event. This is required in a rare case, to clear out aStreamableResource
generated from the component message catalog; there are some walls in place that prevent the message catalog's underlyingResource
s from being exposed.- Since:
- 5.4
- See Also:
-
setCurrentClassName
Informs this service that the resources being loaded are associated with a given Tapestry component (i.e. component, page, mixin and base) component class.- Parameters:
className
- The fully classified class name of the component or page associated with the current resources being processed.- Since:
- 5.8.3
-
clearCurrentClassName
void clearCurrentClassName()Informs this service that no component class is associated with the resources being loaded.- Since:
- 5.8.3
-