Interface PersistentFieldManager
- All Known Implementing Classes:
PersistentFieldManagerImpl
Handle persistent property changes. Primarily, delegates to a number of
PersistentFieldStrategy
instances.-
Method Summary
Modifier and TypeMethodDescriptionvoid
discardChanges
(String pageName) Discards all changes for the indicated page.void
discardChanges
(String pageName, String strategyName) Discards changes on the indicated page for a specific strategy only.gatherChanges
(String pageName) Locates all persistently stored changes to all properties within the page (for the current session and request) and gathers them together into a bundle.void
postChange
(String pageName, ComponentResources resources, String fieldName, Object newValue) Posts a change of a persistent property.
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Method Details
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postChange
Posts a change of a persistent property.- Parameters:
pageName
- the logical name of the page containing the componentresources
- the resources for the component or mixin (used to determine the persistence strategy)fieldName
- the name of the field whose persistent value has changednewValue
- the new value for the field, possibly null
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gatherChanges
Locates all persistently stored changes to all properties within the page (for the current session and request) and gathers them together into a bundle.- Parameters:
pageName
- the logical name of the page to gather changes for- Returns:
- a bundle identifying all such changes
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discardChanges
Discards all changes for the indicated page. This will not affect pages that have already been attached to this request, but will affect subsequent page attachments in this and later requests.- Parameters:
pageName
- logical name of page whose persistent field data is to be discarded
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discardChanges
Discards changes on the indicated page for a specific strategy only. This will not affect pages that have already been attached to this request, but will affect subsequent page attachments in this and later requests.- Parameters:
pageName
- logical name of page whose persistent field data is to be discardedstrategyName
- name of the strategy of which field data is to be discarded
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