Class PersistentFieldManagerImpl
java.lang.Object
org.apache.tapestry5.internal.services.PersistentFieldManagerImpl
- All Implemented Interfaces:
PersistentFieldManager
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Constructor Summary
ConstructorsConstructorDescriptionPersistentFieldManagerImpl
(MetaDataLocator locator, Map<String, PersistentFieldStrategy> strategies) -
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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Constructor Details
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PersistentFieldManagerImpl
public PersistentFieldManagerImpl(MetaDataLocator locator, Map<String, PersistentFieldStrategy> strategies)
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Method Details
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gatherChanges
Description copied from interface:PersistentFieldManager
Locates all persistently stored changes to all properties within the page (for the current session and request) and gathers them together into a bundle.- Specified by:
gatherChanges
in interfacePersistentFieldManager
- Parameters:
pageName
- the logical name of the page to gather changes for- Returns:
- a bundle identifying all such changes
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discardChanges
Description copied from interface:PersistentFieldManager
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.- Specified by:
discardChanges
in interfacePersistentFieldManager
- Parameters:
pageName
- logical name of page whose persistent field data is to be discarded
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discardChanges
Description copied from interface:PersistentFieldManager
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.- Specified by:
discardChanges
in interfacePersistentFieldManager
- 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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postChange
public void postChange(String pageName, ComponentResources resources, String fieldName, Object newValue) Description copied from interface:PersistentFieldManager
Posts a change of a persistent property.- Specified by:
postChange
in interfacePersistentFieldManager
- 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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