Package org.apache.tapestry5.runtime
Interface PageLifecycleCallbackHub
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- All Known Subinterfaces:
Page
- All Known Implementing Classes:
PageImpl
public interface PageLifecycleCallbackHub
Defines a way for different aspects of a page to add callbacks for important lifecycle events.- Since:
- 5.3.4
- See Also:
ComponentResources.getPageLifecycleCallbackHub()
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
addPageAttachedCallback(java.lang.Runnable callback)
Adds a callback for when the page is attached to the request.void
addPageDetachedCallback(java.lang.Runnable callback)
Adds a callback for when the page is detached from the request.void
addPageLoadedCallback(java.lang.Runnable callback)
Adds a callback for when the page is first loaded.void
addResetCallback(java.lang.Runnable callback)
A reset occurs when a request for a page arrives that did not originate on the same page.void
addVerifyCallback(java.lang.Runnable callback)
Adds a verify callback, which is allowed while the page is loading.
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Method Detail
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addPageLoadedCallback
void addPageLoadedCallback(java.lang.Runnable callback)
Adds a callback for when the page is first loaded. Callbacks are invoked in the order they are added to the page. They are invoked once and then discarded.- Parameters:
callback
- invoked once, when page is first loaded- Since:
- 5.3.4
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addPageAttachedCallback
void addPageAttachedCallback(java.lang.Runnable callback)
Adds a callback for when the page is attached to the request.- Parameters:
callback
-- Since:
- 5.3.4
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addPageDetachedCallback
void addPageDetachedCallback(java.lang.Runnable callback)
Adds a callback for when the page is detached from the request.- Parameters:
callback
-- Since:
- 5.3.4
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addVerifyCallback
void addVerifyCallback(java.lang.Runnable callback)
Adds a verify callback, which is allowed while the page is loading. Such callbacks are invoked once, after the page has been loaded successfully, and are then discarded. This was added specifically to ensure that components only verify that required parameters are bound after all components and mixins of the page have had a chance to initialize.- Parameters:
callback
- to be invoked after page loaded- Since:
- 5.3
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addResetCallback
void addResetCallback(java.lang.Runnable callback)
A reset occurs when a request for a page arrives that did not originate on the same page. This gives the application a chance to reset the state of the page.- Parameters:
callback
- invoked when a page is activated by link from some other page.
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