org.apache.tapestry5.internal.services

## Class PageSourceImpl

- java.lang.Object
- - org.apache.tapestry5.internal.services.PageSourceImpl

- All Implemented Interfaces:
    PageSource

      public class PageSourceImpl
      extends java.lang.Object
      implements PageSource

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `PageSourceImpl(PageLoader pageLoader, ComponentRequestSelectorAnalyzer selectorAnalyzer)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `clearCache()` Clears the source's cache of loaded pages.
    `java.util.Set<Page>` | `getAllPages()` Returns all currently loaded pages.
    `Page` | `getPage(java.lang.String canonicalPageName)` Returns a loaded instance of the indicated page, using the Locale and other information from the `ComponentResourceSelector` obtained from the `ComponentRequestSelectorAnalyzer`.
    `void` | `setupInvalidation(InvalidationEventHub classesHub, InvalidationEventHub templatesHub, InvalidationEventHub messagesHub, ResourceChangeTracker resourceChangeTracker)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### PageSourceImpl

          public PageSourceImpl(PageLoader pageLoader,
                                ComponentRequestSelectorAnalyzer selectorAnalyzer)

  - ### Method Detail

    - #### getPage

          public Page getPage(java.lang.String canonicalPageName)

      Description copied from interface: `PageSource`
      Returns a loaded instance of the indicated page, using the Locale and other information from the `ComponentResourceSelector` obtained from the `ComponentRequestSelectorAnalyzer`.
      Specified by:
        `getPage` in interface `PageSource`
      Returns:
        existing, or newly created, page instance

    - #### setupInvalidation

          @PostInjection
          public void setupInvalidation(@ComponentClasses
                                                       InvalidationEventHub classesHub,
                                                       @ComponentTemplates
                                                       InvalidationEventHub templatesHub,
                                                       @ComponentMessages
                                                       InvalidationEventHub messagesHub,
                                                       ResourceChangeTracker resourceChangeTracker)

    - #### clearCache

          public void clearCache()

      Description copied from interface: `PageSource`
      Clears the source's cache of loaded pages. This occurs when an outside change to the world invalidates created page instances. Introduced to handle the case where a page has a `DynamicTemplate`, but the underlying `Resource` is noticed to have changed.
      Specified by:
        `clearCache` in interface `PageSource`

    - #### getAllPages

          public java.util.Set<Page> getAllPages()

      Description copied from interface: `PageSource`
      Returns all currently loaded pages. This will include any previously loaded pages not yet reclaimed by the garbage collector, and may include the same page loaded for different `ComponentResourceSelector`s. This is needed for reporting purposes only.
      Specified by:
        `getAllPages` in interface `PageSource`
      See Also:
        `PageCatalog`

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