Package org.apache.tapestry5.services.pageload

## Class PageClassLoaderContextManagerImpl

- java.lang.Object
- - org.apache.tapestry5.services.pageload.PageClassLoaderContextManagerImpl

- All Implemented Interfaces:
    `PageClassLoaderContextManager`

      public class PageClassLoaderContextManagerImpl
      extends java.lang.Object
      implements PageClassLoaderContextManager

  Default PageClassLoaderContextManager implementation.
  Since:
    5.8.3

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `PageClassLoaderContextManagerImpl​(ComponentDependencyRegistry componentDependencyRegistry, ComponentClassResolver componentClassResolver, InternalComponentInvalidationEventHub invalidationHub, InvalidationEventHub componentClassesInvalidationEventHub, boolean productionMode, boolean multipleClassLoaders)` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `clear()` | Clears any state held by this manager.
    `void` | `clear​(java.lang.String className)` | Removes one specific class from this manager, invalidating the context where it is.
    `PageClassLoaderContext` | `get​(java.lang.String className)` | Processes a class, given its class name and the root context.
    `java.lang.Class<?>` | `getClassInstance​(java.lang.Class<?> clasz, java.lang.String pageName)` | Returns the Class instance appropriate for a given component given a page name.
    `PageClassLoaderContext` | `getRoot()` | Returns the root context.
    `void` | `initialize​(PageClassLoaderContext root, java.util.function.Function<java.lang.ClassLoader,​PlasticProxyFactory> plasticProxyFactoryProvider)` | Initializes this service with the root context and a Plastic proxy factory provider.
    `java.util.Set<java.lang.String>` | `invalidate​(PageClassLoaderContext... contexts)` | Invalidates page classloader contexts and returns a set containing the names of all classes that should be invalidated.
    `void` | `invalidateAndFireInvalidationEvents​(PageClassLoaderContext... contexts)` | Invalidates page classloader contexts and invalidates the classes in the context as well.
    `void` | `invalidateUnknownContext()` | Invalidates the "unknown" page classloader context context.
    `boolean` | `isMerging()` | Returns whether contexts are being merged.
    `void` | `preload()` | Preloads all data, first by collecting dependency data for all existing pages and the components, mixins and superclasses they use, then creating the page classloader contexts.

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

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

- - ### Constructor Detail

    - #### PageClassLoaderContextManagerImpl

          public PageClassLoaderContextManagerImpl​(ComponentDependencyRegistry componentDependencyRegistry,
                                                   ComponentClassResolver componentClassResolver,
                                                   InternalComponentInvalidationEventHub invalidationHub,
                                                   @ComponentClasses
                                                   InvalidationEventHub componentClassesInvalidationEventHub,
                                                   @Symbol("tapestry.production-mode")
                                                   boolean productionMode,
                                                   @Symbol("tapestry.multiple-classloaders")
                                                   boolean multipleClassLoaders)

  - ### Method Detail

    - #### invalidateUnknownContext

          public void invalidateUnknownContext()

      Description copied from interface: `PageClassLoaderContextManager`
      Invalidates the "unknown" page classloader context context.
      Specified by:
        `invalidateUnknownContext` in interface `PageClassLoaderContextManager`

    - #### initialize

          public void initialize​(PageClassLoaderContext root,
                                 java.util.function.Function<java.lang.ClassLoader,​PlasticProxyFactory> plasticProxyFactoryProvider)

      Description copied from interface: `PageClassLoaderContextManager`
      Initializes this service with the root context and a Plastic proxy factory provider. Method can only be called once. None of the parameters may be null.
      Specified by:
        `initialize` in interface `PageClassLoaderContextManager`

    - #### get

          public PageClassLoaderContext get​(java.lang.String className)

      Description copied from interface: `PageClassLoaderContextManager`
      Processes a class, given its class name and the root context.
      Specified by:
        `get` in interface `PageClassLoaderContextManager`
      Parameters:
        `className` - the class fully qualified name. ClassLoader} and returns a new PlasticProxyFactory.
      Returns:
        the `PageClassLoaderContext` associated with that class.

    - #### clear

          public void clear​(java.lang.String className)

      Description copied from interface: `PageClassLoaderContextManager`
      Removes one specific class from this manager, invalidating the context where it is.
      Specified by:
        `clear` in interface `PageClassLoaderContextManager`

    - #### invalidate

          public java.util.Set<java.lang.String> invalidate​(PageClassLoaderContext... contexts)

      Description copied from interface: `PageClassLoaderContextManager`
      Invalidates page classloader contexts and returns a set containing the names of all classes that should be invalidated.
      Specified by:
        `invalidate` in interface `PageClassLoaderContextManager`

    - #### invalidateAndFireInvalidationEvents

          public void invalidateAndFireInvalidationEvents​(PageClassLoaderContext... contexts)

      Description copied from interface: `PageClassLoaderContextManager`
      Invalidates page classloader contexts and invalidates the classes in the context as well.
      Specified by:
        `invalidateAndFireInvalidationEvents` in interface `PageClassLoaderContextManager`

    - #### getRoot

          public PageClassLoaderContext getRoot()

      Description copied from interface: `PageClassLoaderContextManager`
      Returns the root context.
      Specified by:
        `getRoot` in interface `PageClassLoaderContextManager`

    - #### isMerging

          public boolean isMerging()

      Description copied from interface: `PageClassLoaderContextManager`
      Returns whether contexts are being merged.
      Specified by:
        `isMerging` in interface `PageClassLoaderContextManager`

    - #### clear

          public void clear()

      Description copied from interface: `PageClassLoaderContextManager`
      Clears any state held by this manager.
      Specified by:
        `clear` in interface `PageClassLoaderContextManager`

    - #### getClassInstance

          public java.lang.Class<?> getClassInstance​(java.lang.Class<?> clasz,
                                                     java.lang.String pageName)

      Description copied from interface: `PageClassLoaderContextManager`
      Returns the Class instance appropriate for a given component given a page name.
      Specified by:
        `getClassInstance` in interface `PageClassLoaderContextManager`
      Parameters:
        `clasz` - the class instance.
        `pageName` - the page name.
      Returns:
        a Class instance.

    - #### preload

          public void preload()

      Description copied from interface: `PageClassLoaderContextManager`
      Preloads all data, first by collecting dependency data for all existing pages and the components, mixins and superclasses they use, then creating the page classloader contexts.
      Specified by:
        `preload` in interface `PageClassLoaderContextManager`