Class ViewScopeManager

    • Field Detail

      • PARAM_NAME_MAX_ACTIVE_VIEW_SCOPES

        public static final String PARAM_NAME_MAX_ACTIVE_VIEW_SCOPES
        OmniFaces specific context parameter name of maximum active view scopes in session.
        See Also:
        Constant Field Values
      • PARAM_NAME_MOJARRA_NUMBER_OF_VIEWS

        public static final String PARAM_NAME_MOJARRA_NUMBER_OF_VIEWS
        Mojarra specific context parameter name of maximum number of logical views in session.
        See Also:
        Constant Field Values
      • PARAM_NAME_MYFACES_NUMBER_OF_VIEWS

        public static final String PARAM_NAME_MYFACES_NUMBER_OF_VIEWS
        MyFaces specific context parameter name of maximum number of views in session.
        See Also:
        Constant Field Values
      • DEFAULT_MAX_ACTIVE_VIEW_SCOPES

        public static final int DEFAULT_MAX_ACTIVE_VIEW_SCOPES
        Default value of maximum active view scopes in session.
        See Also:
        Constant Field Values
    • Constructor Detail

      • ViewScopeManager

        public ViewScopeManager()
    • Method Detail

      • createBean

        @Deprecated(since="4.5",
                    forRemoval=true)
        public <T> T createBean​(Contextual<T> type,
                                CreationalContext<T> context)
        Deprecated, for removal: This API element is subject to removal in a future version.
        Create and returns the CDI view scoped managed bean from the current Faces view scope.
        Type Parameters:
        T - The expected return type.
        Parameters:
        type - The contextual type of the CDI managed bean.
        context - The CDI context to create the CDI managed bean in.
        Returns:
        The created CDI view scoped managed bean from the current Faces view scope.
      • getBean

        public <T> T getBean​(Contextual<T> type,
                             CreationalContext<T> context)
        Returns the CDI view scoped managed bean from the current Faces view scope, and auto-creates one if it doesn't exist.
        Type Parameters:
        T - The expected return type.
        Parameters:
        type - The contextual type of the CDI managed bean.
        context - The CDI context to create the CDI managed bean in.
        Returns:
        The auto-created CDI view scoped managed bean from the current Faces view scope.
        Since:
        4.5
      • getBean

        public <T> T getBean​(Contextual<T> type)
        Returns the CDI view scoped managed bean from the current Faces view scope, or null if there is none.
        Type Parameters:
        T - The expected return type.
        Parameters:
        type - The contextual type of the CDI managed bean.
        Returns:
        The CDI view scoped managed bean from the current Faces view scope, or null if there is none.
      • preDestroyView

        public void preDestroyView()
        This method is invoked during view destroy by ViewScopeEventListener, in that case destroy all beans in current active view scope.
      • isUnloadRequest

        public static boolean isUnloadRequest​(FacesContext context)
        Returns true if the current request is triggered by an unload request.
        Parameters:
        context - The involved faces context.
        Returns:
        true if the current request is triggered by an unload request.
        Since:
        2.2
      • isUnloadRequest

        public static boolean isUnloadRequest​(HttpServletRequest request)
        Returns true if the given request is triggered by an unload request.
        Parameters:
        request - The involved request.
        Returns:
        true if the given request is triggered by an unload request.
        Since:
        3.1