Opener

Helper class that can be used to check whether all components are opened or not, a component is opened or not, and to open one or more components.

Description

The Opener class can be used to check whether all components are opened or not, a component is opened or not, and to open one or more components.

Static methods

isOpen

Checks if all components are opened.

To be checked, components must implement the IOpenable interface. If they don’t, the call to this method returns true.

public static boolean isOpen(Iterable components)

  • components: Iterable - list of components that are to be checked.
  • returns: boolean - true if all components are opened and false if at least one component is closed.

    • isOpenOne

    Checks if a specified component is opened. To be checked, components must implement the IOpenable interface. If they don’t, the call to this method returns true.

    public static boolean isOpenOne(Object component)

    • component: Object - component that is to be checked.
    • returns: boolean - true if the component is opened and false otherwise.

    open

    Opens multiple components. To be opened, components must implement IOpenable interface. If they don’t, the call to this method has no effect.

    public static void open(IContext context, Iterable components) throws ApplicationException

    • context: IContext - (optional) execution context to trace execution through call chain.
    • components: Iterable - list of components that are to be closed.

      openOne

      Opens a specific component. To be opened, components must implement the IOpenable interface. If they don’t, the call to this method has no effect.

      public static void openOne(IContext context, Object component) throws ApplicationException

      • context: IContext - (optional) execution context to trace execution through call chain.
      • component: Object - component that is to be opened.

      See also