Package org.refcodes.observer

Interface Observers<O,B extends Observers<O,B>>

  • Type Parameters:
    B - The builder to return in order to be able to apply multiple build operations.

    public interface Observers<O,B extends Observers<O,B>>
    Provides methods to manage all subscribed Observer instances as a whole and is intended as an extension of the Observable interface.

    • Method Detail

      • setObserversActive

        void setObserversActive​(boolean isActive)
        Enables or disables all Observer instances.
        Parameters:
        isActive - When true then Request-Correlation is enabled, else disabled.

      • withObserversActive

        B withObserversActive​(boolean isActive)
        Builder method for the setObserversActive(boolean) operation.
        Parameters:
        isActive - When true then Request-Correlation is enabled, else disabled.
        Returns:
        The builder for applying multiple build operations.

      • enableObservers

        default void enableObservers​()
        Enables all observables.

      • withEnableObservers

        B withEnableObservers​()
        Builder method for the enableObservers() operation.
        Returns:
        The builder for applying multiple build operations.

      • disableObservers

        default void disableObservers​()
        Disables all observables.

      • isObserversActive

        boolean isObserversActive​()
        Returns true when all Observer instances are theoretically active (the instance may also decide by itself), else false.
        Returns:
        True when active, false when inactive (disabled).

      • withDisableObservers

        B withDisableObservers​()
        Builder method for the disableObservers() operation.
        Returns:
        The builder for applying multiple build operations.

      • observers

        java.util.Iterator<O> observers​()
        Returns an Iterator with the registered observers.
        Returns:
        The according Iterator.