Package de.intarsys.tools.component

Class CommonStartStop

  • All Implemented Interfaces:
    IInstantiable, IStartStop
    public abstract class CommonStartStop
extends java.lang.Object
implements IStartStop
    A common implementation of IStartStop. This abstract class ensures that start and stop procedures are executed only once.

    • Constructor Summary

      Constructors 
      Constructor Description
      CommonStartStop()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void basicStart()
      Start the component lifecycle.
      protected void basicStop()
      Stop the component lifecycle.
      boolean isStarted()
      Answer true if this object is started
      void start()
      Start the component lifecycle.
      void stop()
      Stop the component lifecycle.
      boolean stopRequested​(java.util.Set visited)
      Ask the component if it agrees to end its lifecycle at the very moment.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • CommonStartStop

        public CommonStartStop()

    • Method Detail

      • basicStart

        protected void basicStart()
        Start the component lifecycle. This method is called once at most.

      • basicStop

        protected void basicStop()
        Stop the component lifecycle. This method is called once at most.

      • isStarted

        public final boolean isStarted()
        Description copied from interface: IStartStop
        Answer true if this object is started
        Specified by:
        isStarted in interface IStartStop
        Returns:
        Answer true if this object is started.

      • start

        public final void start()
        Description copied from interface: IStartStop
        Start the component lifecycle. A RuntimeException is expected when starting the component fails.
        Specified by:
        start in interface IStartStop

      • stop

        public final void stop()
        Description copied from interface: IStartStop
        Stop the component lifecycle. All resources should be freed. A RuntimeException is expected when stopping the component fails.
        Specified by:
        stop in interface IStartStop

      • stopRequested

        public boolean stopRequested​(java.util.Set visited)
        Description copied from interface: IStartStop
        Ask the component if it agrees to end its lifecycle at the very moment. The component may deny this request, but it must be prepared anyway to be stopped.
        Specified by:
        stopRequested in interface IStartStop
        Parameters:
        visited - The optional set of already visited objects in the stop request cycle.