Package org.eclipse.jetty.util.thread

Class Sweeper

  • All Implemented Interfaces:
    Runnable, LifeCycle
    @Deprecated(since="2021-05-27")
public class Sweeper
extends AbstractLifeCycle
implements Runnable
    Deprecated.
    The Eclipse Jetty and Apache Felix Http Jetty packages are no longer supported.

    A utility class to perform periodic sweeping of resources.

    Sweeper.Sweepable resources may be added to or removed from a Sweeper and the resource implementation decides whether it should be swept or not.

    If a Sweeper.Sweepable resources is itself a container of other sweepable resources, it will forward the sweep operation to children resources, and so on recursively.

    Typical usage is to add Sweeper as a bean to an existing container:

      Server server = new Server();
  server.addBean(new Sweeper(), true);
  server.start();
    Code that knows it has sweepable resources can then lookup the Sweeper and offer the sweepable resources to it: 
      class MyComponent implements Sweeper.Sweepable
  {
      private final long creation;
      private volatile destroyed;

      MyComponent(Server server)
      {
          this.creation = System.nanoTime();
          Sweeper sweeper = server.getBean(Sweeper.class);
          sweeper.offer(this);
      }

      void destroy()
      {
          destroyed = true;
      }

      @Override
      public boolean sweep()
      {
          return destroyed;
      }
  }

    • Constructor Detail

      • Sweeper

        public Sweeper​(Scheduler scheduler,
               long period)
        Deprecated.

    • Method Detail

      • getSize

        public int getSize()
        Deprecated.

      • run

        public void run()
        Deprecated.
        Specified by:
        run in interface Runnable