Class Cleanups

  • public class Cleanups
    extends java.lang.Object
    Utilities to clean up resources when the application is stopping. Currently, when a ZK application is stopping, ZK will invoke cleanup(). Thus you can register an implementation of Cleanups.Cleanup to release the resources.

    Notice that this utility is introduced mainly to resolve the memory lead issue if an application is hot re-deployed. A typical example is to stop any pooled threads.

    How to use:

    First, register the cleanup with add(org.zkoss.util.Cleanups.Cleanup).

    Second, invoke cleanup() when necessary, such as when the application is stopping

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static interface  Cleanups.Cleanup
      The interface to implement for each cleanup.
    • Constructor Summary

      Constructor Description
    • Constructor Detail

      • Cleanups

        public Cleanups()
    • Method Detail

      • add

        public static boolean add​(Cleanups.Cleanup cleanup)
        Registers a cleanup.
        true if it is added successfully, or false if the cleanup has been registered before.
      • remove

        public static boolean remove​(Cleanups.Cleanup cleanup)
        Un-registers a cleanup.
        true if it is removed successfully, or false if not registered before.