org.apache.tapestry5.services

## Interface UpdateListener

- All Known Subinterfaces:
    MessagesSource
  All Known Implementing Classes:
    AbstractReloadableObjectCreator, ComponentInstantiatorSourceImpl, ComponentMessagesSourceImpl, ComponentTemplateSourceImpl, DynamicTemplateParserImpl, MessagesSourceImpl, ReloadableObjectCreator, ReloadableServiceImplementationObjectCreator, ResourceChangeTrackerImpl

      public interface UpdateListener

  Interface for objects which can periodically check for updates. Note that this interface has moved from module tapestry-core to tapestry-ioc, but has kept the same package (for backwards compatibility reasons).
  Since:
    5.1.0.0
  See Also:
    `UpdateListenerHub`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `checkForUpdates()` Invoked to force the receiver to check for updates to whatever underlying resources it makes use of.

- - ### Method Detail

    - #### checkForUpdates

          void checkForUpdates()

      Invoked to force the receiver to check for updates to whatever underlying resources it makes use of.

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