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## org.jini.rio.watch
Class NullArchive

    java.lang.Object
      org.jini.rio.watch.NullArchive

All Implemented Interfaces:
  Archivable

    public class NullArchive

extends Object
implements Archivable

An empty implementation of the Archivable interface. Produces the effect of having no archival for the WatchDataSource

Constructor Summary
`NullArchive()` Create a new NullArhcivable

Method Summary
`void` | `archive(Calculable calculable)` Archive a record from the WatchDataSource history
`void` | `close()` Closes the archive

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### NullArchive

    public NullArchive()

  Create a new NullArhcivable

Method Detail

### close

    public void close()

  Description copied from interface: `Archivable`
  Closes the archive

  Specified by:
    `close` in interface `Archivable`
  See Also:
    `Archivable.close()`

### archive

    public void archive(Calculable calculable)

  Description copied from interface: `Archivable`
  Archive a record from the WatchDataSource history

  Specified by:
    `archive` in interface `Archivable`
  Parameters:
    `calculable` - the Calculable record to archive
  See Also:
    `Archivable.archive(org.jini.rio.watch.Calculable)`

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