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## org.crosswire.common.activate
Interface Activatable

All Known Subinterfaces:
  Book

All Known Implementing Classes:
  AbstractBook, AbstractPassageBook, ReadingsBook, SwordBook, SwordDailyDevotion, SwordDictionary, SwordGenBook, TreeKeyIndex

    public interface Activatable

A class can be Activatable if it needs a significant amount of memory on an irregular basis, and so would benefit from being told when to wake-up and when to conserver memory.

Author:
  Joe Walker
See Also:
  `The GNU Lesser General Public License for details.`

Method Summary
`void` | `activate(Lock lock)` Called to indicate that the Book should initialize itself, and consume whatever system resources it needs to be able to respond to other queries.
`void` | `deactivate(Lock lock)` Called to indicate that the Book should release whatever system resources it can to make way for other uses.

Method Detail

### activate

    void activate(Lock lock)

  Called to indicate that the Book should initialize itself, and consume whatever system resources it needs to be able to respond to other queries.

  Parameters:
    `lock` - An attempt to ensure that only the Activator calls this method

### deactivate

    void deactivate(Lock lock)

  Called to indicate that the Book should release whatever system resources it can to make way for other uses.

  Parameters:
    `lock` - An attempt to ensure that only the Activator calls this method

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