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## com.arjuna.ats.arjuna.recovery
Interface ExpiryScanner

public interface ExpiryScanner

Interface for Expiry scanner plug-ins. ExpiryScanners check for ancient entries in the ObjectStore (or elsewhere) to avoid leaving long-dead and irrelevant entries lying around for ever. The scan() method of each registered ExpiryScanner implementation is called by the RecoveryManager at an interval expiryScanInterval (hours).

Method Summary
`void` | `scan()` perform a scan
`boolean` | `toBeUsed()` Is this scanner to be used.

Method Detail

### scan

    public void scan()

  perform a scan

### toBeUsed

    public boolean toBeUsed()

  Is this scanner to be used. (E.g. if zero age means "don't remove", and it has been set to zero, toBeUsed replies false)

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