Mercurial > hg > blitz_condensed
comparison src/org/dancres/blitz/txn/StoragePersonality.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
| author | Dan Creswell <dan.creswell@gmail.com> |
|---|---|
| date | Sat, 21 Mar 2009 11:00:06 +0000 |
| parents | |
| children |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:3dc0c5604566 |
|---|---|
| 1 package org.dancres.blitz.txn; | |
| 2 | |
| 3 import org.prevayler.implementation.SnapshotPrevayler; | |
| 4 import org.prevayler.PrevalentSystem; | |
| 5 | |
| 6 /** | |
| 7 <p>The work of translating the <code>StorageModel</code> instance specified | |
| 8 in the configuration file to an appropriate runtime configuration | |
| 9 is done by instances of this interface obtained from | |
| 10 <code>StoragePersonalityFactory.getPersonality(StorageModel)</code>.</p> | |
| 11 | |
| 12 <p>The rest of the Blitz core uses the personality to obtain instances | |
| 13 of certain key components within the system which collectively determine | |
| 14 Blitz's storage behaviour.</p> | |
| 15 | |
| 16 @see org.dancres.blitz.config.StorageModel | |
| 17 | |
| 18 @see org.dancres.blitz.txn.StoragePersonalityFactory | |
| 19 */ | |
| 20 public interface StoragePersonality { | |
| 21 public CheckpointTrigger getCheckpointTrigger(Checkpointer aCheckpointer); | |
| 22 | |
| 23 public SnapshotPrevayler getPrevayler(PrevalentSystem aSystem) | |
| 24 throws Exception; | |
| 25 | |
| 26 /** | |
| 27 Invoke this method to clear up underlying storage associated with | |
| 28 the personality. | |
| 29 */ | |
| 30 public void destroy(); | |
| 31 } |