Mercurial > hg > blitz_condensed
annotate src/org/dancres/blitz/txn/StoragePersonalityFactory.java @ 33:0b9265358617
Added tag 2.1.1 for changeset a77f0a9ed93c
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 12 Jun 2010 10:52:10 +0100 |
parents | 3dc0c5604566 |
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1 package org.dancres.blitz.txn; |
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2 |
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3 import java.io.File; |
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4 |
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5 import net.jini.config.ConfigurationException; |
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6 |
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7 import org.dancres.blitz.config.StorageModel; |
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8 import org.dancres.blitz.config.Persistent; |
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9 import org.dancres.blitz.config.TimeBarrierPersistent; |
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10 import org.dancres.blitz.config.Transient; |
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11 import org.dancres.blitz.config.ConfigurationFactory; |
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12 |
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13 /** |
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14 @see org.dancres.blitz.txn.StoragePersonality |
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15 */ |
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16 public class StoragePersonalityFactory { |
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17 |
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18 private static StorageModel STORAGE_MODEL; |
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19 |
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20 private static StoragePersonality STORAGE_PERSONALITY; |
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21 |
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22 static { |
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23 try { |
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24 STORAGE_MODEL = |
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25 ((StorageModel) |
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26 ConfigurationFactory.getEntry("storageModel", |
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27 StorageModel.class)); |
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28 |
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29 String myLogDir = (String) |
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30 ConfigurationFactory.getEntry("logDir", String.class); |
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31 |
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32 new File(myLogDir).mkdirs(); |
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33 |
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34 if (STORAGE_MODEL instanceof Persistent) { |
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35 STORAGE_PERSONALITY = |
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36 new PersistentPersonality((Persistent) STORAGE_MODEL, |
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37 myLogDir); |
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38 } else if (STORAGE_MODEL instanceof Transient) { |
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39 STORAGE_PERSONALITY = new TransientPersonality(myLogDir); |
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40 } else if (STORAGE_MODEL instanceof TimeBarrierPersistent) { |
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41 STORAGE_PERSONALITY = |
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42 new TimeBarrierPersonality((TimeBarrierPersistent) STORAGE_MODEL, myLogDir); |
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43 } else { |
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44 throw new Error("Unrecognised storage personality, fatal: " + STORAGE_MODEL); |
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45 } |
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46 |
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47 } catch (ConfigurationException aCE) { |
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48 throw new Error("Problem loading configuration", aCE); |
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49 } |
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50 } |
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51 |
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52 public static StoragePersonality getPersonality() { |
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53 return STORAGE_PERSONALITY; |
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54 } |
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55 } |