Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/cache/CacheFactory.java @ 780:c4156275c1e1
Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
gnv-artifacts/trunk@857 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 29 Mar 2010 09:35:44 +0000 |
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1 package de.intevation.gnv.artifacts.cache; |
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2 |
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3 import net.sf.ehcache.Cache; |
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4 import net.sf.ehcache.CacheManager; |
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5 |
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6 import org.apache.log4j.Logger; |
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7 |
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8 /** |
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9 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> |
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10 * |
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11 */ |
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12 public class CacheFactory { |
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13 |
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14 /** |
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15 * the logger, used to log exceptions and additonaly information |
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16 */ |
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17 private static Logger log = Logger.getLogger(CacheFactory.class); |
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18 |
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19 private final static String CACHENAME = "artifactdata"; |
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20 |
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21 /** |
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22 * The singleton Instance of this Factory. |
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23 */ |
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24 private static CacheFactory instance = null; |
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25 |
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26 /** |
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27 * |
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28 */ |
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29 private CacheManager cacheManager = null; |
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30 |
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31 /** |
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32 * Basic-Constructor of this Class |
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33 */ |
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34 private CacheFactory() { |
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35 super(); |
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36 } |
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37 |
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38 /** |
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39 * This Method provides an singleton Instance of this Class. |
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40 * |
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41 * @return an singleton Instance of this Class |
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42 */ |
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43 public static CacheFactory getInstance() { |
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44 if (instance == null) { |
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45 instance = new CacheFactory(); |
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46 } |
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47 return instance; |
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48 } |
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49 |
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50 /** |
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51 * Getting the ConnectionPool |
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52 * |
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53 * @return the ConnectionPool |
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54 */ |
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55 public Cache getCache() { |
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56 return this.cacheManager.getCache(CACHENAME); |
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57 } |
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58 |
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59 /** |
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60 * Initializes the ConnectionPool. Should only be called once on system |
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61 * startup |
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62 * |
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63 * @param properties |
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64 * the Properties for the Individual Configuration of the |
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65 * ConnectionPool |
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66 */ |
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67 public void initializeCache(String configurationFileName) { |
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68 if (cacheManager == null) { |
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69 cacheManager = new CacheManager(configurationFileName); |
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70 cacheManager.addCache(CACHENAME); |
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71 } |
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72 } |
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73 |
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74 /** |
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75 * Checks if the ConnectionPool has already been initialized. |
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76 * |
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77 * @return true if the ConnectionPool is initialized. |
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78 */ |
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79 public boolean isInitialized() { |
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80 return this.cacheManager != null; |
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81 } |
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82 |
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83 } |