Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/cache/CacheFactory.java @ 99:bb45c5097cb6
ehcache Integration for storing the chartresultvalues
gnv-artifacts/trunk@146 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Mon, 28 Sep 2009 14:17:15 +0000 |
parents | |
children | 7fb9441dd8af |
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/** * */ package de.intevation.gnv.artifacts.cache; import net.sf.ehcache.Cache; import net.sf.ehcache.CacheManager; import org.apache.log4j.Logger; /** * @author Tim Englich <tim.englich@intevation.de> * */ public class CacheFactory { /** * the logger, used to log exceptions and additonaly information */ private static Logger log = Logger.getLogger(CacheFactory.class); private final static String CACHENAME = "artifactdata"; /** * The singleton Instance of this Factory. */ private static CacheFactory instance = null; /** * */ private CacheManager cacheManager = null; /** * Basic-Constructor of this Class */ private CacheFactory() { super(); } /** * This Method provides an singleton Instance of this Class. * @return an singleton Instance of this Class */ public static CacheFactory getInstance(){ if (instance == null){ instance = new CacheFactory(); } return instance; } /** * Getting the ConnectionPool * @return the ConnectionPool */ public Cache getCache(){ return this.cacheManager.getCache(CACHENAME); } /** * Initializes the ConnectionPool. * Should only be called once on system startup * @param properties the Properties for the Individual Configuration of the ConnectionPool */ public void initializeCache(String configurationFileName){ if (cacheManager == null){ cacheManager = new CacheManager(configurationFileName); cacheManager.addCache(CACHENAME); } } /** * Checks if the ConnectionPool has already been initialized. * @return true if the ConnectionPool is initialized. */ public boolean isInitialized(){ return this.cacheManager != null; } }