Author: manik.surtani(a)jboss.com Date: 2008-10-26 17:31:15 -0400 (Sun, 26 Oct 2008) New Revision: 7015 Modified: core/trunk/src/main/java/org/jboss/cache/RegionImpl.java Log: Backward compatibility hack for a deprecated method that *really* should not be used! Modified: core/trunk/src/main/java/org/jboss/cache/RegionImpl.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/RegionImpl.java 2008-10-25 23:50:03 UTC (rev 7014) +++ core/trunk/src/main/java/org/jboss/cache/RegionImpl.java 2008-10-26 21:31:15 UTC (rev 7015) @@ -28,13 +28,11 @@ import org.jboss.cache.config.EvictionAlgorithmConfig; import org.jboss.cache.config.EvictionPolicyConfig; import org.jboss.cache.config.EvictionRegionConfig; -import org.jboss.cache.eviction.EvictedEventNode; -import org.jboss.cache.eviction.EvictionActionPolicy; -import org.jboss.cache.eviction.EvictionAlgorithm; -import org.jboss.cache.eviction.EvictionEvent; -import org.jboss.cache.eviction.EvictionPolicy; +import org.jboss.cache.eviction.*; import org.jboss.cache.util.Util; +import java.util.HashMap; +import java.util.Map; import java.util.concurrent.BlockingQueue; import java.util.concurrent.LinkedBlockingQueue; import java.util.concurrent.TimeUnit; @@ -321,10 +319,68 @@ @SuppressWarnings("deprecation") public void setEvictionPolicy(EvictionPolicyConfig evictionPolicyConfig) { - //TODO: Autogenerated. Implement me properly + try + { + // need to create an EvictionRegionConfig from this. + EvictionRegionConfig erc = new EvictionRegionConfig(getFqn()); + String epClassName = evictionPolicyConfig.getEvictionPolicyClass(); + EvictionAlgorithmConfig eac = getEvictionAlgorithmConfig(epClassName); + erc.setEvictionAlgorithmConfig(eac); + if (!erc.isDefaultRegion()) + { + erc.setDefaults(regionManager.getConfiguration().getEvictionConfig().getDefaultEvictionRegionConfig()); + } + setEvictionRegionConfig(erc); + } + catch (Exception e) + { + throw new CacheException(e); + } } + /** + * This is to provide backward compatibility and is not guaranteed to work for every type of eviction policy out + * there, particularly custom ones. + * + * @param evictionPolicyClass + * @return An eviction algorithm config. + */ @Deprecated + private EvictionAlgorithmConfig getEvictionAlgorithmConfig(String evictionPolicyClass) throws Exception + { + Map<String, Class<? extends EvictionAlgorithmConfig>> legacyConfigMap = new HashMap<String, Class<? extends EvictionAlgorithmConfig>>(); + legacyConfigMap.put(FIFOPolicy.class.getName(), FIFOAlgorithmConfig.class); + legacyConfigMap.put(LRUPolicy.class.getName(), LRUAlgorithmConfig.class); + legacyConfigMap.put(LFUPolicy.class.getName(), LFUAlgorithmConfig.class); + legacyConfigMap.put(MRUPolicy.class.getName(), MRUAlgorithmConfig.class); + legacyConfigMap.put(ExpirationPolicy.class.getName(), ExpirationAlgorithmConfig.class); + legacyConfigMap.put(ElementSizePolicy.class.getName(), ElementSizeAlgorithmConfig.class); + legacyConfigMap.put(NullEvictionPolicy.class.getName(), NullEvictionAlgorithmConfig.class); + + Class<? extends EvictionAlgorithmConfig> c = legacyConfigMap.get(evictionPolicyClass); + if (c != null) + { + // this is one of our "shipped" policies. Easy mapping! + return Util.getInstance(c); + } + else + { + // tougher. This is a custom policy. + // lets default to LRUPolicy first... + final EvictionPolicy ep = (EvictionPolicy) Util.getInstance(evictionPolicyClass); + ep.getEvictionAlgorithm(); + return new LRUAlgorithmConfig() + { + @Override + public String getEvictionAlgorithmClassName() + { + return ep.getEvictionAlgorithm().getClass().getName(); + } + }; + } + } + + @Deprecated @Compat @SuppressWarnings("deprecation") public EvictionPolicyConfig getEvictionPolicyConfig()