147 lines
4.4 KiB
Java
147 lines
4.4 KiB
Java
package org.gcube.application.framework.core.cache;
|
|
|
|
import java.util.HashMap;
|
|
|
|
import org.gcube.application.framework.core.cache.factories.GenericResourceCacheEntryFactory;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
import net.sf.ehcache.CacheManager;
|
|
import net.sf.ehcache.Ehcache;
|
|
import net.sf.ehcache.constructs.blocking.CacheEntryFactory;
|
|
import net.sf.ehcache.constructs.blocking.SelfPopulatingCache;
|
|
|
|
/**
|
|
* @author Valia Tsagkalidou (KNUA)
|
|
*
|
|
* This class is a singleton that manages the available caches
|
|
*
|
|
*/
|
|
public class CachesManager {
|
|
protected static CachesManager cacheManager = new CachesManager();
|
|
protected CacheManager manager;
|
|
// protected Ehcache profileCache;
|
|
// protected Ehcache genericResourceCache;
|
|
// protected Ehcache searchConfigCache;
|
|
// protected Ehcache collectionCache;
|
|
// protected Ehcache contentCache;
|
|
// protected Ehcache thumbnailCache;
|
|
// protected Ehcache schemataCache;
|
|
// protected Ehcache metadataCache;
|
|
|
|
protected HashMap<String, Ehcache> caches;
|
|
|
|
/** The logger. */
|
|
private static final Logger logger = LoggerFactory.getLogger(CachesManager.class);
|
|
|
|
/**
|
|
* The constructor
|
|
*/
|
|
protected CachesManager() {
|
|
|
|
|
|
|
|
manager = CacheManager.create(CachesManager.class.getResource("/ehcache.xml"));
|
|
|
|
caches = new HashMap<String, Ehcache>();
|
|
|
|
// profileCache = manager.getEhcache("profiles");
|
|
Ehcache genericResourceCache = manager.getEhcache("genericResources");
|
|
// searchConfigCache = manager.getEhcache("searchConfiguration");
|
|
// collectionCache = manager.getEhcache("collections");
|
|
// contentCache = manager.getEhcache("content");
|
|
// thumbnailCache = manager.getEhcache("thumbnail");
|
|
// schemataCache = manager.getEhcache("schemata");
|
|
// metadataCache = manager.getEhcache("metadata");
|
|
|
|
// profileCache = new SelfPopulatingCache(profileCache, new ProfileCacheEntryFactory());
|
|
genericResourceCache = new SelfPopulatingCache(genericResourceCache, new GenericResourceCacheEntryFactory());
|
|
caches.put("genericResourceCache", genericResourceCache);
|
|
// searchConfigCache = new SelfPopulatingCache(searchConfigCache, new SearchConfigCacheEntryFactory());
|
|
// collectionCache = new SelfPopulatingCache(collectionCache, new CollectionCacheEntryFactory());
|
|
// contentCache = new SelfPopulatingCache(contentCache, new ContentInfoCacheEntryFactory());
|
|
// thumbnailCache = new SelfPopulatingCache(thumbnailCache, new ThumbnailCacheEntryFactory());
|
|
// schemataCache = new SelfPopulatingCache(schemataCache, new SchemaInfoCacheEntryFactory());
|
|
// metadataCache = new SelfPopulatingCache(metadataCache, new MetadataCacheEntryFactory());
|
|
}
|
|
|
|
/**
|
|
* @return the sigleton of CachesManager
|
|
*/
|
|
public static CachesManager getInstance() {
|
|
return cacheManager;
|
|
}
|
|
|
|
public Ehcache getEhcache (String cacheName, CacheEntryFactory cacheFactory) {
|
|
if (caches.get(cacheName) == null) {
|
|
logger.debug("Didn't find any previous cache for "+cacheName+". Creating a new and returning that.");
|
|
Ehcache newCache = manager.getEhcache(cacheName);
|
|
newCache = new SelfPopulatingCache(newCache, cacheFactory);
|
|
caches.put(cacheName, newCache);
|
|
}
|
|
return caches.get(cacheName);
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* @return the cache that contains the user profiles
|
|
*/
|
|
// public Ehcache getProfileCache() {
|
|
// return profileCache;
|
|
// }
|
|
|
|
/**
|
|
* @return the cache that contains the generic resources
|
|
*/
|
|
public Ehcache getGenericResourceCache() {
|
|
return caches.get("genericResourceCache");
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* @return the cache that contains the search configurations
|
|
*/
|
|
// public Ehcache getSearchConfigCache() {
|
|
// return searchConfigCache;
|
|
// }
|
|
|
|
/**
|
|
* @return the cache that contains the collections per VRE
|
|
*/
|
|
// public Ehcache getCollectionCache() {
|
|
// return collectionCache;
|
|
// }
|
|
|
|
/**
|
|
* @return the cache that contains information about digital objects
|
|
*/
|
|
// public Ehcache getContentCache() {
|
|
// return contentCache;
|
|
// }
|
|
|
|
/**
|
|
* @return the cache that contains thumbnails
|
|
*/
|
|
// public Ehcache getThumbnailCache() {
|
|
// return thumbnailCache;
|
|
// }
|
|
|
|
/**
|
|
* @return the cache that contains the searchable fields for each metadata schema
|
|
*/
|
|
// public Ehcache getSchemataCache() {
|
|
// return schemataCache;
|
|
// }
|
|
|
|
/**
|
|
* @return the cache that contains the metadata objects
|
|
*/
|
|
// public Ehcache getMetadataCache() {
|
|
// return metadataCache;
|
|
// }
|
|
|
|
}
|