/** * Creates a new ExoCache instance with the relevant parameters * @throws ExoCacheInitException If any exception occurs while creating the cache */ private ExoCache<Serializable, Object> create(ExoCacheConfig config, ConfigurationBuilder confBuilder, Callable<Cache<Serializable, Object>> cacheGetter, String strategy, int maxEntries, long lifespan, long maxIdle, long wakeUpInterval) throws ExoCacheInitException { EvictionStrategy es = strategy == null || strategy.length() == 0 ? null : EvictionStrategy.valueOf(strategy .toUpperCase(Locale.ENGLISH)); if (es == null) { es = EvictionStrategy.LRU; } confBuilder.eviction().strategy(EvictionStrategy.valueOf(strategy)).maxEntries(maxEntries).expiration() .lifespan(lifespan).maxIdle(maxIdle).wakeUpInterval(wakeUpInterval); try { return new GenericExoCache(config, cacheGetter.call()); } catch (Exception e)//NOSONAR { throw new ExoCacheInitException("Cannot create the cache '" + config.getName() + "'", e); } }
/** * Clean the configuration template to prevent conflicts */ protected void resetConfiguration(ConfigurationBuilder confBuilder) { confBuilder.invocationBatching().enable().eviction().strategy(EvictionStrategy.NONE).maxEntries(-1).expiration() .lifespan(-1L).maxIdle(-1L).wakeUpInterval(60000L); } }
/** * Build a local cache configuration. * <p/> * In local cache mode, the cache is not shared among the servers in a cluster. Each machine keeps a local cache. * This allows quick startups and eliminates network traffic in the cluster, but subsequent requests to different * cluster members cannot benefit from the cached data. */ protected void buildLocalConfiguration() { GlobalConfiguration globalConfiguration = new GlobalConfigurationBuilder() .classLoader(InfinispanEmbeddedCacheManager.class.getClassLoader()) .globalJmxStatistics() .jmxDomain("org.apache.marmotta.kiwi") .allowDuplicateDomains(true) .build(); defaultConfiguration = new ConfigurationBuilder() .clustering() .cacheMode(CacheMode.LOCAL) .eviction() .strategy(EvictionStrategy.LIRS) .maxEntries(100000) .expiration() .lifespan(5, TimeUnit.MINUTES) .maxIdle(1, TimeUnit.MINUTES) .build(); cacheManager = new DefaultCacheManager(globalConfiguration, defaultConfiguration, true); log.info("initialised Infinispan local cache manager"); }
/** * Create a non-clustered instance of the infinispan cache. */ public LDCachingInfinispanBackend() { globalConfiguration = new GlobalConfigurationBuilder() .classLoader(LDCachingInfinispanBackend.class.getClassLoader()) .globalJmxStatistics() .jmxDomain("org.apache.marmotta.ldcache") .allowDuplicateDomains(true) .build(); defaultConfiguration = new ConfigurationBuilder() .clustering() .cacheMode(CacheMode.LOCAL) .eviction() .strategy(EvictionStrategy.LIRS) .maxEntries(100000) .expiration() .lifespan(7, TimeUnit.DAYS) .maxIdle(1, TimeUnit.DAYS) .build(); clustered = false; }
.strategy(EvictionStrategy.LIRS) .maxEntries(100000) .expiration() .lifespan(30, TimeUnit.MINUTES) .maxIdle(10, TimeUnit.MINUTES)
/** * Return the node id -> node cache from the cache manager. This cache is heavily used to lookup * nodes when querying or loading triples and should therefore have a decent size (default 500.000 elements). * * @return an EHCache Cache instance containing the node id -> node mappings */ public Map getNodeCache() { if(nodeCache == null) { Configuration nodeConfiguration = new ConfigurationBuilder().read(defaultConfiguration) .eviction() .maxEntries(1000000) .expiration() .lifespan(60, TimeUnit.MINUTES) .maxIdle(30, TimeUnit.MINUTES) .build(); cacheManager.defineConfiguration(NODE_CACHE, nodeConfiguration); nodeCache = new AsyncMap(cacheManager.getCache(NODE_CACHE).getAdvancedCache().withFlags(Flag.SKIP_LOCKING, Flag.SKIP_CACHE_LOAD, Flag.SKIP_REMOTE_LOOKUP)); } return nodeCache; }
/** * Return the prefix -> namespace cache from the cache manager. Used for looking up namespaces * @return */ public Map getNamespacePrefixCache() { if(nsPrefixCache == null) { if(isClustered()) { Configuration nsprefixConfiguration = new ConfigurationBuilder().read(defaultConfiguration) .clustering() .cacheMode(CacheMode.REPL_ASYNC) .eviction() .maxEntries(config.getNamespaceCacheSize()) .expiration() .lifespan(1, TimeUnit.DAYS) .build(); cacheManager.defineConfiguration(NS_PREFIX_CACHE, nsprefixConfiguration); } else { Configuration nsprefixConfiguration = new ConfigurationBuilder().read(defaultConfiguration) .eviction() .maxEntries(config.getNamespaceCacheSize()) .expiration() .lifespan(1, TimeUnit.HOURS) .build(); cacheManager.defineConfiguration(NS_PREFIX_CACHE, nsprefixConfiguration); } nsPrefixCache = cacheManager.getCache(NS_PREFIX_CACHE).getAdvancedCache().withFlags(Flag.SKIP_LOCKING, Flag.SKIP_CACHE_LOAD, Flag.SKIP_REMOTE_LOOKUP); } return nsPrefixCache; }
/** * Return the URI -> namespace cache from the cache manager. Used for looking up namespaces * @return */ public Map getNamespaceUriCache() { if(nsUriCache == null) { if(isClustered()) { Configuration nsuriConfiguration = new ConfigurationBuilder().read(defaultConfiguration) .clustering() .cacheMode(CacheMode.REPL_ASYNC) .eviction() .maxEntries(config.getNamespaceCacheSize()) .expiration() .lifespan(1, TimeUnit.DAYS) .build(); cacheManager.defineConfiguration(NS_URI_CACHE, nsuriConfiguration); } else { Configuration nsuriConfiguration = new ConfigurationBuilder().read(defaultConfiguration) .eviction() .maxEntries(config.getNamespaceCacheSize()) .expiration() .lifespan(1, TimeUnit.HOURS) .build(); cacheManager.defineConfiguration(NS_URI_CACHE, nsuriConfiguration); } nsUriCache = new AsyncMap(cacheManager.getCache(NS_URI_CACHE).getAdvancedCache().withFlags(Flag.SKIP_LOCKING, Flag.SKIP_CACHE_LOAD, Flag.SKIP_REMOTE_LOOKUP)); } return nsUriCache; }
.strategy(EvictionStrategy.LIRS) .maxEntries(100000) .expiration() .lifespan(30, TimeUnit.MINUTES) .maxIdle(10, TimeUnit.MINUTES)
.strategy(EvictionStrategy.LIRS) .maxEntries(100000) .expiration() .lifespan(7, TimeUnit.DAYS) .maxIdle(1, TimeUnit.DAYS)
/** * Return the triple id -> triple cache from the cache manager. This cache is used for speeding up the * construction of query results. * * @return */ public Map getTripleCache() { if(tripleCache == null) { Configuration tripleConfiguration = new ConfigurationBuilder().read(defaultConfiguration) .clustering() .cacheMode(CacheMode.LOCAL) .eviction() .maxEntries(config.getTripleCacheSize()) .expiration() .lifespan(60, TimeUnit.MINUTES) .maxIdle(30, TimeUnit.MINUTES) .build(); cacheManager.defineConfiguration(TRIPLE_CACHE, tripleConfiguration); tripleCache = new AsyncMap(cacheManager.getCache(TRIPLE_CACHE).getAdvancedCache().withFlags(Flag.SKIP_LOCKING, Flag.SKIP_CACHE_LOAD, Flag.SKIP_REMOTE_LOOKUP)); } return tripleCache; }