| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.commons.jcs3.jcache.openjpa; |
| |
| import org.apache.openjpa.conf.OpenJPAConfiguration; |
| import org.apache.openjpa.datacache.DataCacheManagerImpl; |
| import org.apache.openjpa.lib.conf.ObjectValue; |
| |
| import javax.cache.Cache; |
| import javax.cache.CacheManager; |
| import javax.cache.Caching; |
| import javax.cache.configuration.FactoryBuilder; |
| import javax.cache.configuration.MutableConfiguration; |
| import javax.cache.expiry.CreatedExpiryPolicy; |
| import javax.cache.expiry.Duration; |
| import javax.cache.expiry.ExpiryPolicy; |
| import javax.cache.integration.CacheLoader; |
| import javax.cache.integration.CacheWriter; |
| import javax.cache.spi.CachingProvider; |
| import java.net.URI; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| public class OpenJPAJCacheDataCacheManager extends DataCacheManagerImpl |
| { |
| private CachingProvider provider; |
| private CacheManager cacheManager; |
| |
| @Override |
| public void initialize(final OpenJPAConfiguration conf, final ObjectValue dataCache, final ObjectValue queryCache) |
| { |
| super.initialize(conf, dataCache, queryCache); |
| provider = Caching.getCachingProvider(); |
| |
| final Properties properties = new Properties(); |
| final Map<String, Object> props = conf.toProperties(false); |
| if (props != null) |
| { |
| for (final Map.Entry<?, ?> entry : props.entrySet()) |
| { |
| if (entry.getKey() != null && entry.getValue() != null) |
| { |
| properties.setProperty(entry.getKey().toString(), entry.getValue().toString()); |
| } |
| } |
| } |
| |
| final String uri = properties.getProperty("jcache.uri", provider.getDefaultURI().toString()); |
| cacheManager = provider.getCacheManager(URI.create(uri), provider.getDefaultClassLoader(), properties); |
| } |
| |
| @Override |
| public void close() |
| { |
| super.close(); |
| if (!cacheManager.isClosed()) |
| { |
| cacheManager.close(); |
| } |
| provider.close(); |
| } |
| |
| Cache<Object, Object> getOrCreateCache(final String prefix, final String entity) |
| { |
| final String internalName = prefix + entity; |
| Cache<Object, Object> cache = cacheManager.getCache(internalName); |
| if (cache == null) |
| { |
| final Properties properties = cacheManager.getProperties(); |
| final MutableConfiguration<Object, Object> configuration = new MutableConfiguration<>() |
| .setStoreByValue("true".equalsIgnoreCase(properties.getProperty("jcache.store-by-value", "false"))); |
| |
| configuration.setReadThrough("true".equals(properties.getProperty("jcache.read-through", "false"))); |
| configuration.setWriteThrough("true".equals(properties.getProperty("jcache.write-through", "false"))); |
| if (configuration.isReadThrough()) |
| { |
| configuration.setCacheLoaderFactory(new FactoryBuilder.ClassFactory<CacheLoader<Object, Object>>(properties.getProperty("jcache.cache-loader-factory"))); |
| } |
| if (configuration.isWriteThrough()) |
| { |
| configuration.setCacheWriterFactory(new FactoryBuilder.ClassFactory<CacheWriter<Object, Object>>(properties.getProperty("jcache.cache-writer-factory"))); |
| } |
| final String expirtyPolicy = properties.getProperty("jcache.expiry-policy-factory"); |
| if (expirtyPolicy != null) |
| { |
| configuration.setExpiryPolicyFactory(new FactoryBuilder.ClassFactory<ExpiryPolicy>(expirtyPolicy)); |
| } |
| else |
| { |
| configuration.setExpiryPolicyFactory(new FactoryBuilder.SingletonFactory<ExpiryPolicy>(new CreatedExpiryPolicy(Duration.FIVE_MINUTES))); |
| } |
| configuration.setManagementEnabled("true".equals(properties.getProperty("jcache.management-enabled", "false"))); |
| configuration.setStatisticsEnabled("true".equals(properties.getProperty("jcache.statistics-enabled", "false"))); |
| |
| cache = cacheManager.createCache(internalName, configuration); |
| } |
| return cache; |
| } |
| |
| CacheManager getCacheManager() |
| { |
| return cacheManager; |
| } |
| } |