org.obiba.mica.config.CacheConfiguration.java Source code

Introduction

Here is the source code for org.obiba.mica.config.CacheConfiguration.java

Source

/*
 * Copyright (c) 2018 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.obiba.mica.config;

import javax.annotation.PreDestroy;
import javax.inject.Inject;

import net.sf.ehcache.Cache;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.ehcache.EhCacheCacheManager;
import org.springframework.cache.ehcache.EhCacheManagerFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.ehcache.InstrumentedEhcache;

@Configuration("cacheConfiguration")
@EnableCaching
@AutoConfigureAfter(value = { MetricsConfiguration.class })
public class CacheConfiguration {

    private static final Logger log = LoggerFactory.getLogger(CacheConfiguration.class);

    @Inject
    private MetricRegistry metricRegistry;

    @PreDestroy
    public void destroy() {
        log.info("Remove Cache Manager metrics");
        metricRegistry.getNames().forEach(metricRegistry::remove);
    }

    @Bean
    public EhCacheManagerFactoryBean cacheManagerFactory() {
        log.debug("Starting Ehcache");
        EhCacheManagerFactoryBean factoryBean = new EhCacheManagerFactoryBean();
        factoryBean.setCacheManagerName("mica");

        return factoryBean;
    }

    @Bean
    public CacheManager springCacheManager() {
        log.debug("Starting Spring Cache");
        net.sf.ehcache.CacheManager cacheManager = cacheManagerFactory().getObject();
        EhCacheCacheManager ehCacheManager = new EhCacheCacheManager();
        ehCacheManager.setCacheManager(cacheManager);
        String[] cacheNames = cacheManager.getCacheNames();
        for (String cacheName : cacheNames) {
            Cache cache = cacheManager.getCache(cacheName);
            cacheManager.replaceCacheWithDecoratedCache(cache,
                    InstrumentedEhcache.instrument(metricRegistry, cache));
        }
        return ehCacheManager;
    }
}