CacheConfiguration.java 文件源码

@Bean
public CacheManager cacheManager() {
    log.debug("Starting Ehcache");
    cacheManager = net.sf.ehcache.CacheManager.create();
    cacheManager.getConfiguration().setMaxBytesLocalHeap(env.getProperty("cache.ehcache.maxBytesLocalHeap", String.class, "16M"));
    log.debug("Registering Ehcache Metrics gauges");
    Set<EntityType<?>> entities = entityManager.getMetamodel().getEntities();
    for (EntityType<?> entity : entities) {

        String name = entity.getName();
        if (name == null || entity.getJavaType() != null) {
            name = entity.getJavaType().getName();
        }
        Assert.notNull(name, "entity cannot exist without a identifier");

        net.sf.ehcache.Cache cache = cacheManager.getCache(name);
        if (cache != null) {
            cache.getCacheConfiguration().setTimeToLiveSeconds(env.getProperty("cache.timeToLiveSeconds", Long.class, 3600L));
            net.sf.ehcache.Ehcache decoratedCache = InstrumentedEhcache.instrument(metricRegistry, cache);
            cacheManager.replaceCacheWithDecoratedCache(cache, decoratedCache);
        }
    }
    EhCacheCacheManager ehCacheManager = new EhCacheCacheManager();
    ehCacheManager.setCacheManager(cacheManager);
    return ehCacheManager;
}