/**
* 获取缓存数据
*
* @param region 缓存分区
* @param key 缓存key
* @param invoker 回调方法
* @return 返回对应类型的数据
*/
@SuppressWarnings("unchecked")
public static <T> T get(final String region, final String key, final ICacheInvoker<T> invoker) {
// 1. 从正常缓存中获取数据
T data = (T) EhCacheManager.get(region, key);
if (data == null) {
logger.debug("在L1缓存中未找到内容！{} - {}", region, key);
// 2. 从全局二级缓存中获取数据,执行自动更新数据策略，结果直接返回
data = (T) RedisCacheManager.get(region, key);
if (invoker != null) {
if (data == null) {
logger.debug("在L2缓存中未找到内容！{} - {}", region, key);
data = invoker.callback();
EhCacheManager.set(region, key, (Serializable) data);
RedisCacheManager.set(region, key, (Serializable) data);
} else {
logger.debug("执行自动更新数据策略{} - {}", region, key);
String thread_name = String.format("CacheUpdater-%s-%s", region, key);
g_ThreadPool.execute(
new Thread(thread_name) {
@Override
public void run() {
Object result = invoker.callback();
if (result != null) {
EhCacheManager.set(region, key, (Serializable) result);
RedisCacheManager.set(region, key, (Serializable) result);
}
}
});
}
}
}
return data;
}
public static void updateNow(final String region, final String key, final Serializable value) {
RedisCacheManager.set(region, key, value);
EhCacheManager.set(region, key, value);
}
public static void evict(final String region, final String key) {
EhCacheManager.evict(region, key);
RedisCacheManager.evict(region, key);
}
public static void destroy() {
EhCacheManager.destroy();
RedisCacheManager.destroy();
}
