Question

在谷歌代码上提供的ehcache-spring-annotations库中，可以使用配置选项“create-missing-caches”来动态创建动态缓存（未在ehcache.xml中定义缓存）。纯弹簧ehcache抽象（Spring 3.1.1）中是否有类似的配置？或者还有其他方法可以使用spring ehcache抽象创建动态缓存吗？

Answer 1

我能够通过扩展org.springframework.cache.ehcache.EhCacheCacheManager并覆盖getCache（String name）方法来实现。以下是代码段：

public class CustomEhCacheCacheManager extends EhCacheCacheManager {

private static final Logger logger = LoggerFactory
        .getLogger(CustomEhCacheCacheManager.class);

private static final String NO_CACHE_ERROR_MSG = "loadCaches must not return an empty Collection";

@Override
public void afterPropertiesSet() {
    try {
        super.afterPropertiesSet();
    } catch (IllegalArgumentException e) {
        if (NO_CACHE_ERROR_MSG.equals(e.getMessage())) {
            logger.debug("No cache was defined in ehcache.xml. The error "
                    + "thrown by spring because of this was suppressed.");
        } else {
            throw e;
        }
    }
}

@Override
public Cache getCache(String name) {
    Cache cache = super.getCache(name);
    if (cache == null) {
        logger.debug("No cache with name '"
                + name
                + "' is defined in encache.xml. Hence creating the cache dynamically...");
        getCacheManager().addCache(name);
        cache = new EhCacheCache(getCacheManager().getCache(name));
        addCache(cache);
        logger.debug("Cache with name '" + name
                + "' is created dynamically...");
    }
    return cache;
}

}

如果有人有任何其他更好的方法，请告诉我。

如何使用spring ehcache抽象动态创建缓存

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