spring-cache

问题 Is there a way of indicating to expire/evict the cache object based on a property of the POJO cached. In below code, it caches Foo instance. Foo class has a expiresIn property class Foo { Date expiresIn; } I want to hint to spring to expire the cache based on the value of expiresIn property of cached element. Is this feasible? @Cacheable("my-cache-key") Foo getCachedToken(String userName, String password) throws AuthException My Cache.xml is below: <cache:annotation-driven/> <bean id=

问题 I have a Spring controller and want to cache the response. When I move the @Cacheable annotation from the getBooks to the doGetBooks method, the caching will stop. Once I move it back to the getBooks method caching works again. Why is that and how can I fix it? This will cache the public method response @GetMapping @Cacheable(value = "cache", key = "{ #root.methodName }") public Books getBooks(@RequestHeader(value = "user-agent", required = false) String userAgent) throws Exception { if(valid

问题 Planning to implement cache mechanism for static data in spring web based application, can any one explain which is the best and how it works? EhCache Spring Cache 回答1: Disclaimer : I am a Terracotta / Software AG employee, the maintainers of Ehcache Ehcache is a JVM caching library, famous for being used as the default 2nd level cache for the Hibernate ORM Spring cache was introduced in Spring 3.1, and brought annotations such as @CachePut to define uses of caches in a Spring application; by

问题 @CacheConfig(cacheManager = ACacheManager, cacheNames = ACache) class A { @Cacheable(key = "#user.userName", cacheManager="ACacheManager", cacheNames= {"ACache"}) methodA (User user) { } } @CacheConfig(cacheManager = BCacheManager, cacheNames = BCache) class B extends A { @Cacheable(key = "#user.userName", cacheManager="BCacheManager", cacheNames= {"BCache"}) @Override methodA (User user) { } } A a = new A(); a.methodA(); Result should save in ACacheManager's cache ACache A b = new B(); b

问题 Am maintaining a codebase which was written in Spring MVC 4.3.9.RELEASE (not Spring Boot)... Under src/main/resources: There are two different database configuration files: sampledb.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org

问题 I am spring caching abstraction annotations to apply caching to my service methods. Since I am using Redis as the cache store, I want to use the option of expiring cache at a specific time, since that is supported by Redis. expireat command in redis can be used to set expire time at a future time. I am not sure how I can do that for the keys which are part of my cache when using RedisCache. I tried to customize RedisCacheManager by creating a bean of it. I see there is a getNativeCache()

问题 In spring application we have two controllers i.e. controller1, controller2 and one services i.e. service1 i want to use method caching and for that i have configured spring cache. i am caching method named method1 in service1 with @Cacheable(value = "cache1") and for removing cache i am using @CacheEvict(value = "cache1", allEntries = true) on another method named method2 in service1. so caching works fine but evicting not working as i want. so if i call method1 (cachable method) from

问题 I am using following classes in one of controllers of (spring-boot.1.5.12 release) I am unable to find matching classes in spring 2.1.9 release. The following is the code snippet import org.springframework.boot.actuate.endpoint.CachePublicMetrics; import org.springframework.boot.actuate.metrics.Metric; public class CachingController extends CloudRestTemplate { @Autowired private CachePublicMetrics metrics; public @ResponseBody Map<String, Object> getData(@Pattern(regexp=Constants.STRING_VALID

问题 I've got a method in UserService: @Cacheable(value="user", key="#p0") public User find(String name) { return userRepository.findOneByName(name); } And it caches. But then I try to get all keys from 'user' cache: CacheManager cacheManager = CacheManager.getInstance(); cacheManager.getCache("user").getKeys().forEach(o -> log.debug(o.toString())); Output: com.cache.domain.User#1 Instead, for example, 'John Doe'. 回答1: See the Javadoc of getKeys Returns a list of all elements in the cache, whether

问题 I am new to Spring caching. I am using spring-boot-starter-1.4.0.RELEASE in my maven pom. As far as I understand the documentation, if I take something like this: @Configuration @EnableCaching public class TestApplication { @Bean public CacheManager cacheManager() { // configure and return an implementation of Spring's CacheManager SPI SimpleCacheManager cacheManager = new SimpleCacheManager(); cacheManager.setCaches(Arrays.asList(new ConcurrentMapCache("default"))); return cacheManager; }