org.springframework.cache.CacheManager Java Examples

@Bean
@Override
public CacheManager cacheManager() {
  // 初始化一个 RedisCacheWriter
  final RedisCacheWriter redisCacheWriter =
      RedisCacheWriter.nonLockingRedisCacheWriter(this.redisConnectionFactory);
  final RedisCacheConfiguration defaultCacheConfig =
      RedisCacheConfiguration.defaultCacheConfig()
          // 不缓存 null 值
          // .disableCachingNullValues()
          // 使用注解时的序列化、反序列化对
          .serializeKeysWith(MyRedisCacheManager.STRING_PAIR)
          .serializeValuesWith(MyRedisCacheManager.FASTJSON_PAIR);
  // 初始化RedisCacheManager
  return new MyRedisCacheManager(redisCacheWriter, defaultCacheConfig);
}
 

@Test
void loadBalancerCacheShouldNotOverrideExistingCaffeineCacheManager() {
	ApplicationContextRunner contextRunner = baseApplicationRunner()
			.withUserConfiguration(TestConfiguration.class);

	contextRunner.run(context -> {
		assertThat(context.getBeansOfType(CacheManager.class)).hasSize(2);
		assertThat(context.getBean("cacheManager"))
				.isInstanceOf(CaffeineCacheManager.class);
		assertThat(((CacheManager) context.getBean("cacheManager")).getCacheNames())
				.isEmpty();
		assertThat(
				((CacheManager) context.getBean("caffeineLoadBalancerCacheManager"))
						.getCacheNames()).hasSize(1);
		assertThat(
				((CacheManager) context.getBean("caffeineLoadBalancerCacheManager"))
						.getCacheNames())
								.contains("CachingServiceInstanceListSupplierCache");
	});

}
 

@Test
public void testGetShoppingCartNullOrEmptyToken() throws Exception {

    final ShoppingCartStateService shoppingCartStateService = context.mock(ShoppingCartStateService.class, "shoppingCartStateService");
    final ShopService shopService = context.mock(ShopService.class, "shopService");
    final CartUpdateProcessor cartUpdateProcessor = context.mock(CartUpdateProcessor.class, "cartUpdateProcessor");
    final TaskExecutor taskExecutor = context.mock(TaskExecutor.class, "taskExecutor");
    final CacheManager cacheManager = context.mock(CacheManager.class, "cacheManager");
    final Cache cartCache = context.mock(Cache.class, "cartCache");

    context.checking(new Expectations() {{
        oneOf(cacheManager).getCache("web.shoppingCart"); will(returnValue(cartCache));
    }});

    final ResilientCartRepositoryImpl repo = new ResilientCartRepositoryImpl(shoppingCartStateService, shopService, cartUpdateProcessor, mockCartSerDes, 60, cacheManager, taskExecutor);

    assertNull(repo.getShoppingCart(null));
    assertNull(repo.getShoppingCart("  "));

    context.assertIsSatisfied();

}
 

@Override
public void clearNamedCache(String cacheName) {

    try {
        CacheManager cm = CoreImplServiceLocator.getCacheManagerRegistry().getCacheManagerByCacheName(cacheName);
        if ( cm != null ) {
            Cache cache = cm.getCache(cacheName);
            if (cache != null) {
                cache.clear();
                if ( LOG.isDebugEnabled() ) {
                    LOG.debug( "Cleared " + cacheName + " cache." );
                }
            } else {
                // this is at debug level intentionally, since not all BOs have caches
                LOG.debug( "Unable to find cache for " + cacheName + ".");
            }
        } else {
            LOG.info( "Unable to find cache manager when attempting to clear " + cacheName );
        }
    } catch (RiceIllegalArgumentException e) {
        LOG.info( "Cache manager not found when attempting to clear " + cacheName );
    }

}
 

@Test
public void givenValidCacheManager_whenGetAllRecords_thenReadAllStoredRecords() {
    CacheManager cacheManager = mock(CacheManager.class);
    Cache cache = mock(Cache.class);
    net.sf.ehcache.Cache ehCache = PowerMockito.mock(net.sf.ehcache.Cache.class);

    Map<Integer, String> entries = new HashMap<>();
    entries.put(1, "a");
    entries.put(2, "b");
    entries.put(3, "c");
    List<Object> keys = new ArrayList<>(entries.keySet());

    when(cacheManager.getCache("knownCacheName")).thenReturn(cache);
    when(cache.getNativeCache()).thenReturn(ehCache);
    when(ehCache.getKeys()).thenReturn(keys);
    when(ehCache.getAll(keys)).thenReturn(convert(entries));

    Collection<String> values = underTest.getAllRecords(cacheManager, "knownCacheName");
    assertNotNull(values);
    assertEquals(3, values.size());
    assertTrue(values.contains("a"));
    assertTrue(values.contains("b"));
    assertTrue(values.contains("c"));
}
 

public WebServiceDataSource(
         Config config,
         CacheManager cacheManager,
         ThreadPoolFactory threadPoolFactory,
         ConnectionFactory connectionFactory) {
     super(config);
     this.cacheManager = cacheManager;
     this.threadPoolFactory = threadPoolFactory;
     this.connectionFactory = connectionFactory;

     this.threadPool = createThreadPool();

     Properties props = getConfig().getProperties();
     if(props.containsKey(Config.PROP_CACHE_ENABLED)) {
         setCacheEnabled(Boolean.valueOf(props.getProperty(Config.PROP_CACHE_ENABLED)));
     }
}
 

public UserService(UserRepository userRepository, PasswordEncoder passwordEncoder, AuthorityRepository authorityRepository, CacheManager cacheManager, JwtAuthenticationConfig config) {
    this.userRepository = userRepository;
    this.passwordEncoder = passwordEncoder;
    this.authorityRepository = authorityRepository;
    this.cacheManager = cacheManager;
    this.config = config;
}
 

protected JCacheOperationSource createOperationSource(CacheManager cacheManager,
		CacheResolver cacheResolver, CacheResolver exceptionCacheResolver, KeyGenerator keyGenerator) {

	DefaultJCacheOperationSource source = new DefaultJCacheOperationSource();
	source.setCacheManager(cacheManager);
	source.setCacheResolver(cacheResolver);
	source.setExceptionCacheResolver(exceptionCacheResolver);
	source.setKeyGenerator(keyGenerator);
	source.setBeanFactory(new StaticListableBeanFactory());
	source.afterPropertiesSet();
	source.afterSingletonsInstantiated();
	return source;
}
 

@Test
@Ignore
public void testWriteBehindPutEvictSync() throws InterruptedException {
    CacheManager cacheManager = StaticSpringContext.getBean(CacheManager.class);
    Cache cache = cacheManager.getCache("writeBehindCache");
    net.sf.ehcache.Cache nativeCache = (net.sf.ehcache.Cache) cache.getNativeCache();
    System.out.println("cache put:" + "test");
    nativeCache.putWithWriter(new Element(1, "test"));
    System.out.println("cache get:" + cache.get(1).get());
    System.out.println("cache evict:" + 1);
    nativeCache.removeWithWriter(1);
    System.out.println("sleep:" + 2 + "s");
    Thread.sleep(2000);
}
 

@Override
public void beforeTestMethod(TestContext testContext) {
    testContext.getApplicationContext().getBeansOfType(CacheManager.class).forEach(
            (cacheManagerName, cacheManager) ->
                    cacheManager.getCacheNames().forEach(name -> cacheManager.getCache(name).clear())
    );
}
 

@Override
    @Bean
    public CacheManager cacheManager() {

        // 设置序列化
        RedisSerializer<String> stringSerializer = new StringRedisSerializer();
        FastJsonRedisSerializer<Object> fastJsonRedisSerializer = new FastJsonRedisSerializer<>(Object.class);

        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(stringSerializer))
                // value序列化方式
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(fastJsonRedisSerializer))
//                .disableCachingNullValues()
                // 缓存过期时间
                .entryTtl(Duration.ofMinutes(5));

        RedisCacheManager.RedisCacheManagerBuilder builder = RedisCacheManager.RedisCacheManagerBuilder
                .fromConnectionFactory(lettuceConnectionFactory)
                .cacheDefaults(config)
                .transactionAware();
        @SuppressWarnings("serial")
        Set<String> cacheNames = new HashSet<String>() {
            {
                add("codeNameCache");
            }
        };
        builder.initialCacheNames(cacheNames);
        return builder.build();
    }
 

@Override
public Collection<String> getCacheNames() {
	Set<String> names = new LinkedHashSet<String>();
	for (CacheManager manager : this.cacheManagers) {
		names.addAll(manager.getCacheNames());
	}
	return Collections.unmodifiableSet(names);
}
 

@Bean
    public CacheManager cacheManager(RedisConnectionFactory factory) {
        //对象的序列化
        RedisSerializationContext.SerializationPair valueSerializationPair
                = RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer());
        //全局redis缓存过期时间
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofDays(1))
//                .serializeKeysWith()
                .serializeValuesWith(valueSerializationPair);

        return new RedisCacheManager(RedisCacheWriter.nonLockingRedisCacheWriter(factory), redisCacheConfiguration);
    }
 

private void fooGetSimple(ApplicationContext context, FooService service) {
	CacheManager cacheManager = context.getBean(CacheManager.class);

	Cache cache = cacheManager.getCache("testCache");

	Object key = new Object();
	assertCacheMiss(key, cache);

	Object value = service.getSimple(key);
	assertCacheHit(key, value, cache);
}
 

@Test
public void testCustomCacheManager() {
	CacheManager customCm = ctx.getBean("customCacheManager", CacheManager.class);
	Object key = new Object();
	Object r1 = cs.customCacheManager(key);
	assertSame(r1, cs.customCacheManager(key));

	Cache cache = customCm.getCache("testCache");
	assertNotNull(cache.get(key));
}
 

public UserService(UserRepository userRepository, PasswordEncoder passwordEncoder, UserSearchRepository userSearchRepository, AuthorityRepository authorityRepository, CacheManager cacheManager) {
    this.userRepository = userRepository;
    this.passwordEncoder = passwordEncoder;
    this.userSearchRepository = userSearchRepository;
    this.authorityRepository = authorityRepository;
    this.cacheManager = cacheManager;
}
 

@Override
@Nullable
public Cache getCache(String name) {
	for (CacheManager cacheManager : this.cacheManagers) {
		Cache cache = cacheManager.getCache(name);
		if (cache != null) {
			return cache;
		}
	}
	return null;
}
 

@Bean
public CacheManager cacheManager() {
	SimpleCacheManager cm = new SimpleCacheManager();
	cm.setCaches(Arrays.asList(
			defaultCache(),
			new ConcurrentMapCache("primary"),
			new ConcurrentMapCache("secondary"),
			new ConcurrentMapCache("exception")));
	return cm;
}
 

/**
 *
 * @param cacheManagers
 * @param defaultCacheManager optional default cache manager, usually it in memory local cache
 */
public ConfigurableCacheResolver(Map<String, CacheManager> cacheManagers,
                                 CacheManager defaultCacheManager,
                                 List<CacheInvalidator> cacheInvalidators) {
    this.cacheManagers = cacheManagers;
    this.defaultCacheManager = defaultCacheManager;
    this.cacheInvalidators = cacheInvalidators;
}
 

@Bean
public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
    RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
            .entryTtl(Duration.ofHours(24)); // 设置缓存有效期一小时
    return RedisCacheManager
            .builder(RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory))
            .cacheDefaults(redisCacheConfiguration).transactionAware().build();
}
 

protected JCacheOperationSource createOperationSource(CacheManager cacheManager,
		CacheResolver cacheResolver, CacheResolver exceptionCacheResolver, KeyGenerator keyGenerator) {

	DefaultJCacheOperationSource source = new DefaultJCacheOperationSource();
	source.setCacheManager(cacheManager);
	source.setCacheResolver(cacheResolver);
	source.setExceptionCacheResolver(exceptionCacheResolver);
	source.setKeyGenerator(keyGenerator);
	source.setBeanFactory(new StaticListableBeanFactory());
	source.afterSingletonsInstantiated();
	return source;
}
 

public CategoryImpexFederationFilterImpl(final ShopFederationStrategy shopFederationStrategy,
                                         final List<String> roles,
                                         final ShopService shopService,
                                         final CategoryService categoryService,
                                         final CacheManager cacheManager,
                                         final List<String> cachesToFlushForTransientEntities) {
    super(shopFederationStrategy, roles, cacheManager, cachesToFlushForTransientEntities);
    this.shopService = shopService;
    this.categoryService = categoryService;
}
 

@Bean
CacheManager cacheManager() {
    Map<String, CacheConfig> config = new HashMap<>();
    // 创建一个名称为"testMap"的缓存，过期时间ttl为24分钟，同时最长空闲时maxIdleTime为12分钟。
    for (String s : value) {
        logger.info("初始化spring cache空间{}",s);
        config.put(s, new CacheConfig(ttl, maxIdleTime));
    }
    return new RedissonSpringCacheManager(redissonClient, config);
}
 

/** 缓存管理器 */
@Bean
public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
    //初始化一个RedisCacheWriter
    RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory);
    //设置CacheManager的值序列化方式为json序列化
    RedisSerializer<Object> jsonSerializer = new GenericJackson2JsonRedisSerializer();
    RedisSerializationContext.SerializationPair<Object> pair = RedisSerializationContext.SerializationPair.fromSerializer(jsonSerializer);
    RedisCacheConfiguration defaultCacheConfig = RedisCacheConfiguration.defaultCacheConfig().serializeValuesWith(pair);
    //设置默认超过期时间是30秒
    defaultCacheConfig = defaultCacheConfig.entryTtl(Duration.ofSeconds(300));
    //初始化RedisCacheManager
    return new RedisCacheManager(redisCacheWriter, defaultCacheConfig);
}
 

private Cache determineCache(Environment environment, CacheManager cacheManager) {
	if (cacheManager != null) {
		Binder binder = Binder.get(environment);
		boolean cache = binder.bind("spring.mustache.cache", Boolean.class).orElse(true);
		if (cache) {
			return cacheManager.getCache("initializr.templates");
		}
	}
	return new NoOpCache("templates");
}
 

@Bean
public CacheManager createSimpleCacheManager() {
    SimpleCacheManager simpleCacheManager = new SimpleCacheManager();
    List<Cache> caches = new ArrayList<>(2);
    caches.add(new ConcurrentMapCache("CacheCluster"));
    caches.add(new ConcurrentMapCache("GitHubSourceCode"));
    simpleCacheManager.setCaches(caches);

    return simpleCacheManager;
}
 

@GetMapping("/{cacheManager}")
public Object getAllCache(@PathVariable("cacheManager") String cacheManager){
    return applicationContext.getBeansOfType(CacheManager.class).entrySet().stream()
            .filter(en->en.getKey().equals(cacheManager))
            .map(en->en.getValue().getCacheNames())
            .findFirst().orElseGet(ArrayDeque::new);
}
 

@Autowired
public OrcidSmartNames(Config config, CacheManager cacheManager, ThreadPoolFactory threadPoolFactory, ConnectionFactory connectionFactory) {
    super(config, cacheManager, threadPoolFactory, connectionFactory);
}
 

@Override
public CacheManager cacheManager() {
	return null;
}
 

@Bean
public DataSource dataSource(CacheManager cacheManager) {
    log.info("Configuring JDBC datasource from a cloud provider");
    return connectionFactory().dataSource();
}