Examples with Cache org.apache.dubbo.cache.Cache used on opensource projects

Example 6 with Cache

use of org.apache.dubbo.cache.Cache in project dubbo by alibaba.

the class CacheFilter method invoke.

/**
 * If cache is configured, dubbo will invoke method on each method call. If cache value is returned by cache store
 * then it will return otherwise call the remote method and return value. If remote method's return value has error
 * then it will not cache the value.
 * @param invoker    service
 * @param invocation invocation.
 * @return Cache returned value if found by the underlying cache store. If cache miss it will call target method.
 * @throws RpcException
 */
@Override
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    if (cacheFactory != null && ConfigUtils.isNotEmpty(invoker.getUrl().getMethodParameter(invocation.getMethodName(), CACHE_KEY))) {
        Cache cache = cacheFactory.getCache(invoker.getUrl(), invocation);
        if (cache != null) {
            String key = StringUtils.toArgumentString(invocation.getArguments());
            Object value = cache.get(key);
            if (value != null) {
                if (value instanceof ValueWrapper) {
                    return AsyncRpcResult.newDefaultAsyncResult(((ValueWrapper) value).get(), invocation);
                } else {
                    return AsyncRpcResult.newDefaultAsyncResult(value, invocation);
                }
            }
            Result result = invoker.invoke(invocation);
            if (!result.hasException()) {
                cache.put(key, new ValueWrapper(result.getValue()));
            }
            return result;
        }
    }
    return invoker.invoke(invocation);
}

Example 7 with Cache

use of org.apache.dubbo.cache.Cache in project dubbo by alibaba.

the class JCacheFactoryTest method testJCacheFactory.

@Test
public void testJCacheFactory() throws Exception {
    Cache cache = super.constructCache();
    assertThat(cache instanceof JCache, is(true));
}

Example 8 with Cache

use of org.apache.dubbo.cache.Cache in project dubbo by alibaba.

the class ExpiringCacheFactoryTest method testExpiringCacheUnExpired.

@Test
public void testExpiringCacheUnExpired() throws Exception {
    URL url = URL.valueOf("test://test:12/test?cache=expiring&cache.seconds=0&cache.interval=1");
    AbstractCacheFactory cacheFactory = getCacheFactory();
    Invocation invocation = new RpcInvocation();
    Cache cache = cacheFactory.getCache(url, invocation);
    cache.put("testKey", "testValue");
    Thread.sleep(1100);
    assertNotNull(cache.get("testKey"));
}

Example 9 with Cache

use of org.apache.dubbo.cache.Cache in project dubbo by alibaba.

the class ExpiringCacheFactoryTest method testExpiringCacheExpired.

@Test
public void testExpiringCacheExpired() throws Exception {
    Cache cache = constructCache();
    assertThat(cache instanceof ExpiringCache, is(true));
    // 500ms
    TimeUnit.MILLISECONDS.sleep(500);
    cache.put("testKey", "testValue");
    // 1000ms ExpireThread clear all expire cache
    TimeUnit.MILLISECONDS.sleep(500);
    // 1700ms  get should be null
    TimeUnit.MILLISECONDS.sleep(700);
    assertNull(cache.get("testKey"));
}

Example 10 with Cache

use of org.apache.dubbo.cache.Cache in project dubbo by alibaba.

the class ExpiringCacheFactoryTest method testExpiringCacheFactory.

@Test
public void testExpiringCacheFactory() throws Exception {
    Cache cache = super.constructCache();
    assertThat(cache instanceof ExpiringCache, is(true));
}