public static <T> T getRule(String businessName, String resolverKey, Class<T> ruleType) {
        final AbstractResolver<?> resolver = ResolverManager.INSTANCE.getResolver(resolverKey);
        return (T)resolver.getRules().get(businessName);
    }
@Test
    public void testGetRule() {
        testResolve();
        final BulkheadRuleResolverTest bulkheadRuleResolverTest = new BulkheadRuleResolverTest();
        final BulkheadRule rule = RuleUtils
                .getRule(bulkheadRuleResolverTest.getBusinessKey(), bulkheadRuleResolverTest.getConfigKey(),
                        BulkheadRule.class);
        Assert.assertNotNull(rule);
    }