Examples of com.alibaba.cobar.client.router.CobarClientInternalRouter

com.alibaba.cobar.client.router.CobarClientInternalRouter
CobarInternalRouter is the default router that will be used in cobar client, but it will not be the only one.
if it can't meet the needs, we can provide other {@link ICobarRouter} like aone that use rule engines.
for now, CobarInternalRouter will hold 4 set of routing rules:
1. sqlActionShardingRules
3. sqlActionRules
5. namespaceShardingRules
7. namespaceRules
rules start with "sqlAction" are rules that will exactly match against the sql-map action id in the routing fact, while rules start with "namesapce" just match against the "namespace" part in the sql action id; we will match these rules in sequence against the routing fact, each later rule will be used as fall-back rule if former match fails.
To enhance the rule matching performance, we add a LRU cache, you can decide whether to use this cache by set the {@link #enableCache} property's value totrue or false.
@author fujohnwang @since 1.0

        if (enableCache) {
            if (cacheSize <= 0) {
                setCacheSize(10000);
            }
        }
        this.router = new CobarClientInternalRouter(enableCache, cacheSize);


        final Set<IRoutingRule<IBatisRoutingFact, List<String>>> sqlActionShardingRules = new HashSet<IRoutingRule<IBatisRoutingFact, List<String>>>();
        final Set<IRoutingRule<IBatisRoutingFact, List<String>>> sqlActionRules = new HashSet<IRoutingRule<IBatisRoutingFact, List<String>>>();
        final Set<IRoutingRule<IBatisRoutingFact, List<String>>> namespaceShardingRules = new HashSet<IRoutingRule<IBatisRoutingFact, List<String>>>();
        final Set<IRoutingRule<IBatisRoutingFact, List<String>>> namespaceRules = new HashSet<IRoutingRule<IBatisRoutingFact, List<String>>>();

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    public void testAssemblingRulesNormally() throws Exception {
        factory.setConfigLocation(new ClassPathResource(
                "com/alibaba/cobar/client/router/config/normal_rule_fixture.xml"));
        factory.afterPropertiesSet();
        CobarClientInternalRouter router = (CobarClientInternalRouter) factory.getObject();
        List<Set<IRoutingRule<IBatisRoutingFact, List<String>>>> rules = router.getRuleSequences();
        assertTrue(CollectionUtils.isNotEmpty(rules));
        assertEquals(4, rules.size());
    }

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                new ClassPathResource(
                        "com/alibaba/cobar/client/router/config/normal_rule_fixture.xml"),
                new ClassPathResource(
                        "com/alibaba/cobar/client/router/config/normal_rule_fixture2.xml") });
        factory.afterPropertiesSet();
        CobarClientInternalRouter router = (CobarClientInternalRouter) factory.getObject();
        List<Set<IRoutingRule<IBatisRoutingFact, List<String>>>> rules = router.getRuleSequences();
        assertTrue(CollectionUtils.isNotEmpty(rules));
        assertEquals(4, rules.size());


        for (Set<IRoutingRule<IBatisRoutingFact, List<String>>> set : rules) {
            assertEquals(1, set.size());

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                new ClassPathResource(
                        "com/alibaba/cobar/client/router/config/normal_rule_fixture.xml"),
                new ClassPathResource(
                        "com/alibaba/cobar/client/router/config/normal_rule_fixture3.xml") });
        factory.afterPropertiesSet();
        CobarClientInternalRouter router = (CobarClientInternalRouter) factory.getObject();
        List<Set<IRoutingRule<IBatisRoutingFact, List<String>>>> rules = router.getRuleSequences();
        assertTrue(CollectionUtils.isNotEmpty(rules));
        assertEquals(4, rules.size());


        assertEquals(1, rules.get(0).size());
        assertEquals(1, rules.get(1).size());

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Related Classes of com.alibaba.cobar.client.router.CobarClientInternalRouter

com.alibaba.cobar.client.router.config.AbstractCobarInternalRouterConfigurationFactoryBean

com.alibaba.cobar.client.router.config.CobarInternalRouterXmlFactoryBeanTest

com.alibaba.cobar.client.router.support.RoutingResult

com.alibaba.cobar.client.support.LRUMap

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