components/camel-jcache/src/test/java/org/apache/camel/component/jcache/policy/CacheManagerFromRegistryTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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package org.apache.camel.component.jcache.policy;

import java.net.URI;
import javax.cache.Cache;
import javax.cache.CacheManager;
import javax.cache.Caching;

import com.hazelcast.instance.HazelcastInstanceFactory;

import org.apache.camel.BindToRegistry;
import org.apache.camel.builder.RouteBuilder;
import org.junit.After;
import org.junit.Test;

//This test requires a registered CacheManager, but the others do not.
public class CacheManagerFromRegistryTest extends JCachePolicyTestBase {

    @BindToRegistry("cachemanager-hzsecond")
    private CacheManager cc = Caching.getCachingProvider().getCacheManager(URI.create("hzsecond"), null);

    // Register cacheManager in CamelContext. Set cacheName
    @Test
    public void testCacheManagerFromContext() throws Exception {
        final String key = randomString();

        // Send exchange
        Object responseBody = this.template().requestBody("direct:policy-context-manager", key);

        // Verify the cacheManager "hzsecond" registered in the CamelContext was
        // used
        assertNull(lookupCache("contextCacheManager"));
        CacheManager cacheManager = Caching.getCachingProvider().getCacheManager(URI.create("hzsecond"), null);
        Cache cache = cacheManager.getCache("contextCacheManager");

        assertEquals(generateValue(key), cache.get(key));
        assertEquals(generateValue(key), responseBody);
        assertEquals(1, getMockEndpoint("mock:value").getExchanges().size());
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {

                JCachePolicy jcachePolicy = new JCachePolicy();
                jcachePolicy.setCacheName("contextCacheManager");

                from("direct:policy-context-manager").policy(jcachePolicy).to("mock:value");
            }
        };
    }

    @Override
    @After
    public void after() {
        super.after();
        CacheManager cacheManager = Caching.getCachingProvider().getCacheManager(URI.create("hzsecond"), null);
        cacheManager.getCacheNames().forEach((s) -> cacheManager.destroyCache(s));
        Caching.getCachingProvider().close(URI.create("hzsecond"), null);

        // We need to shutdown the second instance using the Hazelcast api.
        // close(URI,ClassLoader) doesn't do that.
        HazelcastInstanceFactory.getHazelcastInstance("hzsecond").shutdown();
    }

}