spring-session IndexDocTests 源码

spring-session IndexDocTests 代码

文件路径：/spring-session-docs/modules/ROOT/examples/java/docs/IndexDocTests.java

/*
 * Copyright 2014-2019 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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
 * limitations under the License.
 */

package docs;

import java.time.Duration;
import java.util.concurrent.ConcurrentHashMap;

import com.hazelcast.config.Config;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import org.junit.jupiter.api.Test;

import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.ReactiveRedisTemplate;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.mock.web.MockServletContext;
import org.springframework.session.MapSession;
import org.springframework.session.MapSessionRepository;
import org.springframework.session.ReactiveSessionRepository;
import org.springframework.session.Session;
import org.springframework.session.SessionRepository;
import org.springframework.session.data.redis.ReactiveRedisSessionRepository;
import org.springframework.session.data.redis.RedisIndexedSessionRepository;
import org.springframework.session.hazelcast.HazelcastIndexedSessionRepository;
import org.springframework.session.jdbc.JdbcIndexedSessionRepository;
import org.springframework.session.web.http.SessionRepositoryFilter;
import org.springframework.transaction.support.TransactionTemplate;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * @author Rob Winch
 * @author Vedran Pavic
 */
class IndexDocTests {

	private static final String ATTR_USER = "user";

	@Test
	void repositoryDemo() {
		RepositoryDemo<MapSession> demo = new RepositoryDemo<>();
		demo.repository = new MapSessionRepository(new ConcurrentHashMap<>());

		demo.demo();
	}

	// tag::repository-demo[]
	public class RepositoryDemo<S extends Session> {

		private SessionRepository<S> repository; // <1>

		public void demo() {
			S toSave = this.repository.createSession(); // <2>

			// <3>
			User rwinch = new User("rwinch");
			toSave.setAttribute(ATTR_USER, rwinch);

			this.repository.save(toSave); // <4>

			S session = this.repository.findById(toSave.getId()); // <5>

			// <6>
			User user = session.getAttribute(ATTR_USER);
			assertThat(user).isEqualTo(rwinch);
		}

		// ... setter methods ...

	}
	// end::repository-demo[]

	@Test
	void expireRepositoryDemo() {
		ExpiringRepositoryDemo<MapSession> demo = new ExpiringRepositoryDemo<>();
		demo.repository = new MapSessionRepository(new ConcurrentHashMap<>());

		demo.demo();
	}

	// tag::expire-repository-demo[]
	public class ExpiringRepositoryDemo<S extends Session> {

		private SessionRepository<S> repository; // <1>

		public void demo() {
			S toSave = this.repository.createSession(); // <2>
			// ...
			toSave.setMaxInactiveInterval(Duration.ofSeconds(30)); // <3>

			this.repository.save(toSave); // <4>

			S session = this.repository.findById(toSave.getId()); // <5>
			// ...
		}

		// ... setter methods ...

	}
	// end::expire-repository-demo[]

	@Test
	@SuppressWarnings("unused")
	void newRedisIndexedSessionRepository() {
		// tag::new-redisindexedsessionrepository[]
		RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();

		// ... configure redisTemplate ...

		SessionRepository<? extends Session> repository = new RedisIndexedSessionRepository(redisTemplate);
		// end::new-redisindexedsessionrepository[]
	}

	@Test
	@SuppressWarnings("unused")
	void newReactiveRedisSessionRepository() {
		LettuceConnectionFactory connectionFactory = new LettuceConnectionFactory();
		RedisSerializationContext<String, Object> serializationContext = RedisSerializationContext
				.<String, Object>newSerializationContext(new JdkSerializationRedisSerializer()).build();

		// tag::new-reactiveredissessionrepository[]
		// ... create and configure connectionFactory and serializationContext ...

		ReactiveRedisTemplate<String, Object> redisTemplate = new ReactiveRedisTemplate<>(connectionFactory,
				serializationContext);

		ReactiveSessionRepository<? extends Session> repository = new ReactiveRedisSessionRepository(redisTemplate);
		// end::new-reactiveredissessionrepository[]
	}

	@Test
	@SuppressWarnings("unused")
	void mapRepository() {
		// tag::new-mapsessionrepository[]
		SessionRepository<? extends Session> repository = new MapSessionRepository(new ConcurrentHashMap<>());
		// end::new-mapsessionrepository[]
	}

	@Test
	@SuppressWarnings("unused")
	void newJdbcIndexedSessionRepository() {
		// tag::new-jdbcindexedsessionrepository[]
		JdbcTemplate jdbcTemplate = new JdbcTemplate();

		// ... configure jdbcTemplate ...

		TransactionTemplate transactionTemplate = new TransactionTemplate();

		// ... configure transactionTemplate ...

		SessionRepository<? extends Session> repository = new JdbcIndexedSessionRepository(jdbcTemplate,
				transactionTemplate);
		// end::new-jdbcindexedsessionrepository[]
	}

	@Test
	@SuppressWarnings("unused")
	void newHazelcastIndexedSessionRepository() {
		// tag::new-hazelcastindexedsessionrepository[]

		Config config = new Config();

		// ... configure Hazelcast ...

		HazelcastInstance hazelcastInstance = Hazelcast.newHazelcastInstance(config);

		HazelcastIndexedSessionRepository repository = new HazelcastIndexedSessionRepository(hazelcastInstance);
		// end::new-hazelcastindexedsessionrepository[]
	}

	@Test
	void runSpringHttpSessionConfig() {
		AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
		context.register(SpringHttpSessionConfig.class);
		context.setServletContext(new MockServletContext());
		context.refresh();

		try {
			context.getBean(SessionRepositoryFilter.class);
		}
		finally {
			context.close();
		}
	}

	private static final class User {

		private User(String username) {
		}

	}

}

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