Java tutorial
/* * Copyright 2011-2013 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 * * 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 * limitations under the License. */ package org.hibernate.ogm.datastore.redis.impl; import lombok.Getter; import org.apache.commons.pool.impl.GenericObjectPool; import org.hibernate.ogm.datastore.redis.Environment; import org.hibernate.ogm.datastore.spi.DatastoreProvider; import org.hibernate.ogm.dialect.GridDialect; import org.hibernate.ogm.dialect.redis.RedisDialect; import org.hibernate.ogm.helper.JsonHelper; import org.hibernate.ogm.repository.RedisRepository; import org.hibernate.service.spi.Configurable; import org.hibernate.service.spi.Startable; import org.hibernate.service.spi.Stoppable; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import redis.clients.jedis.JedisPool; import java.util.Map; import java.util.Properties; import java.util.concurrent.atomic.AtomicBoolean; import java.util.regex.Pattern; /** * Redis ?? DatastoreProvider * * @author ? sunghyouk.bae@gmail.com * @since 13. 5. 3. 9:15 */ public class RedisDatastoreProvider implements DatastoreProvider, Startable, Stoppable, Configurable { private static final long serialVersionUID = 5522668853021833574L; private static final Logger log = LoggerFactory.getLogger(RedisDatastoreProvider.class); private static final boolean isTraceEnabled = log.isTraceEnabled(); private static final boolean isDebugEnabled = log.isDebugEnabled(); private Properties props = new Properties(); private AtomicBoolean isCacheStarted = new AtomicBoolean(false); private final JsonHelper jsonHelper = new JsonHelper(); private Map<String, String> requiredProperties; private Pattern setterPattern; /** JedisPool */ private JedisPool pool; /** Jedis Client */ @Getter private RedisRepository redisClient; @Override public void configure(Map configurationValues) { if (configurationValues != null) { for (Object key : configurationValues.keySet()) { props.put(key, configurationValues.get(key)); log.trace("Config key=[{}], value=[{}]", key, props.get(key)); } } } @Override public Class<? extends GridDialect> getDefaultDialect() { return RedisDialect.class; } @Override public void start() { if (isCacheStarted.get()) return; log.info("RedisDatastoreProvider ..."); try { pool = setupJedis(); redisClient = new RedisRepository(pool); isCacheStarted.set(true); log.info("RedisDatastoreProvider ."); } catch (Exception e) { log.error("Redis DatastoreProvider ? ?.", e); throw new RuntimeException( "Redis DatastoreProvider ? ?.", e); } } @Override public void stop() { if (!isCacheStarted.get()) return; log.info("RedisDatastoreProvider ..."); try { redisClient = null; if (pool != null) pool.destroy(); isCacheStarted.compareAndSet(true, false); log.info("RedisDatastoreProvider ."); } catch (Exception e) { log.error("Redis DatastoreProvider ? ?.", e); throw new RuntimeException( "Redis DatastoreProvider ? ?.", e); } } private synchronized JedisPool setupJedis() { String host = props.getProperty(Environment.REDIS_HOST, Environment.REDIS_DEFAULT_HOST); String port = props.getProperty(Environment.REDIS_PORT, Environment.REDIS_DEFAULT_PORT); String timeout = props.getProperty(Environment.REDIS_TIMEOUT, Environment.REDIS_DEFAULT_TIMEOUT); String password = props.getProperty(Environment.REDIS_PASSWORD, Environment.REDIS_DEFAULT_PASSWORD); String database = props.getProperty(Environment.REDIS_DATABASE, Environment.REDIS_DEFAULT_DATABASE); if (log.isDebugEnabled()) log.debug("Create JedisPool... host=[{}], port=[{}], timeout=[{}], password=[{}], database=[{}]", host, port, timeout, password, database); return new JedisPool(getPoolConfig(), host, Integer.decode(port), Integer.decode(timeout), password, Integer.decode(database)); } private GenericObjectPool.Config getPoolConfig() { GenericObjectPool.Config poolConfig = new GenericObjectPool.Config(); // TODO: ? ? ??? . return poolConfig; } }