Java tutorial
/* * Copyright 2015 Ben PY Tarng * * 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 com.pytsoft.cachelock; import com.pytsoft.cachelock.core.CacheLock; import com.pytsoft.cachelock.core.RedisClusterLock; import com.pytsoft.cachelock.connector.RedisClusterClient; import com.pytsoft.cachelock.exception.LockFailedException; import org.apache.commons.pool2.impl.GenericObjectPoolConfig; import org.junit.Before; import org.junit.Test; import redis.clients.jedis.HostAndPort; import redis.clients.jedis.JedisCluster; import java.util.HashSet; import java.util.Set; /** * Test cases class for {@code LockSmith} for redis cluster. * * @author Ben PY Tarng * @see com.pytsoft.cachelock.LockSmith * @since 1.0.0 */ public class LockSmithTest_RedisCluster_Jedis extends LockSmithTest { private JedisCluster cluster; @Before public void init() { Set<HostAndPort> jedisClusterNodes = new HashSet<HostAndPort>(); HostAndPort hostAndPort = new HostAndPort(this.cacheServerHost, this.redisServerPort); jedisClusterNodes.add(hostAndPort); GenericObjectPoolConfig config = new GenericObjectPoolConfig(); config.setBlockWhenExhausted(true); config.setMaxTotal(20); config.setMaxIdle(10); config.setMinIdle(5); config.setMaxWaitMillis(5000); this.cluster = new JedisCluster(jedisClusterNodes, config); } @Test @Override public void lock_then_unlock() throws LockFailedException { CacheLock lock = null; try { RedisClusterClient client = new RedisClusterClient(this.cluster); lock = new RedisClusterLock(this.testTargetKey, client); this.locker.lock(lock); LOG.info(String.format("Lock acquired successfully for key[%s]!", this.testTargetKey)); } finally { this.locker.unlock(lock); LOG.info(String.format("Lock released successfully for key[%s]!", this.testTargetKey)); } } }