Java tutorial
/* * * 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 limitations * under the License. * */ package org.apache.qpid.server.store.berkeleydb; import java.io.File; import java.net.InetAddress; import org.apache.commons.configuration.XMLConfiguration; import org.apache.qpid.server.configuration.VirtualHostConfiguration; import org.apache.qpid.server.util.BrokerTestHelper; import org.apache.qpid.server.virtualhost.VirtualHost; import org.apache.qpid.test.utils.QpidTestCase; import org.apache.qpid.util.FileUtils; import com.sleepycat.je.Environment; import com.sleepycat.je.EnvironmentConfig; import com.sleepycat.je.rep.ReplicatedEnvironment; import com.sleepycat.je.rep.ReplicationConfig; public class BDBHAMessageStoreTest extends QpidTestCase { private static final String TEST_LOG_FILE_MAX = "1000000"; private static final String TEST_ELECTION_RETRIES = "1000"; private static final String TEST_NUMBER_OF_THREADS = "10"; private static final String TEST_ENV_CONSISTENCY_TIMEOUT = "9999999"; private String _groupName; private String _workDir; private int _masterPort; private String _host; private XMLConfiguration _configXml; private VirtualHost _virtualHost; public void setUp() throws Exception { super.setUp(); _workDir = TMP_FOLDER + File.separator + getName(); _host = InetAddress.getByName("localhost").getHostAddress(); _groupName = "group" + getName(); _masterPort = -1; FileUtils.delete(new File(_workDir), true); _configXml = new XMLConfiguration(); BrokerTestHelper.setUp(); } public void tearDown() throws Exception { try { FileUtils.delete(new File(_workDir), true); if (_virtualHost != null) { _virtualHost.close(); } } finally { BrokerTestHelper.tearDown(); super.tearDown(); } } public void testSetSystemConfiguration() throws Exception { // create virtual host configuration, registry and host instance addVirtualHostConfiguration(); String vhostName = "test" + _masterPort; VirtualHostConfiguration configuration = new VirtualHostConfiguration(vhostName, _configXml.subset("virtualhosts.virtualhost." + vhostName), BrokerTestHelper.createBrokerMock()); _virtualHost = BrokerTestHelper.createVirtualHost(configuration); BDBHAMessageStore store = (BDBHAMessageStore) _virtualHost.getMessageStore(); // test whether JVM system settings were applied Environment env = store.getEnvironment(); assertEquals("Unexpected number of cleaner threads", TEST_NUMBER_OF_THREADS, env.getConfig().getConfigParam(EnvironmentConfig.CLEANER_THREADS)); assertEquals("Unexpected log file max", TEST_LOG_FILE_MAX, env.getConfig().getConfigParam(EnvironmentConfig.LOG_FILE_MAX)); ReplicatedEnvironment repEnv = store.getReplicatedEnvironment(); assertEquals("Unexpected number of elections primary retries", TEST_ELECTION_RETRIES, repEnv.getConfig().getConfigParam(ReplicationConfig.ELECTIONS_PRIMARY_RETRIES)); assertEquals("Unexpected number of elections primary retries", TEST_ENV_CONSISTENCY_TIMEOUT, repEnv.getConfig().getConfigParam(ReplicationConfig.ENV_CONSISTENCY_TIMEOUT)); } private void addVirtualHostConfiguration() throws Exception { int port = findFreePort(); if (_masterPort == -1) { _masterPort = port; } String nodeName = getNodeNameForNodeAt(port); String vhostName = "test" + port; String vhostPrefix = "virtualhosts.virtualhost." + vhostName; _configXml.addProperty("virtualhosts.virtualhost.name", vhostName); _configXml.addProperty(vhostPrefix + ".store.class", BDBHAMessageStore.class.getName()); _configXml.addProperty(vhostPrefix + ".store.environment-path", _workDir + File.separator + port); _configXml.addProperty(vhostPrefix + ".store.highAvailability.groupName", _groupName); _configXml.addProperty(vhostPrefix + ".store.highAvailability.nodeName", nodeName); _configXml.addProperty(vhostPrefix + ".store.highAvailability.nodeHostPort", getNodeHostPortForNodeAt(port)); _configXml.addProperty(vhostPrefix + ".store.highAvailability.helperHostPort", getHelperHostPort()); _configXml.addProperty(vhostPrefix + ".store.envConfig(-1).name", EnvironmentConfig.CLEANER_THREADS); _configXml.addProperty(vhostPrefix + ".store.envConfig.value", TEST_NUMBER_OF_THREADS); _configXml.addProperty(vhostPrefix + ".store.envConfig(-1).name", EnvironmentConfig.LOG_FILE_MAX); _configXml.addProperty(vhostPrefix + ".store.envConfig.value", TEST_LOG_FILE_MAX); _configXml.addProperty(vhostPrefix + ".store.repConfig(-1).name", ReplicationConfig.ELECTIONS_PRIMARY_RETRIES); _configXml.addProperty(vhostPrefix + ".store.repConfig.value", TEST_ELECTION_RETRIES); _configXml.addProperty(vhostPrefix + ".store.repConfig(-1).name", ReplicationConfig.ENV_CONSISTENCY_TIMEOUT); _configXml.addProperty(vhostPrefix + ".store.repConfig.value", TEST_ENV_CONSISTENCY_TIMEOUT); } private String getNodeNameForNodeAt(final int bdbPort) { return "node" + getName() + bdbPort; } private String getNodeHostPortForNodeAt(final int bdbPort) { return _host + ":" + bdbPort; } private String getHelperHostPort() { if (_masterPort == -1) { throw new IllegalStateException("Helper port not yet assigned."); } return _host + ":" + _masterPort; } }