Java tutorial
/* Copyright (C) GridGain Systems. All Rights Reserved. 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.gridgain.client.impl; import org.apache.commons.io.*; import org.gridgain.client.*; import org.gridgain.client.balancer.*; import org.gridgain.grid.util.*; import org.gridgain.grid.util.typedef.internal.*; import org.gridgain.testframework.junits.common.*; import org.springframework.context.support.*; import java.io.*; import java.net.*; import java.util.*; import static org.gridgain.client.GridClientConfiguration.*; /** * Properties-based configuration self test. */ public class GridClientPropertiesConfigurationSelfTest extends GridCommonAbstractTest { /** * Grid client spring configuration. */ private static final URL GRID_CLIENT_SPRING_CONFIG; /** * Grid client properties-based configuration. */ private static final URL GRID_CLIENT_CONFIG; /** * */ static { GRID_CLIENT_SPRING_CONFIG = U.resolveGridGainUrl("/modules/clients/config/grid-client-spring-config.xml"); GRID_CLIENT_CONFIG = U.resolveGridGainUrl("/modules/clients/config/grid-client-config.properties"); } /** * Test client configuration loaded from the properties. * * @throws Exception In case of exception. */ public void testCreation() throws Exception { // Validate default configuration. GridClientConfiguration cfg = new GridClientConfiguration(); cfg.setServers(Arrays.asList("localhost:11211")); validateConfig(0, cfg); // Validate default properties-based configuration. cfg = new GridClientConfiguration(); cfg.setServers(Arrays.asList("localhost:11211")); validateConfig(0, cfg); // Validate loaded configuration. Properties props = loadProperties(1, GRID_CLIENT_CONFIG); validateConfig(0, new GridClientConfiguration(props)); // Validate loaded configuration with changed key prefixes. Properties props2 = new Properties(); for (Map.Entry<Object, Object> e : props.entrySet()) props2.put("new." + e.getKey(), e.getValue()); validateConfig(0, new GridClientConfiguration("new.gg.client", props2)); validateConfig(0, new GridClientConfiguration("new.gg.client.", props2)); // Validate loaded test configuration. File tmp = uncommentProperties(GRID_CLIENT_CONFIG); props = loadProperties(25, tmp.toURI().toURL()); validateConfig(2, new GridClientConfiguration(props)); // Validate loaded test configuration with changed key prefixes. props2 = new Properties(); for (Map.Entry<Object, Object> e : props.entrySet()) props2.put("new." + e.getKey(), e.getValue()); validateConfig(2, new GridClientConfiguration("new.gg.client", props2)); validateConfig(2, new GridClientConfiguration("new.gg.client.", props2)); // Validate loaded test configuration with empty key prefixes. props2 = new Properties(); for (Map.Entry<Object, Object> e : props.entrySet()) props2.put(e.getKey().toString().replace("gg.client.", ""), e.getValue()); validateConfig(2, new GridClientConfiguration("", props2)); validateConfig(2, new GridClientConfiguration(".", props2)); } /** * Validate spring client configuration. * * @throws Exception In case of any exception. */ public void testSpringConfig() throws Exception { GridClientConfiguration cfg = new FileSystemXmlApplicationContext(GRID_CLIENT_SPRING_CONFIG.toString()) .getBean(GridClientConfiguration.class); assertEquals(Arrays.asList("127.0.0.1:11211"), new ArrayList<>(cfg.getServers())); assertNull(cfg.getSecurityCredentialsProvider()); Collection<GridClientDataConfiguration> dataCfgs = cfg.getDataConfigurations(); assertEquals(1, dataCfgs.size()); GridClientDataConfiguration dataCfg = dataCfgs.iterator().next(); assertEquals("partitioned", dataCfg.getName()); assertNotNull(dataCfg.getPinnedBalancer()); assertEquals(GridClientRandomBalancer.class, dataCfg.getPinnedBalancer().getClass()); assertNotNull(dataCfg.getAffinity()); assertEquals(GridClientPartitionAffinity.class, dataCfg.getAffinity().getClass()); } /** * Uncomment properties. * * @param url Source to uncomment client properties for. * @return Temporary file with uncommented client properties. * @throws IOException In case of IO exception. */ private File uncommentProperties(URL url) throws IOException { InputStream in = url.openStream(); assertNotNull(in); LineIterator it = IOUtils.lineIterator(in, "UTF-8"); Collection<String> lines = new ArrayList<>(); while (it.hasNext()) lines.add(it.nextLine().replace("#gg.client.", "gg.client.")); GridUtils.closeQuiet(in); File tmp = File.createTempFile(UUID.randomUUID().toString(), "properties"); tmp.deleteOnExit(); FileUtils.writeLines(tmp, lines); return tmp; } /** * Load properties from the url. * * @param expLoaded Expected number of loaded properties. * @param url URL to load properties from. * @return Loaded properties. * @throws IOException In case of IO exception. */ private Properties loadProperties(int expLoaded, URL url) throws IOException { InputStream in = url.openStream(); Properties props = new Properties(); assertEquals(0, props.size()); props.load(in); assertEquals(expLoaded, props.size()); GridUtils.closeQuiet(in); return props; } /** * Validate loaded configuration. * * @param expDataCfgs Expected data configurations count. * @param cfg Client configuration to validate. */ private void validateConfig(int expDataCfgs, GridClientConfiguration cfg) { assertEquals(GridClientRandomBalancer.class, cfg.getBalancer().getClass()); assertEquals(10000, cfg.getConnectTimeout()); assertEquals(null, cfg.getSecurityCredentialsProvider()); assertEquals(expDataCfgs, cfg.getDataConfigurations().size()); if (expDataCfgs == 2) { GridClientDataConfiguration nullCfg = cfg.getDataConfiguration(null); assertEquals(null, nullCfg.getName()); assertEquals(null, nullCfg.getAffinity()); assertEquals(GridClientRandomBalancer.class, nullCfg.getPinnedBalancer().getClass()); GridClientDataConfiguration partCfg = cfg.getDataConfiguration("partitioned"); assertEquals("partitioned", partCfg.getName()); assertEquals(GridClientPartitionAffinity.class, partCfg.getAffinity().getClass()); assertEquals(GridClientRoundRobinBalancer.class, partCfg.getPinnedBalancer().getClass()); } assertEquals(DFLT_MAX_CONN_IDLE_TIME, cfg.getMaxConnectionIdleTime()); assertEquals(GridClientProtocol.TCP, cfg.getProtocol()); assertEquals(Arrays.asList("localhost:11211"), new ArrayList<>(cfg.getServers())); assertEquals(true, cfg.isEnableAttributesCache()); assertEquals(true, cfg.isEnableMetricsCache()); assertEquals(true, cfg.isTcpNoDelay()); assertEquals(null, cfg.getSslContextFactory(), null); assertEquals(DFLT_TOP_REFRESH_FREQ, cfg.getTopologyRefreshFrequency()); } }