| /* |
| * Copyright 2009-2012 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.asterix.installer.command; |
| |
| import java.util.Date; |
| import java.util.Properties; |
| |
| import org.kohsuke.args4j.Option; |
| |
| import edu.uci.ics.asterix.installer.driver.InstallerDriver; |
| import edu.uci.ics.asterix.installer.driver.InstallerUtil; |
| import edu.uci.ics.asterix.installer.model.AsterixInstance; |
| import edu.uci.ics.asterix.installer.model.AsterixInstance.State; |
| import edu.uci.ics.asterix.installer.service.ILookupService; |
| import edu.uci.ics.asterix.installer.service.ServiceProvider; |
| |
| public class AlterCommand extends AbstractCommand { |
| |
| @Override |
| protected void execCommand() throws Exception { |
| InstallerDriver.initConfig(); |
| String instanceName = ((AlterConfig) config).name; |
| InstallerUtil.validateAsterixInstanceExists(instanceName, State.INACTIVE); |
| ILookupService lookupService = ServiceProvider.INSTANCE.getLookupService(); |
| AsterixInstance instance = lookupService.getAsterixInstance(instanceName); |
| |
| Properties asterixConfProp = InstallerUtil.getAsterixConfiguration(((AlterConfig) config).confPath); |
| instance.setConfiguration(asterixConfProp); |
| instance.setModifiedTimestamp(new Date()); |
| lookupService.updateAsterixInstance(instance); |
| LOGGER.info("Configuration for Asterix instance: " + instanceName + " has been altered"); |
| } |
| |
| @Override |
| protected CommandConfig getCommandConfig() { |
| return new AlterConfig(); |
| } |
| |
| @Override |
| protected String getUsageDescription() { |
| return "\nAlter the instance's configuration settings." |
| + "\nPrior to running this command, the instance is required to be INACTIVE state." |
| + "\n\nAvailable arguments/options" |
| + "\n-n name of the ASTERIX instance" |
| + "\n-conf path to the ASTERIX configuration file."; |
| } |
| |
| } |
| |
| class AlterConfig extends AbstractCommandConfig { |
| |
| @Option(name = "-n", required = false, usage = "Name of Asterix Instance") |
| public String name; |
| |
| @Option(name = "-conf", required = false, usage = "Path to instance configuration") |
| public String confPath; |
| |
| } |