Mercurial > hg > release > thermostat-0.13
view client/cli/src/main/java/com/redhat/thermostat/client/cli/internal/CleanHistoryCommand.java @ 1191:40e2c7a18bda
PR1184: Provide a way to purge data in storage
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-July/007643.html
author | Andriy Petrus <apetrus@redhat.com> |
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date | Wed, 31 Jul 2013 15:10:25 -0400 |
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/* * Copyright 2013 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.client.cli.internal; import java.io.PrintStream; import java.util.List; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceReference; import com.redhat.thermostat.common.cli.AbstractCommand; import com.redhat.thermostat.common.cli.CommandContext; import com.redhat.thermostat.common.cli.CommandException; import com.redhat.thermostat.shared.locale.Translate; import com.redhat.thermostat.storage.core.HostRef; import com.redhat.thermostat.storage.core.Storage; import com.redhat.thermostat.storage.dao.AgentInfoDAO; import com.redhat.thermostat.storage.model.AgentInformation; public class CleanHistoryCommand extends AbstractCommand { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private BundleContext bundleContext; CleanHistoryCommand (BundleContext bundleContext) { this.bundleContext = bundleContext; } @Override public void run(CommandContext ctx) throws CommandException { ServiceReference storageServiceRef = bundleContext.getServiceReference(Storage.class); if (storageServiceRef == null) { throw new CommandException(translator.localize(LocaleResources.STORAGE_UNAVAILABLE)); } Storage storage = (Storage) bundleContext.getService(storageServiceRef); try { List <String> agentIdList = ctx.getArguments().getNonOptionArguments(); PrintStream output = ctx.getConsole().getOutput(); removeDataForSpecifiedAgents(storage, agentIdList, output); } finally { bundleContext.ungetService(storageServiceRef); } } public void removeDataForSpecifiedAgents(Storage storage, List <String> agentIdList, PrintStream output) throws CommandException { ServiceReference agentServiceRef = bundleContext.getServiceReference(AgentInfoDAO.class); if (agentServiceRef == null) { throw new CommandException(translator.localize(LocaleResources.AGENT_UNAVAILABLE)); } AgentInfoDAO agentInfoDAO = (AgentInfoDAO) bundleContext.getService(agentServiceRef); try { for (String agentId : agentIdList) { AgentInformation agentInfo = agentInfoDAO.getAgentInformation(new HostRef(agentId, agentId)); if (agentInfo != null) { removeDataIfAgentDead(storage, agentId, agentInfo, output); } else { output.println(translator.localize(LocaleResources.AGENT_NOT_FOUND, agentId).getContents()); } } } finally { bundleContext.ungetService(agentServiceRef); } } private void removeDataIfAgentDead(Storage storage, String agentId, AgentInformation agentInfo, PrintStream output) { if (!agentInfo.isAlive()) { output.println(translator.localize(LocaleResources.PURGING_AGENT_DATA).getContents() + agentId); storage.purge(agentId); } else { output.println(translator.localize(LocaleResources.CANNOT_PURGE_AGENT_RUNNING, agentId).getContents()); } } }