Mercurial > hg > release > thermostat-0.15
view storage/core/src/main/java/com/redhat/thermostat/storage/internal/dao/NetworkInterfaceInfoDAOImpl.java @ 1246:bac262a2c98f
Use WriterID service over Storage.get/setAgentId() (Part 1).
Reviewed-by: vanaltj
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-September/008097.html
PR1509
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Mon, 02 Sep 2013 11:36:26 +0200 |
parents | cd020319d8ed |
children | 0e0e2b6041ad |
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/* * Copyright 2012, 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.storage.internal.dao; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import com.redhat.thermostat.common.utils.LoggingUtils; import com.redhat.thermostat.storage.core.Cursor; import com.redhat.thermostat.storage.core.DescriptorParsingException; import com.redhat.thermostat.storage.core.HostRef; import com.redhat.thermostat.storage.core.Key; import com.redhat.thermostat.storage.core.PreparedStatement; import com.redhat.thermostat.storage.core.Replace; import com.redhat.thermostat.storage.core.StatementDescriptor; import com.redhat.thermostat.storage.core.StatementExecutionException; import com.redhat.thermostat.storage.core.Storage; import com.redhat.thermostat.storage.dao.NetworkInterfaceInfoDAO; import com.redhat.thermostat.storage.model.NetworkInterfaceInfo; import com.redhat.thermostat.storage.query.Expression; import com.redhat.thermostat.storage.query.ExpressionFactory; public class NetworkInterfaceInfoDAOImpl implements NetworkInterfaceInfoDAO { private static final Logger logger = LoggingUtils.getLogger(NetworkInterfaceInfoDAOImpl.class); static final String QUERY_NETWORK_INFO = "QUERY " + networkInfoCategory.getName() + " WHERE '" + Key.AGENT_ID.getName() + "' = ?s"; private final Storage storage; public NetworkInterfaceInfoDAOImpl(Storage storage) { this.storage = storage; storage.registerCategory(networkInfoCategory); } @Override public List<NetworkInterfaceInfo> getNetworkInterfaces(HostRef ref) { StatementDescriptor<NetworkInterfaceInfo> desc = new StatementDescriptor<>(networkInfoCategory, QUERY_NETWORK_INFO); PreparedStatement<NetworkInterfaceInfo> stmt; Cursor<NetworkInterfaceInfo> cursor; try { stmt = storage.prepareStatement(desc); stmt.setString(0, ref.getAgentId()); cursor = stmt.executeQuery(); } catch (DescriptorParsingException e) { // should not happen, but if it *does* happen, at least log it logger.log(Level.SEVERE, "Preparing query '" + desc + "' failed!", e); return Collections.emptyList(); } catch (StatementExecutionException e) { // should not happen, but if it *does* happen, at least log it logger.log(Level.SEVERE, "Executing query '" + desc + "' failed!", e); return Collections.emptyList(); } List<NetworkInterfaceInfo> result = new ArrayList<>(); while (cursor.hasNext()) { NetworkInterfaceInfo stat = cursor.next(); result.add(stat); } return result; } @Override public void putNetworkInterfaceInfo(NetworkInterfaceInfo info) { Replace<NetworkInterfaceInfo> replace = storage.createReplace(networkInfoCategory); ExpressionFactory factory = new ExpressionFactory(); String agentId = info.getAgentId(); Expression left = factory.equalTo(Key.AGENT_ID, agentId); Expression right = factory.equalTo(NetworkInterfaceInfoDAO.ifaceKey, info.getInterfaceName()); Expression expression = factory.and(left, right); replace.setPojo(info); replace.where(expression); replace.apply(); } }