Mercurial > hg > release > thermostat-0.13
view numa/common/src/main/java/com/redhat/thermostat/numa/common/internal/NumaDAOImpl.java @ 1224:b015c7f31a11 0.13-branch
Use explicit types for write operations.
Reviewed-by: neugens
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-August/007986.html
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Fri, 16 Aug 2013 18:52:06 +0200 |
parents | 945e5d5c60ba |
children |
line wrap: on
line source
/* * 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.numa.common.internal; 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.numa.common.NumaDAO; import com.redhat.thermostat.numa.common.NumaHostInfo; import com.redhat.thermostat.numa.common.NumaStat; import com.redhat.thermostat.storage.core.Add; import com.redhat.thermostat.storage.core.Cursor; import com.redhat.thermostat.storage.core.DescriptorParsingException; import com.redhat.thermostat.storage.core.HostLatestPojoListGetter; 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; public class NumaDAOImpl implements NumaDAO { private static final Logger logger = LoggingUtils.getLogger(NumaDAOImpl.class); static final String QUERY_NUMA_INFO = "QUERY " + numaHostCategory.getName() + " WHERE '" + Key.AGENT_ID.getName() + "' = ?s LIMIT 1"; private final Storage storage; private final HostLatestPojoListGetter<NumaStat> getter; NumaDAOImpl(Storage storage) { this.storage = storage; storage.registerCategory(numaStatCategory); storage.registerCategory(numaHostCategory); this.getter = new HostLatestPojoListGetter<>(storage, numaStatCategory); } @Override public void putNumaStat(NumaStat stat) { Add add = storage.createAdd(numaStatCategory); add.setPojo(stat); add.apply(); } @Override public List<NumaStat> getLatestNumaStats(HostRef ref, long lastTimeStamp) { return getter.getLatest(ref, lastTimeStamp); } @Override public void putNumberOfNumaNodes(int numNodes) { Add replace = storage.createAdd(numaHostCategory); NumaHostInfo numaHostInfo = new NumaHostInfo(); numaHostInfo.setNumNumaNodes(numNodes); replace.setPojo(numaHostInfo); replace.apply(); } @Override public int getNumberOfNumaNodes(HostRef ref) { StatementDescriptor<NumaHostInfo> desc = new StatementDescriptor<>(numaHostCategory, QUERY_NUMA_INFO); PreparedStatement<NumaHostInfo> stmt; Cursor<NumaHostInfo> 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 0; } 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 0; } if (cursor.hasNext()) { return cursor.next().getNumNumaNodes(); } else { return 0; } } }