Mercurial > hg > release > thermostat-0.5
view thread/collector/src/main/java/com/redhat/thermostat/thread/dao/impl/ThreadDaoImpl.java @ 900:916ea399eb6b
Consolidate Storage.putPojo() to replace and add operations.
Reviewed-by: vanaltj
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2012-December/004896.html
author | Roman Kennke <rkennke@redhat.com> |
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date | Thu, 10 Jan 2013 14:53:32 +0100 |
parents | 6c00e304b0c3 |
children | 4de458324cf9 |
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/* * Copyright 2012 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.thread.dao.impl; import java.util.ArrayList; import java.util.List; import com.redhat.thermostat.common.dao.VmRef; import com.redhat.thermostat.storage.core.Category; import com.redhat.thermostat.storage.core.Cursor; import com.redhat.thermostat.storage.core.Key; import com.redhat.thermostat.storage.core.Put; import com.redhat.thermostat.storage.core.Query; import com.redhat.thermostat.storage.core.Query.Criteria; import com.redhat.thermostat.storage.core.Storage; import com.redhat.thermostat.thread.dao.ThreadDao; import com.redhat.thermostat.thread.model.ThreadInfoData; import com.redhat.thermostat.thread.model.ThreadSummary; import com.redhat.thermostat.thread.model.VMThreadCapabilities; public class ThreadDaoImpl implements ThreadDao { private Storage storage; public ThreadDaoImpl(Storage storage) { this.storage = storage; storage.registerCategory(THREAD_CAPABILITIES); storage.registerCategory(THREAD_SUMMARY); storage.registerCategory(THREAD_INFO); } @Override public VMThreadCapabilities loadCapabilities(VmRef vm) { try { Query query = storage.createQuery() .from(THREAD_CAPABILITIES) .where(Key.VM_ID, Query.Criteria.EQUALS, vm.getId()) .where(Key.AGENT_ID, Query.Criteria.EQUALS, vm.getAgent().getAgentId()); VMThreadCapabilities caps = storage.findPojo(query, VMThreadCapabilities.class); return caps; } catch (Throwable t) { t.printStackTrace(); System.exit(0); return null; } } @Override public void saveCapabilities(VMThreadCapabilities caps) { Put replace = storage.createReplace(THREAD_CAPABILITIES); replace.setPojo(caps); replace.apply(); } @Override public void saveSummary(ThreadSummary summary) { Put add = storage.createAdd(THREAD_SUMMARY); add.setPojo(summary); add.apply(); } @Override public ThreadSummary loadLastestSummary(VmRef ref) { ThreadSummary summary = null; Query query = prepareQuery(THREAD_SUMMARY, ref).sort(Key.TIMESTAMP, Query.SortDirection.DESCENDING).limit(1); Cursor<ThreadSummary> cursor = storage.findAllPojos(query, ThreadSummary.class); if (cursor.hasNext()) { summary = cursor.next(); } return summary; } @Override public List<ThreadSummary> loadSummary(VmRef ref, long since) { List<ThreadSummary> result = new ArrayList<>(); Query query = prepareQuery(THREAD_SUMMARY, ref).sort(Key.TIMESTAMP, Query.SortDirection.DESCENDING); query.where(Key.TIMESTAMP, Criteria.GREATER_THAN, since); Cursor<ThreadSummary> cursor = storage.findAllPojos(query, ThreadSummary.class); while (cursor.hasNext()) { ThreadSummary summary = cursor.next(); result.add(summary); } return result; } @Override public void saveThreadInfo(ThreadInfoData info) { Put add = storage.createAdd(THREAD_INFO); add.setPojo(info); add.apply(); } @Override public List<ThreadInfoData> loadThreadInfo(VmRef ref, long since) { List<ThreadInfoData> result = new ArrayList<>(); Query query = prepareQuery(THREAD_INFO, ref) .where(Key.TIMESTAMP, Criteria.GREATER_THAN, since) .sort(Key.TIMESTAMP, Query.SortDirection.DESCENDING); Cursor<ThreadInfoData> cursor = storage.findAllPojos(query, ThreadInfoData.class); while (cursor.hasNext()) { ThreadInfoData info = cursor.next(); result.add(info); } return result; } private Query prepareQuery(Category category, VmRef vm) { return prepareQuery(category, vm.getIdString(), vm.getAgent().getAgentId()); } private Query prepareQuery(Category category, String vmId, String agentId) { Query query = storage.createQuery() .from(category) .where(Key.AGENT_ID, Query.Criteria.EQUALS, agentId) .where(Key.VM_ID, Query.Criteria.EQUALS, Integer.valueOf(vmId)); return query; } @Override public Storage getStorage() { return storage; } }