Mercurial > hg > release > thermostat-0.5
view vm-heap-analysis/common/src/main/java/com/redhat/thermostat/vm/heap/analysis/common/internal/HeapDAOImpl.java @ 929:ccac9bcabaa0
Update copyright year of source code
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-January/005295.html
reviewed-by: vanaltj
author | Mario Torre <neugens.limasoftware@gmail.com> |
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date | Wed, 23 Jan 2013 16:49:27 +0100 |
parents | 6e38be537e2a |
children | 186115da601f |
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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.vm.heap.analysis.common.internal; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.ArrayList; import java.util.Collection; import java.util.logging.Level; import java.util.logging.Logger; import com.redhat.thermostat.common.dao.VmRef; import com.redhat.thermostat.common.utils.LoggingUtils; 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.storage.model.HeapInfo; import com.redhat.thermostat.vm.heap.analysis.common.HeapDAO; import com.redhat.thermostat.vm.heap.analysis.common.HeapDump; import com.redhat.thermostat.vm.heap.analysis.common.ObjectHistogram; public class HeapDAOImpl implements HeapDAO { private static final Logger log = LoggingUtils.getLogger(HeapDAOImpl.class); private final Storage storage; HeapDAOImpl(Storage storage) { this.storage = storage; storage.registerCategory(heapInfoCategory); } @Override public void putHeapInfo(HeapInfo heapInfo, File heapDumpData, ObjectHistogram histogramData) throws IOException { heapInfo.setAgentId(storage.getAgentId()); String heapId = heapInfo.getAgentId() + "-" + heapInfo.getVmId() + "-" + heapInfo.getTimeStamp(); System.err.println("assigning heapId: " + heapId); heapInfo.setHeapId(heapId); String heapDumpId = "heapdump-" + heapId; String histogramId = "histogram-" + heapId; if (heapDumpData != null) { heapInfo.setHeapDumpId(heapDumpId); } if (histogramData != null) { heapInfo.setHistogramId(histogramId); } Put add = storage.createAdd(heapInfoCategory); add.setPojo(heapInfo); add.apply(); if (heapDumpData != null) { storage.saveFile(heapDumpId, new FileInputStream(heapDumpData)); } if (histogramData != null) { ByteArrayOutputStream baos = new ByteArrayOutputStream(); try { ObjectOutputStream oos = new ObjectOutputStream(baos); oos.writeObject(histogramData); ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); storage.saveFile(histogramId, bais); } catch (IOException e) { e.printStackTrace(); log.log(Level.SEVERE, "Unexpected error while writing histogram", e); } } } @Override public Collection<HeapInfo> getAllHeapInfo(VmRef vm) { Query<HeapInfo> query = storage.createQuery(heapInfoCategory); query.where(Key.AGENT_ID, Criteria.EQUALS, vm.getAgent().getAgentId()); query.where(Key.VM_ID, Criteria.EQUALS, vm.getId()); Cursor<HeapInfo> cursor = query.execute(); Collection<HeapInfo> heapInfos = new ArrayList<>(); while (cursor.hasNext()) { heapInfos.add(cursor.next()); } return heapInfos; } @Override public InputStream getHeapDumpData(HeapInfo heapInfo) { return storage.loadFile(heapInfo.getHeapDumpId()); } @Override public ObjectHistogram getHistogram(HeapInfo heapInfo) { try (InputStream in = storage.loadFile(heapInfo.getHistogramId())) { ObjectInputStream ois = new ObjectInputStream(in); return (ObjectHistogram) ois.readObject(); } catch (IOException | ClassNotFoundException e) { log.log(Level.SEVERE, "Unexpected error while reading histogram", e); return null; } } @Override public HeapInfo getHeapInfo(String heapId) { Query<HeapInfo> query = storage.createQuery(heapInfoCategory); query.where(heapIdKey, Criteria.EQUALS, heapId); query.limit(1); HeapInfo found = null; try { found = query.execute().next(); } catch (IllegalArgumentException iae) { /* * if the heap id is not found, we get a nice * IllegalArgumentException but check if the illegal argument * exception is caused by that before propagating it. */ if (!iae.getMessage().contains("invalid ObjectId")) { throw iae; } } return found; } @Override public HeapDump getHeapDump(HeapInfo heapInfo) { return new HeapDump(heapInfo, this); } }