Mercurial > hg > release > thermostat-1.2
view thread/collector/src/main/java/com/redhat/thermostat/thread/dao/ThreadDao.java @ 1623:b1306c7c7422
Thread monitor improvements part I
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-December/012136.html
reviewed-by: omajid, jkang
author | Mario Torre <neugens.limasoftware@gmail.com> |
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date | Thu, 11 Dec 2014 11:44:42 +0100 |
parents | 32255ddb2c4c |
children | 0fb2d400ebf4 |
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/* * Copyright 2012-2014 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; import com.redhat.thermostat.common.model.Range; import com.redhat.thermostat.storage.core.Category; import com.redhat.thermostat.storage.core.Key; import com.redhat.thermostat.storage.core.VmRef; import com.redhat.thermostat.storage.core.experimental.statement.ResultHandler; import com.redhat.thermostat.thread.dao.impl.ThreadDaoKeys; import com.redhat.thermostat.thread.model.SessionID; import com.redhat.thermostat.thread.model.ThreadContentionSample; import com.redhat.thermostat.thread.model.ThreadHarvestingStatus; import com.redhat.thermostat.thread.model.ThreadSession; import com.redhat.thermostat.thread.model.ThreadState; import com.redhat.thermostat.thread.model.ThreadSummary; import com.redhat.thermostat.thread.model.VmDeadLockData; import java.util.Arrays; import java.util.List; public interface ThreadDao { public static enum Sort { ASCENDING, DESCENDING, } /* * vm-thread-harvesting schema */ static final Key<Boolean> HARVESTING_STATUS_KEY = new Key<Boolean>("harvesting"); static final Category<ThreadHarvestingStatus> THREAD_HARVESTING_STATUS = new Category<>("vm-thread-harvesting", ThreadHarvestingStatus.class, Arrays.<Key<?>>asList( Key.AGENT_ID, Key.VM_ID, Key.TIMESTAMP, HARVESTING_STATUS_KEY), Arrays.<Key<?>>asList(Key.TIMESTAMP)); /* * vm-deadlock-data schema */ static final Key<String> DEADLOCK_DESCRIPTION_KEY = new Key<>("deadLockDescription"); static final Category<VmDeadLockData> DEADLOCK_INFO = new Category<>("vm-deadlock-data", VmDeadLockData.class, Key.AGENT_ID, Key.VM_ID, Key.TIMESTAMP, DEADLOCK_DESCRIPTION_KEY); /* * THREAD_CONTENTION_SAMPLE */ static final Key<String> THREAD_CONTENTION_BLOCKED_COUNT_KEY = new Key<>("blockedCount"); static final Key<String> THREAD_CONTENTION_BLOCKED_TIME_KEY = new Key<>("blockedTime"); static final Key<String> THREAD_CONTENTION_WAITED_COUNT_KEY = new Key<>("waitedCount"); static final Key<String> THREAD_CONTENTION_WAITED_TIME_KEY = new Key<>("waitedTime"); static final Category<ThreadContentionSample> THREAD_CONTENTION_SAMPLE = new Category<>("thread-contention-sample", ThreadContentionSample.class, Arrays.<Key<?>>asList(Key.AGENT_ID, Key.VM_ID, THREAD_CONTENTION_BLOCKED_COUNT_KEY, THREAD_CONTENTION_BLOCKED_TIME_KEY, THREAD_CONTENTION_WAITED_COUNT_KEY, THREAD_CONTENTION_WAITED_TIME_KEY, ThreadDaoKeys.THREAD_HEADER_UUID, Key.TIMESTAMP), Arrays.<Key<?>>asList(Key.AGENT_ID, Key.VM_ID, THREAD_CONTENTION_BLOCKED_COUNT_KEY, THREAD_CONTENTION_BLOCKED_TIME_KEY, THREAD_CONTENTION_WAITED_COUNT_KEY, THREAD_CONTENTION_WAITED_TIME_KEY, ThreadDaoKeys.THREAD_HEADER_UUID, Key.TIMESTAMP)); void saveSummary(ThreadSummary summary); List<ThreadSummary> getSummary(VmRef ref, SessionID session, Range<Long> range, int limit); /** * Returns a list of sessions registered by thread sampling. */ List<ThreadSession> getSessions(VmRef ref, Range<Long> range, int limit, Sort order); /** * Save the given session to the database. */ void saveSession(ThreadSession session); ThreadHarvestingStatus getLatestHarvestingStatus(VmRef vm); void saveHarvestingStatus(ThreadHarvestingStatus status); void saveDeadLockStatus(VmDeadLockData deadLockInfo); /** * Returns the latest vm deadlock data * * @return the latest data or null if there is none */ VmDeadLockData loadLatestDeadLockStatus(VmRef ref); /** * Adds the given {@link ThreadState} to storage. */ void addThreadState(ThreadState thread); /** */ void saveContentionSample(ThreadContentionSample contentionSample); /** */ ThreadContentionSample getLatestContentionSample(VmRef ref, SessionID session); /** * Return the oldest session registered in the database. */ ThreadSession getFirstSession(VmRef ref); /** * Return the newest session registered in the database. */ ThreadSession getLastSession(VmRef ref); void getThreadStates(VmRef ref, SessionID session, ResultHandler<ThreadState> handler, Range<Long> range, int limit, Sort order); }