Java tutorial
/* * Copyright (c) 2010-2012 Grid Dynamics Consulting Services, Inc, All Rights Reserved * http://www.griddynamics.com * * This library is free software; you can redistribute it and/or modify it under the terms of * the GNU Lesser General Public License as published by the Free Software Foundation; either * version 2.1 of the License, or any later version. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package com.griddynamics.jagger.engine.e1.collector; import com.google.common.collect.HashMultimap; import com.google.common.collect.Multimap; import com.griddynamics.jagger.coordinator.NodeId; import com.griddynamics.jagger.engine.e1.scenario.WorkloadTask; import com.griddynamics.jagger.master.DistributionListener; import com.griddynamics.jagger.master.configuration.Task; import com.griddynamics.jagger.storage.KeyValueStorage; import com.griddynamics.jagger.storage.Namespace; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.Collection; import static com.griddynamics.jagger.engine.e1.collector.CollectorConstants.*; /** * Saves generic information about e1 session execution. Such as task execution * start/end time, thread count, samples count, available kernels. * * @author Mairbek Khadikov */ public class MasterWorkloadCollector implements DistributionListener { private final static Logger log = LoggerFactory.getLogger(MasterWorkloadCollector.class); private KeyValueStorage keyValueStorage; @Override public void onDistributionStarted(String sessionId, String taskId, Task task, Collection<NodeId> capableNodes) { log.debug("Going to collect master info"); if (task instanceof WorkloadTask) { putValues(sessionId, taskId, capableNodes, (WorkloadTask) task); } else { log.debug("task {} is not a workload task. ignored", task); } } @Override public void onTaskDistributionCompleted(String sessionId, String taskId, Task task) { if (task instanceof WorkloadTask) { keyValueStorage.put(Namespace.of(sessionId, taskId), END_TIME, System.currentTimeMillis()); } } private void putValues(String sessionId, String taskId, Collection<NodeId> capableNodes, WorkloadTask workload) { Namespace sessionNamespace = Namespace.of(SESSION, sessionId); keyValueStorage.put(sessionNamespace, SCENARIOS, taskId); Namespace scenarioNamespace = Namespace.of(sessionId, taskId); Multimap<String, Object> objectsMap = HashMultimap.create(); objectsMap.put(START_TIME, System.currentTimeMillis() + workload.getStartDelay()); objectsMap.put(CLOCK, workload.getClock().toString()); objectsMap.put(CLOCK_VALUE, workload.getClock().getValue()); objectsMap.put(TERMINATION, workload.getTerminateStrategyConfiguration().toString()); objectsMap.put(KERNEL_COUNT, capableNodes.size()); for (NodeId nodeId : capableNodes) { String nodeStr = nodeId.toString(); log.debug("kernels: {}", nodeStr); objectsMap.put(KERNELS, nodeStr); } keyValueStorage.putAll(scenarioNamespace, objectsMap); } public void setKeyValueStorage(KeyValueStorage keyValueStorage) { this.keyValueStorage = keyValueStorage; } }