/* * Copyright (c) 2014, 2015, Dynatrace and/or its affiliates. All rights reserved. * * This file is part of the Lock Contention Tracing Subsystem for the HotSpot * Virtual Machine, which is developed at Christian Doppler Laboratory on * Monitoring and Evolution of Very-Large-Scale Software Systems. Please * contact us at if you need additional information * or have any questions. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work. If not, see . * */ package sun.evtracing.processing; import java.util.HashMap; import java.util.Map; import sun.evtracing.parser.metadata.JavaThread; public class PersistentMetadataStore { private final Map threads = new HashMap<>(); public JavaThread getOrAddJavaThread(long threadId) { return threads.computeIfAbsent(threadId, k -> new JavaThread(k)); } public void endAllJavaThreads(long timestamp) { for (JavaThread t : threads.values()) { if (!t.hasEnded()) { t.setEnd(timestamp); } } } }