1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23package gc.g1.plab.lib; 24 25import java.util.HashMap; 26import java.util.Map; 27import java.util.stream.Stream; 28 29/** 30 * Class contains representation of GC PLAB log. 31 */ 32public class PlabReport { 33 34 private final Map<Long, PlabGCStatistics> report = new HashMap<>(); 35 36 public PlabReport() { 37 } 38 39 /** 40 * Checks if underlying Map contains requested GC ID. 41 */ 42 public boolean containsKey(Long gcId) { 43 return report.containsKey(gcId); 44 } 45 46 /** 47 * Puts GC ID and PlabGCStatistics to underlying Map. 48 */ 49 public void put(Long gcId, PlabGCStatistics plabStat) { 50 report.put(gcId, plabStat); 51 } 52 53 /** 54 * Returns PlabGCStatistics for specified GC ID. 55 */ 56 public PlabGCStatistics get(Long gcId) { 57 return report.get(gcId); 58 } 59 60 /** 61 * Returns Stream of Map.Entry of underlying Map. 62 */ 63 public Stream<Map.Entry<Long, PlabGCStatistics>> entryStream() { 64 return report.entrySet().stream(); 65 } 66} 67