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  */
  23 package gc.g1.plab.lib;
  24 
  25 import java.util.EnumMap;
  26 import java.util.Map;
  27 
  28 import gc.g1.plab.lib.LogParser.ReportType;
  29 
  30 /**
  31  * Class that represents PLAB statistics for a single GC.
  32  * It includes both Survivor and Old PLAB statistics.
  33  */
  34 public class PlabGCStatistics {
  35 
  36     private final Map<ReportType, PlabInfo> plabGCStatistics;
  37 
  38     public PlabGCStatistics() {
  39         plabGCStatistics = new EnumMap<>(ReportType.class);
  40     }
  41 
  42     /**
  43      * Checks if the statistics contains the requested type.
  44      * @param reportType
  45      * @returns true, if contains, false otherwise
  46      */
  47     public boolean containsKey(ReportType reportType) {
  48         return plabGCStatistics.containsKey(reportType);
  49     }
  50 
  51     /**
  52      * Put pair of ReportType and PlabInfo to statistics.
  53      * @param reportType
  54      * @param plabInfo
  55      */
  56     public void put(ReportType reportType, PlabInfo plabInfo) {
  57         plabGCStatistics.put(reportType, plabInfo);
  58     }
  59 
  60     /**
  61      * Returns PlabInfo of specified type
  62      * @param reportType
  63      * @return
  64      */
  65     public PlabInfo get(ReportType reportType) {
  66         return plabGCStatistics.get(reportType);
  67     }
  68 }