1 /*
   2  * Copyright (c) 2014, 2015, Dynatrace and/or its affiliates. All rights reserved.
   3  * 
   4  * This file is part of the Lock Contention Tracing Subsystem for the HotSpot
   5  * Virtual Machine, which is developed at Christian Doppler Laboratory on
   6  * Monitoring and Evolution of Very-Large-Scale Software Systems. Please
   7  * contact us at <http://mevss.jku.at/> if you need additional information
   8  * or have any questions.
   9  *
  10  * This code is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License version 2 only, as
  12  * published by the Free Software Foundation.
  13  *
  14  * This code is distributed in the hope that it will be useful, but WITHOUT
  15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17  * version 2 for more details (a copy is included in the LICENSE file that
  18  * accompanied this code).
  19  *
  20  * You should have received a copy of the GNU General Public License version
  21  * 2 along with this work. If not, see <http://www.gnu.org/licenses/>.
  22  *
  23  */ 
  24 package sun.evtracing.processing.statistics.aggregator;
  25 
  26 import java.util.ArrayList;
  27 import java.util.List;
  28 
  29 import sun.evtracing.processing.statistics.metadata.Contention;
  30 
  31 public class MultiAggregator implements ContentionProcessor {
  32         private final List<Aggregator> aggregators;
  33 
  34         public MultiAggregator() {
  35                 aggregators = new ArrayList<>();
  36         }
  37 
  38         public void add(Aggregator a) {
  39                 aggregators.add(a);
  40         }
  41 
  42         public void remove(Aggregator a) {
  43                 aggregators.remove(a);
  44         }
  45 
  46         @Override
  47         public void submit(Contention c) {
  48                 for (ContentionProcessor a : aggregators) {
  49                         a.submit(c);
  50                 }
  51         }
  52 
  53         @Override
  54         public void merge() {
  55                 for (ContentionProcessor a : aggregators) {
  56                         a.merge();
  57                 }
  58         }
  59 }