1 /*
   2  * Copyright (c) 2004, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.jvmstat.perfdata.monitor;
  27 
  28 import java.util.List;
  29 import sun.jvmstat.monitor.Monitor;
  30 
  31 /**
  32  * Immutable class containing the list of inserted and deleted
  33  * monitors over an arbitrary time period.
  34  *
  35  * @author Brian Doherty
  36  * @since 1.5
  37  */
  38 public class MonitorStatus {
  39 
  40     /**
  41      * The list of Monitors inserted since the last query.
  42      */
  43     protected List<Monitor> inserted;
  44 
  45     /**
  46      * The list of Monitors removed since the last query.
  47      */
  48     protected List<Monitor> removed;
  49 
  50     /**
  51      * Create a MonitorStatus instance.
  52      *
  53      * @param inserted the list of Monitors inserted
  54      * @param removed the list of Monitors removed
  55      */
  56     public MonitorStatus(List<Monitor> inserted, List<Monitor> removed) {
  57         this.inserted = inserted;
  58         this.removed = removed;
  59     }
  60 
  61     /**
  62      * Get the list of Monitors inserted since the last query.
  63      *
  64      * @return List - the List of Monitor objects inserted or an empty List.
  65      */
  66     public List<Monitor> getInserted() {
  67         return inserted;
  68     }
  69 
  70     /**
  71      * Get the list of Monitors removed since the last query.
  72      *
  73      * @return List - the List of Monitor objects removed or an empty List.
  74      */
  75     public List<Monitor> getRemoved() {
  76         return removed;
  77     }
  78 }