RrdString


1   /* ============================================================
2    * JRobin : Pure java implementation of RRDTool's functionality
3    * ============================================================
4    *
5    * Project Info:  http://www.jrobin.org
6    * Project Lead:  Sasa Markovic (saxon@jrobin.org);
7    *
8    * (C) Copyright 2003, by Sasa Markovic.
9    *
10   * This library is free software; you can redistribute it and/or modify it under the terms
11   * of the GNU Lesser General Public License as published by the Free Software Foundation;
12   * either version 2.1 of the License, or (at your option) any later version.
13   *
14   * Developers:    Sasa Markovic (saxon@jrobin.org)
15   *                Arne Vandamme (cobralord@jrobin.org)
16   *
17   * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
18   * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
19   * See the GNU Lesser General Public License for more details.
20   *
21   * You should have received a copy of the GNU Lesser General Public License along with this
22   * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
23   * Boston, MA 02111-1307, USA.
24   */
25  
26  package org.jrobin.core;
27  
28  import java.io.IOException  ;
29  
30  class RrdString extends RrdPrimitive {
31      RrdString(RrdUpdater updater) throws IOException   {
32          super(updater, RrdPrimitive.RRD_STRING);
33      }
34  
35      void set(String   value) throws IOException   {
36          if(cache.setString(value)) {
37              writeString(value);
38          }
39      }
40  
41      String   get() throws IOException   {
42          if(cache.isEmpty()) {
43              cache.setString(readString());
44          }
45          return cache.getString();
46      }
47  }
48
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