View Javadoc

1   // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Philip Aston
2   // All rights reserved.
3   //
4   // This file is part of The Grinder software distribution. Refer to
5   // the file LICENSE which is part of The Grinder distribution for
6   // licensing details. The Grinder distribution is available on the
7   // Internet at http://grinder.sourceforge.net/
8   //
9   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
10  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
11  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
12  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
13  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
14  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
15  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
16  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
17  // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
18  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
19  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
20  // OF THE POSSIBILITY OF SUCH DAMAGE.
21  
22  package net.grinder.statistics;
23  
24  import java.io.IOException;
25  import java.io.ObjectInput;
26  import java.io.ObjectOutput;
27  
28  import net.grinder.util.Serialiser;
29  
30  
31  /**
32   * Factory for {@link StatisticsSet} objects.
33   *
34   * @author Philip Aston
35   */
36  public final class StatisticsSetFactory {
37  
38    private final Serialiser m_serialiser = new Serialiser();
39    private final StatisticsIndexMap m_statisticsIndexMap;
40  
41    StatisticsSetFactory(StatisticsIndexMap statisticsIndexMap) {
42      m_statisticsIndexMap = statisticsIndexMap;
43    }
44  
45    /**
46     * Factory method.
47     *
48     * @return A new <code>StatisticsSet</code>.
49     */
50    public StatisticsSet create() {
51      return new StatisticsSetImplementation(m_statisticsIndexMap);
52    }
53  
54    void writeStatisticsExternal(ObjectOutput out,
55                                 StatisticsSetImplementation statistics)
56      throws IOException {
57      statistics.writeExternal(out, m_serialiser);
58    }
59  
60    StatisticsSet readStatisticsExternal(ObjectInput in) throws IOException {
61      return new StatisticsSetImplementation(m_statisticsIndexMap,
62                                             in,
63                                             m_serialiser);
64    }
65  }