1 /**
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that the following conditions are
4 * met :
5 *
6 * . Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 *
9 * . Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * . The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 package cppncss;
30
31 import java.util.ArrayList;
32 import java.util.List;
33
34 /**
35 * Captures behaviours common to all result outputs.
36 *
37 * @author Mathieu Champlon
38 */
39 public abstract class AbstractResultOutput implements ResultOutput
40 {
41 private final List<String> labels = new ArrayList<String>();
42 private int current;
43 private int index;
44
45 /**
46 * {@inheritDoc}
47 */
48 public final void notify( final String type, final List<String> labels )
49 {
50 this.labels.clear();
51 this.labels.addAll( labels );
52 this.current = 0;
53 this.index = 0;
54 printHeaders( type, labels );
55 }
56
57 /**
58 * {@inheritDoc}
59 */
60 public final void notify( final String type, final String item, final int count )
61 {
62 if( current == 0 )
63 printIndex( item, ++index );
64 final String label = labels.get( current );
65 if( !label.startsWith( type ) )
66 printMeasurement( label, count );
67 ++current;
68 current %= labels.size();
69 if( current == 0 )
70 printItem( item );
71 }
72
73 /**
74 * Print measurements headers.
75 *
76 * @param type the type of the measurement
77 * @param labels a list of all measurement names
78 */
79 protected abstract void printHeaders( String type, List<String> labels );
80
81 /**
82 * Print the index of an item.
83 *
84 * @param item the name of the item
85 * @param index the index
86 */
87 protected abstract void printIndex( String item, int index );
88
89 /**
90 * Print an item.
91 *
92 * @param item the name of the item
93 */
94 protected abstract void printItem( String item );
95
96 /**
97 * Print a measurement.
98 *
99 * @param label the name of the measurement
100 * @param count the result value of the measurement
101 */
102 protected abstract void printMeasurement( String label, int count );
103 }