Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Perfidix |
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| 2.2;2.2 |
1 | /** | |
2 | * Copyright (c) 2012, University of Konstanz, Distributed Systems Group | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions are met: | |
7 | * * Redistributions of source code must retain the above copyright | |
8 | * notice, this list of conditions and the following disclaimer. | |
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 | * * Neither the name of the University of Konstanz nor the | |
13 | * names of its contributors may 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
17 | * ANY EXPRESS OR 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 <COPYRIGHT HOLDER> BE LIABLE FOR ANY | |
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 | */ | |
27 | package org.perfidix; | |
28 | ||
29 | import org.perfidix.AbstractConfig.StandardConfig; | |
30 | import org.perfidix.ouput.TabularSummaryOutput; | |
31 | import org.perfidix.result.BenchmarkResult; | |
32 | ||
33 | /** | |
34 | * This is the main class, consisting of all the factory methods needed in order | |
35 | * to perform a benchmark run. Instead of running the bench with a {@link Benchmark} instance, this class just | |
36 | * takes all classes as a String and | |
37 | * gives less control over the Benchmark itself. The Classes to be given are | |
38 | * either Benchmark-Classes or (one single) Config-Class. Additionaly, this | |
39 | * class holds multiple utility-methods to get Bench-Classes and Config out of a | |
40 | * set of Strings. | |
41 | * <p> | |
42 | * | |
43 | * <pre> | |
44 | * | |
45 | * public class MyBenchmark { | |
46 | * | |
47 | * public static void main(final String[] args) { | |
48 | * final String classNames = { | |
49 | * "Class1", "Class2", "Class3", "MyConfig1" | |
50 | * }; | |
51 | * | |
52 | * // either... | |
53 | * final BenchmarkResult result = Perfidix.runBenchs(classNames); | |
54 | * new TabularSummaryOutput.visitBenchmark(result); | |
55 | * | |
56 | * // ...or... | |
57 | * Perfidix.main(classNames); | |
58 | * } | |
59 | * } | |
60 | * | |
61 | * </pre> | |
62 | * | |
63 | * </p> | |
64 | * | |
65 | * @see AbstractConfig | |
66 | * @see BenchmarkResult | |
67 | * @author Sebastian Graf, University of Konstanz | |
68 | */ | |
69 | public final class Perfidix { | |
70 | ||
71 | /** | |
72 | * private constructor. | |
73 | */ | |
74 | 0 | private Perfidix() { |
75 | 0 | } |
76 | ||
77 | /** | |
78 | * Running one Benchmark. | |
79 | * | |
80 | * @param benchs | |
81 | * to be inserted | |
82 | * @return one {@link BenchmarkResult} object with the results | |
83 | * @throws ClassNotFoundException | |
84 | * if class cannot be found | |
85 | * @throws IllegalAccessException | |
86 | * if conf cannot be instantiated | |
87 | * @throws InstantiationException | |
88 | * if conf cannot be instantiated | |
89 | */ | |
90 | public static BenchmarkResult runBenchs(final String[] benchs) throws ClassNotFoundException, | |
91 | InstantiationException, IllegalAccessException { | |
92 | 10 | final AbstractConfig conf = getConfiguration(benchs); |
93 | ||
94 | 10 | final Benchmark bench = new Benchmark(conf); |
95 | 10 | return setUpBenchmark(benchs, bench).run(); |
96 | } | |
97 | ||
98 | /** | |
99 | * Setting up an existing benchmark with the given number of class-files | |
100 | * | |
101 | * @param classes | |
102 | * to be benched | |
103 | * @param benchmark | |
104 | * to be set up | |
105 | * @return the same {@link Benchmark} object with the classes | |
106 | * @throws ClassNotFoundException | |
107 | * thrown if class was not found. | |
108 | */ | |
109 | public static Benchmark setUpBenchmark(final String[] classes, final Benchmark benchmark) | |
110 | throws ClassNotFoundException { | |
111 | 70 | for (final String each : classes) { |
112 | 45 | benchmark.add(Class.forName(each)); |
113 | } | |
114 | 25 | return benchmark; |
115 | } | |
116 | ||
117 | /** | |
118 | * Getting a configuration out of the class-files. If none is avaliable, the {@link StandardConfig} is | |
119 | * given back. The {@link AbstractConfig} instance | |
120 | * has to have a parameter-free constructor. | |
121 | * | |
122 | * @param classes | |
123 | * to be examined. Only one instance of an {@link AbstractConfig} is allowed. | |
124 | * @return the {@link AbstractConfig} instance or the {@link StandardConfig} if none was found. | |
125 | * @throws ClassNotFoundException | |
126 | * thrown if a class was not found. | |
127 | * @throws InstantiationException | |
128 | * thrown if the {@link AbstractConfig} instance was not able to | |
129 | * be instaniated | |
130 | * @throws IllegalAccessException | |
131 | * thrown if the {@link AbstractConfig} instance was not able to | |
132 | * be instaniated | |
133 | */ | |
134 | public static AbstractConfig getConfiguration(final String[] classes) throws ClassNotFoundException, | |
135 | InstantiationException, IllegalAccessException { | |
136 | 25 | AbstractConfig conf = null; |
137 | 70 | for (String each : classes) { |
138 | 45 | final Class<?> clazz = Class.forName(each); |
139 | 45 | final Class<?> superclazz = clazz.getSuperclass(); |
140 | 45 | if (superclazz.equals(AbstractConfig.class)) { |
141 | 15 | if (conf == null) { |
142 | 15 | conf = (AbstractConfig)clazz.newInstance(); |
143 | } else { | |
144 | 0 | throw new IllegalArgumentException("Only one config-class allowed"); |
145 | } | |
146 | } | |
147 | } | |
148 | 25 | if (conf == null) { |
149 | 10 | conf = new StandardConfig(); |
150 | } | |
151 | 25 | return conf; |
152 | } | |
153 | ||
154 | /** | |
155 | * Main method for invoking benchs with classes as strings. | |
156 | * | |
157 | * @param args | |
158 | * the classes | |
159 | * @throws ClassNotFoundException | |
160 | * if class cannot be found | |
161 | * @throws IllegalAccessException | |
162 | * if conf cannot be instantiated | |
163 | * @throws InstantiationException | |
164 | * if conf cannot be instantiated | |
165 | */ | |
166 | public static void main(final String[] args) throws ClassNotFoundException, InstantiationException, | |
167 | IllegalAccessException { | |
168 | 0 | final BenchmarkResult res = runBenchs(args); |
169 | 0 | new TabularSummaryOutput().visitBenchmark(res); |
170 | 0 | } |
171 | } |