1 | package de.ugoe.cs.eventbench.coverage;
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2 |
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3 | import java.util.ArrayList;
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4 | import java.util.Collection;
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5 | import java.util.LinkedHashSet;
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6 | import java.util.LinkedList;
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7 | import java.util.List;
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8 | import java.util.Map;
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9 | import java.util.Map.Entry;
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10 | import java.util.Random;
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11 | import java.util.Set;
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12 | import de.ugoe.cs.eventbench.data.Event;
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13 | import de.ugoe.cs.eventbench.models.FirstOrderMarkovModel;
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14 | import de.ugoe.cs.eventbench.models.IStochasticProcess;
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15 | import de.ugoe.cs.eventbench.models.MockTrieBasedModel;
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16 |
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17 | import org.junit.*;
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18 |
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19 | import static org.junit.Assert.*;
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20 |
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21 | /**
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22 | * The class <code>SequenceToolsTest</code> contains tests for the class <code>{@link SequenceTools}</code>.
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23 | *
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24 | * @author Steffen Herbold
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25 | * @version 1.0
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26 | */
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27 | public class SequenceToolsTest {
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28 |
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29 | Collection<List<? extends Event<?>>> sequences;
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30 | Set<List<? extends Event<?>>> subSequences;
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31 | MockTrieBasedModel mockProcess;
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32 |
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33 | @Test
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34 | public void testContainedSubSequences_1()
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35 | throws Exception {
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36 | int length = 2;
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37 |
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38 | Set<List<? extends Event<?>>> result = SequenceTools.containedSubSequences(sequences, length);
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39 |
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40 | assertNotNull(result);
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41 | assertTrue(result.containsAll(subSequences));
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42 | assertEquals(subSequences.size(), result.size());
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43 | }
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44 |
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45 | @Test
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46 | public void testContainedSubSequences_2()
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47 | throws Exception {
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48 | int length = 2;
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49 |
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50 | Set<List<? extends Event<?>>> result = SequenceTools.containedSubSequences(null, length);
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51 | assertNotNull(result);
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52 | assertTrue(result.isEmpty());
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53 | }
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54 |
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55 | @Test(expected=java.security.InvalidParameterException.class)
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56 | public void testContainedSubSequences_3()
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57 | throws Exception {
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58 | int length = 0;
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59 |
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60 | SequenceTools.containedSubSequences(sequences, length);
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61 | }
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62 |
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63 | @Test(expected=java.security.InvalidParameterException.class)
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64 | public void testContainedSubSequences_4()
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65 | throws Exception {
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66 | int length = -1;
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67 |
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68 | SequenceTools.containedSubSequences(sequences, length);
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69 | }
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70 |
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71 | @Test
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72 | public void testGenerateWeights_1()
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73 | throws Exception {
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74 | Map<List<? extends Event<?>>, Double> result = SequenceTools.generateWeights(mockProcess, subSequences);
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75 |
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76 | assertNotNull(result);
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77 | Set<Entry<List<? extends Event<?>>, Double>> entrySet = result.entrySet();
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78 | assertEquals(subSequences.size(),entrySet.size());
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79 | for( Entry<List<? extends Event<?>>, Double> entry : entrySet ) {
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80 | assertEquals(Double.valueOf(2.0d), entry.getValue());
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81 | assertTrue(subSequences.contains(entry.getKey()));
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82 | }
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83 | }
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84 |
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85 | @Test
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86 | public void testGenerateWeights_2()
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87 | throws Exception {
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88 | Map<List<? extends Event<?>>, Double> result = SequenceTools.generateWeights(null, subSequences);
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89 |
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90 | Set<Entry<List<? extends Event<?>>, Double>> entrySet = result.entrySet();
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91 | assertEquals(subSequences.size(),entrySet.size());
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92 | for( Entry<List<? extends Event<?>>, Double> entry : entrySet ) {
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93 | assertEquals(Double.valueOf(0.0d), entry.getValue());
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94 | assertTrue(subSequences.contains(entry.getKey()));
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95 | }
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96 | }
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97 |
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98 | @Test
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99 | public void testGenerateWeights_3()
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100 | throws Exception {
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101 | Map<List<? extends Event<?>>, Double> result = SequenceTools.generateWeights(mockProcess, null);
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102 |
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103 | assertNotNull(result);
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104 | assertTrue(result.isEmpty());
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105 | }
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106 |
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107 | @Test
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108 | public void testNumSequences_1()
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109 | throws Exception {
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110 | int length = 2;
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111 | int expected = 49;
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112 |
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113 | long result = SequenceTools.numSequences(mockProcess, length);
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114 |
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115 | assertEquals(expected, result);
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116 | }
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117 |
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118 | @Test
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119 | public void testNumSequences_2()
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120 | throws Exception {
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121 | int length = 2;
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122 | int expected = 49;
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123 |
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124 | long result = SequenceTools.numSequences(mockProcess, length);
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125 |
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126 | assertEquals(expected, result);
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127 | }
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128 |
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129 | @Test(expected = java.security.InvalidParameterException.class )
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130 | public void testNumSequences_3()
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131 | throws Exception {
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132 | int length = 0;
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133 |
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134 | SequenceTools.numSequences(mockProcess, length);
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135 | }
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136 |
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137 | @Test(expected = java.security.InvalidParameterException.class )
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138 | public void testNumSequences_4()
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139 | throws Exception {
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140 | IStochasticProcess process = new FirstOrderMarkovModel(new Random());
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141 | int length = -1;
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142 |
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143 | SequenceTools.numSequences(process, length);
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144 | }
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145 |
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146 | @Before
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147 | public void setUp()
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148 | throws Exception {
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149 | sequences = new LinkedList<List<? extends Event<?>>>();
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150 | List<Event<?>> sequence1 = new ArrayList<Event<?>>();
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151 | sequence1.add(new Event<String>("a"));
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152 | sequence1.add(new Event<String>("b"));
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153 | sequence1.add(new Event<String>("r"));
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154 | sequence1.add(new Event<String>("a"));
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155 | List<Event<?>> sequence2 = new ArrayList<Event<?>>();
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156 | sequence2.add(new Event<String>("c"));
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157 | sequence2.add(new Event<String>("a"));
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158 | sequence2.add(new Event<String>("d"));
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159 | sequence2.add(new Event<String>("a"));
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160 | sequence2.add(new Event<String>("b"));
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161 | sequence2.add(new Event<String>("r"));
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162 | sequence2.add(new Event<String>("a"));
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163 | sequences.add(sequence1);
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164 | sequences.add(sequence2);
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165 |
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166 | subSequences = new LinkedHashSet<List<? extends Event<?>>>();
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167 | List<Event<?>> tmpList = new ArrayList<Event<?>>();
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168 | tmpList.add(new Event<String>("a"));
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169 | tmpList.add(new Event<String>("b"));
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170 | subSequences.add(tmpList);
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171 | tmpList = new ArrayList<Event<?>>();
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172 | tmpList.add(new Event<String>("b"));
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173 | tmpList.add(new Event<String>("r"));
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174 | subSequences.add(tmpList);
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175 | tmpList = new ArrayList<Event<?>>();
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176 | tmpList.add(new Event<String>("r"));
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177 | tmpList.add(new Event<String>("a"));
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178 | subSequences.add(tmpList);
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179 | tmpList = new ArrayList<Event<?>>();
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180 | tmpList.add(new Event<String>("c"));
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181 | tmpList.add(new Event<String>("a"));
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182 | subSequences.add(tmpList);
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183 | tmpList = new ArrayList<Event<?>>();
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184 | tmpList.add(new Event<String>("a"));
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185 | tmpList.add(new Event<String>("d"));
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186 | subSequences.add(tmpList);
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187 | tmpList = new ArrayList<Event<?>>();
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188 | tmpList.add(new Event<String>("d"));
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189 | tmpList.add(new Event<String>("a"));
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190 | subSequences.add(tmpList);
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191 |
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192 | int markovOrder = 2;
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193 | mockProcess = new MockTrieBasedModel(markovOrder, new Random());
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194 | mockProcess.train(sequences);
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195 | }
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196 |
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197 | public static void main(String[] args) {
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198 | new org.junit.runner.JUnitCore().run(SequenceToolsTest.class);
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199 | }
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200 | } |
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