1 | /* |
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2 | * To change this template, choose Tools | Templates |
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3 | * and open the template in the editor. |
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4 | */ |
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5 | package org.biohackathon.SPARQLBuilder.OWL; |
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6 | |
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7 | /** |
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8 | * |
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9 | * @author atsuko |
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10 | */ |
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11 | import java.util.*; |
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12 | |
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13 | public class OWLClassGraph extends LabeledMultiDigraph{ |
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14 | //String startClass; |
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15 | //String endClass; |
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16 | int nsteps = 4; |
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17 | int limit = 100; |
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18 | int th = 1; |
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19 | List<String> nodeType; |
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20 | ArrayList<HashSet<Integer>> connectionTable; |
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21 | String sparqlEndpoint; |
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22 | Set<Integer> visited; |
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23 | boolean askcheck; |
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24 | List<Map<Integer, Integer>> edgeweight; |
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25 | List<Integer> nodeweight; |
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26 | |
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27 | public class LinkAndPath{ |
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28 | String originalClassURI; // originalClasssURI -classLink.propertyURI-> classLink.linkedClassURL |
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29 | ClassLink classLink; |
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30 | List<ClassLink> path; |
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31 | Set<String> classURIs; // apearing class URIs in the path |
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32 | |
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33 | |
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34 | public LinkAndPath(ClassLink classLink, List<ClassLink> path){ |
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35 | this.classLink = classLink; |
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36 | this.path = path; |
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37 | } |
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38 | |
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39 | public LinkAndPath(ClassLink classLink, List<ClassLink> path, String originalClassURI){ |
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40 | this.classLink = classLink; |
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41 | this.path = path; |
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42 | this.originalClassURI = originalClassURI; |
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43 | } |
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44 | |
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45 | public LinkAndPath(ClassLink classLink, List<ClassLink> path, String originalClassURI, Set<String> classURIs){ |
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46 | this.classLink = classLink; |
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47 | this.path = path; |
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48 | this.originalClassURI = originalClassURI; |
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49 | this.classURIs = classURIs; |
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50 | } |
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51 | } |
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52 | |
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53 | public OWLClassGraph(){ // not used |
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54 | super(); |
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55 | nodeType = new LinkedList<String>(); |
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56 | } |
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57 | |
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58 | public OWLClassGraph(RDFSchemaAnalyzer rdfsa){ // not used |
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59 | super(); |
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60 | nodeType = new LinkedList<String>(); |
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61 | } |
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62 | |
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63 | public OWLClassGraph(RDFSchemaAnalyzer rdfsa, String sparqlEndpoint, String startClass, boolean askcheck){ // used |
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64 | super(); |
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65 | nodeType = new LinkedList<String>(); |
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66 | this.askcheck = askcheck; |
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67 | setPartClassGraph(rdfsa, sparqlEndpoint, startClass); |
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68 | } |
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69 | |
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70 | public int getNumberOfEdge(String url){ |
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71 | Integer node = labelednodes.get(url); |
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72 | if (node == null){ |
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73 | return 0; |
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74 | } |
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75 | return adjlist.get(node).size(); |
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76 | } |
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77 | |
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78 | public boolean visitedNode(String classURI){ |
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79 | if ( visited.contains(labelednodes.get(classURI)) ){ |
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80 | return true; |
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81 | } |
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82 | return false; |
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83 | } |
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84 | |
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85 | public Path[] getPaths(String startClass, String endClass){ |
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86 | List<List<ClassLink>> paths = searchPaths(startClass, endClass); |
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87 | |
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88 | NavigableSet<Path> sortedpath = new TreeSet<Path>(); |
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89 | ListIterator<List<ClassLink>> pit = paths.listIterator(); |
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90 | int j = 0; |
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91 | while ( pit.hasNext() ){ |
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92 | Path path = new Path(); |
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93 | path.setStartClass(startClass); |
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94 | List<ClassLink> crrpath = pit.next(); |
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95 | path.setClassLinks(crrpath); |
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96 | ListIterator<ClassLink> cit = crrpath.listIterator(); |
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97 | int min = Integer.MAX_VALUE; |
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98 | while ( cit.hasNext() ){ |
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99 | ClassLink cl = cit.next(); |
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100 | if ( cl.getNumOfLinks() < min ){ |
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101 | min = cl.getNumOfLinks(); |
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102 | } |
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103 | } |
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104 | // using length of path |
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105 | int rankwidth = (int) ( ( min * nsteps )/ crrpath.size() ); |
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106 | path.setWidth(rankwidth); |
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107 | sortedpath.add(path); |
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108 | j++; |
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109 | } |
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110 | Path[] patharray = new Path[paths.size()]; |
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111 | Iterator<Path> pait = sortedpath.descendingIterator(); |
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112 | int i = 0; |
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113 | while ( pait.hasNext() ){ |
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114 | patharray[i] = pait.next(); |
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115 | i++; |
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116 | } |
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117 | return patharray; |
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118 | } |
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119 | |
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120 | public HashSet<Integer> getConnectionList(Integer node){ |
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121 | return connectionTable.get(node); |
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122 | } |
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123 | |
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124 | private List<List<ClassLink>> searchPaths(String startClass, String endClass){ |
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125 | //int asked = 0; |
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126 | Map<String,Boolean> checkedpaths = new HashMap<String, Boolean>(); |
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127 | List<List<ClassLink>> paths = new ArrayList<>(); |
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128 | Integer snode = labelednodes.get(startClass); |
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129 | Integer enode = labelednodes.get(endClass); |
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130 | List<List<Integer>> simplePaths = searchSimplePaths(snode, enode); |
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131 | |
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132 | ListIterator<List<Integer>> pit = simplePaths.listIterator(); |
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133 | //System.out.println("SPATH:"); |
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134 | //System.out.println(simplePaths.size()); |
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135 | while( pit.hasNext()){ |
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136 | List<Integer> spath = pit.next(); |
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137 | List<List<ClassLink>> convertedPaths = convertSimplePathToPaths(spath); |
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138 | paths.addAll(convertedPaths); |
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139 | } |
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140 | //System.out.println("PATH:"); |
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141 | //System.out.println(paths.size()); |
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142 | return paths; |
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143 | } |
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144 | |
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145 | private List<List<Integer>> searchSimplePaths(Integer snode, Integer enode){ |
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146 | List<List<Integer>> simplePaths = new LinkedList<>(); |
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147 | List<List<Integer>> lp = new LinkedList<>(); |
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148 | List<Integer> ini = new LinkedList<Integer>(); // initial path |
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149 | ini.add(snode); |
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150 | lp.add(ini); |
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151 | for (int i = 0; i < nsteps; i++ ){ |
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152 | ListIterator<List<Integer>> lit = lp.listIterator(); |
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153 | List<List<Integer>> nextlp = new LinkedList<>(); |
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154 | while ( lit.hasNext() ){ |
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155 | List<Integer> crrpath = lit.next(); |
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156 | Integer crrnode = crrpath.get(crrpath.size()-1); |
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157 | Set<Integer> nexts = gadjlist.get(crrnode).keySet(); |
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158 | Iterator<Integer> nit = nexts.iterator(); |
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159 | while( nit.hasNext() ){ |
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160 | Integer nextnode = nit.next(); |
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161 | if ( crrpath.contains(nextnode) ){ continue; } |
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162 | List<Integer> nextpath = new LinkedList<Integer>(crrpath); // copy |
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163 | nextpath.add(nextnode); |
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164 | // tmp |
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165 | if ( i >= 1 ){ |
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166 | int wn = nodeweight.get(crrnode); |
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167 | int in = edgeweight.get(crrpath.get(crrpath.size()-2)).get(crrnode); |
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168 | int out = edgeweight.get(nextnode).get(crrnode); |
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169 | if ( wn > in + out ){ |
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170 | /* |
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171 | String key1 = nextnode.toString().concat("-").concat(crrpath.get(crrpath.size()-1).toString()) |
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172 | .concat("-").concat(crrpath.get(crrpath.size()-2).toString()); |
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173 | String key2 = crrpath.get(crrpath.size()-2).toString().concat("-").concat(crrpath.get(crrpath.size()-1).toString()) |
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174 | .concat("-").concat(nextnode.toString()); |
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175 | if ( checkedpaths.containsKey(key1) ){ |
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176 | if ( checkedpaths.get(key1) == false ){ |
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177 | continue; |
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178 | } |
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179 | }else if ( checkedpaths.containsKey(key2) ){ |
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180 | if ( checkedpaths.get(key2) == false ){ |
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181 | continue; |
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182 | } |
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183 | }else{ |
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184 | boolean chk = EndpointAccess.check3SimplePathwithJoin(nextnode, crrpath.get(crrpath.size()-1), |
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185 | crrpath.get(crrpath.size()-2), this, sparqlEndpoint); |
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186 | checkedpaths.put(key1, chk); |
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187 | if ( chk == false ){ |
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188 | continue; |
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189 | } |
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190 | } |
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191 | */ |
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192 | continue; |
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193 | } |
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194 | } |
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195 | if ( nextnode.equals(enode) ){ |
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196 | simplePaths.add(nextpath); |
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197 | continue; |
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198 | } |
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199 | nextlp.add(nextpath); |
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200 | } |
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201 | } |
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202 | lp = nextlp; |
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203 | } |
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204 | return simplePaths; |
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205 | } |
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206 | |
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207 | |
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208 | private List<List<ClassLink>> convertSimplePathToPaths(List<Integer> simplePath){ |
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209 | List<List<ClassLink>> paths = new LinkedList<List<ClassLink>>(); |
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210 | ListIterator<Integer> spit = simplePath.listIterator(); |
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211 | Integer start = spit.next(); |
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212 | String startClass = this.labels.get(start); |
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213 | Integer end = spit.next(); |
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214 | List<LabeledEdge> edges = gadjlist.get(start).get(end); |
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215 | ListIterator<LabeledEdge> eit = edges.listIterator(); |
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216 | while ( eit.hasNext() ){ |
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217 | List<ClassLink> cl = new LinkedList<ClassLink>(); |
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218 | cl.add((ClassLink)eit.next().getLabel()); |
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219 | paths.add(cl); |
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220 | } |
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221 | start = end; |
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222 | while( spit.hasNext() ){ |
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223 | end = spit.next(); |
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224 | // start-end |
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225 | edges = gadjlist.get(start).get(end); |
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226 | List<List<ClassLink>> tmppaths = new LinkedList<List<ClassLink>>(); |
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227 | // current path |
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228 | ListIterator<List<ClassLink>> pit = paths.listIterator(); |
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229 | while ( pit.hasNext() ){ |
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230 | List<ClassLink> basepath = pit.next(); |
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231 | eit = edges.listIterator(); |
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232 | while ( eit.hasNext() ){ |
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233 | ClassLink cl = (ClassLink) eit.next().label; |
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234 | List<ClassLink> addedpath = new LinkedList<ClassLink>(basepath); |
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235 | addedpath.add(cl); |
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236 | // check |
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237 | //if ( EndpointAccess.checkPath(startClass, addedpath, sparqlEndpoint) ){ |
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238 | tmppaths.add(addedpath); |
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239 | //} |
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240 | } |
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241 | } |
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242 | paths = tmppaths; |
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243 | start = end; |
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244 | } |
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245 | return paths; |
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246 | } |
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247 | |
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248 | /* |
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249 | private void setClassGraph(RDFSchemaAnalyzer rdfsa){ |
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250 | // setNodes |
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251 | SClass[] classes = null; |
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252 | try{ |
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253 | classes = rdfsa.getOWLClasses(null, null, null, true); |
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254 | }catch(Exception e){ |
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255 | System.err.println(e); return; |
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256 | } |
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257 | for (int i = 0 ; i < classes.length; i++){ |
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258 | addNode(classes[i].getClassURI()); |
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259 | nodeType.add("class"); |
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260 | } |
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261 | // setEdges |
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262 | for (int i = 0 ; i < classes.length; i++ ){ |
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263 | try{ |
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264 | ClassLink[] classLinks = rdfsa.getNextClass(null, classes[i].getClassURI(), limit, true); |
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265 | for (int j = 0 ; j < classLinks.length; j++){ |
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266 | Integer n = labelednodes.get(classLinks[j].getLinkedClassURI()); |
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267 | if ( n != null ){ |
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268 | addEdge(i, n, classLinks[j]); |
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269 | }else{ |
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270 | n = labelednodes.get(classLinks[j].getLinkedLiteralDatatypeURI()); |
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271 | if ( n == null ){ |
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272 | addNode(classLinks[j].getLinkedLiteralDatatypeURI()); |
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273 | n = nodeType.size(); |
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274 | nodeType.add("literal"); |
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275 | } |
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276 | addEdge(i, n, classLinks[j]); |
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277 | } |
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278 | } |
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279 | }catch(Exception e){ |
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280 | System.err.println(e); |
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281 | } |
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282 | } |
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283 | }*/ |
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284 | |
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285 | public void setPartClassGraph(RDFSchemaAnalyzer rdfsa, String sparqlEndpoint, String startClass){ |
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286 | // set endpoint |
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287 | this.sparqlEndpoint = sparqlEndpoint; |
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288 | visited = new HashSet<Integer>(); |
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289 | edgeweight = new LinkedList<Map<Integer,Integer>>(); |
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290 | nodeweight = new LinkedList<Integer>(); |
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291 | // setNodes for all classes |
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292 | SClass[] classes = null; |
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293 | try{ |
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294 | classes = rdfsa.getOWLClasses(null, null, null, true); |
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295 | }catch(Exception e){ |
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296 | System.err.println(e); return; |
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297 | } |
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298 | for (int i = 0 ; i < classes.length; i++){ |
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299 | addNode(classes[i].getClassURI()); |
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300 | nodeType.add("class"); |
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301 | edgeweight.add(new HashMap<Integer,Integer>()); |
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302 | nodeweight.add(classes[i].getNumOfInstances()); |
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303 | } |
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304 | // setEdges |
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305 | Integer snode = labelednodes.get(startClass); |
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306 | Set<Integer> nodes = new HashSet<Integer>(); |
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307 | nodes.add(snode); |
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308 | visited.add(snode); |
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309 | for (int i = 0 ; i < nsteps; i++ ){ |
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310 | Iterator<Integer> nit = nodes.iterator(); |
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311 | Set<Integer> nextnodes = new HashSet<Integer>(); |
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312 | while ( nit.hasNext() ){ |
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313 | Integer crr = nit.next(); |
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314 | try{ |
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315 | ClassLink[] classLinks = rdfsa.getNextClass(null, labels.get(crr), limit, true); |
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316 | for (int j = 0 ; j < classLinks.length; j++){ |
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317 | Integer nn = labelednodes.get(classLinks[j].getLinkedClassURI()); |
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318 | if ( nn == null ){ |
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319 | continue; |
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320 | } |
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321 | if ( !visited.contains(nn) ){ |
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322 | nextnodes.add(nn); |
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323 | } |
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324 | addEdge(crr, nn, classLinks[j]); |
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325 | updateWeight(crr, nn, classLinks[j]); |
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326 | } |
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327 | }catch(Exception e){ |
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328 | e.printStackTrace(); |
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329 | } |
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330 | } |
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331 | nodes = nextnodes; |
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332 | visited.addAll(nodes); |
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333 | } |
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334 | // cut visited |
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335 | Iterator<Integer> nit = visited.iterator(); |
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336 | while(nit.hasNext()){ |
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337 | Integer node = nit.next(); |
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338 | if ( ! node.equals(snode) ){ |
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339 | List<List<Integer>> paths = searchSimplePaths(snode, node); |
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340 | if ( paths.isEmpty()){ |
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341 | nit.remove(); |
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342 | } |
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343 | } |
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344 | } |
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345 | } |
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346 | |
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347 | |
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348 | private ArrayList<HashSet<Integer>> createConnectionTable(){ // not used |
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349 | ArrayList<HashSet<Integer>> ct = new ArrayList<HashSet<Integer>>(); |
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350 | for (int i = 0; i < labels.size(); i++ ){ // each node |
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351 | HashSet<Integer> cl = createConnectionList(i); |
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352 | ct.add(cl); |
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353 | } |
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354 | return ct; |
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355 | } |
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356 | |
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357 | private HashSet<Integer> createConnectionList(Integer node){ // not used |
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358 | HashSet<Integer> cl = new HashSet<Integer>(); |
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359 | HashSet<Integer> crrnodes = new HashSet<Integer>(); |
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360 | crrnodes.add(node); |
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361 | cl.add(node); |
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362 | for ( int i = 0 ; i < nsteps; i++ ){ |
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363 | Set<Integer> nextnodes = new HashSet<Integer>(); |
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364 | Iterator<Integer> cit = crrnodes.iterator(); |
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365 | while ( cit.hasNext() ){ |
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366 | Integer crr = cit.next(); |
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367 | Set<Integer> nexts = gadjlist.get(crr).keySet(); |
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368 | Iterator<Integer> nit = nexts.iterator(); |
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369 | while ( nit.hasNext() ){ |
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370 | Integer next = nit.next(); |
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371 | if ( !cl.contains(next) ){ |
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372 | nextnodes.add(next); |
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373 | cl.add(next); |
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374 | } |
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375 | } |
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376 | } |
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377 | crrnodes.clear(); |
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378 | crrnodes.addAll(nextnodes); |
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379 | } |
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380 | return cl; |
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381 | } |
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382 | |
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383 | |
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384 | private void updateWeight(Integer node1, Integer node2, ClassLink edge){ |
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385 | Map<Integer, Integer> weight = edgeweight.get(node1); |
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386 | Integer crr = weight.get(node2); |
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387 | if (crr == null ){ |
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388 | crr = edge.getNumOfLinkedClassInstances(); |
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389 | weight.put(node2, crr); |
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390 | } |
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391 | if ( crr < edge.getNumOfLinkedClassInstances() ){ |
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392 | crr = edge.getNumOfLinkedClassInstances(); |
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393 | weight.put(node2, crr); |
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394 | } |
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395 | weight = edgeweight.get(node2); |
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396 | crr = weight.get(node1); |
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397 | if (crr == null ){ |
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398 | crr = edge.getNumOfOriginClassInstances(); |
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399 | weight.put(node2, crr); |
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400 | } |
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401 | if ( crr < edge.getNumOfOriginClassInstances() ){ |
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402 | crr = edge.getNumOfOriginInstances(); |
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403 | weight.put(node1, crr); |
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404 | } |
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405 | } |
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406 | |
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407 | // old codes |
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408 | /* |
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409 | public Path[] getPaths_old(RDFSchemaAnalyzer rdfsa, boolean countLink, String startClass, String endClass){ |
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410 | List<List<ClassLink>> paths = null; |
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411 | paths = searchPathsbyVisitingNodes(rdfsa, countLink, startClass, endClass); |
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412 | NavigableSet<Path> sortedpath = new TreeSet<Path>(); |
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413 | ListIterator<List<ClassLink>> pit = paths.listIterator(); |
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414 | int j = 0; |
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415 | while ( pit.hasNext() ){ |
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416 | Path path = new Path(); |
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417 | path.setStartClass(startClass); |
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418 | List<ClassLink> crrpath = pit.next(); |
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419 | path.setClassLinks(crrpath); |
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420 | ListIterator<ClassLink> cit = crrpath.listIterator(); |
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421 | int min = Integer.MAX_VALUE; |
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422 | while ( cit.hasNext() ){ |
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423 | ClassLink cl = cit.next(); |
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424 | if ( cl.getNumOfLinks() < min ){ |
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425 | min = cl.getNumOfLinks(); |
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426 | } |
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427 | } |
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428 | path.setWidth(min); |
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429 | sortedpath.add(path); |
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430 | j++; |
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431 | } |
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432 | Path[] patharray = new Path[paths.size()]; |
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433 | Iterator<Path> pait = sortedpath.descendingIterator(); |
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434 | int i = 0; |
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435 | while ( pait.hasNext() ){ |
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436 | patharray[i] = pait.next(); |
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437 | i++; |
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438 | } |
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439 | return patharray; |
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440 | } |
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441 | |
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442 | private List<List<ClassLink>> searchPaths_old(String startClass, String endClass){ |
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443 | |
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444 | List<List<ClassLink>> paths = new ArrayList<>(); |
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445 | List<List<Integer>> simplePaths = new LinkedList<>(); |
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446 | Integer snode = labelednodes.get(startClass); |
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447 | Integer enode = labelednodes.get(endClass); |
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448 | List<List<Integer>> lp = new LinkedList<>(); |
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449 | List<Integer> ini = new LinkedList<Integer>(); // initial path |
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450 | ini.add(snode); |
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451 | lp.add(ini); |
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452 | for (int i = 0; i < nsteps; i++ ){ |
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453 | ListIterator<List<Integer>> lit = lp.listIterator(); |
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454 | List<List<Integer>> nextlp = new LinkedList<>(); |
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455 | while ( lit.hasNext() ){ |
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456 | List<Integer> crrpath = lit.next(); |
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457 | Integer crrnode = crrpath.get(crrpath.size()-1); |
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458 | Set<Integer> nexts = gadjlist.get(crrnode).keySet(); |
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459 | Iterator<Integer> nit = nexts.iterator(); |
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460 | while( nit.hasNext() ){ |
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461 | Integer nextnode = nit.next(); |
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462 | if ( crrpath.contains(nextnode) ){ continue; } |
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463 | List<Integer> nextpath = new LinkedList<Integer>(crrpath); // copy |
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464 | nextpath.add(nextnode); |
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465 | if ( nextnode.equals(enode) ){ |
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466 | simplePaths.add(nextpath); |
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467 | continue; |
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468 | } |
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469 | nextlp.add(nextpath); |
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470 | } |
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471 | } |
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472 | lp = nextlp; |
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473 | } |
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474 | |
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475 | ListIterator<List<Integer>> pit = simplePaths.listIterator(); |
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476 | while( pit.hasNext()){ |
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477 | List<Integer> spath = pit.next(); |
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478 | List<List<ClassLink>> convertedPaths = convertSimplePathToPaths(spath); |
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479 | paths.addAll(convertedPaths); |
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480 | } |
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481 | return paths; |
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482 | } |
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483 | */ |
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484 | /* |
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485 | private List<List<ClassLink>> searchPaths(RDFSchemaAnalyzer rdfsa, boolean countLinks){ |
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486 | List<List<ClassLink>> paths = new ArrayList<>(); |
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487 | List<LinkAndPath> lp = new LinkedList<>(); |
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488 | lp.add(new LinkAndPath(new ClassLink("",startClass,null,Direction.both,0,0,0,0,0,false,false), new LinkedList<ClassLink>(), "")); |
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489 | try{ |
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490 | for ( int i = 0; i < nsteps; i++ ){ |
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491 | ListIterator<LinkAndPath> lit = lp.listIterator(); |
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492 | List<LinkAndPath> nextlp = new LinkedList<>(); |
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493 | while ( lit.hasNext() ){ |
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494 | LinkAndPath crrlp = lit.next(); |
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495 | ClassLink[] classLinks = rdfsa.getNextClass(null, crrlp.classLink.getLinkedClassURI(), limit, countLinks); |
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496 | for ( int j = 0 ; j < classLinks.length; j++ ){ |
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497 | List<ClassLink> crrpath = new LinkedList<>(crrlp.path); |
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498 | crrpath.add(classLinks[j]); |
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499 | if ( classLinks[j].getLinkedClassURI() == null ){ continue; } |
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500 | if ( classLinks[j].getLinkedClassURI().equals(endClass) ){ |
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501 | paths.add(new LinkedList<>(crrpath)); |
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502 | continue; |
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503 | } |
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504 | if ( countLinks == true && classLinks[j].getNumOfLinks() <= th){ |
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505 | continue; |
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506 | } |
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507 | if ( i >= 2 ){ |
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508 | if ( crrlp.classLink.getPropertyURI().equals(classLinks[j].getPropertyURI()) && |
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509 | crrlp.classLink.getDirection() != classLinks[j].getDirection() && |
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510 | crrlp.originalClassURI.equals( classLinks[j].getLinkedClassURI()) ){ |
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511 | continue; |
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512 | } |
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513 | } |
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514 | nextlp.add(new LinkAndPath(classLinks[j], crrpath, crrlp.classLink.getLinkedClassURI())); |
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515 | } |
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516 | } |
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517 | lp = nextlp; |
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518 | } |
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519 | }catch(Exception e){ |
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520 | System.err.println(e); |
---|
521 | } |
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522 | return paths; |
---|
523 | } |
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524 | */ |
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525 | |
---|
526 | } |
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