| 1 | /* |
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| 2 | * To change this license header, choose License Headers in Project Properties. |
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| 3 | * To change this template file, choose Tools | Templates |
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| 4 | * and open the template in the editor. |
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| 5 | */ |
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| 6 | |
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| 7 | package org.biohackathon.SPARQLBuilder.OWL; |
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| 8 | |
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| 9 | import com.hp.hpl.jena.query.*; |
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| 10 | import com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP; |
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| 11 | import java.util.*; |
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| 12 | |
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| 13 | /** |
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| 14 | * |
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| 15 | * @author atsuko |
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| 16 | */ |
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| 17 | |
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| 18 | /// Currently, this class is not used. Maybe it should be removed... |
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| 19 | |
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| 20 | public class EndpointAccess { |
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| 21 | static public boolean checkPath(Path path, String sparqlEndpoint){ |
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| 22 | return checkPath(path.getStartClass(), path.getClassLinks(), sparqlEndpoint); |
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| 23 | } |
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| 24 | |
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| 25 | static public boolean checkPath(String startClass, List<ClassLink> classlinks, String sparqlEndpoint){ |
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| 26 | // SPARQL Query construction |
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| 27 | StringBuilder queryStr = new StringBuilder(); |
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| 28 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"); |
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| 29 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"); |
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| 30 | queryStr.append("ASK { \n"); |
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| 31 | |
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| 32 | ListIterator<ClassLink> cit = classlinks.listIterator(); |
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| 33 | queryStr.append("?r0").append(" rdf:type <").append(startClass).append("> .\n"); |
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| 34 | int i = 0; |
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| 35 | while( cit.hasNext() ){ |
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| 36 | ClassLink link = cit.next(); |
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| 37 | //String next = link.getLinkedClassURI(); |
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| 38 | String sval = "?r".concat(Integer.toString(i)); |
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| 39 | String oval = "?r".concat(Integer.toString(i+1)); |
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| 40 | queryStr.append(oval).append(" rdf:type <").append(link.getLinkedClassURI()).append("> .\n"); |
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| 41 | if( link.getDirection() == Direction.forward ){ |
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| 42 | queryStr.append(sval).append(" <").append(link.getPropertyURI()).append("> ") |
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| 43 | .append(oval).append(" .\n"); |
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| 44 | }else{ |
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| 45 | queryStr.append(oval).append(" <").append(link.getPropertyURI()).append("> ") |
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| 46 | .append(sval).append(" .\n"); |
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| 47 | } |
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| 48 | i++; |
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| 49 | } |
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| 50 | queryStr.append("} \n"); |
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| 51 | |
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| 52 | String sparqlQuery = queryStr.toString(); |
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| 53 | Query query = QueryFactory.create(sparqlQuery, Syntax.syntaxARQ); |
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| 54 | QueryExecution qexec = QueryExecutionFactory.sparqlService(sparqlEndpoint, query); |
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| 55 | boolean res = qexec.execAsk(); |
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| 56 | qexec.close(); |
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| 57 | return res; |
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| 58 | } |
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| 59 | |
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| 60 | static public boolean checkSimplePath(List<Integer> nodes, OWLClassGraph ocg, String sparqlEndpoint){ |
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| 61 | // SPARQL Query construction |
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| 62 | StringBuilder queryStr = new StringBuilder(); |
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| 63 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"); |
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| 64 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"); |
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| 65 | queryStr.append("ASK { \n"); |
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| 66 | |
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| 67 | ListIterator<Integer> cit = nodes.listIterator(); |
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| 68 | queryStr.append("?r0").append(" rdf:type <").append(ocg.labels.get(cit.next())).append("> .\n"); |
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| 69 | int i = 0; |
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| 70 | while( cit.hasNext() ){ |
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| 71 | String cURI = ocg.labels.get(cit.next()); |
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| 72 | //String next = link.getLinkedClassURI(); |
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| 73 | String sval = "?r".concat(Integer.toString(i)); |
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| 74 | String pval = "?p".concat(Integer.toString(i)); |
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| 75 | String oval = "?r".concat(Integer.toString(i+1)); |
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| 76 | queryStr.append(oval).append(" rdf:type <").append(cURI).append("> .\n"); |
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| 77 | queryStr.append("{{"); |
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| 78 | queryStr.append(sval).append(" ").append(pval).append(" ") |
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| 79 | .append(oval).append(" }\n UNION\n {"); |
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| 80 | queryStr.append(oval).append(" ").append(pval).append(" ") |
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| 81 | .append(sval).append(" }}\n"); |
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| 82 | i++; |
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| 83 | } |
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| 84 | queryStr.append("} \n"); |
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| 85 | |
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| 86 | String sparqlQuery = queryStr.toString(); |
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| 87 | System.out.println("Ask Simple"); |
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| 88 | System.out.println(sparqlQuery); |
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| 89 | Query query = QueryFactory.create(sparqlQuery, Syntax.syntaxARQ); |
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| 90 | /* |
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| 91 | QueryEngineHTTP httpQuery = new QueryEngineHTTP(sparqlEndpoint, query); |
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| 92 | boolean res = httpQuery.execAsk(); |
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| 93 | httpQuery.close(); |
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| 94 | */ |
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| 95 | QueryExecution qexec = QueryExecutionFactory.sparqlService(sparqlEndpoint, query); |
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| 96 | boolean res = qexec.execAsk(); |
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| 97 | qexec.close(); |
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| 98 | return res; |
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| 99 | } |
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| 100 | |
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| 101 | static public boolean check3SimplePath(Integer node1, Integer node2, Integer node3, OWLClassGraph ocg, String sparqlEndpoint){ |
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| 102 | // SPARQL Query construction |
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| 103 | StringBuilder queryStr = new StringBuilder(); |
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| 104 | queryStr.append("PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"); |
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| 105 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"); |
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| 106 | queryStr.append("ASK { \n"); |
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| 107 | |
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| 108 | queryStr.append("?n1縲rdf:type ?c1 .\n"); |
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| 109 | queryStr.append("?n2縲rdf:type ?c2 .\n"); |
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| 110 | queryStr.append("?n3縲rdf:type ?c3 .\n"); |
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| 111 | |
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| 112 | queryStr.append("{{"); |
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| 113 | queryStr.append("?n1").append(" ").append("?p1").append(" ") |
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| 114 | .append("?n2").append(" }\n UNION\n {"); |
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| 115 | queryStr.append("?n2").append(" ").append("?p1").append(" ") |
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| 116 | .append("?n1").append(" }}\n"); |
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| 117 | |
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| 118 | queryStr.append("{{"); |
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| 119 | queryStr.append("?n2").append(" ").append("?p2").append(" ") |
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| 120 | .append("?n3").append(" }\n UNION\n {"); |
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| 121 | queryStr.append("?n3").append(" ").append("?p2").append(" ") |
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| 122 | .append("?n2").append(" }}\n"); |
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| 123 | |
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| 124 | queryStr.append("VALUES (?c1 ?c2 ?c3){ \n"); |
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| 125 | queryStr.append("<").append(ocg.labels.get(node1)).append("> \n"); |
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| 126 | queryStr.append("<").append(ocg.labels.get(node2)).append("> \n"); |
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| 127 | queryStr.append("<").append(ocg.labels.get(node3)).append("> \n"); |
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| 128 | queryStr.append("} \n"); |
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| 129 | queryStr.append("} \n"); |
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| 130 | |
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| 131 | String sparqlQuery = queryStr.toString(); |
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| 132 | System.out.println("Ask Simple3"); |
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| 133 | System.out.println(sparqlQuery); |
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| 134 | Query query = QueryFactory.create(sparqlQuery, Syntax.syntaxARQ); |
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| 135 | QueryExecution qexec = QueryExecutionFactory.sparqlService(sparqlEndpoint, query); |
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| 136 | boolean res = qexec.execAsk(); |
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| 137 | qexec.close(); |
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| 138 | return res; |
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| 139 | } |
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| 140 | |
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| 141 | static public boolean check3SimplePathwithJoin(Integer node1, Integer node2, Integer node3, OWLClassGraph ocg, String sparqlEndpoint){ |
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| 142 | StringBuilder queryStr = new StringBuilder(); |
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| 143 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"); |
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| 144 | queryStr.append("SELECT DISTINCT ?n2 { \n"); |
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| 145 | |
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| 146 | queryStr.append("?n1").append(" rdf:type <").append(ocg.labels.get(node1)).append("> .\n"); |
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| 147 | queryStr.append("?n2").append(" rdf:type <").append(ocg.labels.get(node2)).append("> .\n"); |
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| 148 | |
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| 149 | queryStr.append("{{"); |
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| 150 | queryStr.append("?n1").append(" ").append("?p1").append(" ") |
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| 151 | .append("?n2").append(" }\n UNION\n {"); |
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| 152 | queryStr.append("?n2").append(" ").append("?p1").append(" ") |
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| 153 | .append("?n1").append(" }}\n"); |
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| 154 | |
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| 155 | queryStr.append("} \n"); |
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| 156 | |
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| 157 | String sparqlQuery = queryStr.toString(); |
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| 158 | System.out.println("SELECT Simple3 by Join"); |
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| 159 | System.out.println(sparqlQuery); |
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| 160 | Query query = QueryFactory.create(sparqlQuery, Syntax.syntaxARQ); |
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| 161 | QueryExecution qexec = QueryExecutionFactory.sparqlService(sparqlEndpoint, query); |
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| 162 | ResultSet res1 = qexec.execSelect(); |
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| 163 | qexec.close(); |
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| 164 | |
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| 165 | queryStr = new StringBuilder(); |
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| 166 | queryStr.append("PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"); |
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| 167 | queryStr.append("SELECT DISTINCT ?n2 { \n"); |
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| 168 | |
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| 169 | queryStr.append("?n2").append(" rdf:type <").append(ocg.labels.get(node2)).append("> .\n"); |
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| 170 | queryStr.append("?n3").append(" rdf:type <").append(ocg.labels.get(node3)).append("> .\n"); |
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| 171 | |
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| 172 | queryStr.append("{{"); |
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| 173 | queryStr.append("?n2").append(" ").append("?p2").append(" ") |
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| 174 | .append("?n3").append(" }\n UNION\n {"); |
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| 175 | queryStr.append("?n3").append(" ").append("?p2").append(" ") |
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| 176 | .append("?n2").append(" }}\n"); |
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| 177 | |
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| 178 | queryStr.append("} \n"); |
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| 179 | |
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| 180 | sparqlQuery = queryStr.toString(); |
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| 181 | System.out.println("SELECT Simple3 by Join 2"); |
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| 182 | System.out.println(sparqlQuery); |
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| 183 | query = QueryFactory.create(sparqlQuery, Syntax.syntaxARQ); |
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| 184 | qexec = QueryExecutionFactory.sparqlService(sparqlEndpoint, query); |
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| 185 | ResultSet res2 = qexec.execSelect(); |
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| 186 | qexec.close(); |
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| 187 | |
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| 188 | Set<String> res1hash = new HashSet<String>(); |
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| 189 | while(res1.hasNext()){ |
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| 190 | String resstr = res1.next().toString(); |
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| 191 | res1hash.add(resstr); |
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| 192 | } |
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| 193 | while(res2.hasNext()){ |
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| 194 | if ( res1hash.contains(res2.next().toString())){ |
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| 195 | return true; |
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| 196 | } |
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| 197 | } |
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| 198 | return false; |
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| 199 | } |
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| 200 | } |
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