Package org.deri.grefine.reconcile.rdf.executors

Examples of org.deri.grefine.reconcile.rdf.executors.DumpQueryExecutor


public class QueryEndpointFactory {

  public QueryEndpoint getLarqQueryEndpoint(Model model){
    SparqlQueryFactory queryFactory = new JenaTextSparqlQueryFactory();
    QueryExecutor queryExecutor = new DumpQueryExecutor(model);
    return new QueryEndpointImpl(queryFactory, queryExecutor);
  }
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  private QueryExecutor loadQueryExecutorFromJSON(JSONObject jsonObject) throws JSONException {
    String type = jsonObject.getString("type");
    if(type.equals("dump")){
      if(jsonObject.has("propertyUri")){
        return new DumpQueryExecutor(jsonObject.getString("propertyUri"))
      }else{
        return new DumpQueryExecutor();
      }
    }else{
      String url = jsonObject.getString("sparql-url");
      String graph = null;
      if(jsonObject.has("default-graph-uri")){
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      model.read(url,format);
    }
   
    QueryExecutor queryExecutor;
    if(propUris.size()==1){
      queryExecutor = new DumpQueryExecutor(model, propUris.get(0));
    }else{
      queryExecutor = new DumpQueryExecutor(model);
    }
    SparqlQueryFactory queryFactory = new JenaTextSparqlQueryFactory();
    QueryEndpoint queryEndpoint = new QueryEndpointImpl(queryFactory, queryExecutor);
    return new RdfReconciliationService(id, name, queryEndpoint, DEFAULT_MATCH_THRESHOLD);
  }
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      }
     
      SparqlQueryFactory queryFactory = new JenaTextSparqlQueryFactory();
      QueryExecutor queryExecutor;
      if(propUris.size()==1){
        queryExecutor = new DumpQueryExecutor(model,propUris.get(0));
      }else{
        queryExecutor = new DumpQueryExecutor(model);
      }
      QueryEndpoint queryEndpoint = new QueryEndpointImpl(queryFactory, queryExecutor);
      ReconciliationService service = new RdfReconciliationService(id, name, propUris, queryEndpoint, AddServiceCommand.DEFAULT_MATCH_THRESHOLD);
      GRefineServiceManager.singleton.addAndSaveService(service);
      return service;
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  }
 
  public boolean hasResult(Model model, String queryString, ImmutableList<String> searchPropertyUris, int limit) {
    //reconcile then get types for each element in the reconciliation result assure that order is preserved
    ReconciliationRequest request = new ReconciliationRequest(queryString, limit);
    QueryExecutor queryExecutor = new DumpQueryExecutor(model);
    List<ReconciliationCandidate> candidates = reconcileEntities(queryExecutor, request, searchPropertyUris, 2.0);
    return ! candidates.isEmpty();
  }
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  }
 
  public LinkedHashMultimap<String, String> guessType(Model model, String queryString, ImmutableList<String> searchPropertyUris, int limit) {
    //reconcile then get types for each element in the reconciliation result assure that order is preserved
    ReconciliationRequest request = new ReconciliationRequest(queryString, limit);
    QueryExecutor queryExecutor = new DumpQueryExecutor(model);
    List<ReconciliationCandidate> candidates = reconcileEntities(queryExecutor, request, searchPropertyUris, 2.0);
    List<String> entities = new ArrayList<String>();
    for(ReconciliationCandidate candidate:candidates){
      entities.add(candidate.getId());
    }
    if(entities.isEmpty()){
      //return empty result
      return LinkedHashMultimap.create();
    }
    String sparql = this.queryFactory.getTypesOfEntitiesQuery(ImmutableList.copyOf(entities));
    ResultSet resultSet = queryExecutor.sparql(sparql);
    Multimap<String, String> typesMap = this.queryFactory.wrapTypesOfEntities(resultSet);
    //order
    LinkedHashMultimap<String, String> result = LinkedHashMultimap.create();
    for(String uri:entities){
      result.putAll(uri, typesMap.get(uri));
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