Examples with ConceptSearchRequestBuilder com.b2international.snowowl.core.request.ConceptSearchRequestBuilder used on opensource projects

Example 1 with ConceptSearchRequestBuilder

use of com.b2international.snowowl.core.request.ConceptSearchRequestBuilder in project snow-owl by b2ihealthcare.

the class FhirValueSetExpandRequest method computeFhirValueSetUsingUrl.

private ValueSet computeFhirValueSetUsingUrl(ServiceProvider context, String urlValue) {
    // only URLs with query parts are supported, every other case is rejected for now
    if (urlValue.contains("#")) {
        return null;
    }
    // extract the non-query part from the URL value
    String baseUrl = urlValue.split("\\?")[0];
    String query = "";
    if (urlValue.contains("?")) {
        query = urlValue.split("\\?")[1];
    }
    // if this is the base URI string, then always append the core module to represent the International Edition properly
    if (Uri.SNOMED_BASE_URI_STRING.equals(baseUrl)) {
        baseUrl = baseUrl.concat("/900000000000207008");
    }
    // try to lookup the CodeSystem using the baseUrl
    CodeSystem codeSystem = FhirRequests.codeSystems().prepareSearch().one().filterByUrl(baseUrl).buildAsync().execute(context).first().map(ResourceResponseEntry.class::cast).map(ResourceResponseEntry::getResponseResource).map(CodeSystem.class::cast).orElse(null);
    // if no CodeSystem stored to use as Value Set source, return NotFound response
    if (codeSystem == null) {
        return null;
    }
    // return the content of the CodeSystem as Value Set
    String id = Hashing.goodFastHash(8).hashString(urlValue, Charsets.UTF_8).toString();
    Builder valueSet = ValueSet.builder(id).url(urlValue).status(PublicationStatus.ACTIVE);
    final Expansion.Builder expansion = Expansion.builder().identifier(id).timestamp(new Date());
    ConceptSearchRequestBuilder req = CodeSystemRequests.prepareSearchConcepts().filterByCodeSystemUri(codeSystem.getResourceURI()).filterByActive(request.getActiveOnly()).filterByTerm(request.getFilter()).setLimit(request.getCount() == null ? 10 : request.getCount()).setSearchAfter(request.getAfter()).setPreferredDisplay("FSN").sortBy(!CompareUtils.isEmpty(request.getFilter()) ? SearchIndexResourceRequest.SCORE : SearchResourceRequest.Sort.fieldAsc("id"));
    Compose compose = null;
    // configure query based on fhir_vs query parameter and also build the compose declaration for this implicit Value Set
    if (Strings.isNullOrEmpty(query) || "fhir_vs".equals(query)) {
    // do nothing, search all concepts
    } else if (query.startsWith("fhir_vs=")) {
        String fhirVsValue = query.replace("fhir_vs=", "");
        if (fhirVsValue.startsWith("ecl/")) {
            String ecl = fhirVsValue.replace("ecl/", "");
            req.filterByQuery(ecl);
            // configure Value Set for ECL
            valueSet.name(String.format("%s Concepts matching %s", codeSystem.getName(), ecl)).description(String.format("All SNOMED CT concepts that match the expression constraint %s", ecl));
            // configure compose for ECL
            compose = Compose.builder().addInclude(Include.builder().addFilters(ValueSetFilter.builder().property("constraint").operator(FilterOperator.EQUALS).value(ecl).build()).build()).build();
        } else if (fhirVsValue.startsWith("isa/")) {
            String parent = fhirVsValue.replace("isa/", "");
            req.filterByAncestor(parent);
            // configure Value Set for IS A
            valueSet.name(String.format("%s Concept %s and descendants", codeSystem.getName(), parent)).description(String.format("All SNOMED CT concepts for %s", parent));
            // configure compose for IS A
            compose = Compose.builder().addInclude(Include.builder().system(baseUrl).addFilters(ValueSetFilter.builder().property("concept").operator(FilterOperator.IS_A).value(parent).build()).build()).build();
        } else if (fhirVsValue.startsWith("refset/")) {
            String refsetId = fhirVsValue.replace("refset/", "");
            if (Strings.isNullOrEmpty(refsetId)) {
                // TODO support refset identifier concept search
                return null;
            } else {
                req.filterByQuery("^" + refsetId);
                // configure Value Set for REFSET
                valueSet.name(String.format("%s Reference Set %s", codeSystem.getName(), refsetId)).description(String.format("All SNOMED CT concepts in the reference set %s", refsetId));
                // configure compose for REFSET
                compose = Compose.builder().addInclude(Include.builder().addFilters(ValueSetFilter.builder().property("concept").operator(FilterOperator.IN).value(refsetId).build()).build()).build();
            }
        } else {
            // TODO check against declared filter values in CodeSystem
            return null;
        }
    }
    Concepts concepts = req.buildAsync().execute(context);
    expansion.total(concepts.getTotal()).after(concepts.getSearchAfter());
    for (Concept concept : concepts) {
        expansion.addContains(Contains.builder().code(concept.getId()).system(baseUrl).display(concept.getTerm()).build());
    }
    return valueSet.compose(compose).expansion(expansion.build()).build();
}