Examples with ListResource ai.grakn.engine.controller.response.ListResource used on opensource projects

Example 1 with ListResource

use of ai.grakn.engine.controller.response.ListResource in project grakn by graknlabs.

the class ConceptController method getConcepts.

private String getConcepts(Request request, Response response, String key, Function<GraknTx, Stream<? extends ai.grakn.concept.Concept>> getter) throws JsonProcessingException {
    response.type(APPLICATION_JSON);
    Keyspace keyspace = Keyspace.of(mandatoryPathParameter(request, KEYSPACE_PARAM));
    try (GraknTx tx = factory.tx(keyspace, READ);
        Timer.Context context = labelGetTimer.time()) {
        List<Concept> concepts = getter.apply(tx).map(ConceptBuilder::<Concept>build).collect(Collectors.toList());
        ListResource list = ListResource.create(Requests.selfLink(request), key, concepts);
        response.status(SC_OK);
        return objectMapper.writeValueAsString(list);
    }
}