nwillc

public final class ExtractorFactory<B> {
  /* ... */
   public <T> ExtractorFactory<B> add(BiConsumer<B, T> setter, 
    ThrowingBiFunction<ResultSet, Integer, T> getter, 
    Integer index) { /* ... */ }

    public <T> ExtractorFactory<B> add(BiConsumer<B, T> setter, 
      ThrowingBiFunction<ResultSet, String, T> getter, 
      String column) { /* ... */ }
}

nwillc

final Extractor<Bean> extractor = factory
  .add(Bean::setSomeLong, ResultSet::getLong, 1)
  .add(Been::setFName, ResultSet::getString, "fname")
  .factory(Bean::new)
  .getExtractor();

nwillc

    private Map<String, Object> graphql(Request request, Response response) {
        Map<String, Object> payload;
        payload = getMapper().readValue(request.body(), Map.class);
        Map<String,Object> variables = (Map<String, Object>) payload.get("variables");
        ExecutionResult executionResult = graphql.execute(payload.get("query").toString(), null, null, variables);
        Map<String, Object> result = new LinkedHashMap<>();
        if (executionResult.getErrors().size() > 0) {
            result.put("errors", executionResult.getErrors());
        }
        result.put("data", executionResult.getData());

nwillc

private Map<String, Object> graphql(Request request, 
                                    Response response) {
  Map<String, Object> payload;
  payload = getMapper().readValue(request.body(), Map.class);
  Map<String,Object> variables = 
    (Map<String, Object>) payload.get("variables");
  ExecutionResult executionResult = 
    graphql.execute(payload.get("query").toString(), null, null, variables);
  Map<String, Object> result = new LinkedHashMap<>();
  if (executionResult.getErrors().size() > 0) {

nwillc

{
  "query": "{ categories{ key name }}",
  "variables": {}
}

nwillc

public class Category {
  private String name;
  private String key;
  
  /* Constructors, Gettters, Setters */
}

nwillc

GraphQLObjectType category = newObject()
  .name("category")
  .field(newFieldDefinition()
         .name("key")
         .type(GraphQLString)
         .build())
  .field(newFieldDefinition()
         .name("name")
         .type(GraphQLString)
         .build())

nwillc

return newObject()
    .name("query")
    .field(newFieldDefinition()
    .name("category")
    .type(category)
    .argument(newArgument()
      .name("key")
      .type(new GraphQLNonNull(GraphQLString))
      .build())
    .dataFetcher(environment -> categoryDao.findOne(environment.getArgument("key")).orElse(null))

nwillc

return newObject()
  .name("mutation")
  .field(newFieldDefinition()
         .name("category")
         .type(new GraphQLTypeReference("category"))
         .argument(newArgument()
                   .name("key")
                   .type(new GraphQLNonNull(GraphQLString))
                   .build())
         .argument(newArgument()

nwillc

var Graphql = function (url, query) {
  "use strict";
  var _this = this;
  this.url = url;
  this.query = query;
  this.variables = {};

  this.toString = function () {
    return JSON.stringify(_this);
  };