graphdb/lib/server/server-client.js

Javascript client library supporting GraphDB and RDF4J REST API.

"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
var LoggingUtils = require('../logging/logging-utils');
var RDFRepositoryClient = require('../repository/rdf-repository-client');
var RepositoryClientConfig = require('../repository/repository-client-config');
var HttpRequestBuilder = require('../http/http-request-builder');
var RDFMimeType = require('../http/rdf-mime-type');
var Server = require('./server');
var SERVICE_URL = '/repositories';

/**
 * Extends the {@link Server} with RDF4J API provided by GraphDB.
 *
 * @class
 * @author Mihail Radkov
 * @author Svilen Velikov
 */
var ServerClient = /*#__PURE__*/function (_Server) {
  function ServerClient() {
    _classCallCheck(this, ServerClient);
    return _callSuper(this, ServerClient, arguments);
  }
  _inherits(ServerClient, _Server);
  return _createClass(ServerClient, [{
    key: "getRepositoryIDs",
    value:
    /**
     * Get an array of repository ids available in the server.
     *
     * @return {Promise<Array>} promise which resolves with an Array with
     * repository ids.
     */
    function getRepositoryIDs() {
      var _this = this;
      var requestBuilder = HttpRequestBuilder.httpGet(SERVICE_URL).addAcceptHeader(RDFMimeType.SPARQL_RESULTS_JSON);
      return this.execute(requestBuilder).then(function (response) {
        _this.logger.debug(LoggingUtils.getLogPayload(response, {}), 'Fetched repositories');
        return response.getData().results.bindings.map(function (_ref) {
          var id = _ref.id;
          return id.value;
        });
      });
    }

    /**
     * Check if repository with the provided id exists.
     * @param {string} id of the repository which should be checked.
     * @return {Promise<boolean>} promise which resolves with boolean value.
     */
  }, {
    key: "hasRepository",
    value: function hasRepository(id) {
      if (!id) {
        throw new Error('Repository id is required parameter!');
      }
      return this.getRepositoryIDs().then(function (repositoryIds) {
        return repositoryIds.indexOf(id) !== -1;
      });
    }

    /**
     * Creates a repository client instance with the provided id and
     * configuration.
     * @param {string} id of the repository
     * @param {RepositoryClientConfig} config for the overridable repository
     *    configuration.
     * @return {Promise<RDFRepositoryClient>} promise which resolves with
     *    new RDFRepositoryClient instance.
     */
  }, {
    key: "getRepository",
    value: function getRepository(id, config) {
      var _this2 = this;
      if (!id) {
        throw new Error('Repository id is required parameter!');
      }
      if (!config || !(config instanceof RepositoryClientConfig)) {
        throw new Error('RepositoryClientConfig is required parameter!');
      }
      return this.hasRepository(id).then(function (exists) {
        if (exists) {
          return new RDFRepositoryClient(config);
        }
        _this2.logger.error({
          repoId: id
        }, 'Repository does not exist');
        return Promise.reject(new Error("Repository with id ".concat(id, " does not exists.")));
      });
    }

    /**
     * Delete repository with the provided id.
     * @param {string} id of the repository which should be deleted.
     * @return {Promise<any>} promise which resolves with the delete result.
     */
  }, {
    key: "deleteRepository",
    value: function deleteRepository(id) {
      var _this3 = this;
      if (!id) {
        throw new Error('Repository id is required parameter!');
      }
      var requestBuilder = HttpRequestBuilder.httpDelete("".concat(SERVICE_URL, "/").concat(id));
      return this.execute(requestBuilder).then(function (response) {
        _this3.logger.info(LoggingUtils.getLogPayload(response, {
          repoId: id
        }), 'Deleted repository');
      });
    }
  }]);
}(Server);
module.exports = ServerClient;