neode
Version:
Neo4j OGM for NodeJS
224 lines (176 loc) • 9.44 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _Entity2 = _interopRequireDefault(require("./Entity"));
var _UpdateRelationship = _interopRequireDefault(require("./Services/UpdateRelationship"));
var _DeleteRelationship = _interopRequireDefault(require("./Services/DeleteRelationship"));
var _RelationshipType = require("./RelationshipType");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function () { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Relationship = /*#__PURE__*/function (_Entity) {
_inherits(Relationship, _Entity);
var _super = _createSuper(Relationship);
/**
*
* @param {Neode} neode Neode instance
* @param {RelationshipType} definition Relationship type definition
* @param {Integer} identity Identity
* @param {String} relationship Relationship type
* @param {Map} properties Map of properties for the relationship
* @param {Node} start Start Node
* @param {Node} end End Node
* @param {String} node_alias Alias given to the Node when converting to JSON
*/
function Relationship(neode, definition, identity, type, properties, start, end, node_alias) {
var _this;
_classCallCheck(this, Relationship);
_this = _super.call(this);
_this._neode = neode;
_this._definition = definition;
_this._identity = identity;
_this._type = type;
_this._properties = properties || new Map();
_this._start = start;
_this._end = end;
_this._node_alias = node_alias;
return _this;
}
/**
* Get the definition for this relationship
*
* @return {Definition}
*/
_createClass(Relationship, [{
key: "definition",
value: function definition() {
return this._definition;
}
/**
* Get the relationship type
*/
}, {
key: "type",
value: function type() {
return this._type;
}
/**
* Get the start node for this relationship
*
* @return {Node}
*/
}, {
key: "startNode",
value: function startNode() {
return this._start;
}
/**
* Get the start node for this relationship
*
* @return {Node}
*/
}, {
key: "endNode",
value: function endNode() {
return this._end;
}
/**
* Get the node on the opposite end of the Relationship to the subject
* (ie if direction is in, get the end node, otherwise get the start node)
*/
}, {
key: "otherNode",
value: function otherNode() {
return this._definition.direction() == _RelationshipType.DIRECTION_IN ? this.startNode() : this.endNode();
}
/**
* Convert Relationship to a JSON friendly Object
*
* @return {Promise}
*/
}, {
key: "toJson",
value: function toJson() {
var _this2 = this;
var output = {
_id: this.id(),
_type: this.type()
};
var definition = this.definition(); // Properties
definition.properties().forEach(function (property, key) {
if (property.hidden()) {
return;
}
if (_this2._properties.has(key)) {
output[key] = _this2.valueToJson(property, _this2._properties.get(key));
}
}); // Get Other Node
return this.otherNode().toJson().then(function (json) {
output[definition.nodeAlias()] = json;
return output;
});
}
/**
* Update the properties for this relationship
*
* @param {Object} properties New properties
* @return {Node}
*/
}, {
key: "update",
value: function update(properties) {
var _this3 = this;
// TODO: Temporary fix, add the properties to the properties map
// Sorry, but it's easier than hacking the validator
this._definition.properties().forEach(function (property) {
var name = property.name();
if (property.required() && !properties.hasOwnProperty(name)) {
properties[name] = _this3._properties.get(name);
}
});
return (0, _UpdateRelationship["default"])(this._neode, this._definition, this._identity, properties).then(function (properties) {
Object.entries(properties).forEach(function (_ref) {
var _ref2 = _slicedToArray(_ref, 2),
key = _ref2[0],
value = _ref2[1];
_this3._properties.set(key, value);
});
}).then(function () {
return _this3;
});
}
/**
* Delete this relationship from the Graph
*
* @return {Promise}
*/
}, {
key: "delete",
value: function _delete() {
var _this4 = this;
return (0, _DeleteRelationship["default"])(this._neode, this._identity).then(function () {
_this4._deleted = true;
return _this4;
});
}
}]);
return Relationship;
}(_Entity2["default"]);
exports["default"] = Relationship;