bolt-protocol-v5x1.js•7.39 kB
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
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return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [https://neo4j.com]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var bolt_protocol_v5x0_1 = __importDefault(require("./bolt-protocol-v5x0"));
var bolt_protocol_util_1 = require("./bolt-protocol-util");
var bolt_protocol_v5x1_transformer_1 = __importDefault(require("./bolt-protocol-v5x1.transformer"));
var transformer_1 = __importDefault(require("./transformer"));
var request_message_1 = __importDefault(require("./request-message"));
var stream_observers_1 = require("./stream-observers");
var neo4j_driver_core_1 = require("neo4j-driver-core");
var BOLT_PROTOCOL_V5_1 = neo4j_driver_core_1.internal.constants.BOLT_PROTOCOL_V5_1;
var BoltProtocol = /** @class */ (function (_super) {
__extends(BoltProtocol, _super);
function BoltProtocol() {
return _super !== null && _super.apply(this, arguments) || this;
}
Object.defineProperty(BoltProtocol.prototype, "version", {
get: function () {
return BOLT_PROTOCOL_V5_1;
},
enumerable: false,
configurable: true
});
Object.defineProperty(BoltProtocol.prototype, "transformer", {
get: function () {
var _this = this;
if (this._transformer === undefined) {
this._transformer = new transformer_1.default(Object.values(bolt_protocol_v5x1_transformer_1.default).map(function (create) { return create(_this._config, _this._log); }));
}
return this._transformer;
},
enumerable: false,
configurable: true
});
Object.defineProperty(BoltProtocol.prototype, "supportsReAuth", {
get: function () {
return true;
},
enumerable: false,
configurable: true
});
/**
* Initialize a connection with the server
*
* @param {Object} args The params
* @param {string} args.userAgent The user agent
* @param {any} args.authToken The auth token
* @param {NotificationFilter} args.notificationFilter The notification filters.
* @param {function(error)} args.onError On error callback
* @param {function(onComplete)} args.onComplete On complete callback
* @returns {LoginObserver} The Login observer
*/
BoltProtocol.prototype.initialize = function (_a) {
var _this = this;
var _b = _a === void 0 ? {} : _a, userAgent = _b.userAgent, boltAgent = _b.boltAgent, authToken = _b.authToken, notificationFilter = _b.notificationFilter, onError = _b.onError, onComplete = _b.onComplete;
var state = {};
var observer = new stream_observers_1.LoginObserver({
onError: function (error) { return _this._onLoginError(error, onError); },
onCompleted: function (metadata) {
state.metadata = metadata;
return _this._onLoginCompleted(metadata);
}
});
// passing notification filter on this protocol version throws an error
(0, bolt_protocol_util_1.assertNotificationFilterIsEmpty)(notificationFilter, this._onProtocolError, observer);
this.write(request_message_1.default.hello5x1(userAgent, this._serversideRouting), observer, false);
return this.logon({
authToken: authToken,
onComplete: function (metadata) { return onComplete(__assign(__assign({}, metadata), state.metadata)); },
onError: onError,
flush: true
});
};
/**
* Performs login of the underlying connection
*
* @param {Object} args
* @param {Object} args.authToken the authentication token.
* @param {function(err: Error)} args.onError the callback to invoke on error.
* @param {function()} args.onComplete the callback to invoke on completion.
* @param {boolean} args.flush whether to flush the buffered messages.
*
* @returns {StreamObserver} the stream observer that monitors the corresponding server response.
*/
BoltProtocol.prototype.logon = function (_a) {
var _this = this;
var _b = _a === void 0 ? {} : _a, authToken = _b.authToken, onComplete = _b.onComplete, onError = _b.onError, flush = _b.flush;
var observer = new stream_observers_1.LoginObserver({
onCompleted: function () { return _this._onLoginCompleted(null, authToken, onComplete); },
onError: function (error) { return _this._onLoginError(error, onError); }
});
this.write(request_message_1.default.logon(authToken), observer, flush);
return observer;
};
/**
* Performs logoff of the underlying connection
*
* @param {Object} param
* @param {function(err: Error)} param.onError the callback to invoke on error.
* @param {function()} param.onComplete the callback to invoke on completion.
* @param {boolean} param.flush whether to flush the buffered messages.
*
* @returns {StreamObserver} the stream observer that monitors the corresponding server response.
*/
BoltProtocol.prototype.logoff = function (_a) {
var _b = _a === void 0 ? {} : _a, onComplete = _b.onComplete, onError = _b.onError, flush = _b.flush;
var observer = new stream_observers_1.LogoffObserver({
onCompleted: onComplete,
onError: onError
});
this.write(request_message_1.default.logoff(), observer, flush);
return observer;
};
return BoltProtocol;
}(bolt_protocol_v5x0_1.default));
exports.default = BoltProtocol;