@chix/flow
Version:
264 lines • 13 kB
JavaScript
"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 (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
var _debug = require("debug");
var util = require("util");
var common_1 = require("../common");
var context_1 = require("../context");
var events_1 = require("../events");
var handler_1 = require("../io/handler");
var util_1 = require("../util");
var validate_1 = require("../validate");
var port_1 = require("./port");
var ports_1 = require("./ports");
var process_1 = require("./process");
var shutdown_1 = require("./shutdown");
var debug = _debug('chix:actor');
function $Node(Base) {
return (function (_super) {
__extends(Node$, _super);
function Node$() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.nodes = new Map();
_this.ioHandler = new handler_1.IoHandler();
_this.contextProvider = new context_1.DefaultContextProvider();
return _this;
}
Node$.prototype.createNode = function (node, nodeDefinition) {
return __awaiter(this, void 0, void 0, function () {
var identifier, _node, flow, cls, nodeTypes;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!nodeDefinition) {
throw new Error(util.format('Failed to get node definition for %s:%s', node.ns, node.name));
}
if (!node.id) {
throw Error('Node should have an id');
}
if (this.hasNode(node.id)) {
console.log('Warning: Node already added, skipping... FIXME');
this.event(events_1.FlowEvents.ADD_NODE, { node: this.getNode(node.id) });
return [2, this.getNode(node.id)];
}
if (!nodeDefinition.ports) {
nodeDefinition.ports = {};
}
if (node.title) {
nodeDefinition.title = node.title;
}
if (node.description) {
nodeDefinition.description = node.description;
}
identifier = node.title || [node.ns, '::', node.name, '-', this.nodes.size].join('');
if (!(nodeDefinition.type === 'flow')) return [3, 2];
flow = node;
if (!flow.id) {
throw Error('Flow id missing');
}
return [4, this.create(flow.id, node, nodeDefinition)];
case 1:
_node = _a.sent();
_node.identifier = identifier;
this.nodes.set(flow.id, _node);
debug('%s: created %s', this.identifier, _node.identifier);
return [3, 7];
case 2:
cls = nodeDefinition.type || 'xNode';
nodeTypes = this.constructor.nodeTypes;
if (!nodeTypes.hasOwnProperty(cls)) return [3, 6];
validate_1.validate.nodeDefinition(nodeDefinition);
if (!nodeDefinition.dependencies) return [3, 4];
return [4, this.dependencyLoader.load(nodeDefinition.dependencies)];
case 3:
_a.sent();
_a.label = 4;
case 4:
_node = new nodeTypes[cls](node.id, nodeDefinition);
_node.identifier = identifier;
_node.setDependencyLoader(this.dependencyLoader);
return [4, _node.initAsync()];
case 5:
_a.sent();
this.nodes.set(node.id, _node);
debug('%s: created %s', this.identifier, _node.identifier);
this.processManager.register(_node);
if (_node.hasShutdown()) {
_node.on('execute', function () {
console.log('will execute');
});
}
return [3, 7];
case 6: throw Error(util.format('Unknown node type: `%s`', cls));
case 7:
_node.setParent(this);
if (node.provider) {
_node.provider = node.provider;
}
if (node.context) {
this.contextProvider.addContext(_node, node.context, nodeDefinition.ports.input);
}
this.event(events_1.FlowEvents.ADD_NODE, { node: _node });
return [2, _node];
}
});
});
};
Node$.prototype.create = function (_id, _flow, flowDefinition) {
return __awaiter(this, void 0, void 0, function () {
var node;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
console.error('Fix me: Not merging external ports');
validate_1.validate.flow(flowDefinition);
return [4, this.Self.create(_id, flowDefinition, this.loader, this.ioHandler, this.processManager, this.dependencyLoader)];
case 1:
node = _a.sent();
return [4, node.initAsync()];
case 2:
_a.sent();
return [2, node];
}
});
});
};
Node$.prototype.addNode = function (node, nodeDefinition) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, this.createNode(node, nodeDefinition)];
case 1:
_a.sent();
return [2, this];
}
});
});
};
Node$.prototype.renameNode = function (_nodeId) {
throw Error('renameNode not implemented');
};
Node$.prototype.removeNode = function (nodeId) {
return __awaiter(this, void 0, void 0, function () {
var oldNode;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, this.processManager.unregister(this.getNode(nodeId))];
case 1:
_a.sent();
oldNode = this.getNode(nodeId).export();
this.nodes.delete(nodeId);
this.event(events_1.FlowEvents.REMOVE_NODE, {
node: oldNode,
});
return [2];
}
});
});
};
Node$.prototype.removeNodes = function () {
this.clear();
};
Node$.prototype.getNodes = function () {
return Array.from(this.nodes.values());
};
Node$.prototype.hasNode = function (id) {
return this.nodes.has(id);
};
Node$.prototype.getNode = function (id) {
var e_1, _a;
if (this.nodes.has(id)) {
return this.nodes.get(id);
}
else {
try {
for (var _b = __values(this.nodes.values()), _c = _b.next(); !_c.done; _c = _b.next()) {
var node = _c.value;
if (node.id === id || node.identifier === id) {
return node;
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
}
if (id === this.id) {
return this;
}
throw new Error(util.format('Node %s does not exist', id));
};
return Node$;
}(Base));
}
exports.$Node = $Node;
(function ($Node) {
function create(Base) {
return util_1.mixin($Node, common_1.$Event.create, common_1.$Identity.create, port_1.$Port.create, ports_1.$Ports.create, process_1.$Process.create, shutdown_1.$Shutdown.create)(Base);
}
$Node.create = create;
})($Node = exports.$Node || (exports.$Node = {}));
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