@5minds/processcube_engine
Version:
The ProcessCube Engine. Stores and executes BPMNs.
260 lines • 15 kB
JavaScript
"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.IntermediateTimerCatchEventHandler = void 0;
const async_lock_1 = __importDefault(require("async-lock"));
const dayjs_1 = __importDefault(require("dayjs"));
const inversify_1 = require("inversify");
const processcube_engine_sdk_1 = require("@5minds/processcube_engine_sdk");
const index_1 = require("../../../Contracts/index");
const Tools_1 = require("../../../Tools");
const AbortablePromise_1 = require("../../../Tools/AbortablePromise");
const index_2 = require("../../../Tools/DatabaseAdaptersSequelize/index");
const EventMiddlewareHandler_1 = require("../../../Tools/EventMiddlewareHandler");
const TimerFacade_1 = require("../../Facades/TimerFacade");
const ProcessInstance_1 = require("../../ProcessInstance");
const FlowNodeHandlerFactory_1 = require("../FlowNodeHandlerFactory");
const EventHandler_1 = require("./EventHandler");
const lock = new async_lock_1.default({ maxPending: 100000 });
let IntermediateTimerCatchEventHandler = class IntermediateTimerCatchEventHandler extends EventHandler_1.EventHandler {
evaluatedTimerExpression;
timerFacade;
timerSubscription;
constructor(eventMiddlewareHandler, flowNodeHandlerFactory, flowNodeInstanceDatabaseAdapter, timerFacade, timerCatchEventModel, processInstance) {
super(eventMiddlewareHandler, flowNodeHandlerFactory, flowNodeInstanceDatabaseAdapter, timerCatchEventModel, processInstance, 'timer_catch_event_handler');
this.timerFacade = timerFacade;
}
get timerCatchEvent() {
return this.flowNode;
}
async persistOnSuspend() {
this.abortSignal.signal.throwIfAborted();
let eventName = this.evaluatedTimerExpression;
if (typeof this.evaluatedTimerExpression?.toISOString === 'function') {
eventName = this.evaluatedTimerExpression.toISOString();
}
else if (typeof this.evaluatedTimerExpression != 'string') {
eventName = JSON.stringify(this.evaluatedTimerExpression);
}
await super.persistOnSuspend(undefined, {
type: index_1.FlowNodeInstanceDataTypes.catchEvent,
eventName: eventName,
});
this.publishIntermediateCatchEventReachedNotification();
}
async persistOnExit() {
await super.persistOnExit();
this.publishIntermediateCatchEventFinishedNotification();
}
async persistOnError(error) {
await super.persistOnError(error);
this.publishIntermediateCatchEventFinishedNotification();
}
async persistOnTerminate() {
await super.persistOnTerminate();
this.publishIntermediateCatchEventFinishedNotification();
}
async startExecution(executionCanceledCallback) {
this.abortSignal.signal.throwIfAborted();
this.logger.debug(`Executing TimerCatchEvent instance.`);
return this.executeHandler(executionCanceledCallback);
}
async executeHandler(executionCanceledCallback) {
this.abortSignal.signal.throwIfAborted();
return new AbortablePromise_1.AbortablePromise(async (resolve, reject, onCancel) => {
if (executionCanceledCallback) {
onCancel(() => {
if (this.state === processcube_engine_sdk_1.FlowNodeInstanceState.suspended || this.state === processcube_engine_sdk_1.FlowNodeInstanceState.running || this.state === processcube_engine_sdk_1.FlowNodeInstanceState.canceled) {
executionCanceledCallback();
}
});
}
try {
this.onInterruptedCallback = () => {
this.timerFacade.cancelTimerSubscription(this.timerSubscription);
this.abortSignal.abort();
};
this.validateTimer();
await this.suspendAndExecuteTimer();
const canceledByEventBasedGateway = await this.passTriggerThroughEventBasedGatwwayIfNecessary();
if (canceledByEventBasedGateway) {
this.cancel(this.processToken);
return;
}
const nextFlowNodeInfo = this.processInstance.getProcessModelFacade().getNextFlowNodesFor(this.timerCatchEvent);
return resolve(nextFlowNodeInfo);
}
catch (error) {
return reject(error);
}
}, { signal: this.abortSignal.signal });
}
async resumeAfterSuspend(flowNodeInstance, resumptionCanceledCallback) {
this.abortSignal.signal.throwIfAborted();
return new AbortablePromise_1.AbortablePromise(async (resolve, reject, onCancel) => {
if (resumptionCanceledCallback) {
onCancel(() => {
if (this.state === processcube_engine_sdk_1.FlowNodeInstanceState.suspended || this.state === processcube_engine_sdk_1.FlowNodeInstanceState.running || this.state === processcube_engine_sdk_1.FlowNodeInstanceState.canceled) {
resumptionCanceledCallback();
}
});
}
try {
this.onInterruptedCallback = () => {
this.timerFacade.cancelTimerSubscription(this.timerSubscription);
this.abortSignal.abort();
};
this.evaluatedTimerExpression = flowNodeInstance.eventName || (await this.parseTimerValue());
this.publishIntermediateCatchEventReachedNotification();
await this.executeTimer(flowNodeInstance.startedAt);
const canceledByEventBasedGateway = await this.passTriggerThroughEventBasedGatwwayIfNecessary();
if (canceledByEventBasedGateway) {
this.cancel(this.processToken);
return;
}
const nextFlowNodeInfo = this.processInstance.getProcessModelFacade().getNextFlowNodesFor(this.timerCatchEvent);
return resolve(nextFlowNodeInfo);
}
catch (error) {
return reject(error);
}
}, { signal: this.abortSignal.signal });
}
async suspendAndExecuteTimer() {
this.abortSignal.signal.throwIfAborted();
this.evaluatedTimerExpression = await this.parseTimerValue();
const waitForTimerPromise = this.executeTimer();
await this.persistOnSuspend();
return waitForTimerPromise;
}
async executeTimer(timerStartedDate) {
this.abortSignal.signal.throwIfAborted();
return new Promise(async (resolve, reject) => {
try {
const timerElapsed = async () => {
this.logger.debug(`Timer on Timer Catch Event Instance ${this.flowNodeInstanceId} expired`, {
timerType: this.timerCatchEvent.timerEventDefinition.timerType === processcube_engine_sdk_1.Model.Events.TimerType.timeDate ? 'Date' : 'Duration',
timerExpression: this.evaluatedTimerExpression,
});
this.timerFacade.cancelTimerSubscription(this.timerSubscription);
await this.postEventToEventMiddlewares({
correlationId: this.processInstance.getCorrelationId(),
processModelId: this.processInstance.getProcessModelId(),
embeddedProcessModelId: this.processInstance.getEmbeddedProcessModelId(),
processModelName: this.processInstance.getProcessModelName(),
processInstanceId: this.processInstance.getProcessInstanceId(),
parentProcessInstanceId: this.processInstance.getParentProcessInstance()?.getProcessInstanceId(),
processDefinitionId: this.processInstance.getProcessDefinitionId(),
processDefinitionHash: this.processInstance.getProcessDefinitionHash(),
flowNodeId: this.flowNode.id,
flowNodeName: this.flowNode.name,
flowNodeType: this.flowNode.bpmnType,
flowNodeLane: this.processInstance.getProcessModelFacade().getLaneForFlowNode(this.flowNode.id)?.name,
flowNodeInstanceId: this.flowNodeInstanceId,
logLevel: processcube_engine_sdk_1.LogLevel.debug,
eventType: processcube_engine_sdk_1.EngineEventType.OnFlowNodeTimerRemoved,
tokenPayload: this.processToken,
timestamp: dayjs_1.default.utc().toDate(),
});
resolve();
};
this.timerSubscription = this.timerFacade.initializeTimer(this.timerCatchEvent.id, this.timerCatchEvent.timerEventDefinition.timerType, this.evaluatedTimerExpression, timerElapsed, this.timerCatchEvent, timerStartedDate);
const triggerTimerImmediatelyEvent = index_1.eventAggregatorSettings.messagePaths.triggerTimerEvent.replace(index_1.eventAggregatorSettings.messageParams.flowNodeInstanceId, this.flowNodeInstanceId);
Tools_1.EventAggregator.subscribeOnce(triggerTimerImmediatelyEvent, () => {
this.timerFacade.triggerTimerImmediately(this.timerSubscription, this.timerCatchEvent.timerEventDefinition.timerType);
});
await this.postEventToEventMiddlewares({
correlationId: this.processInstance.getCorrelationId(),
processModelId: this.processInstance.getProcessModelId(),
embeddedProcessModelId: this.processInstance.getEmbeddedProcessModelId(),
processModelName: this.processInstance.getProcessModelName(),
processInstanceId: this.processInstance.getProcessInstanceId(),
parentProcessInstanceId: this.processInstance.getParentProcessInstance()?.getProcessInstanceId(),
processDefinitionId: this.processInstance.getProcessDefinitionId(),
processDefinitionHash: this.processInstance.getProcessDefinitionHash(),
flowNodeId: this.flowNode.id,
flowNodeName: this.flowNode.name,
flowNodeType: this.flowNode.bpmnType,
flowNodeLane: this.processInstance.getProcessModelFacade().getLaneForFlowNode(this.flowNode.id)?.name,
flowNodeInstanceId: this.flowNodeInstanceId,
logLevel: processcube_engine_sdk_1.LogLevel.debug,
eventType: processcube_engine_sdk_1.EngineEventType.OnFlowNodeTimerStarted,
tokenPayload: this.processToken,
timestamp: dayjs_1.default.utc().toDate(),
});
}
catch (error) {
reject(error);
}
});
}
validateTimer() {
if (!this.timerCatchEvent.timerEventDefinition.timerType || !this.timerCatchEvent.timerEventDefinition.value) {
const errorToThrow = new processcube_engine_sdk_1.BadRequestError('Intermediate Timer Catch Event does not have a type or definition assigned.', 'process');
errorToThrow.additionalInformation = {
flowNodeInstanceId: this.flowNodeInstanceId,
flowNodeId: this.timerCatchEvent.id,
flowNodeName: this.timerCatchEvent.name,
processInstanceId: this.processInstance.getProcessInstanceId(),
processModelId: this.processInstance.getProcessModelId(),
embeddedProcessModelId: this.processInstance.getEmbeddedProcessModelId(),
correlationId: this.processInstance.getCorrelationId(),
};
throw errorToThrow;
}
}
async parseTimerValue() {
this.abortSignal.signal.throwIfAborted();
const timerValueExpression = this.timerCatchEvent.timerEventDefinition.value;
const doesNotUseRuntimeExpressions = !timerValueExpression ||
!this.processInstance
.getProcessTokenService()
.getAvailableParametersForExpressions()
.some((param) => timerValueExpression.includes(param));
if (doesNotUseRuntimeExpressions) {
return timerValueExpression;
}
try {
return this.processInstance.executeRuntimeExpression({
expression: timerValueExpression,
currentFlowNode: this.timerCatchEvent,
currentToken: this.processToken,
previousFlowNode: this.processInstance.getProcessModelFacade().getPreviousFlowNodesFor(this.timerCatchEvent)?.pop(),
allowNonObjectResults: true,
});
}
catch (err) {
err.additionalInformation = {
flowNodeInstanceId: this.flowNodeInstanceId,
flowNodeType: this.flowNode.bpmnType,
flowNodeId: this.flowNode.id,
processModelId: this.processInstance.getProcessModelId(),
embeddedProcessModelId: this.processInstance.getEmbeddedProcessModelId(),
processInstanceId: this.processInstance.getProcessInstanceId(),
correlationId: this.processInstance.getCorrelationId(),
};
this.logger.error(err);
throw err;
}
}
};
exports.IntermediateTimerCatchEventHandler = IntermediateTimerCatchEventHandler;
exports.IntermediateTimerCatchEventHandler = IntermediateTimerCatchEventHandler = __decorate([
(0, inversify_1.injectable)(),
__metadata("design:paramtypes", [EventMiddlewareHandler_1.EventMiddlewareHandler,
FlowNodeHandlerFactory_1.FlowNodeHandlerFactory,
index_2.FlowNodeInstanceDatabaseAdapter,
TimerFacade_1.TimerFacade, Object, ProcessInstance_1.ProcessInstance])
], IntermediateTimerCatchEventHandler);
//# sourceMappingURL=IntermediateTimerCatchEventHandler.js.map