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https://github.com/The-Low-Code-Foundation/OpenNoodl.git
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Initial commit
Co-Authored-By: Eric Tuvesson <eric.tuvesson@gmail.com> Co-Authored-By: mikaeltellhed <2311083+mikaeltellhed@users.noreply.github.com> Co-Authored-By: kotte <14197736+mrtamagotchi@users.noreply.github.com> Co-Authored-By: Anders Larsson <64838990+anders-topp@users.noreply.github.com> Co-Authored-By: Johan <4934465+joolsus@users.noreply.github.com> Co-Authored-By: Tore Knudsen <18231882+torekndsn@users.noreply.github.com> Co-Authored-By: victoratndl <99176179+victoratndl@users.noreply.github.com>
This commit is contained in:
Michael Cartner
325
packages/noodl-runtime/src/nodes/std-library/runtasks.js
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325
packages/noodl-runtime/src/nodes/std-library/runtasks.js
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const { Node } = require('../../../noodl-runtime');
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const guid = require('../../guid');
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const Model = require('../../model');
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function sendSignalOnInput(itemNode, name) {
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itemNode.queueInput(name, true); // send signal
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itemNode.queueInput(name, false);
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}
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const RunTasksDefinition = {
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name: 'RunTasks',
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displayNodeName: 'Run Tasks',
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docs: 'https://docs.noodl.net/nodes/data/run-tasks',
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color: 'data',
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category: 'Data',
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initialize() {
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this._internal.queuedOperations = [];
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this._internal.state = 'idle';
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this._internal.maxRunningTasks = 10;
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this._internal.activeTasks = new Map(); //id => ComponentInstanceNode
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},
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inputs: {
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items: {
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group: 'Data',
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displayName: 'Items',
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type: 'array',
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set: function (value) {
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if (!value) return;
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if (value === this._internal.items) return;
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this._internal.items = value;
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}
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},
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stopOnFailure: {
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group: 'General',
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displayName: 'Stop On Failure',
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type: 'boolean',
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default: false,
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set: function (value) {
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this._internal.stopOnFailure = value;
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}
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},
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maxRunningTasks: {
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group: 'General',
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displayName: 'Max Running Tasks',
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type: 'number',
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default: 10,
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set: function (value) {
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this._internal.maxRunningTasks = value;
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}
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},
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taskTemplate: {
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type: 'component',
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displayName: 'Template',
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group: 'General',
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set: function (value) {
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this._internal.template = value;
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}
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},
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run: {
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group: 'General',
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displayName: 'Do',
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type: 'signal',
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valueChangedToTrue: function () {
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this.scheduleRun();
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}
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},
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abort: {
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group: 'General',
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displayName: 'Abort',
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type: 'signal',
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valueChangedToTrue: function () {
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this.scheduleAbort();
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}
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}
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},
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outputs: {
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success: {
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type: 'signal',
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group: 'Events',
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displayName: 'Success'
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},
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failure: {
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type: 'signal',
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group: 'Events',
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displayName: 'Failure'
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},
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done: {
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type: 'signal',
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group: 'Events',
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displayName: 'Done'
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},
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aborted: {
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type: 'signal',
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group: 'Events',
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displayName: 'Aborted'
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}
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},
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methods: {
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scheduleRun() {
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var internal = this._internal;
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if (!internal.hasScheduledRun) {
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internal.hasScheduledRun = true;
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this.scheduleAfterInputsHaveUpdated(() => {
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this._queueOperation(() => {
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internal.hasScheduledRun = false;
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this.run();
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});
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});
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}
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},
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scheduleAbort() {
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var internal = this._internal;
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if (!internal.hasScheduledAbort) {
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internal.hasScheduledAbort = true;
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this.scheduleAfterInputsHaveUpdated(() => {
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this._queueOperation(() => {
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internal.hasScheduledAbort = false;
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this.abort();
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});
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});
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}
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},
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async createTaskComponent(item) {
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const internal = this._internal;
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const modelScope = this.nodeScope.modelScope || Model;
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const model = modelScope.create(item);
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var itemNode = await this.nodeScope.createNode(internal.template, guid(), {
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_forEachModel: model,
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_forEachNode: this
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});
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// This is needed to make sure any action connected to "Do"
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// is not run directly
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const _isInputConnected = itemNode.isInputConnected.bind(itemNode);
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itemNode.isInputConnected = (name) => {
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if (name === 'Do') return true;
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return _isInputConnected(name);
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};
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// Set the Id as an input
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if (itemNode.hasInput('Id')) {
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itemNode.setInputValue('Id', model.getId());
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}
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if (itemNode.hasInput('id')) {
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itemNode.setInputValue('id', model.getId());
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}
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// Push all other values also as inputs
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// if they exist as component inputs
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for (var inputKey in itemNode._inputs) {
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if (model.data[inputKey] !== undefined) itemNode.setInputValue(inputKey, model.data[inputKey]);
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}
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// capture signals
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itemNode._internal.creatorCallbacks = {
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onOutputChanged: (name, value, oldValue) => {
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if ((oldValue === false || oldValue === undefined) && value === true) {
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this.itemOutputSignalTriggered(name, model, itemNode);
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}
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}
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};
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return itemNode;
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},
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async startTask(task) {
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const internal = this._internal;
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try {
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const taskComponent = await this.createTaskComponent(task);
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internal.runningTasks++;
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sendSignalOnInput(taskComponent, 'Do');
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internal.activeTasks.set(taskComponent.id, taskComponent);
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} catch (e) {
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// Something went wrong starting the task
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console.log(e);
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}
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},
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async run() {
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const internal = this._internal;
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if (this.context.editorConnection) {
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if (internal.state !== 'idle') {
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this.context.editorConnection.sendWarning(this.nodeScope.componentOwner.name, this.id, 'run-tasks', {
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message: 'Cannot start when not in idle mode'
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});
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} else if (!internal.template) {
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this.context.editorConnection.sendWarning(this.nodeScope.componentOwner.name, this.id, 'run-tasks', {
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message: 'No task template specified.'
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});
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} else if (!internal.items) {
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this.context.editorConnection.sendWarning(this.nodeScope.componentOwner.name, this.id, 'run-tasks', {
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message: 'No items array provided.'
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});
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} else {
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this.context.editorConnection.clearWarning(this.nodeScope.componentOwner.name, this.id, 'run-tasks');
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}
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}
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if (internal.state !== 'idle') {
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return;
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}
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if (!internal.template) {
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return;
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}
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if (!internal.items) {
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return;
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}
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internal.state = 'running';
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internal.numTasks = internal.items.length;
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internal.failedTasks = 0;
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internal.completedTasks = 0;
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internal.queuedTasks = [].concat(internal.items);
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internal.runningTasks = 0;
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// No tasks
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if (internal.items.length === 0) {
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this.sendSignalOnOutput('success');
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internal.state = 'idle';
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}
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// Start tasks
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for (let i = 0; i < Math.min(internal.maxRunningTasks, internal.queuedTasks.length); i++) {
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const task = internal.queuedTasks.shift();
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if (!task) break;
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this.startTask(task);
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}
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},
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abort: function () {
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const internal = this._internal;
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internal.state = 'aborted';
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},
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itemOutputSignalTriggered: function (name, model, itemNode) {
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const internal = this._internal;
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if (internal.state === 'idle') {
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// Signal while we are not running is ignored
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return;
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}
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const checkDone = () => {
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if (internal.state === 'aborted') {
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this.sendSignalOnOutput('aborted');
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internal.state = 'idle';
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return;
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}
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if (internal.completedTasks === internal.numTasks) {
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if (internal.failedTasks === 0) this.sendSignalOnOutput('success');
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else this.sendSignalOnOutput('failure');
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this.sendSignalOnOutput('done');
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internal.state = 'idle';
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} else {
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if (internal.stopOnFailure) {
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// Only continue if there are no failed tasks, otherwise aborted
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if (internal.failedTasks === 0) {
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internal.runningTasks++;
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const task = internal.queuedTasks.shift();
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if (task) this.startTask(task);
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} else {
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this.sendSignalOnOutput('failure');
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this.sendSignalOnOutput('aborted');
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}
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} else {
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internal.runningTasks++;
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const task = internal.queuedTasks.shift();
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if (task) this.startTask(task);
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}
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}
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};
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if (name === 'Success') {
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internal.completedTasks++;
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internal.runningTasks--;
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checkDone();
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} else if (name === 'Failure') {
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internal.completedTasks++;
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internal.failedTasks++;
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internal.runningTasks--;
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checkDone();
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}
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internal.activeTasks.delete(itemNode.id);
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this.nodeScope.deleteNode(itemNode);
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},
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_queueOperation(op) {
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this._internal.queuedOperations.push(op);
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this._runQueueOperations();
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},
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async _runQueueOperations() {
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if (this.runningOperations) {
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return;
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}
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this.runningOperations = true;
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while (this._internal.queuedOperations.length) {
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const op = this._internal.queuedOperations.shift();
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await op();
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}
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this.runningOperations = false;
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}
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},
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_deleteAllTasks() {
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for (const taskComponent of this._internal.activeTasks) {
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this.nodeScope.deleteNode(taskComponent);
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}
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this._internal.activeTasks.clear();
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},
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_onNodeDeleted: function () {
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Node.prototype._onNodeDeleted.call(this);
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this._deleteAllTasks();
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}
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};
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module.exports = {
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node: RunTasksDefinition
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};
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