workflow-editor.ko.js 32 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. ko.bindingHandlers.droppable = {
  17. init: function (element, valueAccessor) {
  18. var _dropElement = $(element);
  19. var _options = valueAccessor();
  20. if (_options.enabled) {
  21. var _dropOptions = {
  22. hoverClass: 'drop-target-highlight',
  23. drop: _options.onDrop
  24. };
  25. _dropElement.droppable(_dropOptions);
  26. }
  27. }
  28. };
  29. function magicLayout(vm) {
  30. loadLayout(vm, vm.initial.layout);
  31. $(document).trigger("magicLayout");
  32. }
  33. function loadColumns(viewModel, json_layout) {
  34. var _columns = [];
  35. $(json_layout).each(function (cnt, json_col) {
  36. var _rows = [];
  37. $(json_col.rows).each(function (rcnt, json_row) {
  38. var row = new Row([], viewModel);
  39. $(json_row.widgets).each(function (wcnt, widget) {
  40. var _w = new Widget({
  41. size: widget.size,
  42. id: widget.id,
  43. name: widget.name,
  44. widgetType: widget.widgetType,
  45. properties: widget.properties,
  46. offset: widget.offset,
  47. loading: true,
  48. vm: viewModel
  49. });
  50. row.addWidget(_w);
  51. });
  52. row.columns(loadColumns(viewModel, json_row.columns));
  53. _rows.push(row);
  54. });
  55. var column = new Column(json_col.size, _rows);
  56. _columns = _columns.concat(column);
  57. });
  58. return _columns;
  59. }
  60. function loadLayout(viewModel, json_layout) {
  61. viewModel.columns(loadColumns(viewModel, json_layout));
  62. }
  63. // End dashboard lib
  64. var Node = function (node) {
  65. var self = this;
  66. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  67. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  68. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  69. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  70. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  71. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  72. self.get_link = function (name) {
  73. var _link = null;
  74. $.each(self.children(), function (index, link) {
  75. if (name in link) {
  76. _link = link;
  77. return false;
  78. }
  79. });
  80. return _link;
  81. }
  82. self.set_link = function (name, node_id) {
  83. var _link = self.get_link(name);
  84. if (_link == null) {
  85. _link = {}
  86. self.children.push(_link);
  87. }
  88. _link[name] = node_id;
  89. self.children.valueHasMutated();
  90. }
  91. self.remove_link = function (name, child) {
  92. var _link = null;
  93. $.each(self.children(), function (index, link) {
  94. var _l = ko.mapping.toJS(link);
  95. if (name in _l && _l[name] == child) {
  96. _link = link;
  97. return false;
  98. }
  99. });
  100. if (_link != null) {
  101. self.children.remove(_link);
  102. }
  103. }
  104. }
  105. var Workflow = function (vm, workflow) {
  106. var self = this;
  107. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  108. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  109. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  110. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  111. self.nodes = ko.observableArray([]);
  112. self.movedNode = null;
  113. self.nodeIds = ko.computed(function () {
  114. var mapping = [];
  115. $.each(self.nodes(), function (index, node) {
  116. mapping.push(node.id());
  117. });
  118. return mapping;
  119. });
  120. self.nodeNamesMapping = ko.computed(function () {
  121. var mapping = {};
  122. $.each(self.nodes(), function (index, node) {
  123. mapping[node.id()] = node.name();
  124. });
  125. return mapping;
  126. });
  127. self.linkMapping = ko.computed(function () {
  128. var mapping = {};
  129. $.each(self.nodes(), function (index, node) {
  130. var links = []
  131. $.each(node.children(), function (index, link) {
  132. if ('to' in link) {
  133. links.push(link['to']);
  134. }
  135. });
  136. mapping[node.id()] = links
  137. });
  138. return mapping;
  139. });
  140. self.linkMapping.subscribe(function (newVal) {
  141. $(document).trigger("drawArrows");
  142. });
  143. self.loadNodes = function (workflow) {
  144. var nodes = []
  145. $.each(workflow.nodes, function (index, node) {
  146. var _node = new Node(node);
  147. nodes.push(_node);
  148. });
  149. self.nodes(nodes)
  150. }
  151. self.newNode = function (widget, callback) {
  152. $.ajax({
  153. type: "POST",
  154. url: "/oozie/editor/workflow/new_node/",
  155. data: {
  156. "workflow": ko.mapping.toJSON(workflow),
  157. "node": ko.mapping.toJSON(widget)
  158. },
  159. success: function (data) {
  160. if (data.status == 0) {
  161. viewModel.addActionProperties(data.properties);
  162. viewModel.addActionWorkflows(data.workflows);
  163. if (callback) {
  164. callback(widget);
  165. }
  166. }
  167. },
  168. async: false
  169. });
  170. };
  171. self.addNode = function (widget) {
  172. // Todo get parent cell, link nodes... when we have the new layout
  173. $.post("/oozie/editor/workflow/add_node/", {
  174. "workflow": ko.mapping.toJSON(workflow),
  175. "node": ko.mapping.toJSON(widget),
  176. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  177. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}'
  178. }, function (data) {
  179. if (data.status == 0) {
  180. var _node = ko.mapping.toJS(widget);
  181. _node.properties = data.properties;
  182. _node.name = data.name;
  183. if (self.movedNode) {
  184. var node = self.movedNode;
  185. } else {
  186. var node = new Node(_node);
  187. }
  188. self.nodes.push(node);
  189. if (vm.currentlyCreatingFork) {
  190. // Added to the side ?
  191. var parentWidget = vm.getWidgetPredecessor(node.id());
  192. var parent = self.getNodeById(parentWidget.id());
  193. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  194. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  195. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  196. var fork = new Node(vm.currentlyCreatedFork);
  197. var join = new Node(vm.currentlyCreatedJoin);
  198. self.nodes.push(fork);
  199. self.nodes.push(join);
  200. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  201. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  202. var afterParent = self.getNodeById(afterParentId);
  203. fork.children.push({'to': afterParentId, 'condition': ''});
  204. fork.children.push({'to': node.id(), 'condition': ''});
  205. forkParent.get_link('to')['to'] = fork.id();
  206. var belowJoin = vm.getWidgetSuccessor(join.id());
  207. join.set_link('to', belowJoin.id());
  208. if (afterParent.type() == 'fork-widget') {
  209. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  210. } else {
  211. afterParent.set_link('to', join.id());
  212. }
  213. node.set_link('to', join.id());
  214. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  215. } else {
  216. // Just add to existing fork
  217. var join = vm.getWidgetSuccessor(node.id());
  218. node.set_link('to', join.id());
  219. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  220. parent.children.push({'to': node.id(), 'condition': ''});
  221. }
  222. } else {
  223. var parentWidget = vm.getWidgetPredecessor(node.id());
  224. var parent = self.getNodeById(parentWidget.id());
  225. if (widget.widgetType() == 'kill-widget') {
  226. parent.set_link('to', node.id());
  227. } else if (parentWidget.widgetType() == 'fork-widget') {
  228. var child = vm.getWidgetSuccessor(node.id());
  229. parent.remove_link('to', child.id());
  230. parent.children.push({'to': node.id(), 'condition': ''});
  231. node.set_link('to', child.id());
  232. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  233. } else {
  234. // Parent is regular node
  235. node.set_link('to', parent.get_link('to')['to']);
  236. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  237. parent.set_link('to', node.id());
  238. }
  239. }
  240. vm.currentlyCreatingFork = false;
  241. } else {
  242. $(document).trigger("error", data.message);
  243. }
  244. }).fail(function (xhr, textStatus, errorThrown) {
  245. $(document).trigger("error", xhr.responseText);
  246. });
  247. };
  248. self.removeNode = function (node_id) {
  249. var node = self.getNodeById(node_id);
  250. var parents = self.getParents(node_id);
  251. var parent = null;
  252. var childLink = null;
  253. if (node) {
  254. childLink = node.get_link('to');
  255. }
  256. if (childLink) {
  257. var childId = ko.mapping.toJS(childLink)['to'];
  258. $.each(parents, function (index, _parent) {
  259. _parent.remove_link('to', node_id);
  260. _parent.children.unshift({'to': childId});
  261. parent = _parent;
  262. });
  263. self.nodes.remove(node);
  264. // If need to remove fork
  265. if (parent.type() == 'fork-widget') {
  266. var fork = parent;
  267. var join = self.getNodeById(childId);
  268. if (join.type() == 'join-widget') {
  269. if (fork.children().length == 2) {
  270. // Link top to above and delete fork
  271. fork.remove_link('to', childId);
  272. var forkParent = self.getParents(fork.id())[0];
  273. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  274. self.nodes.remove(fork);
  275. // Link bottom to child of join
  276. var beboreJoin = self.getParents(childId)[0];
  277. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  278. beboreJoin.set_link('to', joinChildId);
  279. self.nodes.remove(join);
  280. } else {
  281. parent.remove_link('to', childId);
  282. }
  283. }
  284. } else if (parent.type() == 'decision-widget') {
  285. parent.remove_link('to', childId);
  286. }
  287. }
  288. else {
  289. self.nodes.remove(node);
  290. }
  291. };
  292. self.moveNode = function (widget) {
  293. var node = self.getNodeById(widget.id());
  294. self.movedNode = node;
  295. self.removeNode(node.id());
  296. self.addNode(widget);
  297. self.movedNode = null;
  298. };
  299. self.getParents = function (node_id) { // Join nodes can have multiple parents
  300. var _nodes = [];
  301. $.each(self.nodes(), function (index, node) {
  302. $.each(node.children(), function (index, link) {
  303. var _link = ko.mapping.toJS(link);
  304. if ('to' in _link && _link.to == node_id) {
  305. _nodes.push(node);
  306. }
  307. })
  308. });
  309. return _nodes;
  310. };
  311. self.getNodeById = function (node_id) {
  312. var _node = null;
  313. $.each(self.nodes(), function (index, node) {
  314. if (node.id() == node_id) {
  315. _node = node;
  316. return false;
  317. }
  318. });
  319. return _node;
  320. };
  321. }
  322. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json) {
  323. var self = this;
  324. self.isNested = ko.observable(true);
  325. self.isEditing = ko.observable(true);
  326. self.isEditing.subscribe(function (newVal) {
  327. $(document).trigger("editingToggled");
  328. });
  329. self.toggleEditing = function () {
  330. self.isEditing(!self.isEditing());
  331. };
  332. self.hasArrows = ko.observable(true);
  333. self.hasArrows.subscribe(function (newVal) {
  334. if (newVal){
  335. $(document).trigger("drawArrows");
  336. }
  337. else {
  338. $(document).trigger("removeArrows");
  339. }
  340. });
  341. self.toggleArrows = function () {
  342. self.hasArrows(!self.hasArrows());
  343. };
  344. self.newAction = ko.observable();
  345. self.columns = ko.observable([]);
  346. self.previewColumns = ko.observable("");
  347. self.workflow = new Workflow(self, workflow_json);
  348. self.credentials = ko.mapping.fromJSON(credentials_json);
  349. self.inited = ko.observable(self.columns().length > 0);
  350. self.init = function (callback) {
  351. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  352. loadLayout(self, layout_json);
  353. self.workflow.loadNodes(workflow_json);
  354. }
  355. self.depen = ko.observableArray(workflow_json.dependencies);
  356. self.addActionProperties = ko.observableArray([]);
  357. self.addActionWorkflows = ko.observableArray([]);
  358. self.selectedSubWorkflow = ko.observable();
  359. self.currentlyDraggedWidget = ko.observable(null);
  360. self.currentlyDraggedOp = ko.observable("move");
  361. self.currentlyDraggedWidget.subscribe(function (widget) {
  362. toggleSideDrop(widget, false);
  363. });
  364. self.setCurrentlyDraggedWidget = function (widget, op) {
  365. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  366. self.currentlyDraggedWidget(widget);
  367. }
  368. self.enableSideDrop = function (widget) {
  369. toggleSideDrop(widget, true);
  370. }
  371. function toggleSideDrop(widget, enable) {
  372. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  373. var _row = self.getWidgetParentRow(widget.id());
  374. if (_row) {
  375. _row.enableOozieDropOnSide(enable);
  376. _row.enableOozieDropOnBefore(enable);
  377. var _parentRow = self.getRowParentRow(_row.id());
  378. if (_parentRow) {
  379. _parentRow.enableOozieDropOnSide(enable);
  380. if (_parentRow.columns().length <= 2) {
  381. _parentRow.columns().forEach(function (col) {
  382. col.enableOozieDropOnBefore(enable);
  383. col.enableOozieDropOnAfter(enable);
  384. col.rows()[0].enableOozieDropOnSide(enable);
  385. });
  386. var _prevParentRow = self.getPrevRow(_parentRow);
  387. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  388. _prevParentRow.enableOozieDropOnSide(enable);
  389. }
  390. }
  391. }
  392. var _col = self.getRowParentColumn(_row.id());
  393. if (self.getColumnParentRow(_col.id()) != null) {
  394. _col.enableOozieDropOnBefore(enable);
  395. _col.enableOozieDropOnAfter(enable);
  396. }
  397. var _prevRow = self.getPrevRow(_row);
  398. if (_prevRow) {
  399. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  400. _prevRow.enableOozieDropOnSide(enable);
  401. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  402. }
  403. }
  404. var _nextRow = self.getNextRow(_row);
  405. if (_nextRow) {
  406. _nextRow.enableOozieDropOnBefore(enable);
  407. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  408. _nextRow.enableOozieDropOnSide(enable);
  409. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  410. }
  411. }
  412. }
  413. }
  414. }
  415. self.currentlyCreatingFork = false;
  416. self.currentlyCreatedFork = null;
  417. self.currentlyCreatedJoin = null;
  418. self.isDragging = ko.observable(false);
  419. self.addDraggedWidget = function (target, atBeginning) {
  420. if (self.currentlyDraggedWidget() != null) {
  421. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  422. var _newRow = null;
  423. if (typeof atBeginning != "undefined") {
  424. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  425. if (atBeginning) {
  426. _newRow = _parentCol.addEmptyRow(false, 1);
  427. }
  428. else {
  429. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  430. }
  431. }
  432. else {
  433. _newRow = _parentCol.addEmptyRow(atBeginning);
  434. }
  435. }
  436. else {
  437. var _rowIdx = 0;
  438. $.each(_parentCol.rows(), function (i, irow) {
  439. if (irow.id() == target.id()) {
  440. _rowIdx = i;
  441. }
  442. });
  443. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  444. }
  445. var _w = new Widget({
  446. size: self.currentlyDraggedWidget().size(),
  447. id: UUID(),
  448. name: self.currentlyDraggedWidget().name(),
  449. widgetType: self.currentlyDraggedWidget().widgetType(),
  450. properties: self.currentlyDraggedWidget().properties(),
  451. offset: self.currentlyDraggedWidget().offset(),
  452. loading: true,
  453. vm: self
  454. });
  455. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  456. self.removeWidgetById(self.currentlyDraggedWidget().id());
  457. _w = self.currentlyDraggedWidget();
  458. }
  459. _newRow.widgets([_w]);
  460. return _w;
  461. }
  462. }
  463. self.addSideDraggedWidget = function (row, atBeginning) {
  464. if (self.currentlyDraggedWidget() != null) {
  465. var _parentCol = self.getRowParentColumn(row.id());
  466. var _rowIdx = 0;
  467. $.each(_parentCol.rows(), function (i, irow) {
  468. if (irow.id() == row.id()) {
  469. _rowIdx = i;
  470. }
  471. });
  472. var _addForkAndJoin = (row.columns().length == 0);
  473. if (_addForkAndJoin) {
  474. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  475. var _id = UUID();
  476. var _fork = new Widget({
  477. size: 12,
  478. id: _id,
  479. name: 'fork' + '-' + _id.slice(0, 4),
  480. widgetType: "fork-widget",
  481. properties: {},
  482. offset: 0,
  483. loading: true,
  484. vm: self
  485. });
  486. _forkRow.widgets([_fork]);
  487. }
  488. var _w = new Widget({
  489. size: self.currentlyDraggedWidget().size(),
  490. id: UUID(),
  491. name: self.currentlyDraggedWidget().name(),
  492. widgetType: self.currentlyDraggedWidget().widgetType(),
  493. properties: self.currentlyDraggedWidget().properties(),
  494. offset: self.currentlyDraggedWidget().offset(),
  495. loading: true,
  496. vm: self
  497. });
  498. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  499. self.removeWidgetById(self.currentlyDraggedWidget().id());
  500. _w = self.currentlyDraggedWidget();
  501. }
  502. if (row.columns().length == 0) {
  503. var _col = row.addColumn(null, atBeginning);
  504. if (row.widgets().length > 0) {
  505. var _row = _col.addEmptyRow();
  506. row.widgets().forEach(function (widget) {
  507. _row.addWidget(widget);
  508. });
  509. if (row.widgets()[0].widgetType() == "fork-widget") {
  510. var _widgetsRow = self.getNextRow(row);
  511. var _joinRow = self.getNextRow(_widgetsRow);
  512. _col.rows.push(_widgetsRow);
  513. _col.rows.push(_joinRow);
  514. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  515. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  516. }
  517. row.widgets([]);
  518. }
  519. }
  520. var _col = row.addColumn(null, atBeginning);
  521. var _row = new Row([_w], self);
  522. _col.addRow(_row);
  523. if (_addForkAndJoin) {
  524. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  525. var _id = UUID();
  526. var _join = new Widget({
  527. size: 12,
  528. id: _id,
  529. name: "join" + '-' + _id.slice(0, 4),
  530. widgetType: "join-widget",
  531. properties: {},
  532. offset: 0,
  533. loading: true,
  534. vm: self
  535. });
  536. _joinRow.widgets([_join]);
  537. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  538. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  539. }
  540. self.currentlyCreatingFork = true;
  541. return _w;
  542. }
  543. }
  544. self.removeWidget = function (widget_json) {
  545. self.workflow.removeNode(widget_json.id());
  546. self.removeWidgetById(widget_json.id());
  547. }
  548. self.removeWidgetById = function (widget_id) {
  549. $.each(self.columns(), function (i, col) {
  550. self.deeplyRemoveWidgetById(widget_id, col, self)
  551. });
  552. }
  553. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  554. if (col) {
  555. $.each(col.rows(), function (j, row) {
  556. if (row && row.widgets()) {
  557. $.each(row.widgets(), function (z, widget) {
  558. if (widget.id() == widget_id) {
  559. row.widgets.remove(widget);
  560. col.rows.remove(row);
  561. }
  562. });
  563. }
  564. if (row && row.columns()) {
  565. $.each(row.columns(), function (i, icol) {
  566. self.deeplyRemoveWidgetById(widget_id, icol, row);
  567. });
  568. }
  569. });
  570. if (col.rows().length == 0) {
  571. parent.columns.remove(col);
  572. if (parent.columns().length > 1) {
  573. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  574. parent.columns().forEach(function (icol) {
  575. icol.size(_size);
  576. });
  577. }
  578. else {
  579. var _rows = parent.columns()[0].rows();
  580. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  581. var _prevRowIdx = -1;
  582. for (var i = 0; i < _parentRows().length; i++) {
  583. if (_parentRows()[i].id() == parent.id()) {
  584. break;
  585. }
  586. _prevRowIdx = i;
  587. }
  588. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  589. _parentRows.remove(_parentRows()[_prevRowIdx]);
  590. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  591. }
  592. for (var i = 0; i < _rows.length; i++) {
  593. if (i == 0) {
  594. parent.widgets(_rows[i].widgets());
  595. }
  596. else {
  597. _parentRows.push(_rows[i]);
  598. }
  599. }
  600. parent.columns([]);
  601. }
  602. }
  603. }
  604. }
  605. self.getWidgetRelative = function (widget_id, isPredecessor) {
  606. var _row = self.getWidgetParentRow(widget_id);
  607. var _col = self.getRowParentColumn(_row.id());
  608. var _nextRow = null;
  609. for (var i = 0; i < _col.rows().length; i++) {
  610. if (_col.rows()[i].id() == _row.id()) {
  611. if (!isPredecessor && _col.rows().length >= i + 1) {
  612. _nextRow = _col.rows()[i + 1];
  613. }
  614. break;
  615. }
  616. _nextRow = _col.rows()[i];
  617. }
  618. if (_nextRow != null) {
  619. return _nextRow.widgets()[0];
  620. }
  621. else {
  622. var _parentRow = self.getColumnParentRow(_col.id());
  623. if (_parentRow) {
  624. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  625. var _nextParentRow = null;
  626. for (var i = 0; i < _parentColumn.rows().length; i++) {
  627. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  628. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  629. _nextParentRow = _parentColumn.rows()[i + 1];
  630. }
  631. break;
  632. }
  633. _nextParentRow = _parentColumn.rows()[i];
  634. }
  635. if (_nextParentRow != null) {
  636. return _nextParentRow.widgets()[0];
  637. }
  638. }
  639. }
  640. return null;
  641. }
  642. self.getWidgetPredecessor = function (widget_id) {
  643. return self.getWidgetRelative(widget_id, true);
  644. }
  645. self.getWidgetSuccessor = function (widget_id) {
  646. return self.getWidgetRelative(widget_id, false);
  647. }
  648. self.isRowAfterFork = function (row) {
  649. var _parentColumn = self.getRowParentColumn(row.id());
  650. var _prevRow = null;
  651. for (var i = 0; i < _parentColumn.rows().length; i++) {
  652. var _currentRow = _parentColumn.rows()[i];
  653. if (_currentRow.id() == row.id()) {
  654. break;
  655. }
  656. _prevRow = _currentRow;
  657. }
  658. if (_prevRow != null) {
  659. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  660. }
  661. return false;
  662. }
  663. self.isRowBeforeJoin = function (row) {
  664. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  665. }
  666. self.getNextRow = function (row) {
  667. var _parentColumn = self.getRowParentColumn(row.id());
  668. var _nextParentRow = null;
  669. for (var i = 0; i < _parentColumn.rows().length; i++) {
  670. if (_parentColumn.rows()[i].id() == row.id()) {
  671. if (_parentColumn.rows().length >= i + 1) {
  672. _nextParentRow = _parentColumn.rows()[i + 1];
  673. }
  674. break;
  675. }
  676. _nextParentRow = _parentColumn.rows()[i];
  677. }
  678. return _nextParentRow;
  679. }
  680. self.getPrevRow = function (row) {
  681. var _parentColumn = self.getRowParentColumn(row.id());
  682. var _prevParentRow = null;
  683. for (var i = 0; i < _parentColumn.rows().length; i++) {
  684. if (_parentColumn.rows()[i].id() == row.id()) {
  685. if (i > 0) {
  686. _prevParentRow = _parentColumn.rows()[i - 1];
  687. }
  688. break;
  689. }
  690. _prevParentRow = _parentColumn.rows()[i];
  691. }
  692. return _prevParentRow;
  693. }
  694. self.getWidgetParentRow = function (widget_id) {
  695. var _row = null;
  696. for (var i = 0; i < self.columns().length; i++) {
  697. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  698. if (_row != null) {
  699. break;
  700. }
  701. }
  702. return _row;
  703. }
  704. self.getRowParentColumn = function (row_id) {
  705. return self.traverseColumnForColumn(row_id, self.columns()[0], 0);
  706. }
  707. self.getColumnParentRow = function (col_id) {
  708. return self.traverseColumnForRow(col_id, self.columns()[0], 0);
  709. }
  710. self.getRowParentRow = function (row_id) {
  711. var _col = self.getRowParentColumn(row_id);
  712. if (_col != null) {
  713. return self.getColumnParentRow(_col.id());
  714. }
  715. }
  716. self.traverseColumnForColumn = function (row_id, col) {
  717. var _column = null;
  718. if (col) {
  719. for (var j = 0; j < col.rows().length; j++) {
  720. var row = col.rows()[j];
  721. for (var z = 0; z < row.columns().length; z++) {
  722. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  723. if (_column != null) {
  724. return _column;
  725. }
  726. }
  727. if (row.id() == row_id) {
  728. _column = col;
  729. return _column;
  730. }
  731. }
  732. }
  733. return _column;
  734. }
  735. self.traverseColumnForRow = function (col_id, col) {
  736. var _row = null;
  737. if (col) {
  738. for (var j = 0; j < col.rows().length; j++) {
  739. var row = col.rows()[j];
  740. for (var z = 0; z < row.columns().length; z++) {
  741. var _col = row.columns()[z];
  742. if (_col.id() == col_id) {
  743. _row = row;
  744. }
  745. else {
  746. _row = self.traverseColumnForRow(col_id, _col);
  747. }
  748. if (_row != null) {
  749. return _row;
  750. }
  751. }
  752. }
  753. }
  754. return _row;
  755. }
  756. self.traverseColumnForWidget = function (widget_id, col) {
  757. var _row = null;
  758. if (col) {
  759. for (var j = 0; j < col.rows().length; j++) {
  760. var row = col.rows()[j];
  761. for (var z = 0; z < row.widgets().length; z++) {
  762. var widget = row.widgets()[z];
  763. if (widget.id() == widget_id) {
  764. _row = row;
  765. break;
  766. }
  767. }
  768. if (_row != null) {
  769. break;
  770. }
  771. for (var z = 0; z < row.columns().length; z++) {
  772. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  773. if (_row != null) {
  774. break;
  775. }
  776. }
  777. }
  778. }
  779. return _row;
  780. }
  781. self.convertToDecision = function (widget, node) {
  782. if (widget.widgetType() == "fork-widget") {
  783. var _row = self.getWidgetParentRow(widget.id());
  784. var _next = self.getNextRow(_row);
  785. while (_next.widgets().length == 0) {
  786. _next = self.getNextRow(_next);
  787. }
  788. // Remove the join
  789. self.workflow.removeNode(_next.widgets()[0].id());
  790. self.removeWidgetById(_next.widgets()[0].id());
  791. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  792. widget.widgetType("decision-widget");
  793. node.type("decision-widget");
  794. var _newName = "decision-" + node.id().slice(0, 4);
  795. node.name(_newName);
  796. widget.name(_newName);
  797. $(document).trigger("drawArrows");
  798. }
  799. }
  800. self.save = function () {
  801. $.post("/oozie/editor/workflow/save/", {
  802. "layout": ko.mapping.toJSON(self.columns),
  803. "workflow": ko.mapping.toJSON(self.workflow)
  804. }, function (data) {
  805. if (data.status == 0) {
  806. self.workflow.id(data.id);
  807. $(document).trigger("info", data.message);
  808. if (window.location.search.indexOf("workflow") == -1) {
  809. window.location.hash = '#workflow=' + data.id;
  810. }
  811. }
  812. else {
  813. $(document).trigger("error", data.message);
  814. }
  815. }).fail(function (xhr, textStatus, errorThrown) {
  816. $(document).trigger("error", xhr.responseText);
  817. });
  818. };
  819. self.gen_xml = function () {
  820. $.post("/oozie/editor/workflow/gen_xml/", {
  821. "layout": ko.mapping.toJSON(self.columns),
  822. "workflow": ko.mapping.toJSON(self.workflow)
  823. }, function (data) {
  824. if (data.status == 0) {
  825. console.log(data.xml);
  826. }
  827. else {
  828. $(document).trigger("error", data.message);
  829. }
  830. }).fail(function (xhr, textStatus, errorThrown) {
  831. $(document).trigger("error", xhr.responseText);
  832. });
  833. };
  834. self.import_workflows = function () {
  835. $.post("/oozie/editor/workflow/import_workflows/", {
  836. }, function (data) {
  837. if (data.status == 0) {
  838. console.log(data.json);
  839. }
  840. else {
  841. $(document).trigger("error", data.message);
  842. }
  843. }).fail(function (xhr, textStatus, errorThrown) {
  844. $(document).trigger("error", xhr.responseText);
  845. });
  846. };
  847. self.showSubmitPopup = function () {
  848. // If self.workflow.id() == null, need to save wf for now
  849. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  850. }, function (data) {
  851. $(document).trigger("showSubmitPopup", data);
  852. }).fail(function (xhr, textStatus, errorThrown) {
  853. $(document).trigger("error", xhr.responseText);
  854. });
  855. };
  856. function bareWidgetBuilder(name, type) {
  857. return new Widget({
  858. size: 12,
  859. id: "",
  860. name: name,
  861. widgetType: type
  862. });
  863. }
  864. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  865. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  866. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  867. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  868. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  869. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  870. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  871. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  872. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  873. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  874. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  875. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  876. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  877. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  878. };
  879. function logGA(page) {
  880. if (typeof trackOnGA == 'function') {
  881. trackOnGA('oozie/editor/workflow' + page);
  882. }
  883. }