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