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. // Add to list of nodes before end
  185. var end = self.nodes.pop();
  186. self.nodes.push(node);
  187. self.nodes.push(end);
  188. if (vm.currentlyCreatingFork) {
  189. // Added to the side ?
  190. var parentWidget = vm.getWidgetPredecessor(node.id());
  191. var parent = self.getNodeById(parentWidget.id());
  192. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  193. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  194. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  195. var fork = new Node(vm.currentlyCreatedFork);
  196. var join = new Node(vm.currentlyCreatedJoin);
  197. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  198. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  199. var afterParent = self.getNodeById(afterParentId);
  200. fork.children.push({'to': afterParentId, 'condition': ''});
  201. fork.children.push({'to': node.id(), 'condition': ''});
  202. fork.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  203. forkParent.get_link('to')['to'] = fork.id();
  204. var belowJoin = vm.getWidgetSuccessor(join.id());
  205. join.set_link('to', belowJoin.id());
  206. if (afterParent.type() == 'fork-widget') {
  207. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  208. } else {
  209. afterParent.set_link('to', join.id());
  210. }
  211. node.set_link('to', join.id());
  212. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  213. var end = self.nodes.pop();
  214. self.nodes.push(fork);
  215. self.nodes.push(join);
  216. self.nodes.push(end);
  217. } else {
  218. // Just add to existing fork
  219. var join = vm.getWidgetSuccessor(node.id());
  220. node.set_link('to', join.id());
  221. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  222. parent.children.push({'to': node.id(), 'condition': ''});
  223. }
  224. } else {
  225. var parentWidget = vm.getWidgetPredecessor(node.id());
  226. var parent = self.getNodeById(parentWidget.id());
  227. if (widget.widgetType() == 'kill-widget') {
  228. parent.set_link('to', node.id());
  229. } else if (parentWidget.widgetType() == 'fork-widget') {
  230. var child = vm.getWidgetSuccessor(node.id());
  231. parent.remove_link('to', child.id());
  232. parent.children.push({'to': node.id(), 'condition': ''});
  233. node.set_link('to', child.id());
  234. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  235. } else {
  236. // Parent is regular node
  237. node.set_link('to', parent.get_link('to')['to']);
  238. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  239. parent.set_link('to', node.id());
  240. }
  241. }
  242. vm.currentlyCreatingFork = false;
  243. } else {
  244. $(document).trigger("error", data.message);
  245. }
  246. }).fail(function (xhr, textStatus, errorThrown) {
  247. $(document).trigger("error", xhr.responseText);
  248. });
  249. };
  250. self.removeNode = function(node_id) {
  251. var node = self.getNodeById(node_id);
  252. var parents = self.getParents(node_id);
  253. var parent = null;
  254. var childLink = node.get_link('to');
  255. var childId = ko.mapping.toJS(childLink)['to'];
  256. $.each(parents, function(index, _parent) {
  257. _parent.remove_link('to', node_id);
  258. _parent.children.unshift({'to': childId});
  259. parent = _parent;
  260. });
  261. self.nodes.remove(node);
  262. // If need to remove fork
  263. if (parent.type() == 'fork-widget') {
  264. var fork = parent;
  265. var join = self.getNodeById(childId);
  266. if (join.type() == 'join-widget') {
  267. if (fork.children().length == 2) {
  268. // Link top to above and delete fork
  269. fork.remove_link('to', childId);
  270. var forkParent = self.getParents(fork.id())[0];
  271. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  272. self.nodes.remove(fork);
  273. // Link bottom to child of join
  274. var beboreJoin = self.getParents(childId)[0];
  275. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  276. beboreJoin.set_link('to', joinChildId);
  277. self.nodes.remove(join);
  278. } else {
  279. parent.remove_link('to', childId);
  280. }
  281. }
  282. } else if (parent.type() == 'decision-widget') {
  283. parent.remove_link('to', childId);
  284. }
  285. };
  286. self.moveNode = function(widget) {
  287. var node = self.getNodeById(widget.id());
  288. self.movedNode = node;
  289. self.removeNode(node.id());
  290. self.addNode(widget);
  291. self.movedNode = null;
  292. };
  293. self.getParents = function(node_id) { // Join nodes can have multiple parents
  294. var _nodes = [];
  295. $.each(self.nodes(), function (index, node) {
  296. $.each(node.children(), function(index, link) {
  297. var _link = ko.mapping.toJS(link);
  298. if ('to' in _link && _link.to == node_id) {
  299. _nodes.push(node);
  300. }
  301. })
  302. });
  303. return _nodes;
  304. };
  305. self.getNodeById = function (node_id) {
  306. var _node = null;
  307. $.each(self.nodes(), function (index, node) {
  308. if (node.id() == node_id) {
  309. _node = node;
  310. return false;
  311. }
  312. });
  313. return _node;
  314. };
  315. }
  316. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json) {
  317. var self = this;
  318. self.isNested = ko.observable(true);
  319. self.isEditing = ko.observable(true);
  320. self.isEditing.subscribe(function(newVal){
  321. $(document).trigger("editingToggled");
  322. });
  323. self.toggleEditing = function () {
  324. self.isEditing(! self.isEditing());
  325. };
  326. self.columns = ko.observable([]);
  327. self.previewColumns = ko.observable("");
  328. self.workflow = new Workflow(self, workflow_json);
  329. self.credentials = ko.mapping.fromJSON(credentials_json);
  330. self.inited = ko.observable(self.columns().length > 0);
  331. self.init = function(callback) {
  332. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  333. loadLayout(self, layout_json);
  334. self.workflow.loadNodes(workflow_json);
  335. }
  336. self.depen = ko.observableArray(workflow_json.dependencies);
  337. self.addActionProperties = ko.observableArray([]);
  338. self.addActionWorkflows = ko.observableArray([]);
  339. self.selectedSubWorkflow = ko.observable();
  340. self.currentlyDraggedWidget = ko.observable(null);
  341. self.currentlyDraggedWidget.subscribe(function (widget) {
  342. toggleSideDrop(widget, false);
  343. });
  344. self.enableSideDrop = function (widget) {
  345. toggleSideDrop(widget, true);
  346. }
  347. function toggleSideDrop(widget, enable) {
  348. if (widget != null && widget.id() != "") {
  349. var _row = self.getWidgetParentRow(widget.id());
  350. if (_row) {
  351. _row.enableOozieDropOnSide(enable);
  352. _row.enableOozieDropOnBefore(enable);
  353. var _col = self.getRowParentColumn(_row.id());
  354. if (self.getColumnParentRow(_col.id())!=null){
  355. _col.enableOozieDropOnBefore(enable);
  356. _col.enableOozieDropOnAfter(enable);
  357. }
  358. var _prevRow = self.getPrevRow(_row);
  359. if (_prevRow){
  360. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget"){
  361. _prevRow.enableOozieDropOnSide(enable);
  362. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  363. }
  364. }
  365. var _nextRow = self.getNextRow(_row);
  366. if (_nextRow){
  367. _nextRow.enableOozieDropOnBefore(enable);
  368. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget"){
  369. _nextRow.enableOozieDropOnSide(enable);
  370. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  371. }
  372. }
  373. }
  374. }
  375. }
  376. self.currentlyCreatingFork = false;
  377. self.currentlyCreatedFork = null;
  378. self.currentlyCreatedJoin = null;
  379. self.isDragging = ko.observable(false);
  380. self.addDraggedWidget = function (target, atBeginning) {
  381. if (self.currentlyDraggedWidget() != null) {
  382. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  383. var _newRow = null;
  384. if (typeof atBeginning != "undefined") {
  385. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  386. if (atBeginning) {
  387. _newRow = _parentCol.addEmptyRow(false, 1);
  388. }
  389. else {
  390. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 1);
  391. }
  392. }
  393. else {
  394. _newRow = _parentCol.addEmptyRow(atBeginning);
  395. }
  396. }
  397. else {
  398. var _rowIdx = 0;
  399. $.each(_parentCol.rows(), function (i, irow) {
  400. if (irow.id() == target.id()) {
  401. _rowIdx = i;
  402. }
  403. });
  404. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  405. }
  406. var _w = new Widget({
  407. size: self.currentlyDraggedWidget().size(),
  408. id: UUID(),
  409. name: self.currentlyDraggedWidget().name(),
  410. widgetType: self.currentlyDraggedWidget().widgetType(),
  411. properties: self.currentlyDraggedWidget().properties(),
  412. offset: self.currentlyDraggedWidget().offset(),
  413. loading: true,
  414. vm: self
  415. });
  416. if (self.currentlyDraggedWidget().id() != ""){
  417. self.removeWidgetById(self.currentlyDraggedWidget().id());
  418. _w = self.currentlyDraggedWidget();
  419. }
  420. _newRow.widgets([_w]);
  421. return _w;
  422. }
  423. }
  424. self.addSideDraggedWidget = function (row, atBeginning) {
  425. if (self.currentlyDraggedWidget() != null) {
  426. var _parentCol = self.getRowParentColumn(row.id());
  427. var _rowIdx = 0;
  428. $.each(_parentCol.rows(), function (i, irow) {
  429. if (irow.id() == row.id()) {
  430. _rowIdx = i;
  431. }
  432. });
  433. var _addForkAndJoin = (row.columns().length == 0);
  434. if (_addForkAndJoin) {
  435. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  436. var _id = UUID();
  437. var _fork = new Widget({
  438. size: 12,
  439. id: _id,
  440. name: 'fork' + '-' + _id.slice(0, 4),
  441. widgetType: "fork-widget",
  442. properties: {},
  443. offset: 0,
  444. loading: true,
  445. vm: self
  446. });
  447. _forkRow.widgets([_fork]);
  448. }
  449. var _w = new Widget({
  450. size: self.currentlyDraggedWidget().size(),
  451. id: UUID(),
  452. name: self.currentlyDraggedWidget().name(),
  453. widgetType: self.currentlyDraggedWidget().widgetType(),
  454. properties: self.currentlyDraggedWidget().properties(),
  455. offset: self.currentlyDraggedWidget().offset(),
  456. loading: true,
  457. vm: self
  458. });
  459. if (self.currentlyDraggedWidget().id() != ""){
  460. self.removeWidgetById(self.currentlyDraggedWidget().id());
  461. _w = self.currentlyDraggedWidget();
  462. }
  463. if (row.columns().length == 0) {
  464. var _col = row.addColumn(null, atBeginning);
  465. if (row.widgets().length > 0) {
  466. var _row = _col.addEmptyRow();
  467. row.widgets().forEach(function (widget) {
  468. _row.addWidget(widget);
  469. });
  470. if (row.widgets()[0].widgetType() == "fork-widget") {
  471. var _widgetsRow = self.getNextRow(row);
  472. var _joinRow = self.getNextRow(_widgetsRow);
  473. _col.rows.push(_widgetsRow);
  474. _col.rows.push(_joinRow);
  475. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  476. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  477. }
  478. row.widgets([]);
  479. }
  480. }
  481. var _col = row.addColumn(null, atBeginning);
  482. var _row = new Row([_w], self);
  483. _col.addRow(_row);
  484. if (_addForkAndJoin) {
  485. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  486. var _id = UUID();
  487. var _join = new Widget({
  488. size: 12,
  489. id: _id,
  490. name: "join" + '-' + _id.slice(0, 4),
  491. widgetType: "join-widget",
  492. properties: {},
  493. offset: 0,
  494. loading: true,
  495. vm: self
  496. });
  497. _joinRow.widgets([_join]);
  498. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  499. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  500. }
  501. self.currentlyCreatingFork = true;
  502. return _w;
  503. }
  504. }
  505. self.getWidgetById = function (widget_id) {
  506. var _widget = null;
  507. $.each(self.columns(), function (i, col) {
  508. $.each(col.rows(), function (j, row) {
  509. $.each(row.widgets(), function (z, widget) {
  510. if (widget.id() == widget_id){
  511. _widget = widget;
  512. return false;
  513. }
  514. });
  515. });
  516. });
  517. return _widget;
  518. }
  519. self.removeWidget = function (widget_json) {
  520. self.workflow.removeNode(widget_json.id());
  521. self.removeWidgetById(widget_json.id());
  522. }
  523. self.removeWidgetById = function (widget_id) {
  524. $.each(self.columns(), function (i, col) {
  525. self.deeplyRemoveWidgetById(widget_id, col, self)
  526. });
  527. }
  528. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  529. if (col) {
  530. $.each(col.rows(), function (j, row) {
  531. if (row && row.widgets()){
  532. $.each(row.widgets(), function (z, widget) {
  533. if (widget.id() == widget_id) {
  534. row.widgets.remove(widget);
  535. col.rows.remove(row);
  536. }
  537. });
  538. }
  539. if (row && row.columns()) {
  540. $.each(row.columns(), function (i, icol) {
  541. self.deeplyRemoveWidgetById(widget_id, icol, row);
  542. });
  543. }
  544. });
  545. if (col.rows().length == 0) {
  546. parent.columns.remove(col);
  547. if (parent.columns().length > 1) {
  548. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  549. parent.columns().forEach(function (icol) {
  550. icol.size(_size);
  551. });
  552. }
  553. else {
  554. var _rows = parent.columns()[0].rows();
  555. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  556. var _prevRowIdx = -1;
  557. for (var i = 0; i < _parentRows().length; i++) {
  558. if (_parentRows()[i].id() == parent.id()) {
  559. break;
  560. }
  561. _prevRowIdx = i;
  562. }
  563. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget"){
  564. _parentRows.remove(_parentRows()[_prevRowIdx]);
  565. _parentRows.remove(_parentRows()[_prevRowIdx+1]);
  566. }
  567. for (var i=0;i<_rows.length;i++){
  568. if (i==0){
  569. parent.widgets(_rows[i].widgets());
  570. }
  571. else {
  572. _parentRows.push(_rows[i]);
  573. }
  574. }
  575. parent.columns([]);
  576. }
  577. }
  578. }
  579. }
  580. self.getWidgetRelative = function (widget_id, isPredecessor) {
  581. var _row = self.getWidgetParentRow(widget_id);
  582. var _col = self.getRowParentColumn(_row.id());
  583. var _nextRow = null;
  584. for (var i = 0; i < _col.rows().length; i++) {
  585. if (_col.rows()[i].id() == _row.id()) {
  586. if (!isPredecessor && _col.rows().length >= i + 1) {
  587. _nextRow = _col.rows()[i + 1];
  588. }
  589. break;
  590. }
  591. _nextRow = _col.rows()[i];
  592. }
  593. if (_nextRow != null) {
  594. return _nextRow.widgets()[0];
  595. }
  596. else {
  597. var _parentRow = self.getColumnParentRow(_col.id());
  598. if (_parentRow) {
  599. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  600. var _nextParentRow = null;
  601. for (var i = 0; i < _parentColumn.rows().length; i++) {
  602. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  603. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  604. _nextParentRow = _parentColumn.rows()[i + 1];
  605. }
  606. break;
  607. }
  608. _nextParentRow = _parentColumn.rows()[i];
  609. }
  610. if (_nextParentRow != null) {
  611. return _nextParentRow.widgets()[0];
  612. }
  613. }
  614. }
  615. return null;
  616. }
  617. self.getWidgetPredecessor = function (widget_id) {
  618. return self.getWidgetRelative(widget_id, true);
  619. }
  620. self.getWidgetSuccessor = function (widget_id) {
  621. return self.getWidgetRelative(widget_id, false);
  622. }
  623. self.isRowAfterFork = function (row) {
  624. var _parentColumn = self.getRowParentColumn(row.id());
  625. var _prevRow = null;
  626. for (var i = 0; i < _parentColumn.rows().length; i++) {
  627. var _currentRow = _parentColumn.rows()[i];
  628. if (_currentRow.id() == row.id()){
  629. break;
  630. }
  631. _prevRow = _currentRow;
  632. }
  633. if (_prevRow != null){
  634. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  635. }
  636. return false;
  637. }
  638. self.isRowBeforeJoin = function (row) {
  639. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  640. }
  641. self.getNextRow = function (row) {
  642. var _parentColumn = self.getRowParentColumn(row.id());
  643. var _nextParentRow = null;
  644. for (var i = 0; i < _parentColumn.rows().length; i++) {
  645. if (_parentColumn.rows()[i].id() == row.id()) {
  646. if (_parentColumn.rows().length >= i + 1) {
  647. _nextParentRow = _parentColumn.rows()[i + 1];
  648. }
  649. break;
  650. }
  651. _nextParentRow = _parentColumn.rows()[i];
  652. }
  653. return _nextParentRow;
  654. }
  655. self.getPrevRow = function (row) {
  656. var _parentColumn = self.getRowParentColumn(row.id());
  657. var _prevParentRow = null;
  658. for (var i = 0; i < _parentColumn.rows().length; i++) {
  659. if (_parentColumn.rows()[i].id() == row.id()) {
  660. if (i > 0) {
  661. _prevParentRow = _parentColumn.rows()[i - 1];
  662. }
  663. break;
  664. }
  665. _prevParentRow = _parentColumn.rows()[i];
  666. }
  667. return _prevParentRow;
  668. }
  669. self.getWidgetParentRow = function (widget_id) {
  670. var _row = null;
  671. for (var i = 0; i < self.columns().length; i++) {
  672. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  673. if (_row != null) {
  674. break;
  675. }
  676. }
  677. return _row;
  678. }
  679. self.getRowParentColumn = function (row_id) {
  680. var _column = null;
  681. for (var i = 0; i < self.columns().length; i++) {
  682. _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
  683. }
  684. return _column;
  685. }
  686. self.getColumnParentRow = function (col_id) {
  687. var _row = null;
  688. for (var i = 0; i < self.columns().length; i++) {
  689. _row = self.traverseColumnForRow(col_id, self.columns()[i]);
  690. if (_row != null) {
  691. break;
  692. }
  693. }
  694. return _row;
  695. }
  696. self.getRowParentRow = function (row_id) {
  697. var _col = self.getRowParentColumn(row_id);
  698. if (_col != null) {
  699. return self.getColumnParentRow(_col.id());
  700. }
  701. }
  702. self.traverseColumnForColumn = function (row_id, col) {
  703. var _column = null;
  704. if (col) {
  705. for (var j = 0; j < col.rows().length; j++) {
  706. var row = col.rows()[j];
  707. if (row.id() == row_id) {
  708. _column = col;
  709. break;
  710. }
  711. for (var z = 0; z < row.columns().length; z++) {
  712. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  713. if (_column != null) {
  714. break;
  715. }
  716. }
  717. }
  718. }
  719. return _column;
  720. }
  721. self.traverseColumnForRow = function (col_id, col) {
  722. var _row = null;
  723. if (col) {
  724. for (var j = 0; j < col.rows().length; j++) {
  725. var row = col.rows()[j];
  726. for (var z = 0; z < row.columns().length; z++) {
  727. var _col = row.columns()[z];
  728. if (_col.id() == col_id) {
  729. _row = row;
  730. }
  731. else {
  732. _row = self.traverseColumnForRow(col_id, _col);
  733. }
  734. if (_row != null) {
  735. break;
  736. }
  737. }
  738. }
  739. }
  740. return _row;
  741. }
  742. self.traverseColumnForWidget = function (widget_id, col) {
  743. var _row = null;
  744. if (col) {
  745. for (var j = 0; j < col.rows().length; j++) {
  746. var row = col.rows()[j];
  747. for (var z = 0; z < row.widgets().length; z++) {
  748. var widget = row.widgets()[z];
  749. if (widget.id() == widget_id) {
  750. _row = row;
  751. break;
  752. }
  753. }
  754. if (_row != null) {
  755. break;
  756. }
  757. for (var z = 0; z < row.columns().length; z++) {
  758. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  759. if (_row != null) {
  760. break;
  761. }
  762. }
  763. }
  764. }
  765. return _row;
  766. }
  767. self.convertToDecision = function (widget, node) {
  768. if (widget.widgetType() == "fork-widget"){
  769. var _row = self.getWidgetParentRow(widget.id());
  770. var _next = self.getNextRow(_row);
  771. while (_next.widgets().length == 0){
  772. _next = self.getNextRow(_next);
  773. }
  774. // Remove the join
  775. self.workflow.removeNode(_next.widgets()[0].id());
  776. self.removeWidgetById(_next.widgets()[0].id());
  777. widget.widgetType("decision-widget");
  778. node.type("decision-widget");
  779. var _newName = "decision-" + node.id().slice(0, 4);
  780. node.name(_newName);
  781. widget.name(_newName);
  782. $(document).trigger("drawArrows");
  783. }
  784. }
  785. self.save = function () {
  786. $.post("/oozie/editor/workflow/save/", {
  787. "layout": ko.mapping.toJSON(self.columns),
  788. "workflow": ko.mapping.toJSON(self.workflow)
  789. }, function (data) {
  790. if (data.status == 0) {
  791. self.workflow.id(data.id);
  792. $(document).trigger("info", data.message);
  793. if (window.location.search.indexOf("workflow") == -1) {
  794. window.location.hash = '#workflow=' + data.id;
  795. }
  796. }
  797. else {
  798. $(document).trigger("error", data.message);
  799. }
  800. }).fail(function (xhr, textStatus, errorThrown) {
  801. $(document).trigger("error", xhr.responseText);
  802. });
  803. };
  804. self.gen_xml = function () {
  805. $.post("/oozie/editor/workflow/gen_xml/", {
  806. "layout": ko.mapping.toJSON(self.columns),
  807. "workflow": ko.mapping.toJSON(self.workflow)
  808. }, function (data) {
  809. if (data.status == 0) {
  810. console.log(data.xml);
  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.showSubmitPopup = function () {
  820. // If self.workflow.id() == null, need to save wf for now
  821. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  822. }, function (data) {
  823. $(document).trigger("showSubmitPopup", data);
  824. }).fail(function (xhr, textStatus, errorThrown) {
  825. $(document).trigger("error", xhr.responseText);
  826. });
  827. };
  828. function bareWidgetBuilder(name, type){
  829. return new Widget({
  830. size: 12,
  831. id: "",
  832. name: name,
  833. widgetType: type
  834. });
  835. }
  836. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  837. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  838. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  839. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  840. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  841. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  842. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  843. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  844. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  845. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  846. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  847. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  848. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  849. };