workflow-editor.ko.js 31 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 = node.get_link('to');
  253. if (childLink) {
  254. var childId = ko.mapping.toJS(childLink)['to'];
  255. $.each(parents, function (index, _parent) {
  256. _parent.remove_link('to', node_id);
  257. _parent.children.unshift({'to': childId});
  258. parent = _parent;
  259. });
  260. self.nodes.remove(node);
  261. // If need to remove fork
  262. if (parent.type() == 'fork-widget') {
  263. var fork = parent;
  264. var join = self.getNodeById(childId);
  265. if (join.type() == 'join-widget') {
  266. if (fork.children().length == 2) {
  267. // Link top to above and delete fork
  268. fork.remove_link('to', childId);
  269. var forkParent = self.getParents(fork.id())[0];
  270. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  271. self.nodes.remove(fork);
  272. // Link bottom to child of join
  273. var beboreJoin = self.getParents(childId)[0];
  274. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  275. beboreJoin.set_link('to', joinChildId);
  276. self.nodes.remove(join);
  277. } else {
  278. parent.remove_link('to', childId);
  279. }
  280. }
  281. } else if (parent.type() == 'decision-widget') {
  282. parent.remove_link('to', childId);
  283. }
  284. }
  285. else {
  286. self.nodes.remove(node);
  287. }
  288. };
  289. self.moveNode = function (widget) {
  290. var node = self.getNodeById(widget.id());
  291. self.movedNode = node;
  292. self.removeNode(node.id());
  293. self.addNode(widget);
  294. self.movedNode = null;
  295. };
  296. self.getParents = function (node_id) { // Join nodes can have multiple parents
  297. var _nodes = [];
  298. $.each(self.nodes(), function (index, node) {
  299. $.each(node.children(), function (index, link) {
  300. var _link = ko.mapping.toJS(link);
  301. if ('to' in _link && _link.to == node_id) {
  302. _nodes.push(node);
  303. }
  304. })
  305. });
  306. return _nodes;
  307. };
  308. self.getNodeById = function (node_id) {
  309. var _node = null;
  310. $.each(self.nodes(), function (index, node) {
  311. if (node.id() == node_id) {
  312. _node = node;
  313. return false;
  314. }
  315. });
  316. return _node;
  317. };
  318. }
  319. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json) {
  320. var self = this;
  321. self.isNested = ko.observable(true);
  322. self.isEditing = ko.observable(true);
  323. self.isEditing.subscribe(function (newVal) {
  324. $(document).trigger("editingToggled");
  325. });
  326. self.toggleEditing = function () {
  327. self.isEditing(!self.isEditing());
  328. };
  329. self.columns = ko.observable([]);
  330. self.previewColumns = ko.observable("");
  331. self.workflow = new Workflow(self, workflow_json);
  332. self.credentials = ko.mapping.fromJSON(credentials_json);
  333. self.inited = ko.observable(self.columns().length > 0);
  334. self.init = function (callback) {
  335. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  336. loadLayout(self, layout_json);
  337. self.workflow.loadNodes(workflow_json);
  338. }
  339. self.depen = ko.observableArray(workflow_json.dependencies);
  340. self.addActionProperties = ko.observableArray([]);
  341. self.addActionWorkflows = ko.observableArray([]);
  342. self.selectedSubWorkflow = ko.observable();
  343. self.currentlyDraggedWidget = ko.observable(null);
  344. self.currentlyDraggedOp = ko.observable("move");
  345. self.currentlyDraggedWidget.subscribe(function (widget) {
  346. toggleSideDrop(widget, false);
  347. });
  348. self.setCurrentlyDraggedWidget = function (widget, op) {
  349. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  350. self.currentlyDraggedWidget(widget);
  351. }
  352. self.enableSideDrop = function (widget) {
  353. toggleSideDrop(widget, true);
  354. }
  355. function toggleSideDrop(widget, enable) {
  356. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  357. var _row = self.getWidgetParentRow(widget.id());
  358. if (_row) {
  359. _row.enableOozieDropOnSide(enable);
  360. _row.enableOozieDropOnBefore(enable);
  361. var _parentRow = self.getRowParentRow(_row.id());
  362. if (_parentRow) {
  363. _parentRow.enableOozieDropOnSide(enable);
  364. if (_parentRow.columns().length <= 2) {
  365. _parentRow.columns().forEach(function (col) {
  366. col.enableOozieDropOnBefore(enable);
  367. col.enableOozieDropOnAfter(enable);
  368. col.rows()[0].enableOozieDropOnSide(enable);
  369. });
  370. var _prevParentRow = self.getPrevRow(_parentRow);
  371. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  372. _prevParentRow.enableOozieDropOnSide(enable);
  373. }
  374. }
  375. }
  376. var _col = self.getRowParentColumn(_row.id());
  377. if (self.getColumnParentRow(_col.id()) != null) {
  378. _col.enableOozieDropOnBefore(enable);
  379. _col.enableOozieDropOnAfter(enable);
  380. }
  381. var _prevRow = self.getPrevRow(_row);
  382. if (_prevRow) {
  383. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  384. _prevRow.enableOozieDropOnSide(enable);
  385. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  386. }
  387. }
  388. var _nextRow = self.getNextRow(_row);
  389. if (_nextRow) {
  390. _nextRow.enableOozieDropOnBefore(enable);
  391. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  392. _nextRow.enableOozieDropOnSide(enable);
  393. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  394. }
  395. }
  396. }
  397. }
  398. }
  399. self.currentlyCreatingFork = false;
  400. self.currentlyCreatedFork = null;
  401. self.currentlyCreatedJoin = null;
  402. self.isDragging = ko.observable(false);
  403. self.addDraggedWidget = function (target, atBeginning) {
  404. if (self.currentlyDraggedWidget() != null) {
  405. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  406. var _newRow = null;
  407. if (typeof atBeginning != "undefined") {
  408. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  409. if (atBeginning) {
  410. _newRow = _parentCol.addEmptyRow(false, 1);
  411. }
  412. else {
  413. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  414. }
  415. }
  416. else {
  417. _newRow = _parentCol.addEmptyRow(atBeginning);
  418. }
  419. }
  420. else {
  421. var _rowIdx = 0;
  422. $.each(_parentCol.rows(), function (i, irow) {
  423. if (irow.id() == target.id()) {
  424. _rowIdx = i;
  425. }
  426. });
  427. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  428. }
  429. var _w = new Widget({
  430. size: self.currentlyDraggedWidget().size(),
  431. id: UUID(),
  432. name: self.currentlyDraggedWidget().name(),
  433. widgetType: self.currentlyDraggedWidget().widgetType(),
  434. properties: self.currentlyDraggedWidget().properties(),
  435. offset: self.currentlyDraggedWidget().offset(),
  436. loading: true,
  437. vm: self
  438. });
  439. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  440. self.removeWidgetById(self.currentlyDraggedWidget().id());
  441. _w = self.currentlyDraggedWidget();
  442. }
  443. _newRow.widgets([_w]);
  444. return _w;
  445. }
  446. }
  447. self.addSideDraggedWidget = function (row, atBeginning) {
  448. if (self.currentlyDraggedWidget() != null) {
  449. var _parentCol = self.getRowParentColumn(row.id());
  450. var _rowIdx = 0;
  451. $.each(_parentCol.rows(), function (i, irow) {
  452. if (irow.id() == row.id()) {
  453. _rowIdx = i;
  454. }
  455. });
  456. var _addForkAndJoin = (row.columns().length == 0);
  457. if (_addForkAndJoin) {
  458. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  459. var _id = UUID();
  460. var _fork = new Widget({
  461. size: 12,
  462. id: _id,
  463. name: 'fork' + '-' + _id.slice(0, 4),
  464. widgetType: "fork-widget",
  465. properties: {},
  466. offset: 0,
  467. loading: true,
  468. vm: self
  469. });
  470. _forkRow.widgets([_fork]);
  471. }
  472. var _w = new Widget({
  473. size: self.currentlyDraggedWidget().size(),
  474. id: UUID(),
  475. name: self.currentlyDraggedWidget().name(),
  476. widgetType: self.currentlyDraggedWidget().widgetType(),
  477. properties: self.currentlyDraggedWidget().properties(),
  478. offset: self.currentlyDraggedWidget().offset(),
  479. loading: true,
  480. vm: self
  481. });
  482. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  483. self.removeWidgetById(self.currentlyDraggedWidget().id());
  484. _w = self.currentlyDraggedWidget();
  485. }
  486. if (row.columns().length == 0) {
  487. var _col = row.addColumn(null, atBeginning);
  488. if (row.widgets().length > 0) {
  489. var _row = _col.addEmptyRow();
  490. row.widgets().forEach(function (widget) {
  491. _row.addWidget(widget);
  492. });
  493. if (row.widgets()[0].widgetType() == "fork-widget") {
  494. var _widgetsRow = self.getNextRow(row);
  495. var _joinRow = self.getNextRow(_widgetsRow);
  496. _col.rows.push(_widgetsRow);
  497. _col.rows.push(_joinRow);
  498. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  499. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  500. }
  501. row.widgets([]);
  502. }
  503. }
  504. var _col = row.addColumn(null, atBeginning);
  505. var _row = new Row([_w], self);
  506. _col.addRow(_row);
  507. if (_addForkAndJoin) {
  508. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  509. var _id = UUID();
  510. var _join = new Widget({
  511. size: 12,
  512. id: _id,
  513. name: "join" + '-' + _id.slice(0, 4),
  514. widgetType: "join-widget",
  515. properties: {},
  516. offset: 0,
  517. loading: true,
  518. vm: self
  519. });
  520. _joinRow.widgets([_join]);
  521. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  522. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  523. }
  524. self.currentlyCreatingFork = true;
  525. return _w;
  526. }
  527. }
  528. self.removeWidget = function (widget_json) {
  529. self.workflow.removeNode(widget_json.id());
  530. self.removeWidgetById(widget_json.id());
  531. }
  532. self.removeWidgetById = function (widget_id) {
  533. $.each(self.columns(), function (i, col) {
  534. self.deeplyRemoveWidgetById(widget_id, col, self)
  535. });
  536. }
  537. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  538. if (col) {
  539. $.each(col.rows(), function (j, row) {
  540. if (row && row.widgets()) {
  541. $.each(row.widgets(), function (z, widget) {
  542. if (widget.id() == widget_id) {
  543. row.widgets.remove(widget);
  544. col.rows.remove(row);
  545. }
  546. });
  547. }
  548. if (row && row.columns()) {
  549. $.each(row.columns(), function (i, icol) {
  550. self.deeplyRemoveWidgetById(widget_id, icol, row);
  551. });
  552. }
  553. });
  554. if (col.rows().length == 0) {
  555. parent.columns.remove(col);
  556. if (parent.columns().length > 1) {
  557. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  558. parent.columns().forEach(function (icol) {
  559. icol.size(_size);
  560. });
  561. }
  562. else {
  563. var _rows = parent.columns()[0].rows();
  564. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  565. var _prevRowIdx = -1;
  566. for (var i = 0; i < _parentRows().length; i++) {
  567. if (_parentRows()[i].id() == parent.id()) {
  568. break;
  569. }
  570. _prevRowIdx = i;
  571. }
  572. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  573. _parentRows.remove(_parentRows()[_prevRowIdx]);
  574. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  575. }
  576. for (var i = 0; i < _rows.length; i++) {
  577. if (i == 0) {
  578. parent.widgets(_rows[i].widgets());
  579. }
  580. else {
  581. _parentRows.push(_rows[i]);
  582. }
  583. }
  584. parent.columns([]);
  585. }
  586. }
  587. }
  588. }
  589. self.getWidgetRelative = function (widget_id, isPredecessor) {
  590. var _row = self.getWidgetParentRow(widget_id);
  591. var _col = self.getRowParentColumn(_row.id());
  592. var _nextRow = null;
  593. for (var i = 0; i < _col.rows().length; i++) {
  594. if (_col.rows()[i].id() == _row.id()) {
  595. if (!isPredecessor && _col.rows().length >= i + 1) {
  596. _nextRow = _col.rows()[i + 1];
  597. }
  598. break;
  599. }
  600. _nextRow = _col.rows()[i];
  601. }
  602. if (_nextRow != null) {
  603. return _nextRow.widgets()[0];
  604. }
  605. else {
  606. var _parentRow = self.getColumnParentRow(_col.id());
  607. if (_parentRow) {
  608. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  609. var _nextParentRow = null;
  610. for (var i = 0; i < _parentColumn.rows().length; i++) {
  611. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  612. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  613. _nextParentRow = _parentColumn.rows()[i + 1];
  614. }
  615. break;
  616. }
  617. _nextParentRow = _parentColumn.rows()[i];
  618. }
  619. if (_nextParentRow != null) {
  620. return _nextParentRow.widgets()[0];
  621. }
  622. }
  623. }
  624. return null;
  625. }
  626. self.getWidgetPredecessor = function (widget_id) {
  627. return self.getWidgetRelative(widget_id, true);
  628. }
  629. self.getWidgetSuccessor = function (widget_id) {
  630. return self.getWidgetRelative(widget_id, false);
  631. }
  632. self.isRowAfterFork = function (row) {
  633. var _parentColumn = self.getRowParentColumn(row.id());
  634. var _prevRow = null;
  635. for (var i = 0; i < _parentColumn.rows().length; i++) {
  636. var _currentRow = _parentColumn.rows()[i];
  637. if (_currentRow.id() == row.id()) {
  638. break;
  639. }
  640. _prevRow = _currentRow;
  641. }
  642. if (_prevRow != null) {
  643. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  644. }
  645. return false;
  646. }
  647. self.isRowBeforeJoin = function (row) {
  648. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  649. }
  650. self.getNextRow = function (row) {
  651. var _parentColumn = self.getRowParentColumn(row.id());
  652. var _nextParentRow = null;
  653. for (var i = 0; i < _parentColumn.rows().length; i++) {
  654. if (_parentColumn.rows()[i].id() == row.id()) {
  655. if (_parentColumn.rows().length >= i + 1) {
  656. _nextParentRow = _parentColumn.rows()[i + 1];
  657. }
  658. break;
  659. }
  660. _nextParentRow = _parentColumn.rows()[i];
  661. }
  662. return _nextParentRow;
  663. }
  664. self.getPrevRow = function (row) {
  665. var _parentColumn = self.getRowParentColumn(row.id());
  666. var _prevParentRow = null;
  667. for (var i = 0; i < _parentColumn.rows().length; i++) {
  668. if (_parentColumn.rows()[i].id() == row.id()) {
  669. if (i > 0) {
  670. _prevParentRow = _parentColumn.rows()[i - 1];
  671. }
  672. break;
  673. }
  674. _prevParentRow = _parentColumn.rows()[i];
  675. }
  676. return _prevParentRow;
  677. }
  678. self.getWidgetParentRow = function (widget_id) {
  679. var _row = null;
  680. for (var i = 0; i < self.columns().length; i++) {
  681. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  682. if (_row != null) {
  683. break;
  684. }
  685. }
  686. return _row;
  687. }
  688. self.getRowParentColumn = function (row_id) {
  689. return self.traverseColumnForColumn(row_id, self.columns()[0], 0);
  690. }
  691. self.getColumnParentRow = function (col_id) {
  692. return self.traverseColumnForRow(col_id, self.columns()[0], 0);
  693. }
  694. self.getRowParentRow = function (row_id) {
  695. var _col = self.getRowParentColumn(row_id);
  696. if (_col != null) {
  697. return self.getColumnParentRow(_col.id());
  698. }
  699. }
  700. self.traverseColumnForColumn = function (row_id, col) {
  701. var _column = null;
  702. if (col) {
  703. for (var j = 0; j < col.rows().length; j++) {
  704. var row = col.rows()[j];
  705. for (var z = 0; z < row.columns().length; z++) {
  706. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  707. if (_column != null) {
  708. return _column;
  709. }
  710. }
  711. if (row.id() == row_id) {
  712. _column = col;
  713. return _column;
  714. }
  715. }
  716. }
  717. return _column;
  718. }
  719. self.traverseColumnForRow = function (col_id, col) {
  720. var _row = null;
  721. if (col) {
  722. for (var j = 0; j < col.rows().length; j++) {
  723. var row = col.rows()[j];
  724. for (var z = 0; z < row.columns().length; z++) {
  725. var _col = row.columns()[z];
  726. if (_col.id() == col_id) {
  727. _row = row;
  728. }
  729. else {
  730. _row = self.traverseColumnForRow(col_id, _col);
  731. }
  732. if (_row != null) {
  733. return _row;
  734. }
  735. }
  736. }
  737. }
  738. return _row;
  739. }
  740. self.traverseColumnForWidget = function (widget_id, col) {
  741. var _row = null;
  742. if (col) {
  743. for (var j = 0; j < col.rows().length; j++) {
  744. var row = col.rows()[j];
  745. for (var z = 0; z < row.widgets().length; z++) {
  746. var widget = row.widgets()[z];
  747. if (widget.id() == widget_id) {
  748. _row = row;
  749. break;
  750. }
  751. }
  752. if (_row != null) {
  753. break;
  754. }
  755. for (var z = 0; z < row.columns().length; z++) {
  756. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  757. if (_row != null) {
  758. break;
  759. }
  760. }
  761. }
  762. }
  763. return _row;
  764. }
  765. self.convertToDecision = function (widget, node) {
  766. if (widget.widgetType() == "fork-widget") {
  767. var _row = self.getWidgetParentRow(widget.id());
  768. var _next = self.getNextRow(_row);
  769. while (_next.widgets().length == 0) {
  770. _next = self.getNextRow(_next);
  771. }
  772. // Remove the join
  773. self.workflow.removeNode(_next.widgets()[0].id());
  774. self.removeWidgetById(_next.widgets()[0].id());
  775. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  776. widget.widgetType("decision-widget");
  777. node.type("decision-widget");
  778. var _newName = "decision-" + node.id().slice(0, 4);
  779. node.name(_newName);
  780. widget.name(_newName);
  781. $(document).trigger("drawArrows");
  782. }
  783. }
  784. self.save = function () {
  785. $.post("/oozie/editor/workflow/save/", {
  786. "layout": ko.mapping.toJSON(self.columns),
  787. "workflow": ko.mapping.toJSON(self.workflow)
  788. }, function (data) {
  789. if (data.status == 0) {
  790. self.workflow.id(data.id);
  791. $(document).trigger("info", data.message);
  792. if (window.location.search.indexOf("workflow") == -1) {
  793. window.location.hash = '#workflow=' + data.id;
  794. }
  795. }
  796. else {
  797. $(document).trigger("error", data.message);
  798. }
  799. }).fail(function (xhr, textStatus, errorThrown) {
  800. $(document).trigger("error", xhr.responseText);
  801. });
  802. };
  803. self.gen_xml = function () {
  804. $.post("/oozie/editor/workflow/gen_xml/", {
  805. "layout": ko.mapping.toJSON(self.columns),
  806. "workflow": ko.mapping.toJSON(self.workflow)
  807. }, function (data) {
  808. if (data.status == 0) {
  809. console.log(data.xml);
  810. }
  811. else {
  812. $(document).trigger("error", data.message);
  813. }
  814. }).fail(function (xhr, textStatus, errorThrown) {
  815. $(document).trigger("error", xhr.responseText);
  816. });
  817. };
  818. self.import_workflows = function () {
  819. $.post("/oozie/editor/workflow/import_workflows/", {
  820. }, function (data) {
  821. if (data.status == 0) {
  822. console.log(data.json);
  823. }
  824. else {
  825. $(document).trigger("error", data.message);
  826. }
  827. }).fail(function (xhr, textStatus, errorThrown) {
  828. $(document).trigger("error", xhr.responseText);
  829. });
  830. };
  831. self.showSubmitPopup = function () {
  832. // If self.workflow.id() == null, need to save wf for now
  833. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  834. }, function (data) {
  835. $(document).trigger("showSubmitPopup", data);
  836. }).fail(function (xhr, textStatus, errorThrown) {
  837. $(document).trigger("error", xhr.responseText);
  838. });
  839. };
  840. function bareWidgetBuilder(name, type) {
  841. return new Widget({
  842. size: 12,
  843. id: "",
  844. name: name,
  845. widgetType: type
  846. });
  847. }
  848. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  849. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  850. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  851. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  852. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  853. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  854. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  855. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  856. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  857. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  858. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  859. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  860. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  861. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  862. };
  863. function logGA(page) {
  864. if (typeof trackOnGA == 'function') {
  865. trackOnGA('oozie/editor/workflow' + page);
  866. }
  867. }