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. var childId = ko.mapping.toJS(childLink)['to'];
  254. $.each(parents, function (index, _parent) {
  255. _parent.remove_link('to', node_id);
  256. _parent.children.unshift({'to': childId});
  257. parent = _parent;
  258. });
  259. self.nodes.remove(node);
  260. // If need to remove fork
  261. if (parent.type() == 'fork-widget') {
  262. var fork = parent;
  263. var join = self.getNodeById(childId);
  264. if (join.type() == 'join-widget') {
  265. if (fork.children().length == 2) {
  266. // Link top to above and delete fork
  267. fork.remove_link('to', childId);
  268. var forkParent = self.getParents(fork.id())[0];
  269. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  270. self.nodes.remove(fork);
  271. // Link bottom to child of join
  272. var beboreJoin = self.getParents(childId)[0];
  273. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  274. beboreJoin.set_link('to', joinChildId);
  275. self.nodes.remove(join);
  276. } else {
  277. parent.remove_link('to', childId);
  278. }
  279. }
  280. } else if (parent.type() == 'decision-widget') {
  281. parent.remove_link('to', childId);
  282. }
  283. };
  284. self.moveNode = function (widget) {
  285. var node = self.getNodeById(widget.id());
  286. self.movedNode = node;
  287. self.removeNode(node.id());
  288. self.addNode(widget);
  289. self.movedNode = null;
  290. };
  291. self.getParents = function (node_id) { // Join nodes can have multiple parents
  292. var _nodes = [];
  293. $.each(self.nodes(), function (index, node) {
  294. $.each(node.children(), function (index, link) {
  295. var _link = ko.mapping.toJS(link);
  296. if ('to' in _link && _link.to == node_id) {
  297. _nodes.push(node);
  298. }
  299. })
  300. });
  301. return _nodes;
  302. };
  303. self.getNodeById = function (node_id) {
  304. var _node = null;
  305. $.each(self.nodes(), function (index, node) {
  306. if (node.id() == node_id) {
  307. _node = node;
  308. return false;
  309. }
  310. });
  311. return _node;
  312. };
  313. }
  314. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json) {
  315. var self = this;
  316. self.isNested = ko.observable(true);
  317. self.isEditing = ko.observable(true);
  318. self.isEditing.subscribe(function (newVal) {
  319. $(document).trigger("editingToggled");
  320. });
  321. self.toggleEditing = function () {
  322. self.isEditing(!self.isEditing());
  323. };
  324. self.columns = ko.observable([]);
  325. self.previewColumns = ko.observable("");
  326. self.workflow = new Workflow(self, workflow_json);
  327. self.credentials = ko.mapping.fromJSON(credentials_json);
  328. self.inited = ko.observable(self.columns().length > 0);
  329. self.init = function (callback) {
  330. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  331. loadLayout(self, layout_json);
  332. self.workflow.loadNodes(workflow_json);
  333. }
  334. self.depen = ko.observableArray(workflow_json.dependencies);
  335. self.addActionProperties = ko.observableArray([]);
  336. self.addActionWorkflows = ko.observableArray([]);
  337. self.selectedSubWorkflow = ko.observable();
  338. self.currentlyDraggedWidget = ko.observable(null);
  339. self.currentlyDraggedOp = ko.observable("move");
  340. self.currentlyDraggedWidget.subscribe(function (widget) {
  341. toggleSideDrop(widget, false);
  342. });
  343. self.setCurrentlyDraggedWidget = function (widget, op) {
  344. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  345. self.currentlyDraggedWidget(widget);
  346. }
  347. self.enableSideDrop = function (widget) {
  348. toggleSideDrop(widget, true);
  349. }
  350. function toggleSideDrop(widget, enable) {
  351. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  352. var _row = self.getWidgetParentRow(widget.id());
  353. if (_row) {
  354. _row.enableOozieDropOnSide(enable);
  355. _row.enableOozieDropOnBefore(enable);
  356. var _parentRow = self.getRowParentRow(_row.id());
  357. if (_parentRow) {
  358. _parentRow.enableOozieDropOnSide(enable);
  359. if (_parentRow.columns().length <= 2) {
  360. _parentRow.columns().forEach(function (col) {
  361. col.enableOozieDropOnBefore(enable);
  362. col.enableOozieDropOnAfter(enable);
  363. col.rows()[0].enableOozieDropOnSide(enable);
  364. });
  365. var _prevParentRow = self.getPrevRow(_parentRow);
  366. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  367. _prevParentRow.enableOozieDropOnSide(enable);
  368. }
  369. }
  370. }
  371. var _col = self.getRowParentColumn(_row.id());
  372. if (self.getColumnParentRow(_col.id()) != null) {
  373. _col.enableOozieDropOnBefore(enable);
  374. _col.enableOozieDropOnAfter(enable);
  375. }
  376. var _prevRow = self.getPrevRow(_row);
  377. if (_prevRow) {
  378. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  379. _prevRow.enableOozieDropOnSide(enable);
  380. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  381. }
  382. }
  383. var _nextRow = self.getNextRow(_row);
  384. if (_nextRow) {
  385. _nextRow.enableOozieDropOnBefore(enable);
  386. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  387. _nextRow.enableOozieDropOnSide(enable);
  388. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  389. }
  390. }
  391. }
  392. }
  393. }
  394. self.currentlyCreatingFork = false;
  395. self.currentlyCreatedFork = null;
  396. self.currentlyCreatedJoin = null;
  397. self.isDragging = ko.observable(false);
  398. self.addDraggedWidget = function (target, atBeginning) {
  399. if (self.currentlyDraggedWidget() != null) {
  400. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  401. var _newRow = null;
  402. if (typeof atBeginning != "undefined") {
  403. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  404. if (atBeginning) {
  405. _newRow = _parentCol.addEmptyRow(false, 1);
  406. }
  407. else {
  408. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 1);
  409. }
  410. }
  411. else {
  412. _newRow = _parentCol.addEmptyRow(atBeginning);
  413. }
  414. }
  415. else {
  416. var _rowIdx = 0;
  417. $.each(_parentCol.rows(), function (i, irow) {
  418. if (irow.id() == target.id()) {
  419. _rowIdx = i;
  420. }
  421. });
  422. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  423. }
  424. var _w = new Widget({
  425. size: self.currentlyDraggedWidget().size(),
  426. id: UUID(),
  427. name: self.currentlyDraggedWidget().name(),
  428. widgetType: self.currentlyDraggedWidget().widgetType(),
  429. properties: self.currentlyDraggedWidget().properties(),
  430. offset: self.currentlyDraggedWidget().offset(),
  431. loading: true,
  432. vm: self
  433. });
  434. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  435. self.removeWidgetById(self.currentlyDraggedWidget().id());
  436. _w = self.currentlyDraggedWidget();
  437. }
  438. _newRow.widgets([_w]);
  439. return _w;
  440. }
  441. }
  442. self.addSideDraggedWidget = function (row, atBeginning) {
  443. if (self.currentlyDraggedWidget() != null) {
  444. var _parentCol = self.getRowParentColumn(row.id());
  445. var _rowIdx = 0;
  446. $.each(_parentCol.rows(), function (i, irow) {
  447. if (irow.id() == row.id()) {
  448. _rowIdx = i;
  449. }
  450. });
  451. var _addForkAndJoin = (row.columns().length == 0);
  452. if (_addForkAndJoin) {
  453. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  454. var _id = UUID();
  455. var _fork = new Widget({
  456. size: 12,
  457. id: _id,
  458. name: 'fork' + '-' + _id.slice(0, 4),
  459. widgetType: "fork-widget",
  460. properties: {},
  461. offset: 0,
  462. loading: true,
  463. vm: self
  464. });
  465. _forkRow.widgets([_fork]);
  466. }
  467. var _w = new Widget({
  468. size: self.currentlyDraggedWidget().size(),
  469. id: UUID(),
  470. name: self.currentlyDraggedWidget().name(),
  471. widgetType: self.currentlyDraggedWidget().widgetType(),
  472. properties: self.currentlyDraggedWidget().properties(),
  473. offset: self.currentlyDraggedWidget().offset(),
  474. loading: true,
  475. vm: self
  476. });
  477. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  478. self.removeWidgetById(self.currentlyDraggedWidget().id());
  479. _w = self.currentlyDraggedWidget();
  480. }
  481. if (row.columns().length == 0) {
  482. var _col = row.addColumn(null, atBeginning);
  483. if (row.widgets().length > 0) {
  484. var _row = _col.addEmptyRow();
  485. row.widgets().forEach(function (widget) {
  486. _row.addWidget(widget);
  487. });
  488. if (row.widgets()[0].widgetType() == "fork-widget") {
  489. var _widgetsRow = self.getNextRow(row);
  490. var _joinRow = self.getNextRow(_widgetsRow);
  491. _col.rows.push(_widgetsRow);
  492. _col.rows.push(_joinRow);
  493. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  494. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  495. }
  496. row.widgets([]);
  497. }
  498. }
  499. var _col = row.addColumn(null, atBeginning);
  500. var _row = new Row([_w], self);
  501. _col.addRow(_row);
  502. if (_addForkAndJoin) {
  503. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  504. var _id = UUID();
  505. var _join = new Widget({
  506. size: 12,
  507. id: _id,
  508. name: "join" + '-' + _id.slice(0, 4),
  509. widgetType: "join-widget",
  510. properties: {},
  511. offset: 0,
  512. loading: true,
  513. vm: self
  514. });
  515. _joinRow.widgets([_join]);
  516. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  517. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  518. }
  519. self.currentlyCreatingFork = true;
  520. return _w;
  521. }
  522. }
  523. // self.getWidgetById = function (widget_id) {
  524. // var _widget = null;
  525. // $.each(self.columns(), function (i, col) {
  526. // $.each(col.rows(), function (j, row) {
  527. // $.each(row.widgets(), function (z, widget) {
  528. // if (widget.id() == widget_id) {
  529. // _widget = widget;
  530. // return false;
  531. // }
  532. // });
  533. // });
  534. // });
  535. // return _widget;
  536. // }
  537. self.removeWidget = function (widget_json) {
  538. self.workflow.removeNode(widget_json.id());
  539. self.removeWidgetById(widget_json.id());
  540. }
  541. self.removeWidgetById = function (widget_id) {
  542. $.each(self.columns(), function (i, col) {
  543. self.deeplyRemoveWidgetById(widget_id, col, self)
  544. });
  545. }
  546. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  547. if (col) {
  548. $.each(col.rows(), function (j, row) {
  549. if (row && row.widgets()) {
  550. $.each(row.widgets(), function (z, widget) {
  551. if (widget.id() == widget_id) {
  552. row.widgets.remove(widget);
  553. col.rows.remove(row);
  554. }
  555. });
  556. }
  557. if (row && row.columns()) {
  558. $.each(row.columns(), function (i, icol) {
  559. self.deeplyRemoveWidgetById(widget_id, icol, row);
  560. });
  561. }
  562. });
  563. if (col.rows().length == 0) {
  564. parent.columns.remove(col);
  565. if (parent.columns().length > 1) {
  566. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  567. parent.columns().forEach(function (icol) {
  568. icol.size(_size);
  569. });
  570. }
  571. else {
  572. var _rows = parent.columns()[0].rows();
  573. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  574. var _prevRowIdx = -1;
  575. for (var i = 0; i < _parentRows().length; i++) {
  576. if (_parentRows()[i].id() == parent.id()) {
  577. break;
  578. }
  579. _prevRowIdx = i;
  580. }
  581. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  582. _parentRows.remove(_parentRows()[_prevRowIdx]);
  583. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  584. }
  585. for (var i = 0; i < _rows.length; i++) {
  586. if (i == 0) {
  587. parent.widgets(_rows[i].widgets());
  588. }
  589. else {
  590. _parentRows.push(_rows[i]);
  591. }
  592. }
  593. parent.columns([]);
  594. }
  595. }
  596. }
  597. }
  598. self.getWidgetRelative = function (widget_id, isPredecessor) {
  599. var _row = self.getWidgetParentRow(widget_id);
  600. var _col = self.getRowParentColumn(_row.id());
  601. var _nextRow = null;
  602. for (var i = 0; i < _col.rows().length; i++) {
  603. if (_col.rows()[i].id() == _row.id()) {
  604. if (!isPredecessor && _col.rows().length >= i + 1) {
  605. _nextRow = _col.rows()[i + 1];
  606. }
  607. break;
  608. }
  609. _nextRow = _col.rows()[i];
  610. }
  611. if (_nextRow != null) {
  612. return _nextRow.widgets()[0];
  613. }
  614. else {
  615. var _parentRow = self.getColumnParentRow(_col.id());
  616. if (_parentRow) {
  617. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  618. var _nextParentRow = null;
  619. for (var i = 0; i < _parentColumn.rows().length; i++) {
  620. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  621. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  622. _nextParentRow = _parentColumn.rows()[i + 1];
  623. }
  624. break;
  625. }
  626. _nextParentRow = _parentColumn.rows()[i];
  627. }
  628. if (_nextParentRow != null) {
  629. return _nextParentRow.widgets()[0];
  630. }
  631. }
  632. }
  633. return null;
  634. }
  635. self.getWidgetPredecessor = function (widget_id) {
  636. return self.getWidgetRelative(widget_id, true);
  637. }
  638. self.getWidgetSuccessor = function (widget_id) {
  639. return self.getWidgetRelative(widget_id, false);
  640. }
  641. self.isRowAfterFork = function (row) {
  642. var _parentColumn = self.getRowParentColumn(row.id());
  643. var _prevRow = null;
  644. for (var i = 0; i < _parentColumn.rows().length; i++) {
  645. var _currentRow = _parentColumn.rows()[i];
  646. if (_currentRow.id() == row.id()) {
  647. break;
  648. }
  649. _prevRow = _currentRow;
  650. }
  651. if (_prevRow != null) {
  652. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  653. }
  654. return false;
  655. }
  656. self.isRowBeforeJoin = function (row) {
  657. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  658. }
  659. self.getNextRow = function (row) {
  660. var _parentColumn = self.getRowParentColumn(row.id());
  661. var _nextParentRow = null;
  662. for (var i = 0; i < _parentColumn.rows().length; i++) {
  663. if (_parentColumn.rows()[i].id() == row.id()) {
  664. if (_parentColumn.rows().length >= i + 1) {
  665. _nextParentRow = _parentColumn.rows()[i + 1];
  666. }
  667. break;
  668. }
  669. _nextParentRow = _parentColumn.rows()[i];
  670. }
  671. return _nextParentRow;
  672. }
  673. self.getPrevRow = function (row) {
  674. var _parentColumn = self.getRowParentColumn(row.id());
  675. var _prevParentRow = null;
  676. for (var i = 0; i < _parentColumn.rows().length; i++) {
  677. if (_parentColumn.rows()[i].id() == row.id()) {
  678. if (i > 0) {
  679. _prevParentRow = _parentColumn.rows()[i - 1];
  680. }
  681. break;
  682. }
  683. _prevParentRow = _parentColumn.rows()[i];
  684. }
  685. return _prevParentRow;
  686. }
  687. self.getWidgetParentRow = function (widget_id) {
  688. var _row = null;
  689. for (var i = 0; i < self.columns().length; i++) {
  690. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  691. if (_row != null) {
  692. break;
  693. }
  694. }
  695. return _row;
  696. }
  697. self.getRowParentColumn = function (row_id) {
  698. return self.traverseColumnForColumn(row_id, self.columns()[0], 0);
  699. }
  700. self.getColumnParentRow = function (col_id) {
  701. return self.traverseColumnForRow(col_id, self.columns()[0], 0);
  702. }
  703. self.getRowParentRow = function (row_id) {
  704. var _col = self.getRowParentColumn(row_id);
  705. if (_col != null) {
  706. return self.getColumnParentRow(_col.id());
  707. }
  708. }
  709. self.traverseColumnForColumn = function (row_id, col) {
  710. var _column = null;
  711. if (col) {
  712. for (var j = 0; j < col.rows().length; j++) {
  713. var row = col.rows()[j];
  714. for (var z = 0; z < row.columns().length; z++) {
  715. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  716. if (_column != null) {
  717. return _column;
  718. }
  719. }
  720. if (row.id() == row_id) {
  721. _column = col;
  722. return _column;
  723. }
  724. }
  725. }
  726. return _column;
  727. }
  728. self.traverseColumnForRow = function (col_id, col) {
  729. var _row = null;
  730. if (col) {
  731. for (var j = 0; j < col.rows().length; j++) {
  732. var row = col.rows()[j];
  733. for (var z = 0; z < row.columns().length; z++) {
  734. var _col = row.columns()[z];
  735. if (_col.id() == col_id) {
  736. _row = row;
  737. }
  738. else {
  739. _row = self.traverseColumnForRow(col_id, _col);
  740. }
  741. if (_row != null) {
  742. return _row;
  743. }
  744. }
  745. }
  746. }
  747. return _row;
  748. }
  749. self.traverseColumnForWidget = function (widget_id, col) {
  750. var _row = null;
  751. if (col) {
  752. for (var j = 0; j < col.rows().length; j++) {
  753. var row = col.rows()[j];
  754. for (var z = 0; z < row.widgets().length; z++) {
  755. var widget = row.widgets()[z];
  756. if (widget.id() == widget_id) {
  757. _row = row;
  758. break;
  759. }
  760. }
  761. if (_row != null) {
  762. break;
  763. }
  764. for (var z = 0; z < row.columns().length; z++) {
  765. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  766. if (_row != null) {
  767. break;
  768. }
  769. }
  770. }
  771. }
  772. return _row;
  773. }
  774. self.convertToDecision = function (widget, node) {
  775. if (widget.widgetType() == "fork-widget") {
  776. var _row = self.getWidgetParentRow(widget.id());
  777. var _next = self.getNextRow(_row);
  778. while (_next.widgets().length == 0) {
  779. _next = self.getNextRow(_next);
  780. }
  781. // Remove the join
  782. self.workflow.removeNode(_next.widgets()[0].id());
  783. self.removeWidgetById(_next.widgets()[0].id());
  784. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  785. widget.widgetType("decision-widget");
  786. node.type("decision-widget");
  787. var _newName = "decision-" + node.id().slice(0, 4);
  788. node.name(_newName);
  789. widget.name(_newName);
  790. $(document).trigger("drawArrows");
  791. }
  792. }
  793. self.save = function () {
  794. $.post("/oozie/editor/workflow/save/", {
  795. "layout": ko.mapping.toJSON(self.columns),
  796. "workflow": ko.mapping.toJSON(self.workflow)
  797. }, function (data) {
  798. if (data.status == 0) {
  799. self.workflow.id(data.id);
  800. $(document).trigger("info", data.message);
  801. if (window.location.search.indexOf("workflow") == -1) {
  802. window.location.hash = '#workflow=' + data.id;
  803. }
  804. }
  805. else {
  806. $(document).trigger("error", data.message);
  807. }
  808. }).fail(function (xhr, textStatus, errorThrown) {
  809. $(document).trigger("error", xhr.responseText);
  810. });
  811. };
  812. self.gen_xml = function () {
  813. $.post("/oozie/editor/workflow/gen_xml/", {
  814. "layout": ko.mapping.toJSON(self.columns),
  815. "workflow": ko.mapping.toJSON(self.workflow)
  816. }, function (data) {
  817. if (data.status == 0) {
  818. console.log(data.xml);
  819. }
  820. else {
  821. $(document).trigger("error", data.message);
  822. }
  823. }).fail(function (xhr, textStatus, errorThrown) {
  824. $(document).trigger("error", xhr.responseText);
  825. });
  826. };
  827. self.import_workflows = function () {
  828. $.post("/oozie/editor/workflow/import_workflows/", {
  829. }, function (data) {
  830. if (data.status == 0) {
  831. console.log(data.json);
  832. }
  833. else {
  834. $(document).trigger("error", data.message);
  835. }
  836. }).fail(function (xhr, textStatus, errorThrown) {
  837. $(document).trigger("error", xhr.responseText);
  838. });
  839. };
  840. self.showSubmitPopup = function () {
  841. // If self.workflow.id() == null, need to save wf for now
  842. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  843. }, function (data) {
  844. $(document).trigger("showSubmitPopup", data);
  845. }).fail(function (xhr, textStatus, errorThrown) {
  846. $(document).trigger("error", xhr.responseText);
  847. });
  848. };
  849. function bareWidgetBuilder(name, type) {
  850. return new Widget({
  851. size: 12,
  852. id: "",
  853. name: name,
  854. widgetType: type
  855. });
  856. }
  857. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  858. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  859. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  860. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  861. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  862. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  863. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  864. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  865. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  866. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  867. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  868. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  869. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  870. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  871. };