spark.vm.js 9.2 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. var Result = function (snippet, result) {
  17. var self = this;
  18. self.id = ko.observable(typeof result.id != "undefined" && result.id != "undefined" && result.id != null ? result.id : UUID());
  19. self.type = ko.observable(typeof result.type != "undefined" && result.type != "undefined" && result.type != null ? result.type : 'table');
  20. self.handle = ko.observable({});
  21. self.meta = ko.mapping.fromJS(typeof result.meta != "undefined" && result.meta != null ? result.meta : []);
  22. self.data = ko.mapping.fromJS(typeof result.data != "undefined" && result.data != null ? result.data : []);
  23. if (typeof result.handle!= "undefined" && result.handle != null) {
  24. $.each(result.handle, function(key, val) {
  25. self.handle()[key] = val;
  26. });
  27. }
  28. self.clear = function() {
  29. $.each(self.handle, function(key, val) {
  30. delete self.handle()[key];
  31. });
  32. self.meta.removeAll();
  33. self.data.removeAll();
  34. };
  35. }
  36. var TYPE_EDITOR_MAP = {
  37. 'hive': 'text/x-hiveql',
  38. 'impala': 'text/x-impalaql',
  39. 'python': 'text/x-python',
  40. 'scala': 'text/x-scala',
  41. 'pig': 'text/x-pig'
  42. }
  43. var Snippet = function (notebook, snippet) {
  44. var self = this;
  45. self.id = ko.observable(typeof snippet.id != "undefined" && snippet.id != null ? snippet.id : UUID());
  46. self.type = ko.observable(typeof snippet.type != "undefined" && snippet.type != null ? snippet.type : "hive");
  47. self.editorMode = ko.observable(TYPE_EDITOR_MAP[self.type()]);
  48. self.statement = ko.observable(typeof snippet.statement != "undefined" && snippet.statement != null ? snippet.statement : '');
  49. self.statement = ko.observable("");
  50. self.status = ko.observable("loading");
  51. self.size = ko.observable(typeof snippet.size != "undefined" && snippet.size != null ? snippet.size : 12).extend({ numeric: 0 });
  52. self.offset = ko.observable(typeof snippet.offset != "undefined" && snippet.offset != null ? snippet.offset : 0).extend({ numeric: 0 });
  53. self.isLoading = ko.computed(function(){
  54. return self.status() == "loading";
  55. });
  56. self.klass = ko.computed(function () {
  57. return "snippet card card-widget";
  58. });
  59. self.editorKlass = ko.computed(function(){
  60. return "editor span" + self.size() + (self.offset() * 1 > 0 ? " offset" + self.offset() : "");
  61. });
  62. self.resultsKlass = ko.computed(function(){
  63. return "results " + self.type();
  64. });
  65. self.expand = function () {
  66. self.size(self.size() + 1);
  67. $("#snippet_" + self.id()).trigger("resize");
  68. }
  69. self.compress = function () {
  70. self.size(self.size() - 1);
  71. $("#snippet_" + self.id()).trigger("resize");
  72. }
  73. self.moveLeft = function () {
  74. self.offset(self.offset() - 1);
  75. }
  76. self.moveRight = function () {
  77. self.offset(self.offset() + 1);
  78. }
  79. self.remove = function (notebook, snippet) {
  80. notebook.snippets.remove(snippet);
  81. }
  82. self.result = new Result(snippet, snippet.result);
  83. // init()
  84. // checkStatus()
  85. self.create_session = function() {
  86. $.post("/spark/api/create_session", {
  87. notebook: ko.mapping.toJSON(notebook),
  88. snippet: ko.mapping.toJSON(self)
  89. }, function (data) {
  90. if (data.status == 0) {
  91. notebook.sessions.push(ko.mapping.fromJS(data.session));
  92. self.status('ready');
  93. }
  94. else {
  95. $(document).trigger("error", data.message);
  96. }
  97. }).fail(function (xhr, textStatus, errorThrown) {
  98. $(document).trigger("error", xhr.responseText);
  99. });
  100. };
  101. self.execute = function() {
  102. $(".jHueNotify").hide();
  103. logGA('/execute/' + self.type());
  104. self.result.clear();
  105. self.status('running');
  106. $.post("/spark/api/execute", {
  107. notebook: ko.mapping.toJSON(notebook),
  108. snippet: ko.mapping.toJSON(self)
  109. }, function (data) {
  110. if (data.status == 0) {
  111. $.each(data.handle, function(key, val) {
  112. self.result.handle()[key] = val;
  113. });
  114. self.checkStatus();
  115. }
  116. else {
  117. $(document).trigger("error", data.message);
  118. }
  119. }).fail(function (xhr, textStatus, errorThrown) {
  120. $(document).trigger("error", xhr.responseText);
  121. });
  122. };
  123. self.checkStatus = function() {
  124. $.post("/spark/api/check_status", {
  125. notebook: ko.mapping.toJSON(notebook),
  126. snippet: ko.mapping.toJSON(self)
  127. }, function (data) {
  128. if (data.status == 0) {
  129. self.status(data.query_status.status);
  130. if (self.status() == 'running') {
  131. setTimeout(self.checkStatus, 1000);
  132. } else {
  133. self.fetchResult();
  134. }
  135. }
  136. else {
  137. $(document).trigger("error", data.message);
  138. }
  139. }).fail(function (xhr, textStatus, errorThrown) {
  140. $(document).trigger("error", xhr.responseText);
  141. });
  142. };
  143. self.fetchResult = function() {
  144. $.post("/spark/api/fetch_result", {
  145. notebook: ko.mapping.toJSON(notebook),
  146. snippet: ko.mapping.toJSON(self)
  147. }, function (data) {
  148. if (data.status == 0) {
  149. self.result.meta(data.result.meta);
  150. self.result.data(data.result.data);
  151. // move resultsets to n rows
  152. // check if N rows fetched...
  153. }
  154. else {
  155. $(document).trigger("error", data.message);
  156. }
  157. }).fail(function (xhr, textStatus, errorThrown) {
  158. $(document).trigger("error", xhr.responseText);
  159. });
  160. };
  161. self.fetchResultMetadata = function() {
  162. };
  163. self.cancel = function() {
  164. };
  165. }
  166. var Notebook = function (vm, notebook) {
  167. var self = this;
  168. self.id = ko.observable(typeof notebook.id != "undefined" && notebook.id != null ? notebook.id : null);
  169. self.uuid = ko.observable(typeof notebook.uuid != "undefined" && notebook.uuid != null ? notebook.uuid : UUID());
  170. self.name = ko.observable(typeof notebook.name != "undefined" && notebook.name != null ? notebook.name : 'My Notebook');
  171. self.snippets = ko.observableArray();
  172. self.selectedSnippet = ko.observable('scala');
  173. self.availableSnippets = ko.observableArray(['hive', 'scala', 'sql', 'python', 'pig', 'impala']); // presto, mysql, oracle, sqlite, postgres, phoenix
  174. self.sessions = ko.mapping.fromJS(typeof notebook.sessions != "undefined" && notebook.sessions != null ? notebook.sessions : []);
  175. self.getSession = function(session_type) {
  176. var _s = null;
  177. $.each(self.sessions(), function (index, s) {
  178. if (s.type() == session_type) {
  179. _s = s;
  180. return false;
  181. }
  182. });
  183. return _s;
  184. };
  185. self.addSnippet = function(snippet) {
  186. var _snippet = new Snippet(self, snippet);
  187. self.snippets.push(_snippet);
  188. if (self.getSession(_snippet.type()) == null) {
  189. _snippet.create_session();
  190. }
  191. };
  192. self.newSnippet = function() {
  193. var snippet = new Snippet(self, {type: self.selectedSnippet()});
  194. self.snippets.push(snippet);
  195. if (self.getSession(self.selectedSnippet()) == null) {
  196. snippet.create_session();
  197. }
  198. };
  199. if (notebook.snippets) {
  200. $.each(notebook.snippets, function(index, snippet) {
  201. self.addSnippet(snippet);
  202. });
  203. }
  204. self.save = function () {
  205. $.post("/spark/api/notebook/save", {
  206. "notebook": ko.mapping.toJSON(self)
  207. }, function (data) {
  208. if (data.status == 0) {
  209. self.id(data.id);
  210. $(document).trigger("info", data.message);
  211. if (window.location.search.indexOf("notebook") == -1) {
  212. window.location.hash = '#notebook=' + data.id;
  213. }
  214. }
  215. else {
  216. $(document).trigger("error", data.message);
  217. }
  218. }).fail(function (xhr, textStatus, errorThrown) {
  219. $(document).trigger("error", xhr.responseText);
  220. });
  221. };
  222. }
  223. function EditorViewModel(notebooks) {
  224. var self = this;
  225. self.notebooks = ko.observableArray();
  226. self.selectedNotebook = ko.observable();
  227. self.isEditing = ko.observable(true);
  228. self.isEditing.subscribe(function(newVal){
  229. $(document).trigger("editingToggled");
  230. });
  231. self.toggleEditing = function () {
  232. self.isEditing(! self.isEditing());
  233. };
  234. self.init = function() {
  235. $.each(notebooks, function(index, notebook) {
  236. self.loadNotebook(notebook);
  237. if (self.selectedNotebook() == null){
  238. self.selectedNotebook(self.notebooks()[0]);
  239. }
  240. });
  241. };
  242. self.loadNotebook = function(notebook) {
  243. self.notebooks.push(new Notebook(self, notebook));
  244. };
  245. self.newNotebook = function() {
  246. self.notebooks.push(new Notebook(self, {}));
  247. self.selectedNotebook(self.notebooks()[self.notebooks().length - 1]);
  248. };
  249. self.saveNotebook = function() {
  250. self.selectedNotebook().save();
  251. };
  252. }
  253. function logGA(page) {
  254. if (typeof trackOnGA == 'function') {
  255. trackOnGA('editor/' + page);
  256. }
  257. }