camunda-overlay/sentiment-analysis.bpmn

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="Definitions_0co5an7" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="2.0.3">
   3   <bpmn:collaboration id="Collaboration">
   4     <bpmn:participant id="Sentiment_Analysis" name="Sentiment Analysis" processRef="sentiment-analysis" />
   5   </bpmn:collaboration>
   6   <bpmn:process id="sentiment-analysis" name="Sentiment Analysis" isExecutable="true" camunda:versionTag="0.0.1">
   7     <bpmn:laneSet id="LaneSet_1u08y0e" />
   8     <bpmn:sequenceFlow id="SequenceFlow_14nqu0e" sourceRef="service-report" targetRef="Task_1e7059p" />
   9     <bpmn:sequenceFlow id="SequenceFlow_0jebdb9" sourceRef="Task_1e7059p" targetRef="EndEvent_0bmuv13" />
  10     <bpmn:sequenceFlow id="SequenceFlow_15dip2q" sourceRef="StartEvent_1t6nxib" targetRef="terms_loop" />
  11     <bpmn:sequenceFlow id="SequenceFlow_1j2y6tv" sourceRef="terms_loop" targetRef="service-report" />
  12     <bpmn:startEvent id="StartEvent_1t6nxib" camunda:formKey="embedded:deployment:input-terms.html">
  13       <bpmn:extensionElements>
  14         <camunda:executionListener event="start">
  15           <camunda:script scriptFormat="javascript">// make variable global
  16 execution.setVariable("results", S('[]'))</camunda:script>
  17         </camunda:executionListener>
  18       </bpmn:extensionElements>
  19       <bpmn:outgoing>SequenceFlow_15dip2q</bpmn:outgoing>
  20     </bpmn:startEvent>
  21     <bpmn:subProcess id="terms_loop">
  22       <bpmn:extensionElements>
  23         <camunda:executionListener event="start">
  24           <camunda:script scriptFormat="javascript">// make variables local to loop
  25 execution.setVariable("analysis", 0, "terms_loop");
  26 execution.setVariable('tweets', S('[]'), "terms_loop");</camunda:script>
  27         </camunda:executionListener>
  28         <camunda:executionListener event="end">
  29           <camunda:script scriptFormat="javascript">var results = execution.getVariable("results");
  30 var term = execution.getVariable("term");
  31 var analysis = execution.getVariable("analysis");
  32 var termStr = term.prop('term').value();
  33
  34 // this is for dictionary
  35 //results.prop(termStr, analysis);
  36 // this is for list
  37 var item = {};
  38 item["name"] = termStr;
  39 item["sentiment"] = analysis;
  40 results.append(item)
  41
  42 execution.setVariable("results", S(results))</camunda:script>
  43         </camunda:executionListener>
  44       </bpmn:extensionElements>
  45       <bpmn:incoming>SequenceFlow_15dip2q</bpmn:incoming>
  46       <bpmn:outgoing>SequenceFlow_1j2y6tv</bpmn:outgoing>
  47       <bpmn:multiInstanceLoopCharacteristics camunda:collection="${terms.elements()}" camunda:elementVariable="term" />
  48       <bpmn:serviceTask id="service-analysis" name="Analysis Service">
  49         <bpmn:extensionElements>
  50           <camunda:connector>
  51             <camunda:inputOutput>
  52               <camunda:inputParameter name="url">http://analysis:8081/</camunda:inputParameter>
  53               <camunda:inputParameter name="method">POST</camunda:inputParameter>
  54               <camunda:inputParameter name="headers">
  55                 <camunda:map>
  56                   <camunda:entry key="Accept">application/json</camunda:entry>
  57                   <camunda:entry key="Content-Type">application/json</camunda:entry>
  58                 </camunda:map>
  59               </camunda:inputParameter>
  60               <camunda:inputParameter name="payload">${tweets.toString()}</camunda:inputParameter>
  61               <camunda:outputParameter name="analysis">
  62                 <camunda:script scriptFormat="Javascript">var response = connector.getVariable("response");
  63 response.trim()</camunda:script>
  64               </camunda:outputParameter>
  65             </camunda:inputOutput>
  66             <camunda:connectorId>http-connector</camunda:connectorId>
  67           </camunda:connector>
  68         </bpmn:extensionElements>
  69         <bpmn:incoming>SequenceFlow_0g6bfz6</bpmn:incoming>
  70         <bpmn:outgoing>SequenceFlow_1bz7zx2</bpmn:outgoing>
  71       </bpmn:serviceTask>
  72       <bpmn:serviceTask id="service-twitter" name="Twitter Service">
  73         <bpmn:extensionElements>
  74           <camunda:connector>
  75             <camunda:inputOutput>
  76               <camunda:inputParameter name="url">
  77                 <camunda:script scriptFormat="Javascript">var term = execution.getVariable("term");
  78 'http://twitter:8084/search/tweets.json?q='+term.prop('term').value()</camunda:script>
  79               </camunda:inputParameter>
  80               <camunda:inputParameter name="method">GET</camunda:inputParameter>
  81               <camunda:inputParameter name="headers">
  82                 <camunda:map>
  83                   <camunda:entry key="Accept">application/json</camunda:entry>
  84                 </camunda:map>
  85               </camunda:inputParameter>
  86               <camunda:outputParameter name="tweets">
  87                 <camunda:script scriptFormat="Javascript">var response = connector.getVariable("response");
  88 S(response);</camunda:script>
  89               </camunda:outputParameter>
  90             </camunda:inputOutput>
  91             <camunda:connectorId>http-connector</camunda:connectorId>
  92           </camunda:connector>
  93         </bpmn:extensionElements>
  94         <bpmn:incoming>SequenceFlow_0f6v4j4</bpmn:incoming>
  95         <bpmn:outgoing>SequenceFlow_0g6bfz6</bpmn:outgoing>
  96       </bpmn:serviceTask>
  97       <bpmn:startEvent id="StartEvent_parsing_term">
  98         <bpmn:outgoing>SequenceFlow_0f6v4j4</bpmn:outgoing>
  99       </bpmn:startEvent>
 100       <bpmn:sequenceFlow id="SequenceFlow_0f6v4j4" sourceRef="StartEvent_parsing_term" targetRef="service-twitter" />
 101       <bpmn:sequenceFlow id="SequenceFlow_0g6bfz6" sourceRef="service-twitter" targetRef="service-analysis" />
 102       <bpmn:sequenceFlow id="SequenceFlow_1bz7zx2" sourceRef="service-analysis" targetRef="EndEvent_parsing_term" />
 103       <bpmn:endEvent id="EndEvent_parsing_term">
 104         <bpmn:incoming>SequenceFlow_1bz7zx2</bpmn:incoming>
 105       </bpmn:endEvent>
 106     </bpmn:subProcess>
 107     <bpmn:endEvent id="EndEvent_0bmuv13">
 108       <bpmn:incoming>SequenceFlow_0jebdb9</bpmn:incoming>
 109     </bpmn:endEvent>
 110     <bpmn:serviceTask id="service-report" name="Report Service">
 111       <bpmn:extensionElements>
 112         <camunda:connector>
 113           <camunda:inputOutput>
 114             <camunda:inputParameter name="url">http://reporting:8083/generatePDF/</camunda:inputParameter>
 115             <camunda:inputParameter name="method">POST</camunda:inputParameter>
 116             <camunda:inputParameter name="headers">
 117               <camunda:map>
 118                 <camunda:entry key="Accept">application/base64</camunda:entry>
 119                 <camunda:entry key="Content-Type">application/json</camunda:entry>
 120               </camunda:map>
 121             </camunda:inputParameter>
 122             <camunda:inputParameter name="payload">${results.toString()}</camunda:inputParameter>
 123             <camunda:outputParameter name="reportPDF">
 124               <camunda:script scriptFormat="javascript">var response = connector.getVariable("response");
 125 // from nodejs base64 package
 126 var lookup = []
 127 var revLookup = []
 128 var javaByteArray = Java.type('byte[]')
 129
 130 var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
 131 for (var i = 0, len = code.length; i &lt; len; ++i) {
 132   lookup[i] = code[i]
 133   revLookup[code.charCodeAt(i)] = i
 134 }
 135
 136 // Support decoding URL-safe base64 strings, as Node.js does.
 137 // See: https://en.wikipedia.org/wiki/Base64#URL_applications
 138 revLookup['-'.charCodeAt(0)] = 62
 139 revLookup['_'.charCodeAt(0)] = 63
 140
 141 function getLens (b64) {
 142   var len = b64.length
 143
 144   if (len % 4 &gt; 0) {
 145     throw new Error('Invalid string. Length must be a multiple of 4: '+b64)
 146   }
 147
 148   // Trim off extra bytes after placeholder bytes are found
 149   // See: https://github.com/beatgammit/base64-js/issues/42
 150   var validLen = b64.indexOf('=')
 151   if (validLen === -1) validLen = len
 152
 153   var placeHoldersLen = validLen === len
 154     ? 0
 155     : 4 - (validLen % 4)
 156
 157   return [validLen, placeHoldersLen]
 158 }
 159
 160 function _byteLength (b64, validLen, placeHoldersLen) {
 161   return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
 162 }
 163
 164 function toByteArray (b64) {
 165   var tmp
 166   var lens = getLens(b64)
 167   var validLen = lens[0]
 168   var placeHoldersLen = lens[1]
 169
 170   var arr = new javaByteArray(_byteLength(b64, validLen, placeHoldersLen))
 171
 172   var curByte = 0
 173
 174   // if there are placeholders, only get up to the last complete 4 chars
 175   var len = placeHoldersLen &gt; 0
 176     ? validLen - 4
 177     : validLen
 178
 179   for (var i = 0; i &lt; len; i += 4) {
 180     tmp =
 181       (revLookup[b64.charCodeAt(i)] &lt;&lt; 18) |
 182       (revLookup[b64.charCodeAt(i + 1)] &lt;&lt; 12) |
 183       (revLookup[b64.charCodeAt(i + 2)] &lt;&lt; 6) |
 184       revLookup[b64.charCodeAt(i + 3)]
 185     arr[curByte++] = (tmp &gt;&gt; 16) &amp; 0xFF
 186     arr[curByte++] = (tmp &gt;&gt; 8) &amp; 0xFF
 187     arr[curByte++] = tmp &amp; 0xFF
 188   }
 189
 190   if (placeHoldersLen === 2) {
 191     tmp =
 192       (revLookup[b64.charCodeAt(i)] &lt;&lt; 2) |
 193       (revLookup[b64.charCodeAt(i + 1)] &gt;&gt; 4)
 194     arr[curByte++] = tmp &amp; 0xFF
 195   }
 196
 197   if (placeHoldersLen === 1) {
 198     tmp =
 199       (revLookup[b64.charCodeAt(i)] &lt;&lt; 10) |
 200       (revLookup[b64.charCodeAt(i + 1)] &lt;&lt; 4) |
 201       (revLookup[b64.charCodeAt(i + 2)] &gt;&gt; 2)
 202     arr[curByte++] = (tmp &gt;&gt; 8) &amp; 0xFF
 203     arr[curByte++] = tmp &amp; 0xFF
 204   }
 205
 206   return arr
 207 }
 208
 209 var source = "kP/+kA==";
 210 var decoded = toByteArray(source);
 211 //decoded
 212 var file = Java.type('org.camunda.bpm.engine.variable.Variables').fileValue("pdfTest").file(toByteArray(response)).mimeType('application/pdf').create()
 213 file
 214 </camunda:script>
 215             </camunda:outputParameter>
 216           </camunda:inputOutput>
 217           <camunda:connectorId>http-connector</camunda:connectorId>
 218         </camunda:connector>
 219       </bpmn:extensionElements>
 220       <bpmn:incoming>SequenceFlow_1j2y6tv</bpmn:incoming>
 221       <bpmn:outgoing>SequenceFlow_14nqu0e</bpmn:outgoing>
 222     </bpmn:serviceTask>
 223     <bpmn:userTask id="Task_1e7059p" name="download pdf" camunda:formKey="embedded:deployment:download-pdf.html">
 224       <bpmn:incoming>SequenceFlow_14nqu0e</bpmn:incoming>
 225       <bpmn:outgoing>SequenceFlow_0jebdb9</bpmn:outgoing>
 226     </bpmn:userTask>
 227   </bpmn:process>
 228   <bpmndi:BPMNDiagram id="BPMNDiagram_1">
 229     <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Collaboration">
 230       <bpmndi:BPMNShape id="Participant_0gzc3m9_di" bpmnElement="Sentiment_Analysis">
 231         <dc:Bounds x="0" y="0" width="1084" height="202" />
 232       </bpmndi:BPMNShape>
 233       <bpmndi:BPMNShape id="SubProcess_1skl2rb_di" bpmnElement="terms_loop" isExpanded="true">
 234         <dc:Bounds x="135" y="19" width="443" height="163" />
 235       </bpmndi:BPMNShape>
 236       <bpmndi:BPMNShape id="ServiceTask_01bq7a6_di" bpmnElement="service-analysis">
 237         <dc:Bounds x="381" y="60" width="100" height="80" />
 238       </bpmndi:BPMNShape>
 239       <bpmndi:BPMNShape id="ServiceTask_1o2usc9_di" bpmnElement="service-twitter">
 240         <dc:Bounds x="230" y="60" width="100" height="80" />
 241       </bpmndi:BPMNShape>
 242       <bpmndi:BPMNShape id="StartEvent_1nx6b6f_di" bpmnElement="StartEvent_parsing_term">
 243         <dc:Bounds x="156" y="82" width="36" height="36" />
 244       </bpmndi:BPMNShape>
 245       <bpmndi:BPMNEdge id="SequenceFlow_0f6v4j4_di" bpmnElement="SequenceFlow_0f6v4j4">
 246         <di:waypoint x="192" y="100" />
 247         <di:waypoint x="230" y="100" />
 248       </bpmndi:BPMNEdge>
 249       <bpmndi:BPMNEdge id="SequenceFlow_0g6bfz6_di" bpmnElement="SequenceFlow_0g6bfz6">
 250         <di:waypoint x="330" y="100" />
 251         <di:waypoint x="381" y="100" />
 252       </bpmndi:BPMNEdge>
 253       <bpmndi:BPMNEdge id="SequenceFlow_1bz7zx2_di" bpmnElement="SequenceFlow_1bz7zx2">
 254         <di:waypoint x="481" y="100" />
 255         <di:waypoint x="516" y="100" />
 256       </bpmndi:BPMNEdge>
 257       <bpmndi:BPMNShape id="StartEvent_1t6nxib_di" bpmnElement="StartEvent_1t6nxib">
 258         <dc:Bounds x="56" y="83" width="36" height="36" />
 259       </bpmndi:BPMNShape>
 260       <bpmndi:BPMNShape id="ServiceTask_1gaqtzh_di" bpmnElement="service-report">
 261         <dc:Bounds x="619" y="61" width="100" height="80" />
 262       </bpmndi:BPMNShape>
 263       <bpmndi:BPMNShape id="UserTask_0iooc2g_di" bpmnElement="Task_1e7059p">
 264         <dc:Bounds x="766" y="61" width="100" height="80" />
 265       </bpmndi:BPMNShape>
 266       <bpmndi:BPMNShape id="EndEvent_0bmuv13_di" bpmnElement="EndEvent_0bmuv13">
 267         <dc:Bounds x="1024" y="83" width="36" height="36" />
 268       </bpmndi:BPMNShape>
 269       <bpmndi:BPMNEdge id="SequenceFlow_14nqu0e_di" bpmnElement="SequenceFlow_14nqu0e">
 270         <di:waypoint x="719" y="101" />
 271         <di:waypoint x="766" y="101" />
 272       </bpmndi:BPMNEdge>
 273       <bpmndi:BPMNEdge id="SequenceFlow_0jebdb9_di" bpmnElement="SequenceFlow_0jebdb9">
 274         <di:waypoint x="866" y="101" />
 275         <di:waypoint x="1024" y="101" />
 276       </bpmndi:BPMNEdge>
 277       <bpmndi:BPMNEdge id="SequenceFlow_15dip2q_di" bpmnElement="SequenceFlow_15dip2q">
 278         <di:waypoint x="92" y="101" />
 279         <di:waypoint x="135" y="101" />
 280       </bpmndi:BPMNEdge>
 281       <bpmndi:BPMNEdge id="SequenceFlow_1j2y6tv_di" bpmnElement="SequenceFlow_1j2y6tv">
 282         <di:waypoint x="578" y="101" />
 283         <di:waypoint x="619" y="101" />
 284       </bpmndi:BPMNEdge>
 285       <bpmndi:BPMNShape id="EndEvent_07g109m_di" bpmnElement="EndEvent_parsing_term">
 286         <dc:Bounds x="516" y="82" width="36" height="36" />
 287       </bpmndi:BPMNShape>
 288     </bpmndi:BPMNPlane>
 289   </bpmndi:BPMNDiagram>
 290 </bpmn:definitions>