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Re: Task Human - Parameter Mapping
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created by <a href="https://community.jboss.org/people/devilkazuya99">TC ONG</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/729764#729764">View the full discussion</a>
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<div class="jive-rendered-content"><p>I figured it out now. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Step 1: Create a variable in your process. (I use userComms, it's my POJO)</p><p><a href="https://community.jboss.org/servlet/JiveServlet/showImage/2-729764-18391/Screen+shot+2012-04-13+at+1.27.17+PM.png"><span> https://community.jboss.org/servlet/JiveServlet/downloadImage/2-729764-18391/310-158/Screen+shot+2012-04-13+at+1.27.17+PM.png </span></a></p><p>Step 2: In the Human Task Parameter Mapping, map my variable to "Content". </p><p><span>(I always have this problem doing this. See </span><a class="jive-link-external-small" href="https://community.jboss.org/message/729763#729763#729763" target="_blank">https://community.jboss.org/message/729763#729763</a><span> )</span></p><p><a href="https://community.jboss.org/servlet/JiveServlet/showImage/2-729764-18392/Screen+shot+2012-04-13+at+1.29.21+PM.png"><span> https://community.jboss.org/servlet/JiveServlet/downloadImage/2-729764-18392/450-113/Screen+shot+2012-04-13+at+1.29.21+PM.png </span></a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Step 3: [Optional] In the On Entry Action of the Human Task, I set the value of my POJO. You can do it any way you like.</p><p>Question: is the kcontext.setVariable() necessary? </p><blockquote class="jive-quote"><p class="p1">userComms = <span class="s1"><strong>new</strong></span> UserComms();</p><p class="p1">userComms.setQuestion(<span class="s2">"Hello World~!"</span>);</p><p class="p2" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="p1">kcontext.setVariable(<span class="s2">"userComms"</span>, userComms);</p></blockquote><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Step 4: Compile and run our process.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Step 5: Accessing your variable from the task's "Content"</p><blockquote class="jive-quote"><p class="p1">                              BlockingGetTaskResponseHandler taskResponseHandler = <span class="s1">new</span> BlockingGetTaskResponseHandler();</p><p class="p1">                              taskClient.getTask(task1.getId(), taskResponseHandler);</p><p class="p1">                              Task task = taskResponseHandler.getTask();</p><p class="p1">                              <span class="s1">long</span> documentContentId = task.getTaskData().getDocumentContentId();</p><p class="p2">  </p><p class="p1">                              UserComms userComms = <span class="s1">new</span> UserComms();</p><p class="p1">                              BlockingGetContentResponseHandler contentResponseHandler = <span class="s1">new</span> BlockingGetContentResponseHandler();</p><p class="p1">                              taskClient.getContent(documentContentId, contentResponseHandler);</p><p class="p1">                              Content content = contentResponseHandler.getContent();</p><p class="p2">            </p><p class="p1">            <span class="s1">if</span> (content != <span class="s1">null</span>){</p><p class="p1">                ByteArrayInputStream bais = <span class="s1">new</span> ByteArrayInputStream(content.getContent());</p><p class="p1">                ObjectInputStream ois;</p><p class="p2" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="p1">                <span class="s1">try</span> {</p><p class="p1">                    ois = <span class="s1">new</span> ObjectInputStream(bais);</p><p class="p1">                    Object obj = ois.readObject();</p><p class="p1">                    System.<span class="s2">out</span>.println(<span class="s3">"Object = "</span> + obj.getClass());  // will return an empty string if not mapped properly</p><p class="p1">                    <span class="s1">if</span>(obj <span class="s1">instanceof</span> UserComms) {</p><p class="p1">                        userComms =(UserComms) obj;</p><p class="p1">                        System.<span class="s2">out</span>.println(userComms.getQuestion());</p><p class="p1">                    }</p><p class="p1">                } <span class="s1">catch</span> (IOException e) {</p><p class="p1">                    e.printStackTrace();</p><p class="p1">               } <span class="s1">catch</span> (ClassNotFoundException e) {</p><p class="p1">                    e.printStackTrace();</p><p class="p2" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="p1">                }</p><p class="p1">            }</p></blockquote><p class="p1" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="p1">And I got my POJO from the Content.</p><p class="p1">Happy. <span> :) </span></p></div>
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