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jBPM5.1 : Setting Process Variable from code(Using API)
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created by <a href="http://community.jboss.org/people/sandeepsapra">Sandeep Sapra</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/635990#635990">View the full discussion</a>
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<div class="jive-rendered-content"><p><span style="text-decoration: underline; color: #0000ff;"><strong>Description :</strong></span></p><p>I am trying to create a business process having two tasks :</p><p>a) Enter Comments Task to be entered by author and </p><p>b) Verify comments Task : To approve or reject comments entered by author.</p><p>If the comments are approved the process will end and if it is rejected , control will flow back to user task to enter comments by author.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Approve is set in BPMN by setting a process variable : approvalStatus as 1 and for reject it i set to 0.</p><p>Eg:</p><p><span> <conditionExpression xsi:type="tFormalExpression" language="</span><a class="jive-link-external-small" href="http://www.java.com/java" target="_blank">http://www.java.com/java</a><span>" ></span></p><p>return approvalStatus.equals("1"); </p><p></conditionExpression></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="text-decoration: underline; color: #0000ff;"><strong>Problem:</strong></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>While starting the process, approvalStatus is set to 0 intially as :</p><p>            Map<String, Object> params = new HashMap<String, Object>();</p><p>            params.put("approvalStatus", "0");          </p><p>         // start a new process instance</p><p>            pi = ksession.startProcess("com.sample.bpmn.comments",params);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am then trying to set the process variable as 1 or 0 (depending on approve or reject) inside the code , but the same is not happening.</p><p><span style="color: #ff0000;"><strong>Can anyone please tell if I am missing something or is there any other way to do so?</strong></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="text-decoration: underline; color: #0000ff;"><strong>Code Snippet:</strong></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>//Some Code here.....................</p><p>   String approvalStatusValue="0";</p><p>   if(isCommentsApproved)</p><p>              approvalStatusValue="1";</p><p>  else</p><p>      approvalStatusValue="0";</p><p>             </p><p>                Map<String, Object> results = new HashMap<String, Object>();</p><p>                results.put("approvalStatus", approvalStatusValue);</p><p>                ContentData contentData = new ContentData();</p><p>                contentData = new ContentData();</p><p>                contentData.setAccessType(AccessType.Inline);</p><p>                ByteArrayOutputStream bos = new ByteArrayOutputStream();</p><p>                ObjectOutputStream out;</p><p>                try {</p><p>                    out = new ObjectOutputStream(bos);</p><p>                    out.writeObject(results);</p><p>                    out.close();</p><p>                    contentData = new ContentData();</p><p>                    contentData.setContent(bos.toByteArray());</p><p>                    contentData.setAccessType(AccessType.Inline);</p><p>                } catch (IOException e) {</p><p>                    e.printStackTrace();</p><p>                }</p><p>                </p><p>                </p><p>                taskClient.complete(task1.getId(), "mary", contentData, taskOperationHandler);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks and Regards,</p><p>Sandeep</p></div>
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