11g: human task API

Please, tell me where can I find information about API for using human tasks in external user interface (non ADF). (for example, get list of assigned tasks to user, get assigned tasks information etc)
P.S. we are using SOA Suite 11g + BPM tier
Edited by: creed on 13.11.2010 14:33

The doc set for Fusion Middleware is at: http://download.oracle.com/docs/cd/E14571_01/index.htm
Documentation for Human Workflow in included in the Fusion Middleware Developer's Guide for Oracle SOA Suite: http://download.oracle.com/docs/cd/E14571_01/integration.1111/e10224/toc.htm
There's an overview of using the APIs in the section on Building a Custom Work List Client: http://download.oracle.com/docs/cd/E14571_01/integration.1111/e10224/bp_worklistcust.htm#BHAHBHID
Description of specific Human Workflow Services is at: http://download.oracle.com/docs/cd/E14571_01/integration.1111/e10224/bp_workflow.htm#BACHEFDH
Hope that helps.

Similar Messages

BPM 11g - Human task not removed when interrupting boundary event fired

In BPM 11g (11.1.1.1.3), I am testing a message catch event on the boundary of a human task. It is set for interrupting, so it should, when the event fires, remove the human task from the work list and follow the flow out of the event. The event flow is being followed, but the human task is being left active in the user's work list. I would expect the human task to be removed when the interrupting boundary message event occurs.
I think this is a bug, but would welcome any suggestions on how to solve it. Does anyone know if this works in the latest release (11.1.1.1.4)? We might upgrade pretty soon. Has anyone else tried boundary message events and gotten them to work properly in BPM 11g?
Just FYI....in order to make the BPM message event occur and provide instance correlation, we had to add a mediator and BPEL correlation. We followed process documented in a previous post to do this (http://blog.andrade.inf.br/2011/01/implementing-correlation-in-bpm-11gr1.html). Thanks to whomever posted that...it got us a few steps further along!

I do not think this is bug based on
Oracle® Fusion Middleware Modeling and Implementation Guide for Oracle Business Process Management
23.1.1 Understanding the Relationship Between SOA Composites and SOA Components
"In a similar way, when an interrupting timer or message boundary event arrives to a user task, the BPMN process instance leaves the user task but the associated Human Task remains available. Because the interrupting timer or message boundary event arrived before the user completes the user task, the human task remains unfinished, and you can still access it thought the Worklist application. However running that human task does not have any effect on the BPMN process."
This also gives us big trouble. I am looking for the solution.
Helen

11g Human Task; problem with Auto-Generate Task Form

Version: WebLogic Server 10.3.5.0 Fri Apr 1 20:20:06 PDT 2011 1398638
Using book: Getting Started with Oracle SOA 11g R1, A Hands-On Tutorial
Had success through Chapt 7. Now working through 8, Creating Human Tasks -- almost everything checks out.
Deployed POProcessing success (with 1 warning: assignee not specified)
Deployed ApproveTaskDetails (from Application menu) success
-Run the test tool in Enterprise Manager 11g
-Response looks according to book, using Launch Flow Trace button I see ManualPOApproval is in running state, as expected.
-Run Oracl BPM Worklist, log in according to book (weblogic)
-I can see the Approve Order line under the My Tasks tab
When I select the Approve Order line item, according to book I should see Approve Order Contents in the lower pane.
But the details never populate the pane and I see "Waiting for..." in Explorer status bar.
The logs are filling up with the following statement repeated about 2/second (from D:\oracle\Middleware\home_11gR1\user_projects\domains\domain1\servers\soa_server1\logs\access.log) ...
=====snippet begins======
0:0:0:0:0:0:0:1 - weblogic [21/Oct/2011:17:38:05 -0500] "GET /integration/worklistapp/faces/login.jspx?_afrLoop=2609043717008&_afrWindowMode=0&_adf.ctrl-state=bcqg1x7gm_9 HTTP/1.1" 200 5486
0:0:0:0:0:0:0:1 - - [21/Oct/2011:17:38:05 -0500] "GET /workflow/ApproveTaskDetails/faces/adf.task-flow?bpmWorklistTaskId=47d0f109-2de1-4851-a5cf-1c338050f3c2&bpmWorklistContext=b5d5e48b-9c54-4e3d-a707-19c9e99f618e%3B%3B4iKnpxQCfUvYnghbxihMXgZAOsVJ%2BqeiE79gFBzb%2BlKq9vlbpqV2%2FyQ21%2BLHnBcvJA6mBOoc238GDGR9odBPBE%2FZdeDrfVwfIUCOa%2Fsc%2BRRnmEkzS5f1mKd3oWpasvIhZDkCz5conIhVCKJvCxxz0i1NpCk9WWoVBHpUX39ayhF%2B0aI1p%2FGImOsYBEXDIBEDADen3JkeoewYEJwpVcQf6XzOA5rTEojcUHt28znFHboPdkJ8TW7jfvgQnHNRS5XB&bpmWorklistHttpURL=http%3A%2F%2Flocalhost%3A8001%2Fintegration%2Fworklistapp%2Ffaces&bpmWorklistHome=home.jspx&bpmWorklistReassign=reassignTask.jspx&bpmWorklistRoute=routeTask.jspx&bpmWorklistRequestInfo=requestInfo.jspx&bpmWorklistSecurity=signTask.jspx&tz=America%2FChicago&lg=en&cy=US&vr=&dispNameLg=en&dispNameCy=US&dispNameVr=&df=medium&dt=both&tf=short&bpmWorklistSessionTimeoutInterval=1500&bpmBrowserWindowStatus=taskFlowReturn&adf.tfDoc=%2FWEB-INF%2FManualPOApproval_TaskFlow.xml&adf.tfId=ManualPOApproval_TaskFlow&_task-flow-return=http%3A%2F%2Flocalhost%3A8001%2Fintegration%2Fworklistapp%2Ffaces%2Fadf.task-flow-return%3F_adf.ctrl-state%3Dbcqg1x7gm_49&_adf.winId=bcqg1x7gm_40&_afrLoop=4624989043858&_afrWindowMode=0&_afrWindowId=null HTTP/1.1" 200 5478
=====snippet ends======
Thanks for any assistance!
MichaelM

Resolved by disabling pop-up blocking in IE8.

Advanced human task routing on Oracle Bpm Suite 11g.

Hi
Do Oracle Bpm Suite 11g human tasks have concept of advanced routing of tasks ? For example if we have three groups of people, each of these groups have skills defined. And when task is created then the skills required fulfill the task (could be defined in task metadata) is compared against the three groups. The task is then assigned to the work queue of the most fitting group ?
So what I mean by this, is that you can specify rules which define which work queue (and multiple user can be assigned to the work queue) receives which tasks ?
Thank you for answering and I will gladly give more details regarding this issue...
Best Regards Tuomas Katva

I must disagree a little... Human task's have been separated from process logic and I think it reasonable. I don't think that routing logic belongs to the business process, ofcourse this just semantics but I think it would make separation of concerns more apparent. If the human task - service/manager could determine the routing logic (to whom the task is assigned) based on the parameters it receives, it would then make clear separation of logic: business process would handle the overall control flow and the human task manager would handle the human task flow.
What I'm asking is there some pattern or API or something that would allow for example skill based routing of task. I know that Bea Aqualogic had "parametrized roles" which allowed the task to be routed on runtime to a "dynamic role", and IBM has "Business categories" and "Workbaskets" which allows advanced routing of a task based on runtime properties. Let me give you an example:
Let's say we have two skill categories:
Language
Claim type (for example in insurance)
Applicant posts the claim and the insurance case is assessed by insurance handler. When the process flow comes to a human task it passes the claim's language and type of the claim to the human task manager. The human task manager would then determine who should handle this task. Let's say that Mike speaks spanish and has skills in car insurance claims. The human task manager would be responsible for determening that this task belongs to Mike (in case that the claim was in spanish and it was car insurance claim).
Is there any patterns or examples how this should be handled. I know this quite like case management but I think modern BPM's should be able to handle case management.
Thank you
Best Regards Tuomas Katva

Human Task Bulk API calls from ADF Entity Object

Dear all,
Jdev: 11.1.1.7.1
We have a requirement where in human task APIs need to be invoked on status changes of an ADF Entity (EO). We presently achieve this in the afterCommit() method and all is well.
But we are looking to leverage the Human Task bulk update APIs and am wondering how to do that.
The EO does support a batch mode - Is there a batch mode API that we can override to place the bulk update API call?
Thanks

in version 11.1.1.6 getInputStream() and getContent() do not work, this is know bug you can find in the oracle support at
https://support.oracle.com/epmos/faces/ui/km/SearchDocDisplay.jspx?_afrLoop=175895926830291&type=DOCUMENT&id=1451100.1&displayIndex=8&_afrWindowMode=0&_adf.ctrl-state=tlzphlagm_69
there you can find a .zip file with a full example code.
Actually Oracle does not consider it a bug:
"This issue was reviewed by Engineering in Bug 13873092 and is not considered a bug. There is a workaround to retrieve task contents through 'WFTaskUpdate' Servlet as described in the attached Sample project."
but in my opinion it is a very big bug endeed, and it drove me mad for days! :(
Anyway here is a snippet with the workaroud in case you do not have access to the oracle support site:
if att is you attachment and wfContext is your workflow context set somewhere
AttachmentType att;
IWorkflowContext wfContext;
instead of doing this
InputStream inputStream = att.getInputStream();
do this
String contextId = wfContext.getToken();
String attachmentURL = WFUtils.getTaskUpdateURL(att.getTaskId(), contextId, "" + att.getVersion(),att.getName(),
Constants.WFTASK_QUERY_ATTACHMENT_BUTTON_KEY_NAME);
if ( attachmentURL == null ) {
System.out.println("Unable to generate URL to get attachmentcontent");
try {
URL url = new URL(attachmentURL);
URLConnection conn = url.openConnection();
InputStream inputStream = conn.getInputStream();
} catch ( Exception e ) {
e.printStackTrace();
hope this helps
Massi

ADF forms based on BPM human tasks - Invoking webservices/view objects.

Hi All,
Is anyone aware of whether the following is a valid implementation that has been carried out before.
1. ADF forms based on BPM 11G human tasks.
2.The ADF forms invoke webservices via Webservice data controls. It is pertinent to note that the webservice bring back complex data types. We've tried writing a few forms, resulting in data benig brought back, but not being able to print them to the screen.
3. The ADF forms also use View Object based on sql to bring back tables of data. If view objects are embedded within the forms, the applciation gives rise to a null pointer exception.
Considering the form will be invoked via a BPM worklist entry, is there a setting or configuration we should consider before hand. Is this feasible, is there knowledge of this being done commercially.
Any examples or information regarding the same will be immensely helpful.
Thanks and Regards,
Preethi.
NB : I have posted this in the BPM forum as well as I feel it is relevant to both BPM and ADF.

Hi Joonas.
Plese let me explain me better for your understanding
A big summary for what I meant it's the following:
1- In the procces you made, when you add the HT activity, you have to implement it, this means declare the input(s) parameters you want. This implementation create the .task file.
2- Create an application, and projects as HT you have. Each poject are based on the .task file, and automatically create a Data Control (for each project based on a .task) with all you need.
This w'll be an empty application, so you can customize it all you want. The task selected should have all the parameters previously defined. Those parameters can change if you want.
2- Create a page(s) in the task flow for the task implementation. You can even split the the payload of the task in differents pages, create your custom pages and any logic you need.
3- An important aspect is how to match these application with the HT implemented in the process. It's possible, it's a configuration en the Enterprise Manager.
4- Deploy your application
All these are explain in the book I mentioned
Th book you can find it here:
https://blogs.oracle.com/soacommunity/entry/oracle_soa_suite_11g_handbook_1
Regards Dariel.
PS: Please, let me know if you need more details.

Human Task: how to get the participant name in the task form?

HI All,
I am using SOA Suite 11.1.1.6 in the current project. For a human task, there are multiple participating groups. For each participant, the payload is different. Currently, we are calling Human Task multiple times to pass the payload. However, I like to take advantage of new features in 11g Human task. I like to setup multiple groups as parallel. Then, jsf page can selective display corresponding parts of the payload for different partidipants. The problem is how JSF can get the name of the participant when page is invoked?
Thanks in advance,
Steven

Hi,
Variants are stored in table VARI and VARID.
You can use RS_ALL_VARIANTS_4_1_REPORT to get all the variants for a report program.
please check out the link below it will be helpful to you
Re: Programs for a transaction variant
Hope this helps.
ashish

SOA/BPM/Human Tasks 11g -- add new task participant through Workflow API

Heya folks. Got a question that's been driving me nuts, hope you can help.
I have a bunch of Human Tasks in a BPMN process. Each task is pretty simple -- for assignment a single stage only; parallel approval; list of participants is passed in -- via the task payload -- as a comma-delimited list. When the task is initiated it produces a root task, and one child task for each participant. So, say we have participants "fgolfer,atreyvaud" we get three task objects: the "master" or root task and one each for fgolfer and atreyvaud.
Now what I want to do is add another approver (let's say "gfrog") -- i.e. create a new task for gfrog which is a child of the master task and leaves the tasks for fgolfer and atreyvaud as they are. As far as I can figure, this is NOT a Reassign nor an Ad-Hoc Route. Applying either of those to an existing task effectively removes the existing user from the task and assigns it to the new user.
On another track, if I programmatically create a new task (with initiateTask() from the Task service, using the values from an existing task), I seem to get a NEW master task with attendant child tasks, while leaving the existing master task and children.
Make sense? Neither of these outcomes is what I want.
Seems like this should be pretty simple but for the life of me I can't figure it out. I could create an FYI task or a todo task or a subtask but again this isn't what I want -- need to create a task with all the custom outcomes and such.

In case folks are playing along at home, I've yet to find a solution for this. Because I need to move forward with my project, I've decided I can't do it through the Workflow API and I'm taking a different route -- basically, triggering a custom task outcome which returns to the same Human Task in the BPMN flow, thus starting the task again. Before doing that I update the task's payload, which contains the task assignees.
I'm not happy with this, it seems like a nasty hack to overcome a limitation with the Workflow API.
Understand, though, I'm not saying this is impossible through the Workflow API, just that I haven't found a way to do it. I've spent 2-3 person weeks on this and it's time to move on.

Display the status of parallel human tasks in ADF web page (BPM 11g)

Hi,
We create a BPMN process (BPM 11g) which splits into parallel branches. Each branch has its own user activity. We want to show the task status of ALL the parallel user activities (running or completed) in the ADF web page implemented for the user activity so the user would have the whole picture of the process.
In another words, we are able to check the status of the component instances associated with the process instance in the Oracle EM. We want to provide the similar information (in our case, we only want to show the status of the human task components) to the user when they access the human task page.
I wonder if the only solution is to write Java code with the API to lookup the BPMN process instance. We try to avoid Java coding if possible. Please advise. Also, so far, I have not found any complete instruction/document on how to access the BPMN process instance and check the tasks etc. through the API. Please help if you know where I could get such information.
Thanks a lot,
Helen

sorry!!
http://www.esnips.com/doc/dca05e99-d5ca-49ce-80c8-5bedfe27a24a/screenshot-2

Custom Escalation in Human Task in Oracle SOA BPM 11g

This is a sample that demonstrates custom escalation in Human Task in Oracle SOA BPM 11g.
package oracle.bpel.services.workflow.assignment.dynamic.patterns;
import java.util.Map;
import oracle.bpel.services.workflow.assignment.dynamic.DynamicAssignmentException;
import oracle.bpel.services.workflow.assignment.dynamic.IDynamicTaskEscalationFunction;
import oracle.bpel.services.workflow.task.impl.WorkflowUtil;
import oracle.bpel.services.workflow.task.model.Task;
import oracle.tip.pc.services.identity.LocalIdentityService;
public class CustomEscalation implements IDynamicTaskEscalationFunction {
public CustomEscalation() {
super();
public String getTaskEscalationUser(Task task) throws DynamicAssignmentException {
String currentAssignee;
try
currentAssignee = WorkflowUtil.getCurrentAssignee(task);
return getTaskEscalationUser(currentAssignee);
} catch (Exception e) {
throw new DynamicAssignmentException(e);
public String getTaskEscalationUser(String user) throws DynamicAssignmentException {
try
if (user == null)
return null;
String manager = null;
* Replace below code with your acutal logic.
// if( user.equalsIgnoreCase("john")){
// manager="jcooper" ;
return manager;
} catch (Exception e) {
throw new DynamicAssignmentException(e);
public void setInitParams(Map map) {
public String getFunctionName() {
return "CUSTOM_ESCALATION";
public String getDescription() {
return "Custom Escalation";
Please refer below link to register above custom escalation class on SOA Server.
http://download.oracle.com/docs/cd/E14571_01/integration.1111/e10224/bp_hwfmodel.htm
regards.

Thanks for your reply and confirmation, really appreciate it.
Yes, I found the difference of the invoking process API and was able to invoke bpel process using direct and ADF-BC binding by following Edwin's blog. But I have not found any official reference to compare this API difference between 10g and 11g ( I will mark this question as answered if anyone can find an official source from oracle, need to prove it to the team). The API to work with human task workflow seems pretty much the same between 10g and 11g.

Workflow API: adding and accessing file Attachments to a Human Task

Hi there,
I am using the Workflow Services Java API (11.1.1) for SOA Suite to access and manipulate human tasks. I would like to be able to access and add file attachments to existing human tasks. I am using the methods provided in the AttachmentType interface.
When adding an attachment, the problem I am running into is that an attachment does created and associated with the task, however it is empty and has no content. I have attempted both setting the input stream of the attachment, as well as the content string and in each case have had no success.
I have successfully added and accessed an attachment using the worklist application, however when trying to access the content of this attachment through code I receive an object with mostly null/0 values throughout, apart from the attachment name.
As the API's are not overly rich in documentation I may well be using them incorrectly. I would really appreciate any help/suggestions/alternatives in dealing with BPEL task attachments.
Thanks
The code I am using resembles:
List attachments = taskWithAttachments.getAttachment();
for(Object o : attachments){
AttachmentType a = (AttachmentType) o;
String content = a.getContent(); +// NULL+
InputStream str = a.getInputStream(); +// NULL+
String name = a.getName(); +// Has the attachment name+
String mime = a.getMimeType(); +// Has the mime type+
long size = a.getSize(); +// 0+
Edited by: 855489 on May 2, 2011 4:23 PM
Edited by: 855489 on May 2, 2011 8:48 PM

I am also facing the same issue, using 11.1.1.6, anyone managed to solve this?
Regards
Venkat

BPM 11G comments and file attachments issue on human tasks

Hi all,
We have used JDeveloper 11G and SOA suite 11G + BPM (with PS1,PS2) to create and deploy a simple BPM process. The process consists of two swim-lanes ( Business Analyst and Snr Executive). The BA swim-lane has a human task which which initiates the process and the second swim-lane (SE) has a voting task. Both forms were auto generated.
------ Process steps ----
step 1. The initiator of the process( Business analyst) submits a document and adds comments on the form. (1st swim lane)
step 2. The task is received by the Snr Executive group and they need to accept or reject the document.
step 3. If any of the Snr Execs rejects the document, the process flow goes back to the Business analyst(the requester or initiator) for review.
(the voting group is able to share comments and the file attachments).
step 4. The business analyst receives a task on her list. This task list should have the comments made by the Snr Execs who rejected the document. ---This is where we are having a problem. The business Analyst, receives the task, but the document and comments are not updated. This still shows the original document and comments, she sent when initiating the process.
We have opened a SR with My Oracle support and it was suggested we apply a hot fix 9958661, which was done (see output below). Unfortunately this did not solve the problem.
Questions:
1. Is the default behavior of BPM 11G ?
2. How can we change this behavior to do what we want ?
---------------------------------------opatch update output -----------------------------------------------------------
ApplySession adding interim patch '9958661' to inventory
Verifying the update...
Inventory check OK: Patch ID 9958661 is registered in Oracle Home inventory with proper meta-data.
Files check OK: Files from Patch ID 9958661 are present in Oracle Home.
The local system has been patched and can be restarted
I any suggestions would be welcome.
Thanks
Mocheche

Ok, this is what i did:
- I have a Process Data Object called CustomComments with just 1 attribute called comments.
- I have added that object to my user screens (adf page)
- Changed its columns att to 65 and rows to 8 (i chose that layout)
- Used a tableLayout to add an icon next to this text area to allow the user to add comments:
<af:commandImageLink shortDesc="addCommentImage" id="addCommentImage" partialSubmit="true" icon="/hw_images/new_ena.png">
     <af:clientListener method="myFunction" type="click"/>
     <af:clientAttribute name="attributeName" value="attributeValue"/>
</af:commandImageLink>
I use that clientAttribute to send the logged user to the javascipt.
- I added this after the af:document on top of the page to make the customComments readonly to the user (you need to do it here because if you set it in the properties the element is not updated later), so the user has to use the button i put to add comments:
<f:facet name="metaContainer">
     <f:facet name="metaContainer">
     <af:resource type="javascript">
          function readOnly(){
               var comms = document.getElementById("it1::content");
               comms.setAttribute("readOnly","true")
     </af:resource>
</f:facet>
<af:clientListener method="readOnly" type="load"/>
- Somewhere i added the javascript the commandLink calls:
<trh:script id="myScripts">
     function addComment(evt){
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var user = evt.getSource().getProperty("user");
var comm = prompt("Please enter your comment: ","");
          if (comm != null) {
               if (comm != ""){
                    if (commentArea.value !=""){commentArea.value = commentArea.value + "\n"}
                    commentArea.value = commentArea.value + "user.value" + " : " + comm;
</trh:script>
After all this, you have an object that carries the comments from one screen (UI project) to another and is updated each time.
I know it may not be the perfect solution and that it could be improved a lot, but so far it does what i need so i use it.
If there is anything i wasnt clear enough, please let me know. Hope this helps.

BPM 11g deployment error when include Human Task

During deployment, when I include a Human Task in my BPM 11g project, the deployment fails. The error message in JDeveloper is:
Weblogic Server Exception: weblogic.application.ModuleException:
Caused by: weblogic.common.ResourceException: weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: [unixODBC][Driver Manager]Data source name not found, and no default driver specified
If I don't include the Human Task application in deployment, it's fine. I used the Auto Create feature to generate the ADF project/form. I've deleted and recreated the Human Task, but that hasn't helped.
What can cause this error? I've googled for days, but have not found anything similar.

Kunwar - Thank you very much for your reply. I checked in EM under Applications, and there is no application with the name of my Human Task application that is part of my BPM project. To be sure, I just rebooted the server and checked again, but it is not there, and the reboot did not solve the problem.
I'm not sure if this is related to the problem, but here is some other information. A few days ago when I tried to redeploy just the BPM project (keeping save revision, and checking "Overwrite any existing composites"), I received a null pointer exception error. Since then, I must Undeploy the BPM Application using EM to then redeploy it using JDeveloper. Here is the error I was getting:
[08:03:59 AM] Sending archive - sca_PERAC91A_rev1.0.jar
[08:04:07 AM] Received HTTP response from the server, response code=500
[08:04:07 AM] Error deploying archive sca_PERAC91A_rev1.0.jar to partition "default" on server AdminServer [http://soabpm-vm:7001]
[08:04:07 AM] HTTP error code returned [500]
[08:04:07 AM] Error message from server:
There was an error deploying the composite on AdminServer: Error occurred during deployment of component: PERAC91A to service engine: implementation.bpmn, for composite: PERAC91A: java.lang.NullPointerException.
[08:04:07 AM] Check server log for more details.
[08:04:07 AM] Error deploying archive sca_PERAC91A_rev1.0.jar to partition "default" on server AdminServer [http://soabpm-vm:7001]
[08:04:07 AM] #### Deployment incomplete. ####
[08:04:07 AM] Error deploying archive file:/D:/Data/consulting/AllStar/PERAC/Dev/JDeveloper/PERAC91A/PERAC91A/deploy/sca_PERAC91A_rev1.0.jar
(oracle.tip.tools.ide.fabric.deploy.common.SOARemoteDeployer)

Migrating 10g Human Task Bpel process to 11g - No task flow

Hi All,
I have migrated a bpel process that has a human task to 11g. I need to stipulate the uri so that it will show on the worklist.
Apparently there is a file in the WEB-INF folder that i must reference. I went into the folder and there is many xml files(adfc-config.xml,faces-config.xml,trindad-config.xml, web.xml, weblogic.xml) there is no file generated from the migration. Hence how do i go about to get the correct uri and for the worklist to show.
Below is an incomplete uri
/workflow/ExceptionHandlerTaskForm//faces/adf.task-flow?_id=ExceptionHandler_WF_1_TaskFlow&_document=WEB-INF/

failed to get solution

How to Update HUMAN TASK Payload SOA/BPM 11G

Hi ,
I need to update the Expiration time based on the escalation level for Human task .
I trying to update the TaskExpiration time on the Java call back when onAssign activity is triggered.
Even though the execution is successful the task will not be updated with new expiration time..
Below is the code snippet
public class CallBackClass implements IRoutingSlipCallback , IDynamicTaskEscalationPattern {
    public CallBackClass() {
        super();
    public void onTaskAssigned(Task task, String string, String string1,String string2) {
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        task.setPriority(1);
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Please update your suggestion or suggest some API which van help me in fixing this task.
Thanks in advance !!

Hi:
Take a look at this post: http://beatechnologies.wordpress.com/2011/08/24/
Also here is the Oracle Doc: http://docs.oracle.com/cd/E12839_01/apirefs.1111/e10660/oracle/bpel/services/workflow/query/ITaskQueryService.html
and:
http://docs.oracle.com/cd/E17904_01/integration.1111/e10224/bp_worklistcust.htm#BHAHBHID
Hope this helps.
best
rolando

11g: human task API

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