How to get Next/Previous activities?

Hi
Is there any API's or any other ways to know the subsequent(next) activities from a current activity of a process.
TIA
honnur

Thanx for the reply.
But my requirement is to know the sequence of activities without actually starting the workflow process.
I understand the sequence of activities stored in the table WF_ACTIVITY_TRANSITIONS, is it recommended to access this table directly to know the sequence of activities from a program without using workflow monitor pages.
TIA
honnur

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Here are the links that helps you. It has code attached to it.
http://social.technet.microsoft.com/Forums/sharepoint/en-US/a0d2ab40-99ba-4368-8505-1dc559ef6469/get-content-of-previous-version-of-page-sharepoint-2010?forum=sharepointgeneralprevious
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<%
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if ((agreementIndex-1) < 0) {
previousIndex = -1;
} else {
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<div class="formfields">
<table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="formfieldlabel">Contract:</td><td class="formfieldvalue"><%= agreement.getRef4() %></td></tr>
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<tr><td class="formfieldlabel">Tier:</td><td class="formfieldvalue"><%= agreement.getTier() %></td></tr>
<tr><td class="formfieldlabel"># of Consultants:</td><td class="formfieldvalue"><%= agreement.getNumcon() %></td></tr>
<tr><td class="formfieldlabel">Active:</td><td class="formfieldvalue"><%= agreement.getActive() %></td></tr>
<tr><td class="formfieldlabel">Publish to Web:</td><td class="formfieldvalue"><%= agreement.getPublish() %></td></tr>
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</div>
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<input type="button" value=" Edit " class="mmhide_btn" onmouseover="hov(this,'mmhide_btn mmhide_btnhov')" onmouseout="hov(this,'mmhide_btn')" onclick="window.location.href='#'" />
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</div>
<br>
<div class="section">
<div class="sectionheader">
<div class="sectionheadertext">
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</div>
</div>
</div>
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<tr><td id="dialogbuttons" colspan="3">

<%
if (previousIndex != -1) {
%>
<input type="button" value="Previous" class="mmhide_btn" onmouseover="hov(this,'mmhide_btn mmhide_btnhov')" onmouseout="hov(this,'mmhide_btn')" onclick="window.location.href='/partDB/partners/PartnerAgree.jsp?agreementIndex=' + <%=previousIndex%>" />
<%
} else {
%>
<input type="button" value="Previous" class="mmhide_btn" onmouseover="hov(this,'mmhide_btn mmhide_btnhov')" onmouseout="hov(this,'mmhide_btn')" onclick="" disabled="disabled" />
<%
%>
<%
if (nextIndex != -1) {
%>
<input type="button" value=" Next " class="mmhide_btn" onmouseover="hov(this,'mmhide_btn mmhide_btnhov')" onmouseout="hov(this,'mmhide_btn')" onclick="window.location.href='/partDB/partners/PartnerAgree.jsp?agreementIndex=' + <%=nextIndex%>" />
<%
} else {
%>

Hi Annie,
Below is the code as I have it now and am still getting the null pointer exception. Thanks for looking at this for me, I have been struggling with it since before Christmas!
<%
// Connection
String pid = request.getParameter("partID");
if (pid == null) {
pid = "1034";
String pname = null;
String ref4 = null;
String url = null;
String program = null;
String tier = null;
String numcon = null;
String active = null;
String publish = null;
String agreeid = null;
String type = null;
String recdate = null;
String status = null;
String rendate = null;
String termdate = null;
String descrip = null;
ArrayList agreements = new ArrayList();
%>

<%
int agreementIndex = 0;
agreements = (ArrayList) request.getAttribute("agreements");
if (agreements == null) {
try {
ResultSet rs = statement.executeQuery("Select p.*, a.agreeid, a.type, a.status, a.recdate, "
+ "a.descrip, a.termdate, a.rendate "
+ "from partDB.partner p, partDB.agreement as a "
+ "where p.partid = '" + pid + "'"
+ "and p.partid=a.partid ");
while (rs.next()) {
Agreement agreement = new Agreement();
agreement.setAgreeID(rs.getString("agreeid"));
agreement.setPname(rs.getString("pname"));
agreement.setRef4(rs.getString("ref4"));
agreement.setUrl(rs.getString("url"));
agreement.setProgram(rs.getString("program"));
agreement.setTier(rs.getString("tier"));
agreement.setNumcon(rs.getString("numcon"));
agreement.setActive(rs.getString("active"));
agreement.setPublish(rs.getString("publish"));
agreement.setType(rs.getString("type"));
agreement.setRecdate(rs.getString("recdate"));
agreement.setStatus(rs.getString("status"));
agreement.setDescrip(rs.getString("descrip"));
agreement.setRendate(rs.getString("rendate"));
agreement.setTermdate(rs.getString("termdate"));
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session.setAttribute("agreements", agreements);
catch (Exception e){
out.println("<pre>");
PrintWriter errorOut = new PrintWriter(out);
e.printStackTrace(errorOut);
out.println("<br></pre>" + e);
request.setAttribute("agreements", agreements);
if (request.getParameter("agreementIndex") != null) {
agreementIndex = Integer.parseInt(request.getParameter("agreementIndex"));
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int nextIndex = 0;
int previousIndex = 0;
if ((agreementIndex+1) >= agreements.size()) {
nextIndex = -1;
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nextIndex = agreementIndex++;
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previousIndex = -1;
} else {
previousIndex = agreementIndex--;
%>
<div id="mainentity">
<div class="section">
<div class="sectionheader">
<div class="sectionheadertext">
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<tr><td class="formfieldlabel">Tier:</td><td class="formfieldvalue"><%= agreement.getTier() %></td></tr>
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<div class="sectionheader">
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<%
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// to fire.
// Note that you must commit before asking WF for the next page, because
// asking for the next page at this point will transition the WF to a
// completed state, which means you won't be able to navigate back
// if there are errors during the commit processing.
am.invokeMethod("apply");
TransactionUnitHelper.endTransactionUnit(pageContext, "citizenCreateTxn");
// Don't forget to call this even on the last page so the activity associated with
// this page completes and the Workflow transitions appropriately.
String nextPage = OANavigation.getNextPage(pageContext);
// For the final page, Workflow should be returning null -- and the user
// can select the "Submit" button only on the last page. Something's
// wrong.
if (nextPage != null)
throw new OAException("AK", "FWK_TBX_T_WF_UNEXPECTED_TRANS");
else // we've just completed the flow
// Assuming the "commit" succeeds, we'll display a Confirmation dialog that takes
// the user back to the main "Purchase Orders".
/* String poNumber = (String)pageContext.getTransactionValue("PO_NUMBER");
MessageToken[] tokens = { new MessageToken("PO_NUMBER", poNumber),
new MessageToken("PO_APPROVER", pageContext.getUserName()) };
OAException confirmMessage = new OAException("AK", "FWK_TBX_T_PO_CREATE_CONFIRM", tokens);
OADialogPage dialogPage = new OADialogPage(OAException.CONFIRMATION,
confirmMessage,
null,
pageContext.getApplicationJSP() + "?OAFunc=FWK_TOOLBOX_PO_SUMMARY_CR&retainAM=Y",
null);
pageContext.redirectToDialogPage(dialogPage);
else if ("goto".equals(pageContext.getParameter(EVENT_PARAM)) &&
"NavBar".equals(pageContext.getParameter(SOURCE_PARAM)))
// Note that the OANavigationBean publishes a "goto" event paremeter when
// either the Back or Next button is pressed. You need to determine which way to
// go based on the related "value" parameter.
// Also note the check of "source" above to ensure we're dealing with the
// page-level navigation here and not table-level navigation which is
// implemented with the same Bean configured differently.
int target = Integer.parseInt(pageContext.getParameter("value"));
String workflowResult;
if (target < currentStep)
workflowResult = "PREVIOUS";
else
workflowResult = "NEXT";
String nextPage = OANavigation.getNextPage(pageContext, workflowResult);
if (nextPage != null)
HashMap params = new HashMap(1);
params.put("ccStep", IntegerUtils.getInteger(target));
pageContext.setForwardURL(pageContext.getApplicationJSP() + "?" + nextPage, // target page
null,
KEEP_MENU_CONTEXT,
"", // No need to specify since we're keeping menu context
params, // Page parameters
true, // Be sure to retain the AM!
ADD_BREAD_CRUMB_NO, // Do not display breadcrumbs
OAException.ERROR); // Do not forward w/ errors
else
throw new OAException("AK", "FWK_TBX_T_WF_NO_NEXT_PAGE");
else if (pageContext.getParameter("Cancel") != null)
am.invokeMethod("rollbackCitizenInfo");
// Remove the "in transaction" indicator
TransactionUnitHelper.endTransactionUnit(pageContext, "citizenCreateTxn");
pageContext.forwardImmediately("OA.jsp?page=/uttara/oracle/apps/uttaraimc/createcitizen/webui/CreateCitizenSearchPG",
null,
OAWebBeanConstants.KEEP_MENU_CONTEXT,
null,
null,
true, // retain AM
OAWebBeanConstants.ADD_BREAD_CRUMB_NO);
How to resolve this issue?
please suggest.
Thanks & Regards,
Sagarika

Sagarika,
Please go thru the dev guide which explains the train flow in the multistep update exercise. Compare the steps with ur implementation.
- Senthil

How to get Next/Previous activities?

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