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Datasource variable usage in Workflowmodeler

vids29

I am completely new to this. I am using Workflowmodeler for the first time. I want to get a list of reviewers for my review task attribute - Reviewers. Based on the workflowmodeler guide I just created a java code with the example present in the workflowmodeler guide to retrieve all the Teamsite Users (MapUserPicker.java) which implements the MapDataSource. I created a class file out of it and also created the jar and put it in the path specified in the guide ( and now I am getting it in the Datasource drop down list in the Workflow modeler for each of the task attributes. But when I select it for one of the variables in the review task - (list of reviewers) and then runt eh workflow through controlhub ui, I am getting an error that the parameter is not set. Do I need to do anything else for this to work? I tried using an inline command in the preprocessor task to see if that will work - but that also did not work. It gave an error that the correct value is not returned. Is there any way of debugging this?

Logfile when datasource was selected for the reviewer attribute in the review task of the workflow (without using the inline command):

OpenDeploy server host: au04uap108qans2, RMI registry port: 9173
2009-05-05 18:24:42,769 [http-8080-Processor21] WARN com.interwoven.ui.datacapture.core.dcxp.DTDNodeOrderingStrategy (chadmin commandID iw.models.common.inst
antiator_ch) - Error reading DTD http://localhost/iw-cc/datacapture6.0.dtd. Message: http://localhost/iw-cc/datacapture6.0.dtd
com.interwoven.modeler.common.exceptions.ModelerException: Unable to locate variable in workflow config: ID1241489899091
at com.interwoven.modeler.transformer.ModelTransformer.searchAndReplace(ModelTransformer.java:4201)
at com.interwoven.modeler.transformer.ModelTransformer.transformModel(ModelTransformer.java:136)
at com.interwoven.modeler.transformer.ModelTransformer.transformModel(ModelTransformer.java:4753)
at org.apache.jsp.workflowModeler.workflowAPI.instantiatorAPI_jsp._jspService(instantiatorAPI_jsp.java:388)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
at com.interwoven.ui.base.impl.command.CommandServlet.doGet(CommandServlet.java:211)
at com.interwoven.ui.base.impl.command.CommandServlet.doPost(CommandServlet.java:263)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.interwoven.ui.base.impl.auth.AuthenticationFilter.doFilter(AuthenticationFilter.java:204)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.interwoven.ui.base.util.SetRequestEncodingFilter.doFilter(SetRequestEncodingFilter.java:105)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.co

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Comments

Faizi

I am completely new to this. I am using Workflowmodeler for the first time. I want to get a list of reviewers for my review task attribute - Reviewers. Based on the workflowmodeler guide I just created a java code with the example present in the workflowmodeler guide to retrieve all the Teamsite Users (MapUserPicker.java) which implements the MapDataSource. I created a class file out of it and also created the jar and put it in the path specified in the guide ( and now I am getting it in the Datasource drop down list in the Workflow modeler for each of the task attributes. But when I select it for one of the variables in the review task - (list of reviewers) and then runt eh workflow through controlhub ui, I am getting an error that the parameter is not set. Do I need to do anything else for this to work? I tried using an inline command in the preprocessor task to see if that will work - but that also did not work. It gave an error that the correct value is not returned. Is there any way of debugging this?

Logfile when datasource was selected for the reviewer attribute in the review task of the workflow (without using the inline command):

OpenDeploy server host: au04uap108qans2, RMI registry port: 9173
2009-05-05 18:24:42,769 [http-8080-Processor21] WARN com.interwoven.ui.datacapture.core.dcxp.DTDNodeOrderingStrategy (chadmin commandID iw.models.common.inst
antiator_ch) - Error reading DTD http://localhost/iw-cc/datacapture6.0.dtd. Message: http://localhost/iw-cc/datacapture6.0.dtd
com.interwoven.modeler.common.exceptions.ModelerException: Unable to locate variable in workflow config: ID1241489899091
at com.interwoven.modeler.transformer.ModelTransformer.searchAndReplace(ModelTransformer.java:4201)
at com.interwoven.modeler.transformer.ModelTransformer.transformModel(ModelTransformer.java:136)
at com.interwoven.modeler.transformer.ModelTransformer.transformModel(ModelTransformer.java:4753)
at org.apache.jsp.workflowModeler.workflowAPI.instantiatorAPI_jsp._jspService(instantiatorAPI_jsp.java:388)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
at com.interwoven.ui.base.impl.command.CommandServlet.doGet(CommandServlet.java:211)
at com.interwoven.ui.base.impl.command.CommandServlet.doPost(CommandServlet.java:263)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.interwoven.ui.base.impl.auth.AuthenticationFilter.doFilter(AuthenticationFilter.java:204)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at com.interwoven.ui.base.util.SetRequestEncodingFilter.doFilter(SetRequestEncodingFilter.java:105)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.co

You should keep .java file at /iw-home/local/config/lib/content_center/livesite_customer_src/src location and run build.bat (or build.sh) from command line from livesite_customer_src location. It will successfully compile and rebuild the application. If any exception occurs then try to diagnose the class file. Now run build again.

vids29

Acftually I am using Workflowmodeler and not livesite. Also, I successfully built the class file and also built the jar file and put it in the path mentioned - /apps/Interwoven/ControlHub/httpd/webapps/content_center/WEB-INF/lib by running make_toolkit.ipl which builds the application. Since it is given in the guide, I am assuming that this is a working code. But not sure how the returned variable userNameList will be set to the variable "Reviewers" in the review task in the workflowmodeler if I give the datasource name in the field. Pasting the code that I have put.

//MapUserPicker.java
package com.interwoven.datasource.examples;
import com.interwoven.datasource.ArrayDataSource;
import com.interwoven.datasource.MapDataSource;
import com.interwoven.datasource.core.DataSourceContext;
import com.interwoven.log100.Logger;
import com.interwoven.log100.LoggerFactory;
import com.interwoven.cssdk.common.CSClient;
import com.interwoven.cssdk.common.CSRemoteException;
import com.interwoven.cssdk.common.CSException;
import com.interwoven.cssdk.common.CSIterator;
import com.interwoven.cssdk.access.*;
import com.interwoven.cssdk.factory.CSFactoryInitializationException;
import com.interwoven.cssdk.filesys.CSVPath;
import com.interwoven.cssdk.filesys.CSBranch;
import java.util.*;
/**
* Datasource class, which retrieves all TeamSite users and sends back the
* shortname and display name.
*/
public class MapUserPicker implements MapDataSource
{
Appendix B: Datasource Example
Interwoven, Inc. 182
private static final Logger log =
LoggerFactory.getLogger(MapUserPicker.class.getName());
/**
* This method returns Map containing names of all the
* TeamSite users. It uses CSClientUtil.java class
* to get the CSClient object from the session string passed by the
* Datasource framework.
* Key contains the user's shortname and value contains the user's
* display name
*/
public Map execute(DataSourceContext context)
{
String sessionId = context.getSessionId();
String vpath = context.getServerContext();
Map params = context.getAllParameters();
if(sessionId != null)
{
Map test = new HashMap();
test.put("rsk1","rshamanth1");
test.put("rsk2",null);
test.put("rsk3","!)@(@#*#)&_$$#&%_@$#%+_#+($)#%$\" Smiley Embarassed

>?|{}{|)");
test.put("rsk4","dude");
test.put("rsk4","dude duplicate");
test.put("","");
return test;
}
CSClient client = null;
String role = null;
if(log.isDebugEnabled())
{
log.debug("Received session id = " + sessionId);
log.debug("Received vpath = " + vpath);
log.debug("Received params = " + params);
}
try {
//Getting the CSClient object from sessionId
client = CSClientUtil.getCSClient((String)sessionId,params);
} catch (CSInvalidSessionStringException e1) {
e1.printStackTrace();
} catch (CSFactoryInitializationException e1) {
e1.printStackTrace();
} catch (CSExpiredSessionException e1) {
e1.printStackTrace();
} catch (CSAuthenticationException e1) {
e1.printStackTrace();
} catch (CSRemoteException e1) {
e1.printStackTrace();
} catch (CSException e1) {
e1.printStackTrace();
}
if(client == null)
{
return new HashMap();
}
CSIterator iterator = null;
try {
iterator = client.getPrincipalManager().getAllTSUsers();
} catch (CSException e1) {
e1.printStackTrace();
}
if(log.isDebugEnabled())
{
log.debug("Total number of users = " + iterator.getTotalSize());
}
ArrayList userObjList = new ArrayList();
Map userNameList = Collections.synchronizedSortedMap(new
TreeMap());
while(iterator.hasNext()){
try{
Object userCs = iterator.next();
CSUser user=(CSUser)userCs;
userObjList.add(user);
if(user.getDisplayName() == null)
{
userNameList.put(user.getName(),user.getName());
}
else
{
userNameList.put(user.getName(),user.getDisplayName());
}
if(log.isDebugEnabled())
{
log.debug("User name =" + user.getName() + " display name
= " + user.getDisplayName());
}
}catch(Exception e)
{
e.printStackTrace();
}
}
if(params.get("Role") != null)
{
//Role is present, so try to get all users matching this role
in the given vpath
role = (String)params.get("Role");
if(log.isDebugEnabled())
{

log.debug("Role received = " + role);
}
Map userWithSpecifiedRole = Collections.synchronizedMap(new
TreeMap());
for(int i=0;i{
try {
CSUser user = (CSUser) userObjList.get(i);
if(log.isDebugEnabled())
{
log.debug("User name = " + user.getName());
}
if(vpath != null)
{
//Vpath is present, so get all users who have this
//role in this vpath
CSVPath csvpath = new CSVPath((String)vpath);
CSBranch branch = client.getBranch(csvpath,true);
CSRole[] roles = user.getRoles(branch);
for(int j=0;j{
if(log.isDebugEnabled())
{
log.debug("Roles of this user = " +
roles.getName());
}
if(roles.getName().equalsIgnoreCase(role))
{
if(!userWithSpecifiedRole.values().
contains(user.getName()))
{
if(user.getDisplayName() == null)
{
userWithSpecifiedRole.put
(user.getName(),user.getName());
}
else
{
userWithSpecifiedRole.put
(user.getName(),
user.getDisplayName());
}
}
}
}
}
else
{
//As vpath is null, we cannot get roles for the
//user. So, just return an empty array
Map defaultUsers = new HashMap();
defaultUsers.put("$IW_AREAOWNER","AREAOWNER");
defaultUsers.put("$IW_USER","CURRENT USER");
return defaultUsers;
}
} catch(Exception e)
{
e.printStackTrace();
//Just ignore and go to next iteration.
}
}
return userWithSpecifiedRole;
}
else
{
//If no role is specified return all users
//Add default users also
userNameList.put("$IW_AREAOWNER","AREAOWNER");
userNameList.put("$IW_USER","CURRENT USER");
return userNameList;
}
}
}

Faizi

Acftually I am using Workflowmodeler and not livesite. Also, I successfully built the class file and also built the jar file and put it in the path mentioned - /apps/Interwoven/ControlHub/httpd/webapps/content_center/WEB-INF/lib by running make_toolkit.ipl which builds the application. Since it is given in the guide, I am assuming that this is a working code. But not sure how the returned variable userNameList will be set to the variable "Reviewers" in the review task in the workflowmodeler if I give the datasource name in the field. Pasting the code that I have put.

//MapUserPicker.java
package com.interwoven.datasource.examples;
import com.interwoven.datasource.ArrayDataSource;
import com.interwoven.datasource.MapDataSource;
import com.interwoven.datasource.core.DataSourceContext;
import com.interwoven.log100.Logger;
import com.interwoven.log100.LoggerFactory;
import com.interwoven.cssdk.common.CSClient;
import com.interwoven.cssdk.common.CSRemoteException;
import com.interwoven.cssdk.common.CSException;
import com.interwoven.cssdk.common.CSIterator;
import com.interwoven.cssdk.access.*;
import com.interwoven.cssdk.factory.CSFactoryInitializationException;
import com.interwoven.cssdk.filesys.CSVPath;
import com.interwoven.cssdk.filesys.CSBranch;
import java.util.*;
/**
* Datasource class, which retrieves all TeamSite users and sends back the
* shortname and display name.
*/
public class MapUserPicker implements MapDataSource
{
Appendix B: Datasource Example
Interwoven, Inc. 182
private static final Logger log =
LoggerFactory.getLogger(MapUserPicker.class.getName());
/**
* This method returns Map containing names of all the
* TeamSite users. It uses CSClientUtil.java class
* to get the CSClient object from the session string passed by the
* Datasource framework.
* Key contains the user's shortname and value contains the user's
* display name
*/
public Map execute(DataSourceContext context)
{
String sessionId = context.getSessionId();
String vpath = context.getServerContext();
Map params = context.getAllParameters();
if(sessionId != null)
{
Map test = new HashMap();
test.put("rsk1","rshamanth1");
test.put("rsk2",null);
test.put("rsk3","!)@(@#*#)&_$$#&%_@$#%+_#+($)#%$\">?|{}{|)");
test.put("rsk4","dude");
test.put("rsk4","dude duplicate");
test.put("","");
return test;
}
CSClient client = null;
String role = null;
if(log.isDebugEnabled())
{
log.debug("Received session id = " + sessionId);
log.debug("Received vpath = " + vpath);
log.debug("Received params = " + params);
}
try {
//Getting the CSClient object from sessionId
client = CSClientUtil.getCSClient((String)sessionId,params);
} catch (CSInvalidSessionStringException e1) {
e1.printStackTrace();
} catch (CSFactoryInitializationException e1) {
e1.printStackTrace();
} catch (CSExpiredSessionException e1) {
e1.printStackTrace();
} catch (CSAuthenticationException e1) {
e1.printStackTrace();
} catch (CSRemoteException e1) {
e1.printStackTrace();
} catch (CSException e1) {
e1.printStackTrace();
}
if(client == null)
{
return new HashMap();
}
CSIterator iterator = null;
try {
iterator = client.getPrincipalManager().getAllTSUsers();
} catch (CSException e1) {
e1.printStackTrace();
}
if(log.isDebugEnabled())
{
log.debug("Total number of users = " + iterator.getTotalSize());
}
ArrayList userObjList = new ArrayList();
Map userNameList = Collections.synchronizedSortedMap(new
TreeMap());
while(iterator.hasNext()){
try{
Object userCs = iterator.next();
CSUser user=(CSUser)userCs;
userObjList.add(user);
if(user.getDisplayName() == null)
{
userNameList.put(user.getName(),user.getName());
}
else
{
userNameList.put(user.getName(),user.getDisplayName());
}
if(log.isDebugEnabled())
{
log.debug("User name =" + user.getName() + " display name
= " + user.getDisplayName());
}
}catch(Exception e)
{
e.printStackTrace();
}
}
if(params.get("Role") != null)
{
//Role is present, so try to get all users matching this role
in the given vpath
role = (String)params.get("Role");
if(log.isDebugEnabled())
{

log.debug("Role received = " + role);
}
Map userWithSpecifiedRole = Collections.synchronizedMap(new
TreeMap());
for(int i=0;i
{
try {
CSUser user = (CSUser) userObjList.get(i);
if(log.isDebugEnabled())
{
log.debug("User name = " + user.getName());
}
if(vpath != null)
{
//Vpath is present, so get all users who have this
//role in this vpath
CSVPath csvpath = new CSVPath((String)vpath);
CSBranch branch = client.getBranch(csvpath,true);
CSRole[] roles = user.getRoles(branch);
for(int j=0;j
{
if(log.isDebugEnabled())
{
log.debug("Roles of this user = " +
roles.getName());
}
if(roles.getName().equalsIgnoreCase(role))
{
if(!userWithSpecifiedRole.values().
contains(user.getName()))
{
if(user.getDisplayName() == null)
{
userWithSpecifiedRole.put
(user.getName(),user.getName());
}
else
{
userWithSpecifiedRole.put
(user.getName(),
user.getDisplayName());
}
}
}
}
}
else
{
//As vpath is null, we cannot get roles for the
//user. So, just return an empty array
Map defaultUsers = new HashMap();
defaultUsers.put("$IW_AREAOWNER","AREAOWNER");
defaultUsers.put("$IW_USER","CURRENT USER");
return defaultUsers;
}
} catch(Exception e)
{
e.printStackTrace();
//Just ignore and go to next iteration.
}
}
return userWithSpecifiedRole;
}
else
{
//If no role is specified return all users
//Add default users also
userNameList.put("$IW_AREAOWNER","AREAOWNER");
userNameList.put("$IW_USER","CURRENT USER");
return userNameList;
}
}
}

You can follow up this thread hope this helps to sort out the issue. It seems problem with MapDataSource interface.

vids29

Hi Faizi, that really helped. I have tested it and am able to set the default value from datasource in the workflowmodeler and it is going to the reviewer task successfully. Still this code needs to be modified accordingly to suit my requirement, but atleast I was able to make the test code work. Thanks for your help.