Coverage Report

Coverage Report - org.kuali.rice.kew.service.WorkflowInfo

Classes in this File
Line Coverage
Branch Coverage
Complexity
WorkflowInfo
0/63
0/10
1.17
 /*
  * Copyright 2005-2007 The Kuali Foundation
  *
  *
  * Licensed under the Educational Community License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.opensource.org/licenses/ecl2.php
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.kuali.rice.kew.service;
 
 import java.util.Arrays;
 import java.util.List;
 
 import org.apache.commons.lang.ObjectUtils;
 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
 import org.kuali.rice.core.util.AttributeSet;
 import org.kuali.rice.kew.dto.ActionItemDTO;
 import org.kuali.rice.kew.dto.ActionRequestDTO;
 import org.kuali.rice.kew.dto.ActionTakenDTO;
 import org.kuali.rice.kew.dto.DocumentContentDTO;
 import org.kuali.rice.kew.dto.DocumentDetailDTO;
 import org.kuali.rice.kew.dto.DocumentSearchCriteriaDTO;
 import org.kuali.rice.kew.dto.DocumentSearchResultDTO;
 import org.kuali.rice.kew.dto.DocumentStatusTransitionDTO;
 import org.kuali.rice.kew.dto.DocumentTypeDTO;
 import org.kuali.rice.kew.dto.ReportCriteriaDTO;
 import org.kuali.rice.kew.dto.RouteHeaderDTO;
 import org.kuali.rice.kew.dto.RouteNodeInstanceDTO;
 import org.kuali.rice.kew.dto.RuleDTO;
 import org.kuali.rice.kew.dto.RuleReportCriteriaDTO;
 import org.kuali.rice.kew.dto.WorkflowAttributeDefinitionDTO;
 import org.kuali.rice.kew.dto.WorkflowAttributeValidationErrorDTO;
 import org.kuali.rice.kew.exception.WorkflowException;
 import org.kuali.rice.kew.util.KEWConstants;
 
 /**
  * Convenience class for client applications to query workflow.  This class is one of two
  * (Java) client interfaces to the KEW system (the other being {@link WorkflowDocument} class).
  *
  * <p>The first time an instance of this class is created, it will read the client configuration to
  * determine how to connect to KEW.  To use this API, simply create a new instance using the
  * empty constructor.
  *
  * @author Kuali Rice Team (rice.collab@kuali.org)
  */
 public class WorkflowInfo implements java.io.Serializable {
 
         private static final long serialVersionUID = 3231835171780770399L;
 
         /**
      * Retrieves the WorkflowUtility proxy from the locator.  The locator will cache this for us.
      */
         private WorkflowUtility getWorkflowUtility() throws WorkflowException {
         WorkflowUtility workflowUtility = 
                 (WorkflowUtility)GlobalResourceLoader.getService(KEWConstants.WORKFLOW_UTILITY_SERVICE);
             if (workflowUtility == null) {
                     throw new WorkflowException("Could not locate the WorkflowUtility service.  Please ensure that KEW client is configured properly!");
             }
             return workflowUtility;
 
     }
 
     /**
      * Returns the RouteHeaderVO of the specified document for the specified user
      * @param principalId principalId as whom to obtain the route header VO
      * @param documentId the id of the document whose route header VO to obtain
      * @return the RouteHeaderVO of the specified document for the specified user
      * @throws WorkflowException if an error occurs obtaining the route header VO
      * @see WorkflowUtility#getRouteHeaderWithUser(String, Long)
      */
     public RouteHeaderDTO getRouteHeader(String principalId, String documentId) throws WorkflowException {
             return getWorkflowUtility().getRouteHeaderWithPrincipal(principalId, documentId);
     }
     
     public AttributeSet getActionsRequested(String principalId, String documentId) throws WorkflowException {
             return getWorkflowUtility().getActionsRequested(principalId, documentId);
     }
 
     /**
      * Returns the RouteHeaderVO of the specified document
      * @param documentId the id of the document whose route header VO to obtain
      * @return the RouteHeaderVO of the specified document
      * @throws WorkflowException if an error occurs obtaining the route header VO
      * @see WorkflowUtility#getRouteHeader(Long)
      */
     public RouteHeaderDTO getRouteHeader(String documentId) throws WorkflowException {
             return getWorkflowUtility().getRouteHeader(documentId);
     }
 
     /**
      * Returns the status of the document with the given ID.
      *
      * @since 0.9.1
      * @throws WorkflowException if document cannot be found for the given ID or
      * if the given document ID is null.
      */
     public String getDocumentStatus(String documentId) throws WorkflowException {
                    return getWorkflowUtility().getDocumentStatus(documentId);
     }
 
     /**
      * Returns the status of the document with the given ID.
      *
      * @since 0.9.1
      * @throws WorkflowException if document cannot be found for the given ID or
      * if the given document ID is null.
      */
     public DocumentStatusTransitionDTO[] getDocumentStatusTransitionHistory(String documentId) throws WorkflowException {
                    return getWorkflowUtility().getDocumentStatusTransitionHistory(documentId);
     }
 
     /**
      * Returns the DocumentType of the document with the specified id
      * @param documentTypeId the id of the document whose document type we should return
      * @return the DocumentTypeVO of the document with the specified id
      * @throws WorkflowException if an error occurs obtaining the document type
      * @see WorkflowUtility#getDocumentType(Long)
      */
     public DocumentTypeDTO getDocType(Long documentTypeId) throws WorkflowException {
             return getWorkflowUtility().getDocumentType(documentTypeId);
     }
 
     /**
      * Returns the DocumentType of the document type with the specified name
      * @param documentTypeName the name of the document type whose DocumentType we should return
      * @return the DocumentTypeVO of the document type with the specified name
      * @throws WorkflowException if an error occurs obtaining the document type
      * @see WorkflowUtility#getDocumentTypeByName(String)
      */
     public DocumentTypeDTO getDocType(String documentTypeName) throws WorkflowException {
             return getWorkflowUtility().getDocumentTypeByName(documentTypeName);
     }
 
     /**
      * Returns a new unique id to be used as a responsibility id
      * @return a new unique id to be used as a responsibility id
      * @throws WorkflowException if an error occurs obtaining a new responsibility id
      * @see WorkflowUtility#getNewResponsibilityId()
      */
     public Long getNewResponsibilityId() throws WorkflowException {
             return getWorkflowUtility().getNewResponsibilityId();
     }
 
     public Integer getUserActionItemCount(String principalId) throws WorkflowException {
             return getWorkflowUtility().getUserActionItemCount(principalId);
     }
     
     public ActionItemDTO[] getActionItems(String documentId) throws WorkflowException {
             return getWorkflowUtility().getAllActionItems(documentId);
     }
 
     public ActionItemDTO[] getActionItems(String documentId, String[] actionRequestedCodes) throws WorkflowException {
             return getWorkflowUtility().getActionItems(documentId, actionRequestedCodes);
     }
 
     /**
      * Returns the pending action requests of the document of the specified id
      * @param documentId the id of the document whose action requests will be retrieved
      * @return the pending action requests of the document of the specified id
      * @throws WorkflowException if an error occurs obtaining the documents action requests
      * @see WorkflowUtility#getActionRequests(Long)
      */
     public ActionRequestDTO[] getActionRequests(String documentId) throws WorkflowException {
             return getWorkflowUtility().getAllActionRequests(documentId);
     }
 
    /**
     * Returns the pending action requests of the document of the specified id for the specified
     * user and/or the specified node name.  If both user and node name are empty then will
     * return all pending action requests.
     * @param documentId the id of the document whose action requests will be retrieved
     * @param nodeName the node name of the requests to be retrieved
     * @param userId the user that the requests would be satisfied by
     * @return the pending action requests of the document of the specified id
     * @throws WorkflowException if an error occurs obtaining the documents action requests
     * @see WorkflowUtility#getActionRequests(Long)
     */
    public ActionRequestDTO[] getActionRequests(String documentId, String nodeName, String principalId) throws WorkflowException {
            return getWorkflowUtility().getActionRequests(documentId, nodeName, principalId);
    }
 
    /**
 
 
     /**
      * Returns the actions taken on the document of the specified id
      * @param documentId the id of the document whose actions taken will be retrieved
      * @return the actions taken on the document of the specified id
      * @throws WorkflowException if an error occurs obtaining the actions taken
      * @see WorkflowUtility#getActionsTaken(Long)
      */
     public ActionTakenDTO[] getActionsTaken(String documentId) throws WorkflowException {
             return getWorkflowUtility().getActionsTaken(documentId);
     }
 
     /**
      * Returns whether the user is in the document's route log (whether an action request has been, or may be,
      * generated for the user)
      * @param documentId the id of the document to analyze
      * @param userId the id of the user to check
      * @param lookFuture whether to evaluate potential future requests
      * @return whether the user is in the document's route log
      * @throws WorkflowException if an error occurs determining whether the user is in the document's route log
      * @see WorkflowUtility#isUserInRouteLog(Long, String, boolean)
      */
     public boolean isUserAuthenticatedByRouteLog(String documentId, String principalId, boolean lookFuture) throws WorkflowException {
             return getWorkflowUtility().isUserInRouteLog(documentId, principalId, lookFuture);
     }
     
     /**
      * Returns whether the user is in the document's route log (whether an action request has been, or may be,
      * generated for the user).  The flattenNodes boolean instructs the underlying Simulation Engine to perform
      * a "flattened" evaluation or not and only takes effect if lookFuture is true.  When doing a "flattened"
      * evaluation, all branches will be followed regardless of split and join logic built into the document type.
      * 
      * @param documentId the id of the document to analyze
      * @param userId the id of the user to check
      * @param lookFuture whether to evaluate potential future requests
      * @return whether the user is in the document's route log
      * @throws WorkflowException if an error occurs determining whether the user is in the document's route log
      * @see WorkflowUtility#isUserInRouteLog(Long, String, boolean)
      */
     public boolean isUserAuthenticatedByRouteLog(String documentId, String principalId, boolean lookFuture, boolean flattenNodes) throws WorkflowException {
             return getWorkflowUtility().isUserInRouteLogWithOptionalFlattening(documentId, principalId, lookFuture, flattenNodes);
     }
 
     /**
      * Returns whether the specified user is the final approver for the document
      * @param documentId the id of document to check
      * @param userId the id of the user to check
      * @return whether the specified user is the final approver for the document
      * @throws WorkflowException if an error occurs determining whether the user is the final approver on the document
      * @see WorkflowUtility#isFinalApprover(Long, String)
      */
     public boolean isFinalApprover(String documentId, String principalId) throws WorkflowException {
             return getWorkflowUtility().isFinalApprover(documentId, principalId);
     }
 
     /**
      * Validate the WorkflowAttributeDefinition against it's attribute on the server.  This will validate
      * the inputs that will eventually become xml.
      *
      * Only applies to attributes implementing WorkflowAttributeXmlValidator.
      *
      * @param attributeDefinition the attribute definition to validate
      * @return WorkflowAttributeValidationErrorVO[] of error from the attribute
      * @throws WorkflowException when attribute doesn't implement WorkflowAttributeXmlValidator
      * @see WorkflowUtility#validateWorkflowAttributeDefinitionVO(WorkflowAttributeDefinitionDTO)
      */
     public WorkflowAttributeValidationErrorDTO[] validAttributeDefinition(WorkflowAttributeDefinitionDTO attributeDefinition) throws WorkflowException {
             return getWorkflowUtility().validateWorkflowAttributeDefinitionVO(attributeDefinition);
     }
 
     // WORKFLOW 2.3: new methods
 
     /**
      * Runs a "rule report" give a rule report criteria.
      * @param ruleReportCriteria the criteria for the rule report
      * @return an array of RuleVO representing rules that will fire under the specified criteria
      * @see WorkflowUtility#ruleReport(RuleReportCriteriaDTO)
      */
     public RuleDTO[] ruleReport(RuleReportCriteriaDTO ruleReportCriteria) throws WorkflowException {
             return getWorkflowUtility().ruleReport(ruleReportCriteria);
     }
 
     // WORKFLOW 2.1: new methods
 
     /**
      * Returns a document detail VO representing the route header along with action requests, actions taken,
      * and route node instances.
      * @param documentId id of the document whose details should be returned
      * @return Returns a document detail VO representing the route header along with action requests, actions taken, and route node instances.
      * @throws WorkflowException
      * @see WorkflowUtility#getDocumentDetail(Long)
      */
     public DocumentDetailDTO getDocumentDetail(String documentId) throws WorkflowException {
             return getWorkflowUtility().getDocumentDetail(documentId);
     }
 
     /**
      * Returns a node instance of the specified note instance id
      * @param nodeInstanceId the id of the node instance to return
      * @return a node instance of the specified note instance id
      * @throws WorkflowException if an error occurs obtaining the node instance
      * @see WorkflowUtility#getNodeInstance(Long)
      */
     public RouteNodeInstanceDTO getNodeInstance(Long nodeInstanceId) throws WorkflowException {
             return getWorkflowUtility().getNodeInstance(nodeInstanceId);
     }
 
     /**
      * Returns the route node instances that have been created so far during the life of the specified document.  This includes
      * all previous instances which have already been processed and are no longer active.
      * @param documentId the id of the document whose route node instances should be returned
      * @return the route node instances that have been created so far during the life of this document
      * @throws WorkflowException if there is an error getting the route node instances for the document
      * @see WorkflowUtility#getDocumentRouteNodeInstances(Long)
      */
     public RouteNodeInstanceDTO[] getDocumentRouteNodeInstances(String documentId) throws WorkflowException {
             return getWorkflowUtility().getDocumentRouteNodeInstances(documentId);
     }
 
     /**
      * Returns all active node instances on the document.
      * @param documentId id of the document whose active node instances should be returned
      * @return all active node instances on the document
      * @throws WorkflowException if there is an error obtaining the currently active nodes on the document
      * @see WorkflowUtility#getActiveNodeInstances(Long)
      */
     public RouteNodeInstanceDTO[] getActiveNodeInstances(String documentId) throws WorkflowException {
             return getWorkflowUtility().getActiveNodeInstances(documentId);
     }
 
     /**
      * Returns all node instances on the document which have no successor.
      * @param documentId id of the document whose terminal node instances should be returned
      * @return all terminal node instances of the document
      * @throws WorkflowException if there is an error obtaining the terminal node instances on the document
      * @see WorkflowUtility#getTerminalNodeInstances(Long)
      */
     public RouteNodeInstanceDTO[] getTerminalNodeInstances(String documentId) throws WorkflowException {
             return getWorkflowUtility().getTerminalNodeInstances(documentId);
     }
     
     /**
      * Returns the current node instances on the document.  If the document has active nodes, those will
      * be returned.  Otherwise, all terminal nodes will be returned.
      * @param documentId id of the document whose current node instances should be returned
      * @return all current node instances of the document
      * @throws WorkflowException if there is an error obtaining the current node instances on the document
      * @see WorkflowUtility#getCurrentNodeInstances(Long)
      */
     public RouteNodeInstanceDTO[] getCurrentNodeInstances(String documentId) throws WorkflowException {
             return getWorkflowUtility().getCurrentNodeInstances(documentId);
     }
     
     /**
      * Returns names of all current nodes the document is currently at.  If the document has active nodes, those
      * will be returned.  Otherwise, the document's terminal nodes will be returned.
      *
      * @return names of all current nodes the document is currently at.
      * @throws WorkflowException if there is an error obtaining the current nodes on the document
      * @see WorkflowUtility#getCurrentNodeInstances(Long)
      */
     public String[] getCurrentNodeNames(String documentId) throws WorkflowException {
             RouteNodeInstanceDTO[] currentNodeInstances = getWorkflowUtility().getCurrentNodeInstances(documentId);
             String[] nodeNames = new String[(currentNodeInstances == null ? 0 : currentNodeInstances.length)];
             for (int index = 0; index < currentNodeInstances.length; index++) {
                     nodeNames[index] = currentNodeInstances[index].getName();
             }
             return nodeNames;
     }
 
     /**
      * Re-resolves the specified role on the document, and refreshes any pending action requests.
      * @param documentTypeName the type of the document for which to re-resolve roles
      * @param roleName the role name to re-resolve
      * @param qualifiedRoleNameLabel the qualified role name label
      * @throws WorkflowException if an error occurs re-resolving the role
      * @see WorkflowUtility#reResolveRole(String, String, String)
      */
     public void reResolveRoleByDocTypeName(String documentTypeName, String roleName, String qualifiedRoleNameLabel) throws WorkflowException {
             getWorkflowUtility().reResolveRoleByDocTypeName(documentTypeName, roleName, qualifiedRoleNameLabel);
     }
 
     /**
      * Re-resolves the specified role on the document, and refreshes any pending action requests.
      * @param documentId the id of the document for which to re-resolve roles
      * @param roleName the role name to re-resolve
      * @param qualifiedRoleNameLabel the qualified role name label
      * @throws WorkflowException if an error occurs re-resolving the role
      * @see WorkflowUtility#reResolveRoleByDocumentId(Long, String, String)
      */
     public void reResolveRoleByDocumentId(String documentId, String roleName, String qualifiedRoleNameLabel) throws WorkflowException {
             getWorkflowUtility().reResolveRoleByDocumentId(documentId, roleName, qualifiedRoleNameLabel);
     }
 
     /**
      * Runs a "routing report"
      * @param reportCriteria routing report criteria
      * @return DocumentDetailVO detailing the actionrequests that would be generated under the specified criteria
      * @see WorkflowUtility#routingReport(ReportCriteriaDTO)
      */
     public DocumentDetailDTO routingReport(ReportCriteriaDTO reportCriteria) throws WorkflowException {
             return getWorkflowUtility().routingReport(reportCriteria);
     }
     
     /**
      * Returns the application document id for the document with the given id.
      *
      * @param documentId the document id of the document for which to fetch the application document id
      * @return the application document of the document with the given id or null if the document does not have an application document id
      */
     public String getAppDocId(String documentId)  throws WorkflowException {
             return getWorkflowUtility().getAppDocId(documentId);
     }
 
     /**
      * Returns whether the specified user is the last approver at the specified node name
      * @param documentId the id of document to check
      * @param userId the id of the user to check
      * @param nodeName name of node to check
      * @return whether the specified user is the last approver at the specified node name
      * @throws WorkflowException if an error occurs determining whether the user is the last approver at the specified node
      * @see WorkflowUtility#isLastApproverAtNode(Long, String, String)
      */
     public boolean isLastApproverAtNode(String documentId, String principalId, String nodeName) throws WorkflowException {
             return getWorkflowUtility().isLastApproverAtNode(documentId, principalId, nodeName);
     }
 
     /**
      * Returns whether the specified node on the specified document type would produce approve or complete requests
      * @param docType the type of the document to check
      * @param docContent the content to use
      * @param nodeName the node to check
      * @return whether the specified node on the specified document type would produce approve or complete requests
      * @throws WorkflowException if an error occurs
      * @see WorkflowUtility#routeNodeHasApproverActionRequest(String, String, String)
      */
     public boolean routeNodeHasApproverActionRequest(String docType, String docContent, String nodeName) throws WorkflowException {
             return getWorkflowUtility().routeNodeHasApproverActionRequest(docType, docContent, nodeName);
     }
 
     /**
      * This method allows a document search to be executed just as would occur from the User Interface using the given user as
      * the searching user
      * 
      * @param userId - user to use when executing the search (for security filtering purposes)
      * @param criteriaVO - criteria to use for the search
      * @return a {@link DocumentSearchResultDTO} object containing a list of search result columns and data rows
      * @throws WorkflowException
      */
     public DocumentSearchResultDTO performDocumentSearch(String principalId, DocumentSearchCriteriaDTO criteriaVO) throws WorkflowException {
             return getWorkflowUtility().performDocumentSearchWithPrincipal(principalId, criteriaVO);
     }
 
     /**
      * This method allows a document search to be executed just as would occur from the User Interface
      * 
      * @param criteriaVO - criteria to use for the search
      * @return a {@link DocumentSearchResultDTO} object containing a list of search result columns and data rows
      * @throws WorkflowException
      */
     public DocumentSearchResultDTO performDocumentSearch(DocumentSearchCriteriaDTO criteriaVO) throws WorkflowException {
             return getWorkflowUtility().performDocumentSearch(criteriaVO);
     }
 
     /**
      * Returns the document content VO of the specified document
      * @param documentId the id of the document whose content should be returned
      * @return the document content VO of the specified document
      * @throws WorkflowException if an error occurs obtaining the document content
      * @see WorkflowUtility#getDocumentContent(Long)
      */
     public DocumentContentDTO getDocumentContent(String documentId) throws WorkflowException {
             return getWorkflowUtility().getDocumentContent(documentId);
     }
 
     /**
      * Returns names of nodes already traversed
      * @param documentId id of the document to check
      * @return names of nodes already traversed
      * @throws WorkflowException if an error occurs
      * @see WorkflowUtility#getPreviousRouteNodeNames(Long)
      */
     public String[] getPreviousRouteNodeNames(String documentId) throws WorkflowException {
             return getWorkflowUtility().getPreviousRouteNodeNames(documentId);
     }
 
     /**
      * Checks whether a document would product at least one action request under the specified criteria
      * @param reportCriteriaDTO criteria under which to perform the check
      * @param actionRequestedCodes the types of action requests to check for
      * @param ignoreCurrentActionRequests determines if method should look only at simulation generated requests 
      *        or both simulation generated requests and requests that are currently active on the document
      * @return whether a document would product at least one action request under the specified criteria
      * @throws WorkflowException if an error occurs
      * @see WorkflowUtility#documentWillHaveAtLeastOneActionRequest(ReportCriteriaDTO, String[], boolean)
      */
     public boolean documentWillHaveAtLeastOneActionRequest(ReportCriteriaDTO reportCriteriaDTO, String[] actionRequestedCodes, boolean ignoreCurrentActionRequests) throws WorkflowException {
             return getWorkflowUtility().documentWillHaveAtLeastOneActionRequest(reportCriteriaDTO, actionRequestedCodes, ignoreCurrentActionRequests);
     }
 
     /**
      * @deprecated use {@link #documentWillHaveAtLeastOneActionRequest(ReportCriteriaDTO, String[], boolean)} instead
      * 
      * This method assumes both existing and generated requests should be taken into account
      */
     public boolean documentWillHaveAtLeastOneActionRequest(ReportCriteriaDTO reportCriteriaDTO, String[] actionRequestedCodes) throws WorkflowException {
             return getWorkflowUtility().documentWillHaveAtLeastOneActionRequest(reportCriteriaDTO, actionRequestedCodes, false);
     }
 
     // DEPRECATED: as of Workflow 2.1
 
     /**
      * @deprecated use {@link #isLastApproverAtNode(Long, String, String) instead
      */
     protected boolean isLastApproverInRouteLevel(String documentId, String principalId, Integer routeLevel) throws WorkflowException {
             return getWorkflowUtility().isLastApproverInRouteLevel(documentId, principalId, routeLevel);
     }
 
     /**
      * @deprecated use {@link #routeNodeHasApproverActionRequest(String, String, String)}
      */
     protected boolean routeLevelHasApproverActionRequest(String docType, String docContent, Integer routeLevel) throws WorkflowException {
             return getWorkflowUtility().routeLevelHasApproverActionRequest(docType, docContent, routeLevel);
     }
     
     /**
      * 
      * This method gets a list of ids of all principals who have a pending action request for a document.
      * 
      * @param actionRequestedCd
      * @param documentId
      * @return
      * @throws WorkflowException
      */
         public List<String> getPrincipalIdsWithPendingActionRequestByActionRequestedAndDocId(String actionRequestedCd, String documentId) throws WorkflowException {
                 String[] results = getWorkflowUtility().getPrincipalIdsWithPendingActionRequestByActionRequestedAndDocId(actionRequestedCd, documentId);
                 if (ObjectUtils.equals(null, results)) {
                         return null;
                 }
                 return (List<String>) Arrays.asList(results);
     }
 
     /**
      * This method gets a list of ids of all principals in the route log - 
      * - initiators, 
      * - people who have taken action, 
      * - people with a pending action request, 
          * - people who will receive an action request for the document in question
          * 
      * @param documentId
      * @param lookFuture
      * @return
      * @throws WorkflowException
      */
         public List<String> getPrincipalIdsInRouteLog(String documentId, boolean lookFuture) throws WorkflowException {
                 String[] results = getWorkflowUtility().getPrincipalIdsInRouteLog(documentId, lookFuture);
                 if (ObjectUtils.equals(null, results)) {
                         return null;
                 }
                 return (List<String>) Arrays.asList(results);
     }
     
     public String getDocumentInitiatorPrincipalId( String documentId ) throws WorkflowException {
             return getWorkflowUtility().getDocumentInitiatorPrincipalId(documentId);
     }
     public String getDocumentRoutedByPrincipalId( String documentId ) throws WorkflowException {
             return getWorkflowUtility().getDocumentRoutedByPrincipalId(documentId);
     }
     
     public boolean hasRouteNode(String documentTypeName, String routeNodeName) throws WorkflowException {
             return getWorkflowUtility().hasRouteNode(documentTypeName, routeNodeName);
     }
     
     public boolean isCurrentActiveDocumentType(String documentTypeName) throws WorkflowException {
             return getWorkflowUtility().isCurrentActiveDocumentType(documentTypeName);
     }
     
 }