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1   /**
2    * Copyright 2005-2012 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.kew.impl.document;
17  
18  import org.apache.commons.lang.StringUtils;
19  import org.apache.log4j.Logger;
20  import org.joda.time.DateTime;
21  import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
22  import org.kuali.rice.core.api.exception.RiceIllegalStateException;
23  import org.kuali.rice.kew.actionrequest.ActionRequestValue;
24  import org.kuali.rice.kew.actiontaken.ActionTakenValue;
25  import org.kuali.rice.kew.api.action.ActionRequest;
26  import org.kuali.rice.kew.api.action.ActionTaken;
27  import org.kuali.rice.kew.api.doctype.RouteNode;
28  import org.kuali.rice.kew.api.document.Document;
29  import org.kuali.rice.kew.api.document.DocumentContent;
30  import org.kuali.rice.kew.api.document.DocumentDetail;
31  import org.kuali.rice.kew.api.document.DocumentLink;
32  import org.kuali.rice.kew.api.document.DocumentStatus;
33  import org.kuali.rice.kew.api.document.WorkflowDocumentService;
34  import org.kuali.rice.kew.api.document.search.DocumentSearchCriteria;
35  import org.kuali.rice.kew.api.document.search.DocumentSearchResults;
36  import org.kuali.rice.kew.api.document.node.RouteNodeInstance;
37  import org.kuali.rice.kew.dto.DTOConverter;
38  import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;
39  import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValueContent;
40  import org.kuali.rice.kew.routeheader.DocumentStatusTransition;
41  import org.kuali.rice.kew.service.KEWServiceLocator;
42  
43  import javax.jws.WebParam;
44  import java.math.BigDecimal;
45  import java.sql.Timestamp;
46  import java.util.ArrayList;
47  import java.util.Collection;
48  import java.util.Collections;
49  import java.util.HashMap;
50  import java.util.LinkedHashSet;
51  import java.util.List;
52  import java.util.Map;
53  import java.util.Set;
54  
55  /**
56   * 
57   * @author Kuali Rice Team (rice.collab@kuali.org)
58   *
59   */
60  public class WorkflowDocumentServiceImpl implements WorkflowDocumentService {
61  
62  	private static final Logger LOG = Logger.getLogger(WorkflowDocumentServiceImpl.class);
63  	
64  	@Override
65  	public Document getDocument(String documentId) {
66  		if (StringUtils.isBlank(documentId)) {
67  			throw new RiceIllegalArgumentException("documentId was blank or null");
68  		}
69  		DocumentRouteHeaderValue documentBo = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);
70  		return DocumentRouteHeaderValue.to(documentBo);
71  	}
72  
73  	@Override
74  	public boolean doesDocumentExist(String documentId) {
75  	    if (StringUtils.isBlank(documentId)) {
76              throw new RiceIllegalArgumentException("documentId was blank or null");
77          }
78  	    DocumentRouteHeaderValue documentBo = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);
79  	    return documentBo != null;
80  	}
81  
82      @Override
83      public DocumentDetail getDocumentDetailByAppId(String documentTypeName, String appId) {
84          if (StringUtils.isEmpty(documentTypeName)) {
85              throw new RiceIllegalArgumentException("documentTypeName was blank or null");
86          }
87          if (StringUtils.isEmpty(appId)) {
88              throw new RiceIllegalArgumentException("appId was blank or null");
89          }
90  
91          Collection documentIds = KEWServiceLocator.getRouteHeaderService().findByDocTypeAndAppId(documentTypeName, appId);
92          if(documentIds==null||documentIds.isEmpty()){
93              throw new RiceIllegalStateException("No RouteHeader Ids found for documentTypName: " + documentTypeName + ", appId: " + appId);
94          }
95          if(documentIds.size()>1){
96              throw new RiceIllegalStateException("Multiple RouteHeader Ids found for documentTypName: " + documentTypeName + ", appId: " + appId);
97  		}
98  
99          return getDocumentDetail((String)documentIds.iterator().next());
100 	}
101 
102     public RouteNodeInstance getRouteNodeInstance(String nodeInstanceId)  {
103         if (StringUtils.isEmpty(nodeInstanceId)) {
104             throw new RiceIllegalArgumentException("nodeInstanceId was blank or null");
105         }
106         if ( LOG.isDebugEnabled() ) {
107         	LOG.debug("Fetching RouteNodeInstanceVO [id="+nodeInstanceId+"]");
108         }
109         org.kuali.rice.kew.engine.node.RouteNodeInstance nodeInstance = KEWServiceLocator.getRouteNodeService().findRouteNodeInstanceById(nodeInstanceId);
110         return org.kuali.rice.kew.engine.node.RouteNodeInstance.to(nodeInstance);
111     }
112 
113     @Override
114     public DocumentStatus getDocumentStatus(String documentId) {
115         if (StringUtils.isEmpty(documentId)) {
116             throw new RiceIllegalArgumentException("documentId was blank or null");
117         }
118         String documentStatus = KEWServiceLocator.getRouteHeaderService().getDocumentStatus(documentId);
119         if (StringUtils.isEmpty(documentStatus)) {
120             throw new RiceIllegalStateException("DocumentStatus not found for documentId: " + documentId);
121         }
122         return DocumentStatus.fromCode(documentStatus);
123     }
124 
125     @Override
126     public String getApplicationDocumentId(String documentId) {
127         if (StringUtils.isEmpty(documentId)) {
128             throw new RiceIllegalArgumentException("documentId was blank or null");
129         }
130  	 	return KEWServiceLocator.getRouteHeaderService().getAppDocId(documentId);
131  	}
132 
133     @Override
134     public DocumentSearchResults documentSearch(String principalId, DocumentSearchCriteria criteria) {
135         if (criteria == null) {
136             throw new RiceIllegalArgumentException("criteria was null");
137         }
138         return KEWServiceLocator.getDocumentSearchService().lookupDocuments(principalId, criteria);
139     }
140 
141     @Override
142     public List<String> getSearchableAttributeStringValuesByKey(String documentId, String key) {
143         if (StringUtils.isEmpty(documentId)) {
144             throw new RiceIllegalArgumentException("documentId was blank or null");
145         }
146         if (StringUtils.isEmpty(key)) {
147             throw new RiceIllegalArgumentException("key was blank or null");
148         }
149 		return KEWServiceLocator.getRouteHeaderService().getSearchableAttributeStringValuesByKey(documentId, key);
150 	}
151 
152     @Override
153 	public List<DateTime> getSearchableAttributeDateTimeValuesByKey(String documentId, String key) {
154 		if (StringUtils.isEmpty(documentId)) {
155             throw new RiceIllegalArgumentException("documentId was blank or null");
156         }
157         if (StringUtils.isEmpty(key)) {
158             throw new RiceIllegalArgumentException("key was blank or null");
159         }
160 
161         List<Timestamp> results = KEWServiceLocator.getRouteHeaderService().getSearchableAttributeDateTimeValuesByKey(documentId, key);
162         if (results == null) {
163             return null;
164         }
165         List<DateTime> dateTimes = new ArrayList<DateTime>();
166 
167 		for(Timestamp time : results) {
168             dateTimes.add(new DateTime(time.getTime()));
169         }
170         return dateTimes;
171 	}
172 
173     @Override
174 	public List<BigDecimal> getSearchableAttributeFloatValuesByKey(String documentId, String key) {
175         if (StringUtils.isEmpty(documentId)) {
176             throw new RiceIllegalArgumentException("documentId was blank or null");
177         }
178         if (StringUtils.isEmpty(key)) {
179             throw new RiceIllegalArgumentException("key was blank or null");
180         }
181 		return KEWServiceLocator.getRouteHeaderService().getSearchableAttributeFloatValuesByKey(documentId, key);
182 	}
183 
184     @Override
185     public List<Long> getSearchableAttributeLongValuesByKey(String documentId, String key) {
186         if (StringUtils.isEmpty(documentId)) {
187             throw new RiceIllegalArgumentException("documentId was blank or null");
188         }
189         if (StringUtils.isEmpty(key)) {
190             throw new RiceIllegalArgumentException("key was blank or null");
191         }
192 		return KEWServiceLocator.getRouteHeaderService().getSearchableAttributeLongValuesByKey(documentId, key);
193 	}
194 	
195 	@Override
196 	public DocumentContent getDocumentContent(String documentId) {
197 		if (StringUtils.isBlank(documentId)) {
198 			throw new RiceIllegalArgumentException("documentId was blank or null");
199 		}
200 		DocumentRouteHeaderValueContent content = KEWServiceLocator.getRouteHeaderService().getContent(documentId);
201 		return DocumentRouteHeaderValueContent.to(content);
202 	}
203 
204 	@Override
205 	public List<ActionRequest> getRootActionRequests(String documentId) {
206         if (StringUtils.isBlank(documentId)) {
207 			throw new RiceIllegalArgumentException("documentId was blank or null");
208 		}
209 		List<ActionRequest> actionRequests = new ArrayList<ActionRequest>();
210 		List<ActionRequestValue> actionRequestBos = KEWServiceLocator.getActionRequestService().findAllRootActionRequestsByDocumentId(documentId);
211 		for (ActionRequestValue actionRequestBo : actionRequestBos) {
212 			actionRequests.add(ActionRequestValue.to(actionRequestBo));
213 		}
214 		return Collections.unmodifiableList(actionRequests);
215 	}
216 	
217 	@Override
218 	public List<ActionRequest> getActionRequestsForPrincipalAtNode(String documentId, String nodeName,
219             String principalId) {
220         if (StringUtils.isBlank(documentId)) {
221         	throw new RiceIllegalArgumentException("documentId was null or blank");
222         }
223         if ( LOG.isDebugEnabled() ) {
224         	LOG.debug("Fetching ActionRequests [docId="+documentId+", nodeName="+nodeName+", principalId="+principalId+"]");
225         }
226         List<ActionRequestValue> actionRequestBos = KEWServiceLocator.getActionRequestService().findAllActionRequestsByDocumentId(documentId);
227         List<ActionRequestValue> matchingActionRequests = new ArrayList<ActionRequestValue>();
228         for (ActionRequestValue actionRequestValue : actionRequestBos) {
229             if (actionRequestMatches(actionRequestValue, nodeName, principalId)) {
230                 matchingActionRequests.add(actionRequestValue);
231             }
232         }
233         List<ActionRequest> actionRequests = new ArrayList<ActionRequest>(matchingActionRequests.size());
234         for (ActionRequestValue matchingActionRequest : matchingActionRequests) {
235         	actionRequests.add(ActionRequestValue.to(matchingActionRequest));
236         }
237         return actionRequests;
238     }
239 	
240     protected boolean actionRequestMatches(ActionRequestValue actionRequest, String nodeName, String principalId) {
241         boolean matchesUserId = true;  // assume a match in case user is empty
242         boolean matchesNodeName = true;  // assume a match in case node name is empty
243         if (StringUtils.isNotBlank(nodeName)) {
244             matchesNodeName = nodeName.equals(actionRequest.getPotentialNodeName());
245         }
246         if (principalId != null) {
247             matchesUserId = actionRequest.isRecipientRoutedRequest(principalId);
248         }
249         return matchesNodeName && matchesUserId;
250     }
251 
252 
253 	@Override
254 	public List<ActionTaken> getActionsTaken(String documentId) {
255         if (StringUtils.isEmpty(documentId)) {
256             throw new RiceIllegalArgumentException("documentId is null or empty.");
257         }
258 		List<ActionTaken> actionTakens = new ArrayList<ActionTaken>();
259 		Collection<ActionTakenValue> actionTakenBos = KEWServiceLocator.getActionTakenService().findByDocumentId(documentId);
260 		for (ActionTakenValue actionTakenBo : actionTakenBos) {
261 			actionTakens.add(ActionTakenValue.to(actionTakenBo));
262 		}
263 		return actionTakens;
264 	}
265 	
266 	@Override
267 	public DocumentDetail getDocumentDetail(@WebParam(name = "documentId") String documentId) {
268 		if (StringUtils.isBlank(documentId)) {
269             throw new RiceIllegalArgumentException("documentId was null or blank");
270         }
271         if ( LOG.isDebugEnabled() ) {
272         	LOG.debug("Fetching DocumentDetail [id="+documentId+"]");
273         }
274         DocumentRouteHeaderValue document = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);
275         if (document == null) {
276         	return null;
277         }
278         DocumentDetail documentDetailVO = DTOConverter.convertDocumentDetailNew(document);
279         if ( LOG.isDebugEnabled() ) {
280         	LOG.debug("Returning DocumentDetailVO [id=" + documentId + "]");
281         }
282         return documentDetailVO;
283 	}
284 
285     @Override
286     public List<org.kuali.rice.kew.api.document.DocumentStatusTransition> getDocumentStatusTransitionHistory(String documentId) {
287 		if (StringUtils.isBlank(documentId)) {
288             throw new RiceIllegalArgumentException("documentId was null or blank");
289         }
290         if ( LOG.isDebugEnabled() ) {
291             LOG.debug("Fetching document status transition history [id="+documentId+"]");
292         }
293         DocumentRouteHeaderValue document = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);;
294 
295         List<DocumentStatusTransition> list = document.getAppDocStatusHistory();
296 
297         List<org.kuali.rice.kew.api.document.DocumentStatusTransition> transitionHistory = new ArrayList<org.kuali.rice.kew.api.document.DocumentStatusTransition>(list.size());
298 
299         for (DocumentStatusTransition transition : list) {
300             transitionHistory.add(DocumentStatusTransition.to(transition));
301         }
302         return transitionHistory;
303     }
304 	
305 	@Override
306 	public List<RouteNodeInstance> getRouteNodeInstances(String documentId) {
307     	if (StringUtils.isBlank(documentId)) {
308             throw new RiceIllegalArgumentException("documentId was null or blank");
309         }
310 
311         if ( LOG.isDebugEnabled() ) {
312     		LOG.debug("Fetching RouteNodeInstances [documentId=" + documentId + "]");
313     	}
314     	DocumentRouteHeaderValue documentBo = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);
315     	if (documentBo == null) {
316     		return Collections.emptyList();
317     	}
318     	return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getFlattenedNodeInstances(documentBo, true));
319     }	
320 	
321 	@Override
322 	public List<RouteNodeInstance> getActiveRouteNodeInstances(String documentId) {
323 		if (StringUtils.isBlank(documentId)) {
324             throw new RiceIllegalArgumentException("documentId was null or blank");
325         }
326 
327         if ( LOG.isDebugEnabled() ) {
328     		LOG.debug("Fetching active RouteNodeInstances [documentId=" + documentId + "]");
329     	}
330         return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getActiveNodeInstances(documentId));
331 	}
332 
333     @Override
334     public List<RouteNodeInstance> getTerminalRouteNodeInstances(String documentId) {
335     	if (StringUtils.isBlank(documentId)) {
336             throw new RiceIllegalArgumentException("documentId was null or blank");
337         }
338 
339         if ( LOG.isDebugEnabled() ) {
340     		LOG.debug("Fetching terminal RouteNodeInstanceVOs [docId=" + documentId + "]");
341     	}
342         return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getTerminalNodeInstances(documentId));
343     }
344 
345     public List<RouteNodeInstance> getCurrentRouteNodeInstances(String documentId) {
346     	if (StringUtils.isBlank(documentId)) {
347             throw new RiceIllegalArgumentException("documentId was null or blank");
348         }
349 
350         if ( LOG.isDebugEnabled() ) {
351     		LOG.debug("Fetching current RouteNodeInstanceVOs [docId=" + documentId + "]");
352     	}
353     	return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getCurrentNodeInstances(documentId));
354     }
355 
356 	private List<RouteNodeInstance> convertRouteNodeInstances(List<org.kuali.rice.kew.engine.node.RouteNodeInstance> routeNodeInstanceBos) {
357 		List<RouteNodeInstance> routeNodeInstances = new ArrayList<RouteNodeInstance>();
358         for (org.kuali.rice.kew.engine.node.RouteNodeInstance routeNodeInstanceBo : routeNodeInstanceBos) {
359         	routeNodeInstances.add(org.kuali.rice.kew.engine.node.RouteNodeInstance.to(routeNodeInstanceBo));
360         }
361         return Collections.unmodifiableList(routeNodeInstances);
362 	}
363 	
364 	@Override
365 	public List<String> getPreviousRouteNodeNames(String documentId) {
366 
367 		if (StringUtils.isBlank(documentId)) {
368             throw new RiceIllegalArgumentException("documentId was null or blank");
369         }
370         if ( LOG.isDebugEnabled() ) {
371 			LOG.debug("Fetching previous node names [documentId=" + documentId + "]");
372 		}
373         return new ArrayList<String>(KEWServiceLocator.getRouteNodeService().findPreviousNodeNames(documentId));
374 	}
375 
376     @Override
377     public List<String> getPrincipalIdsWithPendingActionRequestByActionRequestedAndDocId(String actionRequestedCd, String documentId){
378     	if (StringUtils.isEmpty(actionRequestedCd)) {
379             throw new RiceIllegalArgumentException("actionRequestCd was blank or null");
380         }
381         if (StringUtils.isEmpty(documentId)) {
382             throw new RiceIllegalArgumentException("documentId was blank or null");
383         }
384         return KEWServiceLocator.getActionRequestService().
385     				getPrincipalIdsWithPendingActionRequestByActionRequestedAndDocId(actionRequestedCd, documentId);
386     }
387 
388     @Override
389     public String getDocumentInitiatorPrincipalId(String documentId) {
390         if (StringUtils.isEmpty(documentId)) {
391             throw new RiceIllegalArgumentException("documentId was blank or null");
392         }
393 
394         DocumentRouteHeaderValue header = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId, false);
395         if ( header == null) {
396         	return null;
397         }
398     	return header.getInitiatorWorkflowId();
399     }
400 
401     @Override
402     public String getRoutedByPrincipalIdByDocumentId(String documentId) {
403         if (StringUtils.isEmpty(documentId)) {
404             throw new RiceIllegalArgumentException("documentId was blank or null");
405         }
406 
407         DocumentRouteHeaderValue header = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId, false);
408         if ( header == null) {
409         	return null;
410         }
411     	return header.getRoutedByUserWorkflowId();
412     }
413 
414 	@Override
415 	public DocumentLink addDocumentLink(DocumentLink documentLink) throws RiceIllegalArgumentException {
416 		if (documentLink == null) {
417 			throw new RiceIllegalArgumentException("documentLink was null");
418 		}
419 		if (documentLink.getId() != null) {
420 			throw new RiceIllegalArgumentException("the given documentLink already has an id, cannot add a document link with an existing id");
421 		}
422 		org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo = org.kuali.rice.kew.documentlink.DocumentLink.from(documentLink);
423 		KEWServiceLocator.getDocumentLinkService().saveDocumentLink(documentLinkBo);
424 		return org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo);
425 	}
426 
427 	@Override
428 	public DocumentLink deleteDocumentLink(String documentLinkId) throws RiceIllegalArgumentException {
429 		if (StringUtils.isBlank(documentLinkId)) {
430 			throw new RiceIllegalArgumentException("documentLinkId was null or blank");
431 		}
432 		org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo = KEWServiceLocator.getDocumentLinkService().getDocumentLink(Long.valueOf(documentLinkId));
433 		if (documentLinkBo == null) {
434 			throw new RiceIllegalStateException("Failed to locate document link with the given documentLinkId: " + documentLinkId);
435 		}
436 		KEWServiceLocator.getDocumentLinkService().deleteDocumentLink(documentLinkBo);
437 		return org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo);
438 	}
439 	    
440 	@Override
441 	public List<DocumentLink> deleteDocumentLinksByDocumentId(String originatingDocumentId) throws RiceIllegalArgumentException {
442 		if (StringUtils.isBlank(originatingDocumentId)) {
443 			throw new RiceIllegalArgumentException("originatingDocumentId was null or blank");
444 		}
445 		List<org.kuali.rice.kew.documentlink.DocumentLink> documentLinkBos = KEWServiceLocator.getDocumentLinkService().getLinkedDocumentsByDocId(originatingDocumentId);
446 		if (documentLinkBos == null || documentLinkBos.isEmpty()) {
447 			return Collections.emptyList();
448 		}
449 		List<DocumentLink> deletedDocumentLinks = new ArrayList<DocumentLink>();
450 		for (org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo : documentLinkBos) {
451 			deletedDocumentLinks.add(org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo));
452 			KEWServiceLocator.getDocumentLinkService().deleteDocumentLink(documentLinkBo);
453 		}
454 		return Collections.unmodifiableList(deletedDocumentLinks);
455     }
456 	    
457 	@Override
458 	public List<DocumentLink> getOutgoingDocumentLinks(String originatingDocumentId) throws RiceIllegalArgumentException {
459 		if (StringUtils.isBlank(originatingDocumentId)) {
460 			throw new RiceIllegalArgumentException("originatingDocumentId was null or blank");
461 		}
462 		List<org.kuali.rice.kew.documentlink.DocumentLink> outgoingDocumentLinkBos = KEWServiceLocator.getDocumentLinkService().getLinkedDocumentsByDocId(originatingDocumentId);
463 		List<DocumentLink> outgoingDocumentLinks = new ArrayList<DocumentLink>();
464 		for (org.kuali.rice.kew.documentlink.DocumentLink outgoingDocumentLinkBo : outgoingDocumentLinkBos) {
465 			outgoingDocumentLinks.add(org.kuali.rice.kew.documentlink.DocumentLink.to(outgoingDocumentLinkBo));
466 		}
467 		return Collections.unmodifiableList(outgoingDocumentLinks);
468     }
469 	
470 	@Override
471 	public List<DocumentLink> getIncomingDocumentLinks(String destinationDocumentId) throws RiceIllegalArgumentException {
472 		if (StringUtils.isBlank(destinationDocumentId)) {
473 			throw new RiceIllegalArgumentException("destinationDocumentId was null or blank");
474 		}
475 		List<org.kuali.rice.kew.documentlink.DocumentLink> incomingDocumentLinkBos = KEWServiceLocator.getDocumentLinkService().getOutgoingLinkedDocumentsByDocId(destinationDocumentId);
476 		List<DocumentLink> incomingDocumentLinks = new ArrayList<DocumentLink>();
477 		for (org.kuali.rice.kew.documentlink.DocumentLink incomingDocumentLinkBo : incomingDocumentLinkBos) {
478 			incomingDocumentLinks.add(org.kuali.rice.kew.documentlink.DocumentLink.to(incomingDocumentLinkBo));
479 		}
480 		return Collections.unmodifiableList(incomingDocumentLinks);
481     }
482 	    
483 	@Override
484 	public DocumentLink getDocumentLink(String documentLinkId) throws RiceIllegalArgumentException {
485 		if (StringUtils.isBlank(documentLinkId)) {
486 			throw new RiceIllegalArgumentException("documentLinkId was null or blank");
487 		}
488 		org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo = KEWServiceLocator.getDocumentLinkService().getDocumentLink(Long.valueOf(documentLinkId));
489 		return org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo);
490     }
491 	
492 }