View Javadoc

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> getPendingActionRequests(String documentId) {
219 		if (StringUtils.isBlank(documentId)) {
220 			throw new RiceIllegalArgumentException("documentId was blank or null");
221 		}
222 		List<ActionRequest> actionRequests = new ArrayList<ActionRequest>();
223 		List<ActionRequestValue> actionRequestBos = KEWServiceLocator.getActionRequestService().findAllPendingRequests(documentId);
224 		for (ActionRequestValue actionRequestBo : actionRequestBos) {
225 			actionRequests.add(ActionRequestValue.to(actionRequestBo));
226 		}
227 		return Collections.unmodifiableList(actionRequests);
228 	}
229 	
230 	@Override
231 	public List<ActionRequest> getActionRequestsForPrincipalAtNode(String documentId, String nodeName,
232             String principalId) {
233         if (StringUtils.isBlank(documentId)) {
234         	throw new RiceIllegalArgumentException("documentId was null or blank");
235         }
236         if ( LOG.isDebugEnabled() ) {
237         	LOG.debug("Fetching ActionRequests [docId="+documentId+", nodeName="+nodeName+", principalId="+principalId+"]");
238         }
239         List<ActionRequestValue> actionRequestBos = KEWServiceLocator.getActionRequestService().findAllActionRequestsByDocumentId(documentId);
240         List<ActionRequestValue> matchingActionRequests = new ArrayList<ActionRequestValue>();
241         for (ActionRequestValue actionRequestValue : actionRequestBos) {
242             if (actionRequestMatches(actionRequestValue, nodeName, principalId)) {
243                 matchingActionRequests.add(actionRequestValue);
244             }
245         }
246         List<ActionRequest> actionRequests = new ArrayList<ActionRequest>(matchingActionRequests.size());
247         for (ActionRequestValue matchingActionRequest : matchingActionRequests) {
248         	actionRequests.add(ActionRequestValue.to(matchingActionRequest));
249         }
250         return actionRequests;
251     }
252 	
253     protected boolean actionRequestMatches(ActionRequestValue actionRequest, String nodeName, String principalId) {
254         boolean matchesUserId = true;  // assume a match in case user is empty
255         boolean matchesNodeName = true;  // assume a match in case node name is empty
256         if (StringUtils.isNotBlank(nodeName)) {
257             matchesNodeName = nodeName.equals(actionRequest.getPotentialNodeName());
258         }
259         if (principalId != null) {
260             matchesUserId = actionRequest.isRecipientRoutedRequest(principalId);
261         }
262         return matchesNodeName && matchesUserId;
263     }
264 
265 
266 	@Override
267 	public List<ActionTaken> getActionsTaken(String documentId) {
268         if (StringUtils.isEmpty(documentId)) {
269             throw new RiceIllegalArgumentException("documentId is null or empty.");
270         }
271 		List<ActionTaken> actionTakens = new ArrayList<ActionTaken>();
272 		Collection<ActionTakenValue> actionTakenBos = KEWServiceLocator.getActionTakenService().findByDocumentId(documentId);
273 		for (ActionTakenValue actionTakenBo : actionTakenBos) {
274 			actionTakens.add(ActionTakenValue.to(actionTakenBo));
275 		}
276 		return actionTakens;
277 	}
278 
279     @Override
280     public List<ActionTaken> _getActionsTaken(String documentId) {
281         return getActionsTaken(documentId);
282     }
283 
284     @Override
285     public List<ActionTaken> getAllActionsTaken(String documentId){
286         if(StringUtils.isEmpty(documentId)){
287             throw new RiceIllegalArgumentException("documentId is null or empty.");
288         }
289 
290 		List<ActionTaken> actionsTaken = new ArrayList<ActionTaken>();
291         Collection<ActionTakenValue> actionTakenBos = KEWServiceLocator.getActionTakenService().findByDocumentIdIgnoreCurrentInd(documentId);
292 		for (ActionTakenValue actionTakenBo : actionTakenBos) {
293 			actionsTaken.add(ActionTakenValue.to(actionTakenBo));
294 		}
295        return actionsTaken;
296     }
297 	
298 	@Override
299 	public DocumentDetail getDocumentDetail(@WebParam(name = "documentId") String documentId) {
300 		if (StringUtils.isBlank(documentId)) {
301             throw new RiceIllegalArgumentException("documentId was null or blank");
302         }
303         if ( LOG.isDebugEnabled() ) {
304         	LOG.debug("Fetching DocumentDetail [id="+documentId+"]");
305         }
306         DocumentRouteHeaderValue document = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);
307         if (document == null) {
308         	return null;
309         }
310         DocumentDetail documentDetailVO = DTOConverter.convertDocumentDetailNew(document);
311         if ( LOG.isDebugEnabled() ) {
312         	LOG.debug("Returning DocumentDetailVO [id=" + documentId + "]");
313         }
314         return documentDetailVO;
315 	}
316 
317     @Override
318     public List<org.kuali.rice.kew.api.document.DocumentStatusTransition> getDocumentStatusTransitionHistory(String documentId) {
319 		if (StringUtils.isBlank(documentId)) {
320             throw new RiceIllegalArgumentException("documentId was null or blank");
321         }
322         if ( LOG.isDebugEnabled() ) {
323             LOG.debug("Fetching document status transition history [id="+documentId+"]");
324         }
325         DocumentRouteHeaderValue document = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);;
326 
327         List<DocumentStatusTransition> list = document.getAppDocStatusHistory();
328 
329         List<org.kuali.rice.kew.api.document.DocumentStatusTransition> transitionHistory = new ArrayList<org.kuali.rice.kew.api.document.DocumentStatusTransition>(list.size());
330 
331         for (DocumentStatusTransition transition : list) {
332             transitionHistory.add(DocumentStatusTransition.to(transition));
333         }
334         return transitionHistory;
335     }
336 	
337 	@Override
338 	public List<RouteNodeInstance> getRouteNodeInstances(String documentId) {
339     	if (StringUtils.isBlank(documentId)) {
340             throw new RiceIllegalArgumentException("documentId was null or blank");
341         }
342 
343         if ( LOG.isDebugEnabled() ) {
344     		LOG.debug("Fetching RouteNodeInstances [documentId=" + documentId + "]");
345     	}
346     	DocumentRouteHeaderValue documentBo = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId);
347     	if (documentBo == null) {
348     		return Collections.emptyList();
349     	}
350     	return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getFlattenedNodeInstances(documentBo, true));
351     }	
352 	
353 	@Override
354 	public List<RouteNodeInstance> getActiveRouteNodeInstances(String documentId) {
355 		if (StringUtils.isBlank(documentId)) {
356             throw new RiceIllegalArgumentException("documentId was null or blank");
357         }
358 
359         if ( LOG.isDebugEnabled() ) {
360     		LOG.debug("Fetching active RouteNodeInstances [documentId=" + documentId + "]");
361     	}
362         return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getActiveNodeInstances(documentId));
363 	}
364 
365     @Override
366     public List<RouteNodeInstance> getTerminalRouteNodeInstances(String documentId) {
367     	if (StringUtils.isBlank(documentId)) {
368             throw new RiceIllegalArgumentException("documentId was null or blank");
369         }
370 
371         if ( LOG.isDebugEnabled() ) {
372     		LOG.debug("Fetching terminal RouteNodeInstanceVOs [docId=" + documentId + "]");
373     	}
374         return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getTerminalNodeInstances(documentId));
375     }
376 
377     public List<RouteNodeInstance> getCurrentRouteNodeInstances(String documentId) {
378     	if (StringUtils.isBlank(documentId)) {
379             throw new RiceIllegalArgumentException("documentId was null or blank");
380         }
381 
382         if ( LOG.isDebugEnabled() ) {
383     		LOG.debug("Fetching current RouteNodeInstanceVOs [docId=" + documentId + "]");
384     	}
385     	return convertRouteNodeInstances(KEWServiceLocator.getRouteNodeService().getCurrentNodeInstances(documentId));
386     }
387     
388     public List<String> getActiveRouteNodeNames(String documentId) {
389     	if (StringUtils.isBlank(documentId)) {
390             throw new RiceIllegalArgumentException("documentId was null or blank");
391         }
392     	
393     	final List<String> nodes = KEWServiceLocator.getRouteNodeService().getActiveRouteNodeNames(documentId);
394     	return nodes != null ? Collections.unmodifiableList(nodes) : Collections.<String>emptyList();
395     }
396     
397     public List<String> getTerminalRouteNodeNames(String documentId) {
398     	if (StringUtils.isBlank(documentId)) {
399             throw new RiceIllegalArgumentException("documentId was null or blank");
400         }
401     	
402     	final List<String> nodes = KEWServiceLocator.getRouteNodeService().getTerminalRouteNodeNames(documentId);
403     	return nodes != null ? Collections.unmodifiableList(nodes) : Collections.<String>emptyList();
404     }
405 
406     public List<String> getCurrentRouteNodeNames(String documentId) {
407     	if (StringUtils.isBlank(documentId)) {
408             throw new RiceIllegalArgumentException("documentId was null or blank");
409         }
410     	
411     	final List<String> nodes = KEWServiceLocator.getRouteNodeService().getCurrentRouteNodeNames(documentId);
412     	return nodes != null ? Collections.unmodifiableList(nodes) : Collections.<String>emptyList();
413     }
414 
415 	private List<RouteNodeInstance> convertRouteNodeInstances(List<org.kuali.rice.kew.engine.node.RouteNodeInstance> routeNodeInstanceBos) {
416 		List<RouteNodeInstance> routeNodeInstances = new ArrayList<RouteNodeInstance>();
417         for (org.kuali.rice.kew.engine.node.RouteNodeInstance routeNodeInstanceBo : routeNodeInstanceBos) {
418         	routeNodeInstances.add(org.kuali.rice.kew.engine.node.RouteNodeInstance.to(routeNodeInstanceBo));
419         }
420         return Collections.unmodifiableList(routeNodeInstances);
421 	}
422 	
423 	@Override
424 	public List<String> getPreviousRouteNodeNames(String documentId) {
425 
426 		if (StringUtils.isBlank(documentId)) {
427             throw new RiceIllegalArgumentException("documentId was null or blank");
428         }
429         if ( LOG.isDebugEnabled() ) {
430 			LOG.debug("Fetching previous node names [documentId=" + documentId + "]");
431 		}
432         return new ArrayList<String>(KEWServiceLocator.getRouteNodeService().findPreviousNodeNames(documentId));
433 	}
434 
435     @Override
436     public List<String> getPrincipalIdsWithPendingActionRequestByActionRequestedAndDocId(String actionRequestedCd, String documentId){
437     	if (StringUtils.isEmpty(actionRequestedCd)) {
438             throw new RiceIllegalArgumentException("actionRequestCd was blank or null");
439         }
440         if (StringUtils.isEmpty(documentId)) {
441             throw new RiceIllegalArgumentException("documentId was blank or null");
442         }
443         return KEWServiceLocator.getActionRequestService().
444     				getPrincipalIdsWithPendingActionRequestByActionRequestedAndDocId(actionRequestedCd, documentId);
445     }
446 
447     @Override
448     public String getDocumentInitiatorPrincipalId(String documentId) {
449         if (StringUtils.isEmpty(documentId)) {
450             throw new RiceIllegalArgumentException("documentId was blank or null");
451         }
452 
453         DocumentRouteHeaderValue header = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId, false);
454         if ( header == null) {
455         	return null;
456         }
457     	return header.getInitiatorWorkflowId();
458     }
459 
460     @Override
461     public String getRoutedByPrincipalIdByDocumentId(String documentId) {
462         if (StringUtils.isEmpty(documentId)) {
463             throw new RiceIllegalArgumentException("documentId was blank or null");
464         }
465 
466         DocumentRouteHeaderValue header = KEWServiceLocator.getRouteHeaderService().getRouteHeader(documentId, false);
467         if ( header == null) {
468         	return null;
469         }
470     	return header.getRoutedByUserWorkflowId();
471     }
472 
473 	@Override
474 	public DocumentLink addDocumentLink(DocumentLink documentLink) throws RiceIllegalArgumentException {
475 		if (documentLink == null) {
476 			throw new RiceIllegalArgumentException("documentLink was null");
477 		}
478 		if (documentLink.getId() != null) {
479 			throw new RiceIllegalArgumentException("the given documentLink already has an id, cannot add a document link with an existing id");
480 		}
481 		org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo = org.kuali.rice.kew.documentlink.DocumentLink.from(documentLink);
482 		KEWServiceLocator.getDocumentLinkService().saveDocumentLink(documentLinkBo);
483 		return org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo);
484 	}
485 
486 	@Override
487 	public DocumentLink deleteDocumentLink(String documentLinkId) throws RiceIllegalArgumentException {
488 		if (StringUtils.isBlank(documentLinkId)) {
489 			throw new RiceIllegalArgumentException("documentLinkId was null or blank");
490 		}
491 		org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo = KEWServiceLocator.getDocumentLinkService().getDocumentLink(Long.valueOf(documentLinkId));
492 		if (documentLinkBo == null) {
493 			throw new RiceIllegalStateException("Failed to locate document link with the given documentLinkId: " + documentLinkId);
494 		}
495 		KEWServiceLocator.getDocumentLinkService().deleteDocumentLink(documentLinkBo);
496 		return org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo);
497 	}
498 	    
499 	@Override
500 	public List<DocumentLink> deleteDocumentLinksByDocumentId(String originatingDocumentId) throws RiceIllegalArgumentException {
501 		if (StringUtils.isBlank(originatingDocumentId)) {
502 			throw new RiceIllegalArgumentException("originatingDocumentId was null or blank");
503 		}
504 		List<org.kuali.rice.kew.documentlink.DocumentLink> documentLinkBos = KEWServiceLocator.getDocumentLinkService().getLinkedDocumentsByDocId(originatingDocumentId);
505 		if (documentLinkBos == null || documentLinkBos.isEmpty()) {
506 			return Collections.emptyList();
507 		}
508 		List<DocumentLink> deletedDocumentLinks = new ArrayList<DocumentLink>();
509 		for (org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo : documentLinkBos) {
510 			deletedDocumentLinks.add(org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo));
511 			KEWServiceLocator.getDocumentLinkService().deleteDocumentLink(documentLinkBo);
512 		}
513 		return Collections.unmodifiableList(deletedDocumentLinks);
514     }
515 	    
516 	@Override
517 	public List<DocumentLink> getOutgoingDocumentLinks(String originatingDocumentId) throws RiceIllegalArgumentException {
518 		if (StringUtils.isBlank(originatingDocumentId)) {
519 			throw new RiceIllegalArgumentException("originatingDocumentId was null or blank");
520 		}
521 		List<org.kuali.rice.kew.documentlink.DocumentLink> outgoingDocumentLinkBos = KEWServiceLocator.getDocumentLinkService().getLinkedDocumentsByDocId(originatingDocumentId);
522 		List<DocumentLink> outgoingDocumentLinks = new ArrayList<DocumentLink>();
523 		for (org.kuali.rice.kew.documentlink.DocumentLink outgoingDocumentLinkBo : outgoingDocumentLinkBos) {
524 			outgoingDocumentLinks.add(org.kuali.rice.kew.documentlink.DocumentLink.to(outgoingDocumentLinkBo));
525 		}
526 		return Collections.unmodifiableList(outgoingDocumentLinks);
527     }
528 	
529 	@Override
530 	public List<DocumentLink> getIncomingDocumentLinks(String destinationDocumentId) throws RiceIllegalArgumentException {
531 		if (StringUtils.isBlank(destinationDocumentId)) {
532 			throw new RiceIllegalArgumentException("destinationDocumentId was null or blank");
533 		}
534 		List<org.kuali.rice.kew.documentlink.DocumentLink> incomingDocumentLinkBos = KEWServiceLocator.getDocumentLinkService().getOutgoingLinkedDocumentsByDocId(destinationDocumentId);
535 		List<DocumentLink> incomingDocumentLinks = new ArrayList<DocumentLink>();
536 		for (org.kuali.rice.kew.documentlink.DocumentLink incomingDocumentLinkBo : incomingDocumentLinkBos) {
537 			incomingDocumentLinks.add(org.kuali.rice.kew.documentlink.DocumentLink.to(incomingDocumentLinkBo));
538 		}
539 		return Collections.unmodifiableList(incomingDocumentLinks);
540     }
541 	    
542 	@Override
543 	public DocumentLink getDocumentLink(String documentLinkId) throws RiceIllegalArgumentException {
544 		if (StringUtils.isBlank(documentLinkId)) {
545 			throw new RiceIllegalArgumentException("documentLinkId was null or blank");
546 		}
547 		org.kuali.rice.kew.documentlink.DocumentLink documentLinkBo = KEWServiceLocator.getDocumentLinkService().getDocumentLink(Long.valueOf(documentLinkId));
548 		return org.kuali.rice.kew.documentlink.DocumentLink.to(documentLinkBo);
549     }
550 	
551 }