Coverage Report

Coverage Report - org.kuali.rice.kew.engine.node.RequestsNode

Classes in this File

Line Coverage

Branch Coverage

Complexity

RequestsNode

0/89

0/54

RequestsNode$FinalApproverContext

0/3

N/A

 /*
  * 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.engine.node;
 
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 
 import org.kuali.rice.kew.actionrequest.ActionRequestValue;
 import org.kuali.rice.kew.engine.RouteContext;
 import org.kuali.rice.kew.engine.RouteHelper;
 import org.kuali.rice.kew.exception.ResourceUnavailableException;
 import org.kuali.rice.kew.exception.RouteManagerException;
 import org.kuali.rice.kew.exception.WorkflowException;
 import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;
 import org.kuali.rice.kew.routemodule.RouteModule;
 import org.kuali.rice.kew.service.KEWServiceLocator;
 import org.kuali.rice.kew.util.ClassDumper;
 
 /**
  * A node which generates {@link ActionRequestValue} objects from a
  * {@link RouteModule}.
  * 
  * @author Kuali Rice Team (rice.collab@kuali.org)
  */
 public class RequestsNode extends RequestActivationNode {
 
         private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger
                         .getLogger( RequestsNode.class );
 
         protected static final String SUPPRESS_POLICY_ERRORS_KEY = "_suppressPolicyErrorsRequestActivationNode";
 
         public final SimpleResult process(RouteContext routeContext, RouteHelper routeHelper)
                         throws Exception {
                 try {
                         if ( !processCustom( routeContext, routeHelper ) ) {
                                 DocumentRouteHeaderValue document = routeContext.getDocument();
                                 RouteNodeInstance nodeInstance = routeContext.getNodeInstance();
                                 RouteNode node = nodeInstance.getRouteNode();
                                 // refreshSearchableAttributes(routeContext);
                                 // while no routable actions are activated and there are more
                                 // routeLevels to process
                                 if ( nodeInstance.isInitial() ) {
                                         if ( LOG.isDebugEnabled() ) {
                                                 LOG.debug( "RouteHeader info inside routing loop\n"
                                                                 + ClassDumper.dumpFields( document ) );
                                                 LOG.debug( "Looking for new actionRequests - routeLevel: "
                                                                 + node.getRouteNodeName() );
                                         }
                                         boolean suppressPolicyErrors = isSupressingPolicyErrors( routeContext );
                                         List<ActionRequestValue> requests = getNewActionRequests( routeContext );
                                         // for mandatory routes, requests must be generated
                                         if ( (requests.isEmpty()) && node.getMandatoryRouteInd().booleanValue()
                                                         && !suppressPolicyErrors ) {
                                                 LOG.warn( "no requests generated for mandatory route - "
                                                                 + node.getRouteNodeName() );
                                                 throw new RouteManagerException( "No requests generated for mandatory route "
                                                                 + node.getRouteNodeName() + ":" + node.getRouteMethodName(),
                                                                 routeContext );
                                         }
                                         // determine if we have any approve requests for FinalApprover
                                         // checks
                                         if ( !suppressPolicyErrors ) {                                
                                                 verifyFinalApprovalRequest( document, requests, nodeInstance, routeContext );
                                         }
                                 }
                         }
                         return super.process( routeContext, routeHelper );
                 } catch ( RouteManagerException ex ) {
                         // just re-throw - no need to wrap
                         throw ex;
                 } catch ( Exception e ) {
                         LOG.error( "Caught exception routing", e );
                         throw new RouteManagerException( e.getMessage(), e, routeContext );
                 }
         }
 
         /** Used by subclasses to replace the functioning of the process method.
          * 
          * @return <b>true</b> if custom processing was performed and the base implementation
          * in {@link #process(RouteContext, RouteHelper)} should be skipped.
          */
         protected boolean processCustom(RouteContext routeContext, RouteHelper routeHelper) throws Exception {
                 return false;
         }
         
         /**
          * Verifies the state of the action requests when a final approval action is involved.
          * 
          * Throws a RouteManagerException if actions were not generated correctly.
          */
         protected void verifyFinalApprovalRequest( DocumentRouteHeaderValue document, List<ActionRequestValue> requests, RouteNodeInstance nodeInstance, RouteContext routeContext ) throws RouteManagerException {
                 boolean pastFinalApprover = isPastFinalApprover( document, nodeInstance );
                 boolean hasApproveRequest = false;
                 for ( ActionRequestValue actionRequest : requests ) {
                         if ( actionRequest.isApproveOrCompleteRequest() ) {
                                 hasApproveRequest = true;
                                 break;
                         }
                 }
                 // if final approver route level and no approve request send to
                 // exception routing
                 if ( nodeInstance.getRouteNode().getFinalApprovalInd().booleanValue() ) {
                         // we must have an approve request generated if final
                         // approver level.
                         if ( !hasApproveRequest ) {
                                 throw new RouteManagerException(
                                                 "No Approve Request generated after final approver", routeContext );
                         }
                 } else if ( pastFinalApprover ) {
                         // we can't allow generation of approve requests after final
                         // approver. This guys going to exception routing.
                         if ( hasApproveRequest ) {
                                 throw new RouteManagerException(
                                                 "Approve Request generated after final approver", routeContext );
                         }
                 }
         }
 
 
         /**
          * @param routeLevel
          *            Route level for which the action requests will be generated
          * @param routeHeader
          *            route header for which the action requests are generated
          * @param saveFlag
          *            if true the new action requests will be saved, if false they
          *            are not written to the db
          * @return List of ActionRequests - NOTE they are only written to DB if
          *         saveFlag is set
          * @throws WorkflowException
          * @throws ResourceUnavailableException
          */
         public List<ActionRequestValue> getNewActionRequests(RouteContext context) throws Exception {
                 RouteNodeInstance nodeInstance = context.getNodeInstance();
                 String routeMethodName = nodeInstance.getRouteNode().getRouteMethodName();
                 if ( LOG.isDebugEnabled() ) {
                         LOG.debug( "Looking for action requests in " + routeMethodName + " : "
                                         + nodeInstance.getRouteNode().getRouteNodeName() );
                 }
                 List<ActionRequestValue> newRequests = new ArrayList<ActionRequestValue>();
                 try {
                         RouteModule routeModule = getRouteModule( context );
                         List<ActionRequestValue> requests = routeModule.findActionRequests( context );
                         for ( ActionRequestValue actionRequest : requests ) {
                                 if ( LOG.isDebugEnabled() ) {
                                         LOG.debug( "Request generated by RouteModule '" + routeModule + "' for node "
                                                         + nodeInstance + ":" + actionRequest );
                                 }
                                 actionRequest = KEWServiceLocator.getActionRequestService()
                                                 .initializeActionRequestGraph( actionRequest, context.getDocument(),
                                                                 nodeInstance );
                                 saveActionRequest( context, actionRequest );
                                 newRequests.add( actionRequest );
                         }
                 } catch ( WorkflowException ex ) {
                         LOG.warn( "Caught WorkflowException during routing", ex );
                         throw new RouteManagerException( ex, context );
                 }
                 return newRequests;
         }
 
         /**
          * Returns the RouteModule which should handle generating requests for this
          * RequestsNode.
          */
         protected RouteModule getRouteModule(RouteContext context) throws Exception {
                 return KEWServiceLocator.getRouteModuleService().findRouteModule(
                                 context.getNodeInstance().getRouteNode() );
         }
 
         /**
          * Checks if the document has past the final approver node by walking
          * backward through the previous node instances. Ignores any previous nodes
          * that have been "revoked".
          */
         protected boolean isPastFinalApprover(DocumentRouteHeaderValue document,
                         RouteNodeInstance nodeInstance) {
                 FinalApproverContext context = new FinalApproverContext();
                 List revokedNodeInstances = KEWServiceLocator.getRouteNodeService()
                                 .getRevokedNodeInstances( document );
                 Set revokedNodeInstanceIds = new HashSet();
                 for ( Iterator iterator = revokedNodeInstances.iterator(); iterator.hasNext(); ) {
                         RouteNodeInstance revokedNodeInstance = (RouteNodeInstance)iterator.next();
                         revokedNodeInstanceIds.add( revokedNodeInstance.getRouteNodeInstanceId() );
                 }
                 isPastFinalApprover( nodeInstance.getPreviousNodeInstances(), context,
                                 revokedNodeInstanceIds );
                 return context.isPast;
         }
 
         protected void isPastFinalApprover(List previousNodeInstances, FinalApproverContext context,
                         Set revokedNodeInstanceIds) {
                 if ( previousNodeInstances != null && !previousNodeInstances.isEmpty() ) {
                         for ( Iterator iterator = previousNodeInstances.iterator(); iterator.hasNext(); ) {
                                 if ( context.isPast ) {
                                         return;
                                 }
                                 RouteNodeInstance nodeInstance = (RouteNodeInstance)iterator.next();
                                 if ( context.inspected.contains( getKey( nodeInstance ) ) ) {
                                         continue;
                                 } else {
                                         context.inspected.add( getKey( nodeInstance ) );
                                 }
                                 if ( Boolean.TRUE.equals( nodeInstance.getRouteNode().getFinalApprovalInd() ) ) {
                                         // if the node instance has been revoked (by a Return To
                                         // Previous action for example)
                                         // then we don't want to consider that node when we
                                         // determine if we are past final
                                         // approval or not
                                         if ( !revokedNodeInstanceIds.contains( nodeInstance.getRouteNodeInstanceId() ) ) {
                                                 context.isPast = true;
                                         }
                                         return;
                                 }
                                 isPastFinalApprover( nodeInstance.getPreviousNodeInstances(), context,
                                                 revokedNodeInstanceIds );
                         }
                 }
         }
 
         /**
          * The method will get a key value which can be used for comparison
          * purposes. If the node instance has a primary key value, it will be
          * returned. However, if the node instance has not been saved to the
          * database (i.e. during a simulation) this method will return the node
          * instance passed in.
          */
         protected Object getKey(RouteNodeInstance nodeInstance) {
                 Long id = nodeInstance.getRouteNodeInstanceId();
                 return (id != null ? (Object)id : (Object)nodeInstance);
         }
 
         protected class FinalApproverContext {
                 public Set inspected = new HashSet();
 
                 public boolean isPast = false;
         }
 
         public static boolean isSupressingPolicyErrors(RouteContext routeContext) {
                 Boolean suppressPolicyErrors = (Boolean)routeContext.getParameters().get(
                                 SUPPRESS_POLICY_ERRORS_KEY );
                 if ( suppressPolicyErrors == null || !suppressPolicyErrors ) {
                         return false;
                 }
                 return true;
         }
 
         @SuppressWarnings("unchecked")
         public static void setSupressPolicyErrors(RouteContext routeContext) {
                 routeContext.getParameters().put( SUPPRESS_POLICY_ERRORS_KEY, Boolean.TRUE );
         }
 }

1		/*
2		* Copyright 2005-2007 The Kuali Foundation
3		*
4		*
5		* Licensed under the Educational Community License, Version 2.0 (the "License");
6		* you may not use this file except in compliance with the License.
7		* You may obtain a copy of the License at
8		*
9		* http://www.opensource.org/licenses/ecl2.php
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*/
17		package org.kuali.rice.kew.engine.node;
18
19		import java.util.ArrayList;
20		import java.util.HashSet;
21		import java.util.Iterator;
22		import java.util.List;
23		import java.util.Set;
24
25		import org.kuali.rice.kew.actionrequest.ActionRequestValue;
26		import org.kuali.rice.kew.engine.RouteContext;
27		import org.kuali.rice.kew.engine.RouteHelper;
28		import org.kuali.rice.kew.exception.ResourceUnavailableException;
29		import org.kuali.rice.kew.exception.RouteManagerException;
30		import org.kuali.rice.kew.exception.WorkflowException;
31		import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;
32		import org.kuali.rice.kew.routemodule.RouteModule;
33		import org.kuali.rice.kew.service.KEWServiceLocator;
34		import org.kuali.rice.kew.util.ClassDumper;
35
36		/**
37		* A node which generates {@link ActionRequestValue} objects from a
38		* {@link RouteModule}.
39		*
40		* @author Kuali Rice Team (rice.collab@kuali.org)
41		*/
42	0	public class RequestsNode extends RequestActivationNode {
43
44	0	private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger
45		.getLogger( RequestsNode.class );
46
47		protected static final String SUPPRESS_POLICY_ERRORS_KEY = "_suppressPolicyErrorsRequestActivationNode";
48
49		public final SimpleResult process(RouteContext routeContext, RouteHelper routeHelper)
50		throws Exception {
51		try {
52	0	if ( !processCustom( routeContext, routeHelper ) ) {
53	0	DocumentRouteHeaderValue document = routeContext.getDocument();
54	0	RouteNodeInstance nodeInstance = routeContext.getNodeInstance();
55	0	RouteNode node = nodeInstance.getRouteNode();
56		// refreshSearchableAttributes(routeContext);
57		// while no routable actions are activated and there are more
58		// routeLevels to process
59	0	if ( nodeInstance.isInitial() ) {
60	0	if ( LOG.isDebugEnabled() ) {
61	0	LOG.debug( "RouteHeader info inside routing loop\n"
62		+ ClassDumper.dumpFields( document ) );
63	0	LOG.debug( "Looking for new actionRequests - routeLevel: "
64		+ node.getRouteNodeName() );
65		}
66	0	boolean suppressPolicyErrors = isSupressingPolicyErrors( routeContext );
67	0	List<ActionRequestValue> requests = getNewActionRequests( routeContext );
68		// for mandatory routes, requests must be generated
69	0	if ( (requests.isEmpty()) && node.getMandatoryRouteInd().booleanValue()
70		&& !suppressPolicyErrors ) {
71	0	LOG.warn( "no requests generated for mandatory route - "
72		+ node.getRouteNodeName() );
73	0	throw new RouteManagerException( "No requests generated for mandatory route "
74		+ node.getRouteNodeName() + ":" + node.getRouteMethodName(),
75		routeContext );
76		}
77		// determine if we have any approve requests for FinalApprover
78		// checks
79	0	if ( !suppressPolicyErrors ) {
80	0	verifyFinalApprovalRequest( document, requests, nodeInstance, routeContext );
81		}
82		}
83		}
84	0	return super.process( routeContext, routeHelper );
85	0	} catch ( RouteManagerException ex ) {
86		// just re-throw - no need to wrap
87	0	throw ex;
88	0	} catch ( Exception e ) {
89	0	LOG.error( "Caught exception routing", e );
90	0	throw new RouteManagerException( e.getMessage(), e, routeContext );
91		}
92		}
93
94		/** Used by subclasses to replace the functioning of the process method.
95		*
96		* @return <b>true</b> if custom processing was performed and the base implementation
97		* in {@link #process(RouteContext, RouteHelper)} should be skipped.
98		*/
99		protected boolean processCustom(RouteContext routeContext, RouteHelper routeHelper) throws Exception {
100	0	return false;
101		}
102
103		/**
104		* Verifies the state of the action requests when a final approval action is involved.
105		*
106		* Throws a RouteManagerException if actions were not generated correctly.
107		*/
108		protected void verifyFinalApprovalRequest( DocumentRouteHeaderValue document, List<ActionRequestValue> requests, RouteNodeInstance nodeInstance, RouteContext routeContext ) throws RouteManagerException {
109	0	boolean pastFinalApprover = isPastFinalApprover( document, nodeInstance );
110	0	boolean hasApproveRequest = false;
111	0	for ( ActionRequestValue actionRequest : requests ) {
112	0	if ( actionRequest.isApproveOrCompleteRequest() ) {
113	0	hasApproveRequest = true;
114	0	break;
115		}
116		}
117		// if final approver route level and no approve request send to
118		// exception routing
119	0	if ( nodeInstance.getRouteNode().getFinalApprovalInd().booleanValue() ) {
120		// we must have an approve request generated if final
121		// approver level.
122	0	if ( !hasApproveRequest ) {
123	0	throw new RouteManagerException(
124		"No Approve Request generated after final approver", routeContext );
125		}
126	0	} else if ( pastFinalApprover ) {
127		// we can't allow generation of approve requests after final
128		// approver. This guys going to exception routing.
129	0	if ( hasApproveRequest ) {
130	0	throw new RouteManagerException(
131		"Approve Request generated after final approver", routeContext );
132		}
133		}
134	0	}
135
136
137		/**
138		* @param routeLevel
139		* Route level for which the action requests will be generated
140		* @param routeHeader
141		* route header for which the action requests are generated
142		* @param saveFlag
143		* if true the new action requests will be saved, if false they
144		* are not written to the db
145		* @return List of ActionRequests - NOTE they are only written to DB if
146		* saveFlag is set
147		* @throws WorkflowException
148		* @throws ResourceUnavailableException
149		*/
150		public List<ActionRequestValue> getNewActionRequests(RouteContext context) throws Exception {
151	0	RouteNodeInstance nodeInstance = context.getNodeInstance();
152	0	String routeMethodName = nodeInstance.getRouteNode().getRouteMethodName();
153	0	if ( LOG.isDebugEnabled() ) {
154	0	LOG.debug( "Looking for action requests in " + routeMethodName + " : "
155		+ nodeInstance.getRouteNode().getRouteNodeName() );
156		}
157	0	List<ActionRequestValue> newRequests = new ArrayList<ActionRequestValue>();
158		try {
159	0	RouteModule routeModule = getRouteModule( context );
160	0	List<ActionRequestValue> requests = routeModule.findActionRequests( context );
161	0	for ( ActionRequestValue actionRequest : requests ) {
162	0	if ( LOG.isDebugEnabled() ) {
163	0	LOG.debug( "Request generated by RouteModule '" + routeModule + "' for node "
164		+ nodeInstance + ":" + actionRequest );
165		}
166	0	actionRequest = KEWServiceLocator.getActionRequestService()
167		.initializeActionRequestGraph( actionRequest, context.getDocument(),
168		nodeInstance );
169	0	saveActionRequest( context, actionRequest );
170	0	newRequests.add( actionRequest );
171		}
172	0	} catch ( WorkflowException ex ) {
173	0	LOG.warn( "Caught WorkflowException during routing", ex );
174	0	throw new RouteManagerException( ex, context );
175	0	}
176	0	return newRequests;
177		}
178
179		/**
180		* Returns the RouteModule which should handle generating requests for this
181		* RequestsNode.
182		*/
183		protected RouteModule getRouteModule(RouteContext context) throws Exception {
184	0	return KEWServiceLocator.getRouteModuleService().findRouteModule(
185		context.getNodeInstance().getRouteNode() );
186		}
187
188		/**
189		* Checks if the document has past the final approver node by walking
190		* backward through the previous node instances. Ignores any previous nodes
191		* that have been "revoked".
192		*/
193		protected boolean isPastFinalApprover(DocumentRouteHeaderValue document,
194		RouteNodeInstance nodeInstance) {
195	0	FinalApproverContext context = new FinalApproverContext();
196	0	List revokedNodeInstances = KEWServiceLocator.getRouteNodeService()
197		.getRevokedNodeInstances( document );
198	0	Set revokedNodeInstanceIds = new HashSet();
199	0	for ( Iterator iterator = revokedNodeInstances.iterator(); iterator.hasNext(); ) {
200	0	RouteNodeInstance revokedNodeInstance = (RouteNodeInstance)iterator.next();
201	0	revokedNodeInstanceIds.add( revokedNodeInstance.getRouteNodeInstanceId() );
202	0	}
203	0	isPastFinalApprover( nodeInstance.getPreviousNodeInstances(), context,
204		revokedNodeInstanceIds );
205	0	return context.isPast;
206		}
207
208		protected void isPastFinalApprover(List previousNodeInstances, FinalApproverContext context,
209		Set revokedNodeInstanceIds) {
210	0	if ( previousNodeInstances != null && !previousNodeInstances.isEmpty() ) {
211	0	for ( Iterator iterator = previousNodeInstances.iterator(); iterator.hasNext(); ) {
212	0	if ( context.isPast ) {
213	0	return;
214		}
215	0	RouteNodeInstance nodeInstance = (RouteNodeInstance)iterator.next();
216	0	if ( context.inspected.contains( getKey( nodeInstance ) ) ) {
217	0	continue;
218		} else {
219	0	context.inspected.add( getKey( nodeInstance ) );
220		}
221	0	if ( Boolean.TRUE.equals( nodeInstance.getRouteNode().getFinalApprovalInd() ) ) {
222		// if the node instance has been revoked (by a Return To
223		// Previous action for example)
224		// then we don't want to consider that node when we
225		// determine if we are past final
226		// approval or not
227	0	if ( !revokedNodeInstanceIds.contains( nodeInstance.getRouteNodeInstanceId() ) ) {
228	0	context.isPast = true;
229		}
230	0	return;
231		}
232	0	isPastFinalApprover( nodeInstance.getPreviousNodeInstances(), context,
233		revokedNodeInstanceIds );
234	0	}
235		}
236	0	}
237
238		/**
239		* The method will get a key value which can be used for comparison
240		* purposes. If the node instance has a primary key value, it will be
241		* returned. However, if the node instance has not been saved to the
242		* database (i.e. during a simulation) this method will return the node
243		* instance passed in.
244		*/
245		protected Object getKey(RouteNodeInstance nodeInstance) {
246	0	Long id = nodeInstance.getRouteNodeInstanceId();
247	0	return (id != null ? (Object)id : (Object)nodeInstance);
248		}
249
250	0	protected class FinalApproverContext {
251	0	public Set inspected = new HashSet();
252
253	0	public boolean isPast = false;
254		}
255
256		public static boolean isSupressingPolicyErrors(RouteContext routeContext) {
257	0	Boolean suppressPolicyErrors = (Boolean)routeContext.getParameters().get(
258		SUPPRESS_POLICY_ERRORS_KEY );
259	0	if ( suppressPolicyErrors == null \|\| !suppressPolicyErrors ) {
260	0	return false;
261		}
262	0	return true;
263		}
264
265		@SuppressWarnings("unchecked")
266		public static void setSupressPolicyErrors(RouteContext routeContext) {
267	0	routeContext.getParameters().put( SUPPRESS_POLICY_ERRORS_KEY, Boolean.TRUE );
268	0	}
269		}