001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.service.impl;
016    
017    import com.liferay.portal.NoSuchWorkflowInstanceLinkException;
018    import com.liferay.portal.kernel.exception.PortalException;
019    import com.liferay.portal.kernel.exception.SystemException;
020    import com.liferay.portal.kernel.util.LocaleUtil;
021    import com.liferay.portal.kernel.util.StringBundler;
022    import com.liferay.portal.kernel.workflow.WorkflowConstants;
023    import com.liferay.portal.kernel.workflow.WorkflowHandler;
024    import com.liferay.portal.kernel.workflow.WorkflowHandlerRegistryUtil;
025    import com.liferay.portal.kernel.workflow.WorkflowInstance;
026    import com.liferay.portal.kernel.workflow.WorkflowInstanceManagerUtil;
027    import com.liferay.portal.kernel.workflow.WorkflowThreadLocal;
028    import com.liferay.portal.model.User;
029    import com.liferay.portal.model.WorkflowDefinitionLink;
030    import com.liferay.portal.model.WorkflowInstanceLink;
031    import com.liferay.portal.service.base.WorkflowInstanceLinkLocalServiceBaseImpl;
032    import com.liferay.portal.util.PortalUtil;
033    
034    import java.io.Serializable;
035    
036    import java.util.Date;
037    import java.util.HashMap;
038    import java.util.List;
039    import java.util.Map;
040    
041    /**
042     * @author Brian Wing Shun Chan
043     * @author Bruno Farache
044     * @author Marcellus Tavares
045     */
046    public class WorkflowInstanceLinkLocalServiceImpl
047            extends WorkflowInstanceLinkLocalServiceBaseImpl {
048    
049            @Override
050            public WorkflowInstanceLink addWorkflowInstanceLink(
051                            long userId, long companyId, long groupId, String className,
052                            long classPK, long workflowInstanceId)
053                    throws PortalException, SystemException {
054    
055                    User user = userPersistence.findByPrimaryKey(userId);
056                    long classNameId = PortalUtil.getClassNameId(className);
057                    Date now = new Date();
058    
059                    long workflowInstanceLinkId = counterLocalService.increment();
060    
061                    WorkflowInstanceLink workflowInstanceLink =
062                            workflowInstanceLinkPersistence.create(workflowInstanceLinkId);
063    
064                    workflowInstanceLink.setCreateDate(now);
065                    workflowInstanceLink.setModifiedDate(now);
066                    workflowInstanceLink.setUserId(userId);
067                    workflowInstanceLink.setUserName(user.getFullName());
068                    workflowInstanceLink.setGroupId(groupId);
069                    workflowInstanceLink.setCompanyId(companyId);
070                    workflowInstanceLink.setClassNameId(classNameId);
071                    workflowInstanceLink.setClassPK(classPK);
072                    workflowInstanceLink.setWorkflowInstanceId(workflowInstanceId);
073    
074                    workflowInstanceLinkPersistence.update(workflowInstanceLink);
075    
076                    return workflowInstanceLink;
077            }
078    
079            @Override
080            public WorkflowInstanceLink deleteWorkflowInstanceLink(
081                            long workflowInstanceLinkId)
082                    throws PortalException, SystemException {
083    
084                    WorkflowInstanceLink workflowInstanceLink = fetchWorkflowInstanceLink(
085                            workflowInstanceLinkId);
086    
087                    return deleteWorkflowInstanceLink(workflowInstanceLink);
088            }
089    
090            @Override
091            public WorkflowInstanceLink deleteWorkflowInstanceLink(
092                            long companyId, long groupId, String className, long classPK)
093                    throws PortalException, SystemException {
094    
095                    WorkflowInstanceLink workflowInstanceLink = fetchWorkflowInstanceLink(
096                            companyId, groupId, className, classPK);
097    
098                    return deleteWorkflowInstanceLink(workflowInstanceLink);
099            }
100    
101            @Override
102            public WorkflowInstanceLink deleteWorkflowInstanceLink(
103                            WorkflowInstanceLink workflowInstanceLink)
104                    throws PortalException, SystemException {
105    
106                    if (workflowInstanceLink == null) {
107                            return null;
108                    }
109    
110                    super.deleteWorkflowInstanceLink(workflowInstanceLink);
111    
112                    subscriptionLocalService.deleteSubscriptions(
113                            workflowInstanceLink.getCompanyId(),
114                            WorkflowInstance.class.getName(),
115                            workflowInstanceLink.getWorkflowInstanceId());
116    
117                    WorkflowInstanceManagerUtil.deleteWorkflowInstance(
118                            workflowInstanceLink.getCompanyId(),
119                            workflowInstanceLink.getWorkflowInstanceId());
120    
121                    return workflowInstanceLink;
122            }
123    
124            @Override
125            public void deleteWorkflowInstanceLinks(
126                            long companyId, long groupId, String className, long classPK)
127                    throws PortalException, SystemException {
128    
129                    List<WorkflowInstanceLink> workflowInstanceLinks =
130                            getWorkflowInstanceLinks(companyId, groupId, className, classPK);
131    
132                    for (WorkflowInstanceLink workflowInstanceLink :
133                                    workflowInstanceLinks) {
134    
135                            deleteWorkflowInstanceLink(workflowInstanceLink);
136                    }
137            }
138    
139            @Override
140            public WorkflowInstanceLink fetchWorkflowInstanceLink(
141                            long companyId, long groupId, String className, long classPK)
142                    throws SystemException {
143    
144                    List<WorkflowInstanceLink> workflowInstanceLinks =
145                            getWorkflowInstanceLinks(companyId, groupId, className, classPK);
146    
147                    if (!workflowInstanceLinks.isEmpty()) {
148                            return workflowInstanceLinks.get(0);
149                    }
150                    else {
151                            return null;
152                    }
153            }
154    
155            @Override
156            public String getState(
157                            long companyId, long groupId, String className, long classPK)
158                    throws PortalException, SystemException {
159    
160                    WorkflowInstanceLink workflowInstanceLink = getWorkflowInstanceLink(
161                            companyId, groupId, className, classPK);
162    
163                    WorkflowInstance workflowInstance =
164                            WorkflowInstanceManagerUtil.getWorkflowInstance(
165                                    companyId, workflowInstanceLink.getWorkflowInstanceId());
166    
167                    return workflowInstance.getState();
168            }
169    
170            @Override
171            public WorkflowInstanceLink getWorkflowInstanceLink(
172                            long companyId, long groupId, String className, long classPK)
173                    throws PortalException, SystemException {
174    
175                    List<WorkflowInstanceLink> workflowInstanceLinks =
176                            getWorkflowInstanceLinks(companyId, groupId, className, classPK);
177    
178                    if (workflowInstanceLinks.isEmpty()) {
179                            StringBundler sb = new StringBundler(9);
180    
181                            sb.append("{companyId=");
182                            sb.append(companyId);
183                            sb.append(", groupId=");
184                            sb.append(groupId);
185                            sb.append(", className=");
186                            sb.append(className);
187                            sb.append(", classPK=");
188                            sb.append(classPK);
189                            sb.append("}");
190    
191                            throw new NoSuchWorkflowInstanceLinkException(sb.toString());
192                    }
193                    else {
194                            return workflowInstanceLinks.get(0);
195                    }
196            }
197    
198            @Override
199            public List<WorkflowInstanceLink> getWorkflowInstanceLinks(
200                            long companyId, long groupId, String className, long classPK)
201                    throws SystemException {
202    
203                    long classNameId = PortalUtil.getClassNameId(className);
204    
205                    return workflowInstanceLinkPersistence.findByG_C_C_C(
206                            groupId, companyId, classNameId, classPK);
207            }
208    
209            @Override
210            public boolean hasWorkflowInstanceLink(
211                            long companyId, long groupId, String className, long classPK)
212                    throws SystemException {
213    
214                    WorkflowInstanceLink workflowInstanceLink = fetchWorkflowInstanceLink(
215                            companyId, groupId, className, classPK);
216    
217                    if (workflowInstanceLink != null) {
218                            return true;
219                    }
220    
221                    return false;
222            }
223    
224            @Override
225            public boolean isEnded(
226                            long companyId, long groupId, String className, long classPK)
227                    throws PortalException, SystemException {
228    
229                    WorkflowInstanceLink workflowInstanceLink = fetchWorkflowInstanceLink(
230                            companyId, groupId, className, classPK);
231    
232                    if (workflowInstanceLink == null) {
233                            return false;
234                    }
235    
236                    WorkflowInstance workflowInstance =
237                            WorkflowInstanceManagerUtil.getWorkflowInstance(
238                                    companyId, workflowInstanceLink.getWorkflowInstanceId());
239    
240                    if (workflowInstance.getEndDate() != null) {
241                            return true;
242                    }
243    
244                    return false;
245            }
246    
247            @Override
248            public void startWorkflowInstance(
249                            long companyId, long groupId, long userId, String className,
250                            long classPK, Map<String, Serializable> workflowContext)
251                    throws PortalException, SystemException {
252    
253                    if (!WorkflowThreadLocal.isEnabled()) {
254                            return;
255                    }
256    
257                    if (userId == 0) {
258                            userId = userLocalService.getDefaultUserId(companyId);
259                    }
260    
261                    WorkflowHandler workflowHandler =
262                            WorkflowHandlerRegistryUtil.getWorkflowHandler(className);
263    
264                    WorkflowDefinitionLink workflowDefinitionLink =
265                            workflowHandler.getWorkflowDefinitionLink(
266                                    companyId, groupId, classPK);
267    
268                    String workflowDefinitionName =
269                            workflowDefinitionLink.getWorkflowDefinitionName();
270                    int workflowDefinitionVersion =
271                            workflowDefinitionLink.getWorkflowDefinitionVersion();
272    
273                    if (workflowContext != null) {
274                            workflowContext = new HashMap<String, Serializable>(
275                                    workflowContext);
276                    }
277                    else {
278                            workflowContext = new HashMap<String, Serializable>();
279                    }
280    
281                    workflowContext.put(
282                            WorkflowConstants.CONTEXT_COMPANY_ID, String.valueOf(companyId));
283                    workflowContext.put(
284                            WorkflowConstants.CONTEXT_GROUP_ID, String.valueOf(groupId));
285                    workflowContext.put(
286                            WorkflowConstants.CONTEXT_ENTRY_CLASS_NAME, className);
287                    workflowContext.put(
288                            WorkflowConstants.CONTEXT_ENTRY_CLASS_PK, String.valueOf(classPK));
289                    workflowContext.put(
290                            WorkflowConstants.CONTEXT_ENTRY_TYPE,
291                            workflowHandler.getType(LocaleUtil.getDefault()));
292    
293                    WorkflowInstance workflowInstance =
294                            WorkflowInstanceManagerUtil.startWorkflowInstance(
295                                    companyId, groupId, userId, workflowDefinitionName,
296                                    workflowDefinitionVersion, null, workflowContext);
297    
298                    addWorkflowInstanceLink(
299                            userId, companyId, groupId, className, classPK,
300                            workflowInstance.getWorkflowInstanceId());
301            }
302    
303            @Override
304            public void updateClassPK(
305                            long companyId, long groupId, String className, long oldClassPK,
306                            long newClassPK)
307                    throws PortalException, SystemException {
308    
309                    if (!WorkflowThreadLocal.isEnabled()) {
310                            return;
311                    }
312    
313                    List<WorkflowInstanceLink> workflowInstanceLinks =
314                            getWorkflowInstanceLinks(companyId, groupId, className, oldClassPK);
315    
316                    for (WorkflowInstanceLink workflowInstanceLink :
317                                    workflowInstanceLinks) {
318    
319                            WorkflowInstance workflowInstance =
320                                    WorkflowInstanceManagerUtil.getWorkflowInstance(
321                                            workflowInstanceLink.getCompanyId(),
322                                            workflowInstanceLink.getWorkflowInstanceId());
323    
324                            workflowInstanceLink.setClassPK(newClassPK);
325    
326                            workflowInstanceLinkPersistence.update(workflowInstanceLink);
327    
328                            Map<String, Serializable> workflowContext =
329                                    new HashMap<String, Serializable>(
330                                            workflowInstance.getWorkflowContext());
331    
332                            workflowContext.put(
333                                    WorkflowConstants.CONTEXT_ENTRY_CLASS_PK,
334                                    String.valueOf(newClassPK));
335    
336                            WorkflowInstanceManagerUtil.updateWorkflowContext(
337                                    workflowInstanceLink.getCompanyId(),
338                                    workflowInstanceLink.getWorkflowInstanceId(), workflowContext);
339                    }
340            }
341    
342    }