/**
* Copyright 2007-2010 非也
* All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License v3 as published by the Free Software
* Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this library; if not, see http://www.gnu.org/licenses/lgpl.html.
*
*/
package org.fireflow.pdl.fpdl.enginemodules.workitem;
import java.util.Iterator;
import java.util.Map;
import javax.script.ScriptException;
import org.apache.commons.lang.StringUtils;
import org.fireflow.client.WorkflowSession;
import org.fireflow.client.impl.WorkflowSessionLocalImpl;
import org.fireflow.engine.context.RuntimeContext;
import org.fireflow.engine.entity.runtime.ActivityInstance;
import org.fireflow.engine.entity.runtime.ProcessInstance;
import org.fireflow.engine.entity.runtime.WorkItem;
import org.fireflow.engine.entity.runtime.WorkItemProperty;
import org.fireflow.engine.entity.runtime.WorkItemState;
import org.fireflow.engine.entity.runtime.impl.LocalWorkItemImpl;
import org.fireflow.engine.exception.EngineException;
import org.fireflow.engine.invocation.impl.AbsServiceInvoker;
import org.fireflow.engine.modules.calendar.CalendarService;
import org.fireflow.engine.modules.ousystem.User;
import org.fireflow.engine.modules.persistence.PersistenceService;
import org.fireflow.engine.modules.persistence.WorkItemPersister;
import org.fireflow.engine.modules.processlanguage.ProcessLanguageManager;
import org.fireflow.engine.modules.script.ScriptEngineHelper;
import org.fireflow.engine.modules.workitem.event.WorkItemEventTrigger;
import org.fireflow.engine.modules.workitem.impl.AbsWorkItemManager;
import org.fireflow.model.binding.ResourceBinding;
import org.fireflow.model.binding.ServiceBinding;
import org.fireflow.model.data.Expression;
import org.fireflow.model.resourcedef.WorkItemAssignmentStrategy;
import org.fireflow.pdl.fpdl.misc.LoopStrategy;
import org.fireflow.pdl.fpdl.process.Activity;
import org.fireflow.service.human.HumanService;
/**
*
* @author 非也 nychen2000@163.com Fire Workflow 官方网站：www.firesoa.com 或者
* www.fireflow.org
*
*/
public class WorkItemManagerFpdl20Impl extends AbsWorkItemManager {
/*
* (non-Javadoc)
*
* @see
* org.fireflow.engine.service.form.WorkItemManager#createWorkItem(org.fireflow
* .engine.WorkflowSession,
* org.fireflow.engine.entity.runtime.ProcessInstance,
* org.fireflow.engine.entity.runtime.ActivityInstance, java.lang.String)
*/
public WorkItem createWorkItem(WorkflowSession currentSession,
ProcessInstance processInstance, ActivityInstance activityInstance,
User user, Object theActivity,
Map<WorkItemProperty, Object> workitemPropertyValues)
throws EngineException {
RuntimeContext ctx = ((WorkflowSessionLocalImpl) currentSession)
.getRuntimeContext();
Activity activity = (Activity) theActivity;
ServiceBinding serviceBinding = activity.getServiceBinding();
HumanService humanService = null;
if (serviceBinding != null) {
ProcessLanguageManager processUtil = ctx.getEngineModule(ProcessLanguageManager.class, activityInstance.getProcessType());
humanService = (HumanService) processUtil.getServiceDef(activityInstance, activity, serviceBinding.getServiceId());
}
ResourceBinding resourceBinding = activity.getResourceBinding();
CalendarService calendarService = ctx.getEngineModule(
CalendarService.class, activityInstance.getProcessType());
PersistenceService persistenceService = ctx.getEngineModule(
PersistenceService.class, activityInstance.getProcessType());
WorkItemPersister workItemPersister = persistenceService
.getWorkItemPersister();
LocalWorkItemImpl wi = new LocalWorkItemImpl();
wi.setWorkItemName(activityInstance.getDisplayName());
// 计算工作项摘要表达式
if (humanService != null) {
wi.setSubject(parseDescription(humanService.getWorkItemSubject(),
currentSession, ctx, processInstance, activityInstance));
}
wi.setCreatedTime(calendarService.getSysDate());
wi.setExpiredTime(activityInstance.getExpiredTime());
//工作项所有者信息
wi.setOwnerId(user.getId());
wi.setOwnerName(user.getName());
wi.setOwnerDeptId(user.getDeptId());
wi.setOwnerDeptName(user.getDeptName());
//构建表单Url
String formUrl = humanService.getFormUrl();//将参数追加在formUrl后面
if(formUrl!=null){
Map<String, Object> theInputValues = null;
try {
theInputValues = AbsServiceInvoker.resolveInputAssignments(ctx,currentSession,
processInstance,activityInstance,activity.getServiceBinding(),humanService);
} catch (ScriptException e) {
throw new EngineException(activityInstance,"");
}
StringBuffer queryStr = new StringBuffer("");
int flag = 0;
if (theInputValues!=null && theInputValues.size()>0){
Iterator<Map.Entry<String, Object>> iterator = theInputValues.entrySet().iterator();
while (iterator.hasNext()){
flag = flag+1;
Map.Entry<String, Object> entry = iterator.next();
queryStr.append(entry.getKey())
.append("=")
.append(entry.getValue());
if (flag>0 && flag<theInputValues.size()){
queryStr.append("&");
}
}
}
if (queryStr.length()>0){
int idx = formUrl.indexOf("?");
if (idx>=0){
formUrl = formUrl + "&" +queryStr.toString();
}else{
formUrl = formUrl + "?"+queryStr.toString();
}
}
//TODO 是否要将WorkItemId固定追加在url末尾？
//注：此处无法将workItemId追加在url末尾，因为此时workItem还未保存，id属性还为空
}
wi.setActionUrl(formUrl);
wi.setBizId(activityInstance.getBizId());
if (resourceBinding != null
&& resourceBinding.getAssignmentStrategy() != null) {
wi.setAssignmentStrategy(resourceBinding.getAssignmentStrategy());
}
wi.setResponsiblePersonId(user.getId());
wi.setResponsiblePersonName(user.getName());
wi.setResponsiblePersonDeptId(user.getDeptId());
wi.setResponsiblePersonDeptName(user.getDeptName());
if (workitemPropertyValues != null) {
if (workitemPropertyValues.get(WorkItemProperty.STATE) != null) {
wi.setState((WorkItemState) workitemPropertyValues
.get(WorkItemProperty.STATE));
}
if (workitemPropertyValues
.get(WorkItemProperty.ASSIGNMENT_STRATEGY) != null) {
wi.setAssignmentStrategy((WorkItemAssignmentStrategy) workitemPropertyValues
.get(WorkItemProperty.ASSIGNMENT_STRATEGY));
}
wi.setReassignType((String) workitemPropertyValues
.get(WorkItemProperty.REASSIGN_TYPE));
wi.setParentWorkItemId((String) workitemPropertyValues
.get(WorkItemProperty.PARENT_WORKITEM_ID));
}
wi.setProcInstCreatorId(processInstance.getCreatorId());
wi.setProcInstCreatorName(processInstance.getCreatorName());
wi.setProcInstCreatedTime(processInstance.getCreatedTime());
wi.setProcessId(processInstance.getProcessId());
wi.setSubProcessId(processInstance.getSubProcessId());
wi.setProcessType(processInstance.getProcessType());
wi.setVersion(processInstance.getVersion());
wi.setActivityId(activityInstance.getNodeId());
wi.setProcessInstanceId(processInstance.getId());
wi.setStepNumber(activityInstance.getStepNumber());
wi.setActivityInstanceId(activityInstance.getId());
// 发布事件
this.fireWorkItemEvent(currentSession, wi, theActivity,
WorkItemEventTrigger.BEFORE_WORKITEM_CREATED);
workItemPersister.saveOrUpdate(wi);
// 发布事件
this.fireWorkItemEvent(currentSession, wi, theActivity,
WorkItemEventTrigger.AFTER_WORKITEM_CREATED);
return wi;
}
private String parseDescription(Expression descExpression,
WorkflowSession session, RuntimeContext runtimeContext,
ProcessInstance processInstance, ActivityInstance activityInstance) {
if (descExpression == null
|| StringUtils.isEmpty(descExpression.getLanguage())) {
return "";
}
Map<String, Object> contextVars = ScriptEngineHelper
.fulfillScriptContext(session, runtimeContext, processInstance,
activityInstance);
Object obj = null;
obj = ScriptEngineHelper.evaluateExpression(runtimeContext,
descExpression, contextVars);
return obj == null ? null : obj.toString();
}
protected boolean isSkip(WorkflowSession session,
ActivityInstance activityInstance, ServiceBinding serviceBinding,
ResourceBinding resourceBinding, Object theActivityObj){
Activity theActivity = (Activity)theActivityObj;
LoopStrategy loopStrategy = theActivity.getLoopStrategy();
if (loopStrategy!=null && loopStrategy.equals(LoopStrategy.SKIP)){
return true;
}
return false;
}
protected boolean isRedo(WorkflowSession session,
ActivityInstance activityInstance, ServiceBinding serviceBinding,
ResourceBinding resourceBinding, Object theActivityObj){
Activity theActivity = (Activity)theActivityObj;
LoopStrategy loopStrategy = theActivity.getLoopStrategy();
if (loopStrategy!=null && loopStrategy.equals(LoopStrategy.REDO)){
return true;
}
return false;
}
}