/**
* Copyright 2007-2010 非也
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License 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 General Public License
* along with this program. If not, see http://www.gnu.org/licenses. *
*/
package org.fireflow.pdl.fpdl.enginemodules.instancemanager;
import java.util.Date;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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.ActivityInstanceState;
import org.fireflow.engine.entity.runtime.ProcessInstance;
import org.fireflow.engine.entity.runtime.impl.ActivityInstanceImpl;
import org.fireflow.engine.exception.EngineException;
import org.fireflow.engine.exception.ServiceInvocationException;
import org.fireflow.engine.invocation.ServiceInvoker;
import org.fireflow.engine.modules.calendar.CalendarService;
import org.fireflow.engine.modules.instancemanager.impl.AbsActivityInstanceManager;
import org.fireflow.engine.modules.processlanguage.ProcessLanguageManager;
import org.fireflow.engine.modules.workitem.WorkItemManager;
import org.fireflow.model.binding.ServiceBinding;
import org.fireflow.model.servicedef.ServiceDef;
import org.fireflow.pdl.fpdl.process.Activity;
import org.fireflow.pdl.fpdl.process.Node;
import org.fireflow.pdl.fpdl.process.SubProcess;
import org.fireflow.pdl.fpdl.process.WorkflowProcess;
import org.fireflow.service.human.HumanService;
/**
* @author 非也
* @version 2.0
*/
public class ActivityInstanceManagerFpdl20Impl extends
AbsActivityInstanceManager {
private Log log = LogFactory.getLog(ActivityInstanceManagerFpdl20Impl.class);
public ActivityInstanceManagerFpdl20Impl(){
}
/* (non-Javadoc)
* @see org.fireflow.engine.instancemanager.ActivityInstanceManager#createActivityInstance(org.fireflow.engine.WorkflowSession, org.fireflow.engine.entity.runtime.ProcessInstance, java.lang.Object)
*/
public ActivityInstance createActivityInstance(WorkflowSession session,
ProcessInstance processInstance, Object workflowElement) {
CalendarService calendarService = this.runtimeContext.getDefaultEngineModule(CalendarService.class);
ProcessLanguageManager processUtil = this.runtimeContext.getEngineModule(ProcessLanguageManager.class, processInstance.getProcessType());
Node node = (Node)workflowElement;
ActivityInstanceImpl actInst = new ActivityInstanceImpl();
actInst.setName(node.getName());
String displayName = node.getDisplayName();
actInst.setDisplayName((displayName==null || displayName.trim().equals(""))?node.getName():displayName);
actInst.setState(ActivityInstanceState.INITIALIZED);
actInst.setProcessName(processInstance.getProcessName());
actInst.setProcessDisplayName(processInstance.getProcessDisplayName());
actInst.setSubProcessName(processInstance.getSubProcessName());
actInst.setSubProcessDisplayName(processInstance.getSubProcessDisplayName());
actInst.setBizType(processInstance.getBizType());
actInst.setProcessId(processInstance.getProcessId());
actInst.setVersion(processInstance.getVersion());
actInst.setProcessType(processInstance.getProcessType());
actInst.setProcessInstanceId(processInstance.getId());
actInst.setNodeId(node.getId());
actInst.setBizId(processInstance.getBizId());
actInst.setSubProcessId(processInstance.getSubProcessId());
actInst.setProcInstCreatorId(processInstance.getCreatorId());
actInst.setProcInstCreatorName(processInstance.getCreatorName());
actInst.setProcInstCreatedTime(processInstance.getCreatedTime());
if (node instanceof Activity){
Activity activity = (Activity) node;
ServiceBinding serviceBinding = activity.getServiceBinding();
if (serviceBinding!=null){
actInst.setServiceId(serviceBinding.getServiceId());
ServiceDef svcDef = processUtil.getServiceDef(actInst,activity,serviceBinding.getServiceId());
if (svcDef!=null){
actInst.setServiceVersion(svcDef.getVersion());
}
}
}
actInst.setParentScopeId(processInstance.getScopeId());
Date now = calendarService.getSysDate();
actInst.setCreatedTime(now);
if (node instanceof Activity){
Activity fpdl20Activity = (Activity)node;
if (fpdl20Activity.getDuration()!=null && fpdl20Activity.getDuration().getValue()>0){
Date expiredDate = calendarService.dateAfter(now, fpdl20Activity.getDuration());
actInst.setExpiredTime(expiredDate);
}
}
return actInst;
}
/* (non-Javadoc)
* @see org.fireflow.engine.instancemanager.ActivityInstanceManager#runActivityInstance(org.fireflow.engine.WorkflowSession, java.lang.Object, org.fireflow.engine.entity.runtime.ActivityInstance)
*/
public boolean runActivityInstance(WorkflowSession session,
Object workflowElement, ActivityInstance activityInstance)
throws ServiceInvocationException {
Activity activity = (Activity)workflowElement;
//调用ServiceExecutor
WorkflowSessionLocalImpl sessionLocalImpl = (WorkflowSessionLocalImpl)session;
RuntimeContext runtimeContext = sessionLocalImpl.getRuntimeContext();
ServiceBinding serviceBinding = activity.getServiceBinding();
SubProcess subflow = (SubProcess)activity.getParent();
WorkflowProcess workflowProcess = (WorkflowProcess)subflow.getParent();
if (serviceBinding!=null){
ServiceDef serviceDef = workflowProcess.getService(serviceBinding.getServiceId());
if (serviceDef==null){
return true;//没有绑定service，直接结束activity instance
}
ServiceInvoker serviceExecutor = this.getServiceInvoker(runtimeContext, serviceDef, activityInstance.getProcessType());
if (serviceExecutor==null){
throw new EngineException(sessionLocalImpl.getCurrentActivityInstance(),
"Can NOT find the service invoker for the "+serviceDef.toString());
}
boolean b = serviceExecutor.invoke(sessionLocalImpl,activityInstance, serviceBinding, activity.getResourceBinding(), activity);
return b;
}else{
return true;
}
}
public int tryCloseActivityInstance(WorkflowSession session,ActivityInstance activityInstance,Object workflowElement){
Activity activity = (Activity)workflowElement;
//调用ServiceExecutor
ProcessLanguageManager processUtil = this.runtimeContext.getEngineModule(ProcessLanguageManager.class, activityInstance.getProcessType());
WorkflowSessionLocalImpl sessionLocalImpl = (WorkflowSessionLocalImpl)session;
ServiceBinding serviceBinding = activity.getServiceBinding();
if (serviceBinding!=null){
ServiceDef serviceDef = processUtil.getServiceDef(activityInstance, activity, serviceBinding.getServiceId());
if (serviceDef==null){
return ServiceInvoker.CLOSE_ACTIVITY;
}
ServiceInvoker serviceExecutor = this.getServiceInvoker(runtimeContext, serviceDef, activityInstance.getProcessType());
if (serviceExecutor==null){
throw new EngineException(sessionLocalImpl.getCurrentActivityInstance(),
"Can NOT find the service invoker for the "+serviceDef.toString());
}
int b = serviceExecutor.determineActivityCloseStrategy(session, activityInstance, activity, serviceBinding);
return b;
}else{
return ServiceInvoker.CLOSE_ACTIVITY;
}
}
protected ServiceInvoker getServiceInvoker(RuntimeContext runtimeContext,ServiceDef service,String processType){
ServiceInvoker serviceInvoker = super.getServiceInvoker(runtimeContext, service, processType);
if (serviceInvoker==null){
//4、如果是HumanService且没有成功创建serviceInvoker，则返回缺省的WorkItemManager
if (service instanceof HumanService){
WorkItemManager workItemManager = runtimeContext.getEngineModule(WorkItemManager.class, processType);
serviceInvoker = workItemManager;
}
}
return serviceInvoker;
}
}