/// <summary>创建一个工作流网实例</summary>
/// <param name="workflowDef"></param>
/// <returns></returns>
public INetInstance createNetInstance(WorkflowDefinition workflowDef)
{
if (workflowDef == null)
{
return(null);
}
WorkflowProcess workflowProcess = null;
workflowProcess = workflowDef.getWorkflowProcess();//解析fpdl
//Map nodeInstanceMap = new HashMap();
if (workflowProcess == null)
{
throw new KernelException(null, null, "The WorkflowProcess property of WorkflowDefinition[processId=" + workflowDef.ProcessId + "] is null. ");
}
String validateMsg = workflowProcess.validate();//校验工作流定义是否有效
if (validateMsg != null)
{
throw new KernelException(null, null, validateMsg);
}
NetInstance netInstance = new NetInstance(workflowProcess, KernelExtensions);
//netInstance.setWorkflowProcess(workflowProcess);
netInstance.Version = workflowDef.Version;//设置版本号
//map的key的组成规则：流程定义ID_V_版本号
netInstanceMap.Add(workflowDef.ProcessId + "_V_" + workflowDef.Version, netInstance);
//netInstance.setRtCxt(new RuntimeContext());
return(netInstance);
}
public void run(IWorkflowSession currentSession, RuntimeContext runtimeContext,
IProcessInstance processInstance, ITaskInstance taskInstance)// throws EngineException, KernelException
{
if (taskInstance.TaskType != TaskTypeEnum.SUBFLOW)
{
throw new EngineException(processInstance, taskInstance.Activity,
"DefaultSubflowTaskInstanceRunner：TaskInstance的任务类型错误，只能为SUBFLOW类型");
}
Task task = taskInstance.Task;
SubWorkflowProcess Subflow = ((SubflowTask)task).SubWorkflowProcess;
WorkflowDefinition subWorkflowDef = runtimeContext.DefinitionService.GetTheLatestVersionOfWorkflowDefinition(Subflow.WorkflowProcessId);
if (subWorkflowDef == null)
{
WorkflowProcess parentWorkflowProcess = taskInstance.WorkflowProcess;
throw new EngineException(taskInstance.ProcessInstanceId, parentWorkflowProcess, taskInstance.TaskId,
"系统中没有Id为" + Subflow.WorkflowProcessId + "的流程定义");
}
WorkflowProcess subWorkflowProcess = subWorkflowDef.getWorkflowProcess();
if (subWorkflowProcess == null)
{
WorkflowProcess parentWorkflowProcess = taskInstance.WorkflowProcess;
throw new EngineException(taskInstance.ProcessInstanceId, parentWorkflowProcess, taskInstance.TaskId,
"系统中没有Id为" + Subflow.WorkflowProcessId + "的流程定义");
}
IPersistenceService persistenceService = runtimeContext.PersistenceService;
//更改任务的状态和开始时间
((TaskInstance)taskInstance).State = TaskInstanceStateEnum.RUNNING;
((TaskInstance)taskInstance).StartedTime = runtimeContext.CalendarService.getSysDate();
persistenceService.SaveOrUpdateTaskInstance(taskInstance);
IProcessInstance subProcessInstance = currentSession.createProcessInstance(subWorkflowProcess.Name, taskInstance);
//初始化流程变量,从父实例获得初始值
Dictionary <String, Object> processVars = ((TaskInstance)taskInstance).AliveProcessInstance.ProcessInstanceVariables;
List <DataField> datafields = subWorkflowProcess.DataFields;
for (int i = 0; datafields != null && i < datafields.Count; i++)
{
DataField df = (DataField)datafields[i];
if (df.DataType == DataTypeEnum.STRING)
{
if (processVars[df.Name] != null && (processVars[df.Name] is String))
{
subProcessInstance.setProcessInstanceVariable(df.Name, processVars[df.Name]);
}
else if (df.InitialValue != null)
{
subProcessInstance.setProcessInstanceVariable(df.Name, df.InitialValue);
}
else
{
subProcessInstance.setProcessInstanceVariable(df.Name, "");
}
}
else if (df.DataType == DataTypeEnum.INTEGER)
{
if (processVars[df.Name] != null && (processVars[df.Name] is Int32))
{
subProcessInstance.setProcessInstanceVariable(df.Name, processVars[df.Name]);
}
else if (df.InitialValue != null)
{
try
{
Int32 intValue = Int32.Parse(df.InitialValue);
subProcessInstance.setProcessInstanceVariable(df.Name, intValue);
}
catch { }
}
else
{
subProcessInstance.setProcessInstanceVariable(df.Name, (Int32)0);
}
}
else if (df.DataType == DataTypeEnum.FLOAT)
{
if (processVars[df.Name] != null && (processVars[df.Name] is float))
{
subProcessInstance.setProcessInstanceVariable(df.Name, processVars[df.Name]);
}
else if (df.InitialValue != null)
{
float floatValue = float.Parse(df.InitialValue);
subProcessInstance.setProcessInstanceVariable(df.Name, floatValue);
}
else
{
subProcessInstance.setProcessInstanceVariable(df.Name, (float)0);
}
}
else if (df.DataType == DataTypeEnum.BOOLEAN)
{
if (processVars[df.Name] != null && (processVars[df.Name] is Boolean))
{
subProcessInstance.setProcessInstanceVariable(df.Name, processVars[df.Name]);
}
else if (df.InitialValue != null)
{
Boolean booleanValue = Boolean.Parse(df.InitialValue);
subProcessInstance.setProcessInstanceVariable(df.Name, booleanValue);
}
else
{
subProcessInstance.setProcessInstanceVariable(df.Name, false);
}
}
else if (df.DataType == DataTypeEnum.DATETIME)
{
//TODO 需要完善一下 （ 父子流程数据传递——时间类型的数据还未做传递-不知道为什么？）
//wmj2003 20090925 补充上了
if (processVars[df.Name] != null && (processVars[df.Name] is DateTime))
{
subProcessInstance.setProcessInstanceVariable(df.Name, processVars[df.Name]);
}
else if (df.InitialValue != null)
{
try
{
DateTime dateTmp = DateTime.Parse(df.InitialValue);
subProcessInstance.setProcessInstanceVariable(df.Name, dateTmp);
}
catch
{
subProcessInstance.setProcessInstanceVariable(df.Name, null);
}
}
}
//TODO 应将下面这句删除！这里还需要吗？应该直接subProcessInstance.run()就可以了。
runtimeContext.PersistenceService.SaveOrUpdateProcessInstance(subProcessInstance);
subProcessInstance.run();
}
}
public object doInWorkflowSession(RuntimeContext ctx)
{
WorkflowDefinition workflowDef = ctx.DefinitionService.GetTheLatestVersionOfWorkflowDefinition(wfprocessId);
WorkflowProcess wfProcess = null;
wfProcess = workflowDef.getWorkflowProcess();
if (wfProcess == null)
{
throw new Exception("Workflow process NOT found,id=[" + wfprocessId + "]");
}
ProcessInstance processInstance = new ProcessInstance();
processInstance.CreatorId = creatorId;
processInstance.ProcessId = wfProcess.Id;
processInstance.Version = workflowDef.Version;
processInstance.DisplayName = wfProcess.DisplayName;
processInstance.Name = wfProcess.Name;
processInstance.State = ProcessInstanceEnum.INITIALIZED;
processInstance.CreatedTime = ctx.CalendarService.getSysDate();
processInstance.ParentProcessInstanceId = parentProcessInstanceId;
processInstance.ParentTaskInstanceId = parentTaskInstanceId;
ctx.PersistenceService.SaveOrUpdateProcessInstance(
processInstance);
// 初始化流程变量
List <DataField> datafields = wfProcess.DataFields;
for (int i = 0; datafields != null && i < datafields.Count; i++)
{
DataField df = (DataField)datafields[i];
if (df.DataType == DataTypeEnum.STRING)
{
if (df.InitialValue != null)
{
processInstance.setProcessInstanceVariable(df.Name, df.InitialValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, "");
}
}
else if (df.DataType == DataTypeEnum.INTEGER)
{
if (df.InitialValue != null)
{
try
{
Int32 intValue = Int32.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, intValue);
}
catch (Exception)
{
}
}
else
{
processInstance.setProcessInstanceVariable(df.Name, (Int32)0);
}
}
else if (df.DataType == DataTypeEnum.LONG)
{
if (df.InitialValue != null)
{
try
{
long longValue = long.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, longValue);
}
catch (Exception)
{
}
}
else
{
processInstance.setProcessInstanceVariable(df.Name, (long)0);
}
}
else if (df.DataType == DataTypeEnum.FLOAT)
{
if (df.InitialValue != null)
{
float floatValue = float.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, floatValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, (float)0);
}
}
else if (df.DataType == DataTypeEnum.DOUBLE)
{
if (df.InitialValue != null)
{
Double doubleValue = Double.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df
.Name, doubleValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, (Double)0);
}
}
else if (df.DataType == DataTypeEnum.BOOLEAN)
{
if (df.InitialValue != null)
{
Boolean booleanValue = Boolean.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, booleanValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, false);
}
}
else if (df.DataType == DataTypeEnum.DATETIME)
{
// TODO 需要完善一下
if (df.InitialValue != null &&
df.DataPattern != null)
{
try
{
//SimpleDateFormat dFormat = new SimpleDateFormat(df.DataPattern);
DateTime dateTmp = DateTime.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, dateTmp);
}
catch (Exception)
{
processInstance.setProcessInstanceVariable(df.Name, null);
//e.printStackTrace();
}
}
else
{
processInstance.setProcessInstanceVariable(df.Name, null);
}
}
}
ctx.PersistenceService.SaveOrUpdateProcessInstance(
processInstance);
return(processInstance);
}
/// <summary>创建一个新的流程实例 (create a new process instance )</summary>
/// <param name="workflowProcessId">流程定义ID</param>
/// <param name="creatorId">创建人ID</param>
/// <param name="parentProcessInstanceId">父流程实例ID</param>
/// <param name="parentTaskInstanceId">父任务实例ID</param>
protected IProcessInstance _createProcessInstance(String workflowProcessId, String creatorId, String parentProcessInstanceId, String parentTaskInstanceId)
{
String wfprocessId = workflowProcessId;
WorkflowDefinition workflowDef = RuntimeContext.DefinitionService.GetTheLatestVersionOfWorkflowDefinition(wfprocessId);
WorkflowProcess wfProcess = workflowDef.getWorkflowProcess();
if (wfProcess == null)
{
throw new Exception("Workflow process NOT found,id=[" + wfprocessId + "]");
}
IProcessInstance processInstance = (IProcessInstance)this.execute(
new WorkflowSessionIProcessInstanceCreateProcessInstance(creatorId, wfProcess, workflowDef, parentProcessInstanceId, parentTaskInstanceId));
// 初始化流程变量
processInstance.ProcessInstanceVariables = new Dictionary <String, Object>();
List <DataField> datafields = wfProcess.DataFields;
for (int i = 0; datafields != null && i < datafields.Count; i++)
{
DataField df = datafields[i];
if (df.DataType == DataTypeEnum.STRING)
{
if (df.InitialValue != null)
{
processInstance.setProcessInstanceVariable(df.Name, df.InitialValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, "");
}
}
else if (df.DataType == DataTypeEnum.INTEGER)
{
if (df.InitialValue != null)
{
try
{
int intValue = int.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, intValue);
}
catch { }
}
else
{
processInstance.setProcessInstanceVariable(df.Name, 0);
}
}
else if (df.DataType == DataTypeEnum.LONG)
{
if (df.InitialValue != null)
{
try
{
long longValue = long.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, longValue);
}
catch { }
}
else
{
processInstance.setProcessInstanceVariable(df.Name, (long)0);
}
}
else if (df.DataType == DataTypeEnum.FLOAT)
{
if (df.InitialValue != null)
{
float floatValue = float.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, floatValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, (float)0);
}
}
else if (df.DataType == DataTypeEnum.DOUBLE)
{
if (df.InitialValue != null)
{
Double doubleValue = Double.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, doubleValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, (Double)0);
}
}
else if (df.DataType == DataTypeEnum.BOOLEAN)
{
if (df.InitialValue != null)
{
Boolean booleanValue = Boolean.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, booleanValue);
}
else
{
processInstance.setProcessInstanceVariable(df.Name, false);
}
}
else if (df.DataType == DataTypeEnum.DATETIME)
{
// TODO 需要完善一下
if (df.InitialValue != null && df.DataPattern != null)
{
try
{
DateTime dateTmp = DateTime.Parse(df.InitialValue);
processInstance.setProcessInstanceVariable(df.Name, dateTmp);
}
catch
{
processInstance.setProcessInstanceVariable(df.Name, null);
}
}
else
{
processInstance.setProcessInstanceVariable(df.Name, null);
}
}
}
return(processInstance);
}