/// <summary>
/// 侦听任务执行完成时接收通知处理
/// </summary>
/// <param name="execution"></param>
public void Notify(IExecutionEntity execution)
{
UserTask task = execution.CurrentFlowElement as UserTask;
if (task.ExtensionElements.TryGetValue(BpmnXMLConstants.ELEMENT_EXTENSIONS_PROPERTY, out IList <ExtensionElement> exts))
{
if (bool.TryParse(exts.GetAttributeValue(BpmnXMLConstants.ACTIITI_RUNTIME_ASSIGNEE), out bool result) == false || result == false)
{
return;
}
var variable = execution.GetVariableInstance(BpmnXMLConstants.RUNTIME_ASSIGNEE_USER_VARIABLE_NAME);
RuntimeAssigneeUser user = JToken.FromObject(variable.Value).ToObject <RuntimeAssigneeUser>();
if ((user?.Users?.Count()).GetValueOrDefault() == 0)
{
return;
}
string collection = task.LoopCharacteristics.GetCollectionVarName();
string elemVariable = task.LoopCharacteristics.ElementVariable;
execution.RemoveVariableLocal(collection);
execution.RemoveVariableLocal(elemVariable);
}
}
public virtual IVariableInstance Execute(ICommandContext commandContext)
{
if (executionId is null)
{
throw new ActivitiIllegalArgumentException("executionId is null");
}
if (variableName is null)
{
throw new ActivitiIllegalArgumentException("variableName is null");
}
IExecutionEntity execution = commandContext.ExecutionEntityManager.FindById <IExecutionEntity>(executionId);
if (execution == null)
{
throw new ActivitiObjectNotFoundException("execution " + executionId + " doesn't exist", typeof(IExecution));
}
IVariableInstance variableEntity;
if (isLocal)
{
variableEntity = execution.GetVariableInstanceLocal(variableName, false);
}
else
{
variableEntity = execution.GetVariableInstance(variableName, false);
}
return(variableEntity);;
}
/// <summary>
/// 侦听接收通知处理
/// </summary>
/// <param name="execution"></param>
public void Notify(IExecutionEntity execution)
{
UserTask task = execution.CurrentFlowElement as UserTask;
if (task.ExtensionElements.TryGetValue(BpmnXMLConstants.ELEMENT_EXTENSIONS_PROPERTY, out IList <ExtensionElement> exts))
{
if (bool.TryParse(exts.GetAttributeValue(BpmnXMLConstants.ACTIITI_RUNTIME_ASSIGNEE), out bool result) == false || result == false)
{
return;
}
var variable = execution.GetVariableInstance(BpmnXMLConstants.RUNTIME_ASSIGNEE_USER_VARIABLE_NAME);
RuntimeAssigneeUser user = JToken.FromObject(variable.Value).ToObject <RuntimeAssigneeUser>();
if ((user?.Users?.Count()).GetValueOrDefault() == 0)
{
throw new NotFoundAssigneeException();
}
var varName = exts.GetAttributeValue(BpmnXMLConstants.ACTIITI_RUNTIME_ASSIGNEE_VARIABLE);
if (string.IsNullOrWhiteSpace(varName))
{
varName = user.Field;
}
execution.SetLoopVariable(varName, user.Users.Distinct().ToArray());
}
}
public virtual IDataObject Execute(ICommandContext commandContext)
{
if (executionId is null)
{
throw new ActivitiIllegalArgumentException("executionId is null");
}
if (dataObjectName is null)
{
throw new ActivitiIllegalArgumentException("dataObjectName is null");
}
IExecutionEntity execution = commandContext.ExecutionEntityManager.FindById <IExecutionEntity>(executionId);
if (execution == null)
{
throw new ActivitiObjectNotFoundException("execution " + executionId + " doesn't exist", typeof(IExecution));
}
IDataObject dataObject = null;
IVariableInstance variableEntity;
if (isLocal)
{
variableEntity = execution.GetVariableInstanceLocal(dataObjectName, false);
}
else
{
variableEntity = execution.GetVariableInstance(dataObjectName, false);
}
string localizedName = null;
string localizedDescription = null;
if (variableEntity != null)
{
IExecutionEntity executionEntity = commandContext.ExecutionEntityManager.FindById <IExecutionEntity>(variableEntity.ExecutionId);
while (!executionEntity.IsScope)
{
executionEntity = executionEntity.Parent;
}
BpmnModel bpmnModel = ProcessDefinitionUtil.GetBpmnModel(executionEntity.ProcessDefinitionId);
ValuedDataObject foundDataObject = null;
if (executionEntity.ParentId is null)
{
foreach (ValuedDataObject dataObjectDefinition in bpmnModel.MainProcess.DataObjects)
{
if (dataObjectDefinition.Name.Equals(variableEntity.Name))
{
foundDataObject = dataObjectDefinition;
break;
}
}
}
else
{
SubProcess subProcess = (SubProcess)bpmnModel.GetFlowElement(execution.ActivityId);
foreach (ValuedDataObject dataObjectDefinition in subProcess.DataObjects)
{
if (dataObjectDefinition.Name.Equals(variableEntity.Name))
{
foundDataObject = dataObjectDefinition;
break;
}
}
}
if (!(locale is null) && foundDataObject != null)
{
JToken languageNode = Context.GetLocalizationElementProperties(locale, foundDataObject.Id, execution.ProcessDefinitionId, withLocalizationFallback);
if (variableEntity != null && languageNode != null)
{
JToken nameNode = languageNode[DynamicBpmnConstants.LOCALIZATION_NAME];
if (nameNode != null)
{
localizedName = nameNode.ToString();
}
JToken descriptionNode = languageNode[DynamicBpmnConstants.LOCALIZATION_DESCRIPTION];
if (descriptionNode != null)
{
localizedDescription = descriptionNode.ToString();
}
}
}
if (foundDataObject != null)
{
dataObject = new DataObjectImpl(variableEntity.Name, variableEntity.Value, foundDataObject.Documentation, foundDataObject.Type, localizedName, localizedDescription, foundDataObject.Id);
}
}
return(dataObject);
}
/// <summary>
///
/// </summary>
/// <param name="execution"></param>
public override void Execute(IExecutionEntity execution)
{
execution.CurrentFlowElement.ExtensionElements.TryGetValue(BpmnXMLConstants.ELEMENT_EXTENSIONS_PROPERTY,
out IList <ExtensionElement> pElements);
_ = bool.TryParse(execution.GetVariableInstance(DynamicBpmnConstants.PORCESS_DEBUGMODE_VARIABLE)?.Value?.ToString(), out var debugMode);
WebApiParameter parameter = new WebApiParameter(execution, pElements);
if (parameter.IsMock.HasValue ? parameter.IsMock.Value : debugMode)
{
ExecuteDebugMode(execution);
}
else
{
if (pElements != null)
{
Stopwatch sw = new Stopwatch();
string url = null;
object request = null;
try
{
sw.Start();
url = parameter.Url;
string dataObj = parameter.VariableName;
request = parameter.Request;
string method = parameter.Method;
var httpProxy = ProcessEngineServiceProvider.Resolve <IHttpClientProxy>();
HttpContext httpContext = ProcessEngineServiceProvider.Resolve <IHttpContextAccessor>()?.HttpContext;
if (httpContext == null)
{
var uid = string.IsNullOrWhiteSpace(execution.StartUserId) ? Guid.NewGuid().ToString() : execution.StartUserId;
httpProxy.SetHttpClientRequestAccessToken(uid, execution.TenantId, isSessionHeader: false);
}
switch (method?.ToLower())
{
default:
case "get":
ExecuteGet(execution, url, request, dataObj, httpProxy);
break;
case "post":
ExecutePost(execution, url, request, dataObj, httpProxy);
break;
}
sw.Stop();
logger.LogInformation($"调用外部服务共计({sw.ElapsedMilliseconds}ms) url={url} request={(request is null ? "" : JsonConvert.SerializeObject(request))}");
}
catch (Exception ex)
{
sw.Stop();
logger.LogError($"调用外部服务失败({sw.ElapsedMilliseconds}ms) url={url} request={(request is null ? "" : JsonConvert.SerializeObject(request))}：\r\n" + ex.Message + ex.StackTrace);
string errorCode = execution.CurrentFlowElement.GetExtensionElementAttributeValue("errorCode");
BpmnError error;
if (string.IsNullOrWhiteSpace(errorCode) == false)
{
error = new BpmnError(errorCode, ex.Message);
}
else
{
error = new BpmnError(Context.CommandContext.ProcessEngineConfiguration.WebApiErrorCode, ex.Message);
}
ErrorPropagation.PropagateError(error, execution);
}
}
}
Leave(execution);
}