public IEnumerable <WorkflowInfo> GetWorkflows(string repositoryPath)
{
string wfPath = GetWorkflowPath(repositoryPath);
return(_workflowParser.Parse(new[] { "*.yml", "*.yaml" }
.SelectMany(p => Directory.EnumerateFiles(wfPath, p, SearchOption.AllDirectories))));
}
/// <summary>
/// 创建工作流实例
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public static WorkflowInstance CreateInstance(Process p, IWorkflowParser parser)
{
var workflow = parser.Parse(GetCacheKey(p.ProcessType)
, p.ProcessType.Workflow.Serialized
, p.ProcessType.ActivitySettings);
var instance = new WorkflowInstance(workflow, p.ID, p.GetInputs());
//HACK:【重要】强制让Core调度使用同步上下文进行调度而不使用Threaded模式，使得事务与resumption嵌套，便于事务控制和错误处理 20120507
instance.SynchronizationContext = new WorkflowInstance.DefaultSynchronizationContext();
//标记为可持久化
instance.IsPersistable = true;
//数据字段扩展
instance.Extensions.Add <DataFieldExtension>(WorkflowBuilder.CreateDataFieldExtension(p));
//自定义节点扩展
instance.Extensions.Add <CustomExtension>(new CustomExtension(p.ProcessType.ActivitySettings
.Where(o => o is CustomSetting)
.Select(o => o as CustomSetting)
.ToList()));
//人工节点扩展
instance.Extensions.Add <HumanExtension>(new HumanExtension());
//服务端节点扩展
instance.Extensions.Add <ServerExtension>(new ServerExtension());
//并行节点扩展
instance.Extensions.Add <ParallelExtension>(new ParallelExtension());
//子流程节点扩展
instance.Extensions.Add <SubProcessExtension>(new SubProcessExtension());
return(instance);
}
//根据审批流程方案实例SchemeDefinition的模型定义及其内容转换为ProcessDefinition
/// <summary>
/// 根据审批流程方案实例SchemeDefinition的模型定义及其内容转换为ProcessDefinition
/// </summary>
/// <param name="schemeDefinition"></param>
/// <returns></returns>
private ProcessDefinition GetProcessDefinition(SchemeDefinition <TSchemeMedium> schemeDefinition)
{
if (_haveCache)
{
var cachedDefinition = _cache.GetProcessDefinitionBySchemeId(schemeDefinition.Id);
if (cachedDefinition != null)
{
return(cachedDefinition);
}
var processDefinition = Parser.Parse(schemeDefinition.Scheme);
_cache.AddProcessDefinition(schemeDefinition.Id, processDefinition);
return(processDefinition);
}
return(Parser.Parse(schemeDefinition.Scheme));
}
/// <summary>
/// 创建工作流实例
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public static WorkflowInstance CreateInstance(Process p, IWorkflowParser parser)
{
var workflow = parser.Parse(GetCacheKey(p.ProcessType)
, p.ProcessType.Workflow.Serialized
, p.ProcessType.ActivitySettings);
var instance = new WorkflowInstance(workflow, p.ID, p.GetInputs());
//HACK:【重要】强制让Core调度使用同步上下文进行调度而不使用Threaded模式，使得事务与resumption嵌套，便于事务控制和错误处理 20120507
instance.SynchronizationContext = new WorkflowInstance.DefaultSynchronizationContext();
//标记为可持久化
instance.IsPersistable = true;
//数据字段扩展
instance.Extensions.Add<DataFieldExtension>(WorkflowBuilder.CreateDataFieldExtension(p));
//自定义节点扩展
instance.Extensions.Add<CustomExtension>(new CustomExtension(p.ProcessType.ActivitySettings
.Where(o => o is CustomSetting)
.Select(o => o as CustomSetting)
.ToList()));
//人工节点扩展
instance.Extensions.Add<HumanExtension>(new HumanExtension());
//服务端节点扩展
instance.Extensions.Add<ServerExtension>(new ServerExtension());
//并行节点扩展
instance.Extensions.Add<ParallelExtension>(new ParallelExtension());
//子流程节点扩展
instance.Extensions.Add<SubProcessExtension>(new SubProcessExtension());
return instance;
}
