/// <summary>
/// 如果在当前流程中找不到参数。根据probeMode参数决定是否查找父流程
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="paramName"></param>
/// <param name="probeMode"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public T GetValueRecursively <T>(string paramName, WfProbeApplicationRuntimeParameterMode probeMode, T defaultValue)
{
object result = null;
if (InnerGetValueRecursively <T>(this, ProcessInstance, probeMode, paramName, out result) == false)
{
result = defaultValue;
}
return((T)result);
}
private static bool InnerGetValueRecursively <T>(WfApplicationRuntimeParameters parameters, IWfProcess process, WfProbeApplicationRuntimeParameterMode probeMode, string paramName, out object result)
{
paramName.CheckStringIsNullOrEmpty("paramName");
result = null;
bool existed = false;
if (parameters.Contains(paramName))
{
object dataInARP = parameters[paramName];
if (dataInARP is T)
{
result = (T)dataInARP;
}
else
{
result = DataConverter.ChangeType(parameters[paramName], typeof(T));
}
existed = true;
}
else
{
if (process != null)
{
bool probParent = false;
switch (probeMode)
{
case WfProbeApplicationRuntimeParameterMode.Auto:
probParent = process.Descriptor.Properties.GetValue("ProbeParentProcessParams", false);
break;
case WfProbeApplicationRuntimeParameterMode.NotRecursively:
probParent = false;
break;
case WfProbeApplicationRuntimeParameterMode.Recursively:
probParent = true;
break;
}
if (probParent && process.HasParentProcess)
{
existed = InnerGetValueRecursively <T>(process.EntryInfo.OwnerActivity.Process.ApplicationRuntimeParameters, process.EntryInfo.OwnerActivity.Process, probeMode, paramName, out result);
}
}
}
return(existed);
}
public static WfClientProbeApplicationRuntimeParameterMode ToClientProbeApplicationRuntimeParameterMode(this WfProbeApplicationRuntimeParameterMode probeMode)
{
return((WfClientProbeApplicationRuntimeParameterMode)probeMode);
}
