public void Extract(SourceFileItem item, DefaultMultiTaskReporter asyn)
{
if (Context == null)
{
return;
}
Context.UnsafeSource = item;
DataPumpControllableExecutionContext contextEx = Context as DataPumpControllableExecutionContext;
if (contextEx != null)
{
contextEx.Reporter = asyn;
}
DataPump.Execute(Context);
}
public void Init(Pump pump, IEnumerable <ExtractItem> extractItems, String rootSavePath, DefaultMultiTaskReporter asyn)
{
DataPump = pump.GetDataPump();
Context = DataPump.CreateContext(pump, rootSavePath, null, null, asyn);
}
/// <summary>
/// 创建执行上下文。
/// </summary>
/// <param name="dataPump">数据泵。</param>
/// <param name="metaData">元数据。</param>
/// <param name="rootSavePath">保存路径。</param>
/// <param name="source">数据源。</param>
/// <param name="extractItems">提取项列表。</param>
/// <param name="asyn">异步通知器。</param>
/// <returns>执行上下文。</returns>
internal static DataPumpExecutionContext CreateContext(this DataPumpBase dataPump, Pump metaData, String rootSavePath, SourceFileItem source, IEnumerable <ExtractItem> extractItems, DefaultMultiTaskReporter asyn = null)
{
DataPumpExecutionContext context = dataPump.CreateContext(source);
context.ExtractItems = extractItems;
DataPumpControllableExecutionContext contextEx = context as DataPumpControllableExecutionContext;
if (contextEx != null)
{
contextEx.Reporter = asyn;
}
return(contextEx);
}
