public void Test()
{
IDataSource <Message> dataSource = new DataSource();
IDataSink <Message> dataSink = new DataSink();
PipelineBase <Message> pipeline = new Pipeline(dataSource, dataSink);
pipeline.Process();
Assert.AreEqual <string>(Environment.MachineName + "AB",
pipeline.Message.Data);
}
public void Test()
{
IDataSource <Message> dataSource = new DataSource();
IDataSink <Message> dataSink = new DataSink();
PipelineBase <Message> pipeline = new Pipeline(dataSource, dataSink);
pipeline.Add(new AppendAFilter());
ActiveFilter activeFilter = new ActiveFilter();
pipeline.Add(activeFilter);
pipeline.Add(new AppendBFilter());
/// 由主动性Filter发起的调用
activeFilter.Action();
Assert.AreEqual <string>(Environment.MachineName + "AB",
pipeline.Message.Data);
}
/// <summary>
/// Construct a IDataSource object based on a provider and sink type.
/// </summary>
public static IDataSource GetDataSource(DataSourceProvider provider, DataSink dataSink)
{
IDataSource returnSource = null;
switch (provider)
{
case DataSourceProvider.AzureBlob:
returnSource = new AzureBlobSource();
break;
case DataSourceProvider.LabeledAzureBlob:
returnSource = new LabeledAzureBlobSource();
break;
case DataSourceProvider.LocalDisk:
returnSource = new LocalDiskSource();
break;
case DataSourceProvider.LabelledLocalDisk:
returnSource = new LabelledLocalDiskSource();
break;
default:
throw new System.Exception("Invalid provider");
}
switch (dataSink)
{
case DataSink.Catalog:
returnSource.Sink = new CatalogSink(returnSource.Name);
break;
case DataSink.None:
break;
default:
throw new System.Exception("Invalid Sink");
}
return(returnSource);
}