public static bool mainActivity([ActivityTrigger] BlobInfo info,
ILogger log,
[Blob("test1/{info.filename}", FileAccess.Read, Connection = "AzureWebJobsStorage")] Stream InStream,
[Blob("test1/output-{info.filename}", FileAccess.Write, Connection = "AzureWebJobsStorage")] Stream OutStream
)
{
// Create Pipe and JSON blob stream
IEnumerable <Row> humans = JsonReaderExtensions.convertToJsonIterable(InStream);
// IEnumerable<Pipe> pipeline = JsonReaderExtensions.convertToJsonIterable(info.pipeline);
Func <Row, object> mapFunction = value =>
{
var obj = new
{
name = value.name,
age = value.age + 10,
eyeColor = value.eyeColor
};
return(obj);
};
Func <dynamic, bool> filterPredicate = value =>
{
return(value.eyeColor == "green");
};
Func <IEnumerable, IEnumerable> pipeline = Activities.pipelineMaker(
Activities.mapMaker <Row, dynamic>(mapFunction),
Activities.eachMaker(),
Activities.filterMaker(filterPredicate)
);
// Prepare Output stream writer
using (JsonTextWriter wr = JsonReaderExtensions.InitJsonOutStream(OutStream))
{
wr.WriteStartArray();
foreach (var h in pipeline(humans))
{
wr.SerialiseJsonToStream <dynamic>(h);
}
wr.WriteEndArray();
}
return(true);
}
