ExtensionMethodsReadWebHdfsTextCollection Method (Computation, Uri, String, Int32)Naiad Help

[This is preliminary documentation and is subject to change.]

Read a collection of HDFS files serialized as lines of text. Concatenate all the lines of the files to the output, in an unspecified order.

Namespace: Microsoft.Research.Naiad.Frameworks.WebHdfs
Assembly: Microsoft.Research.Naiad.WebHdfsSupport (in Microsoft.Research.Naiad.WebHdfsSupport.dll) Version: 0.5.0.0 (0.5.0.0)
Syntax
C#
Copy
public static Stream<string, Epoch> ReadWebHdfsTextCollection(
	this Computation manager,
	Uri fileOrDirectoryPath,
	string user,
	int webPort
)

Parameters

manager
Type: Microsoft.Research.NaiadComputation
Naiad computation
fileOrDirectoryPath
Type: SystemUri
path of the file or directory to read
user
Type: SystemString
hdfs user
webPort
Type: SystemInt32
webhdfs protocol port

Return Value

Type: StreamString, Epoch
stream of text lines in the hdfs files

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Computation. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also

Reference

ExtensionMethods Class
ReadWebHdfsTextCollection Overload
Microsoft.Research.Naiad.Frameworks.WebHdfs Namespace