co.cask.cdap.data.file

Class FileWriters

java.lang.Object

co.cask.cdap.data.file.FileWriters

public final class FileWriters
extends Object

Provides utility methods for interacting with FileWriter.

Method Summary

Methods

Modifier and Type	Method and Description
static <U,V> FileWriter<U>	transform(FileWriter<V> writer, com.google.common.base.Function<U,V> transform) Creates a FileWriter that writes to the given FileWriter with each event transformed by the given transformation function.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

transform

public static <U,V> FileWriter<U> transform(FileWriter<V> writer,
                            com.google.common.base.Function<U,V> transform)

Creates a FileWriter that writes to the given FileWriter with each event transformed by the given transformation function.

Type Parameters:

U - source type

V - target type

Parameters:

writer - the FileWriter to write to

transform - the transformation function for each individual event

Returns:

a new instance of FileWriter