org.springframework.xd.tuple.batch

Class TupleFieldExtractor

java.lang.Object

org.springframework.xd.tuple.batch.TupleFieldExtractor

All Implemented Interfaces:

org.springframework.batch.item.file.transform.FieldExtractor<Tuple>

public class TupleFieldExtractor
extends java.lang.Object
implements org.springframework.batch.item.file.transform.FieldExtractor<Tuple>

Implementation of the FieldExtractor that extracts fields from a Tuple. There are two options for the extraction:

• Names - The fields will be extracted from the item in the order they are specified via the names in the provided List.
• Order - Since Tuple implementations are ordered, if a list of names is not provided, all fields in the Tuple will be extracted in order.

Author:

Michael Minella

Constructor Summary

Constructors

Constructor and Description
TupleFieldExtractor()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object[]	extract(Tuple item)
void	setNames(java.util.List<java.lang.String> names) An ordered list of field names to be extracted from each item.

Methods inherited from class java.lang.Object

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

Constructor Detail

TupleFieldExtractor

public TupleFieldExtractor()

Method Detail

extract

public java.lang.Object[] extract(Tuple item)

Specified by:

extract in interface org.springframework.batch.item.file.transform.FieldExtractor<Tuple>

setNames

public void setNames(java.util.List<java.lang.String> names)

An ordered list of field names to be extracted from each item.

Parameters:

names - ordered list of field names