com.neurosys.etl.common.transformers

Class ListTrimTransformer

java.lang.Object

com.neurosys.etl.common.transformers.ListTrimTransformer

All Implemented Interfaces:

FunctionTransformer, Function, org.apache.commons.collections.Transformer

public class ListTrimTransformer
extends Object
implements FunctionTransformer

Convenience transformer to Remove elements from a List or Array by index. One can also use negative index. Example: -1 implies the last element, -2 second to last etc.
If modifyOriginal is true, then the trim operation will be performed on the original List passed, else a copy will be returned.

Author:

Arjun Dhar

Constructor Summary

Constructors

Constructor and Description
ListTrimTransformer()
ListTrimTransformer(List<Integer> indexToRemove)

Method Summary

Modifier and Type	Method and Description
List<Integer>	getIndexToRemove()
boolean	isModifyOriginal() If true, then the trim operation will be performed on the original List passed, else a copy will be returned.
void	setIndexToRemove(List<Integer> indexToRemove)
void	setModifyOriginal(boolean modifyOriginal) If true, then the trim operation will be performed on the original List passed, else a copy will be returned.
Object	transform(Object input)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.neurosys.etl.common.transformers.FunctionTransformer

apply

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

ListTrimTransformer

public ListTrimTransformer()

ListTrimTransformer

public ListTrimTransformer(List<Integer> indexToRemove)

Method Detail

transform

public Object transform(Object input)

Specified by:

transform in interface org.apache.commons.collections.Transformer

getIndexToRemove

public List<Integer> getIndexToRemove()

setIndexToRemove

public void setIndexToRemove(List<Integer> indexToRemove)

isModifyOriginal

public boolean isModifyOriginal()

If true, then the trim operation will be performed on the original List passed, else a copy will be returned.

Default value:

false

setModifyOriginal

public void setModifyOriginal(boolean modifyOriginal)

If true, then the trim operation will be performed on the original List passed, else a copy will be returned.

Default value:

false