com.neurosys.etl.common.transformers

Class CollectionTransformer

java.lang.Object

com.neurosys.etl.common.transformers.CollectionTransformer

All Implemented Interfaces:

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

public class CollectionTransformer
extends Object
implements FunctionTransformer, Serializable

Take a Collection, Array or Map and apply a nested Transformer to each element.
The element will be modified in the original Collection

Note: If the value is a Collection then it will be treated as a value and not be recursed. TODO: Add unit test case

Author:

Arjun Dhar

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CollectionTransformer()
CollectionTransformer(org.apache.commons.collections.Transformer transformer)

Method Summary

Modifier and Type	Method and Description
org.apache.commons.collections.Transformer	getTransformer()
boolean	isCopy() If true will make a copy of the original Collection and modify that.
boolean	isIgnoreNulls() If true, will ignore any null values in the collection type input.
void	setCopy(boolean copy) If true will make a copy of the original Collection and modify that.
void	setIgnoreNulls(boolean ignoreNulls) If true, will ignore any null values in the collection type input.
void	setTransformer(org.apache.commons.collections.Transformer transformer)
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

CollectionTransformer

public CollectionTransformer()

CollectionTransformer

public CollectionTransformer(org.apache.commons.collections.Transformer transformer)

Method Detail

transform

public Object transform(Object input)

Specified by:

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

getTransformer

public org.apache.commons.collections.Transformer getTransformer()

setTransformer

public void setTransformer(org.apache.commons.collections.Transformer transformer)

isIgnoreNulls

public boolean isIgnoreNulls()

If true, will ignore any null values in the collection type input.

Default value:

true

setIgnoreNulls

public void setIgnoreNulls(boolean ignoreNulls)

If true, will ignore any null values in the collection type input.

Default value:

true

isCopy

public boolean isCopy()

If true will make a copy of the original Collection and modify that.

Default value:

false

setCopy

public void setCopy(boolean copy)

If true will make a copy of the original Collection and modify that.

Default value:

false