com.neurosys.etl.common.mapper

Class MapperMutate<T extends Mapper>

java.lang.Object

com.neurosys.etl.common.mapper.Mapper

com.neurosys.etl.common.mapper.MapperMutate<T>

Type Parameters:

T -

All Implemented Interfaces:

Identifiable, Mutate<T>, Serializable, org.apache.commons.collections.Transformer

public class MapperMutate<T extends Mapper>
extends Mapper
implements Mutate<T>

Allow an Override for a Mapper. This is useful in reverse-etl type of situations where we want to use the original mapper but just override or tweak some attributes.
Example: Change the Mapper.setId(String)

Author:

Arjun Dhar

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.neurosys.etl.common.Mutate

Mutate.Mutation

Constructor Summary

Constructors

Constructor and Description
MapperMutate(String fieldName, Object fieldValue)

Method Summary

Modifier and Type	Method and Description
Mutate.Mutation	getMutation() What is the nature of Override @ the field level, for the fields being merged into the input(parent) object.
Object	transform(Object input)

Methods inherited from class com.neurosys.etl.common.mapper.Mapper

addBehavior, getBehavior, getBehaviors, getEntityClass, getFieldName, getId, getProcessor, setBehaviors, setEntityClass, setFieldName, setId, setProcessor

Methods inherited from class java.lang.Object

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

Constructor Detail

MapperMutate

public MapperMutate(String fieldName,
                    Object fieldValue)

Method Detail

transform

public Object transform(Object input)

Specified by:

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

getMutation

public Mutate.Mutation getMutation()

Description copied from interface: Mutate

What is the nature of Override @ the field level, for the fields being merged into the input(parent) object.

Specified by:

getMutation in interface Mutate<T extends Mapper>

Returns:

Mutate.Mutation