Package org.springframework.vault.core.util

Interface PropertyTransformer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface PropertyTransformer

Strategy interface to transform properties to a new key-value Map in a functional style. Property transformation can remap property names, adjust values or change the property map entirely without changing the input.

Implementors usually transform property names to target property names by retaining the value.

Author:

Mark Paluch

Method Summary

Modifier and Type	Method	Description
default PropertyTransformer	andThen(PropertyTransformer after)	Return a composed transformer function that first applies this filter, and then applies the after transformer.
Map<String,Object>	transformProperties(Map<String,? extends Object> input)	Transform properties by creating a new map using the transformed property set.

Method Details

transformProperties

Map<String,Object> transformProperties(Map<String,? extends Object> input)

Transform properties by creating a new map using the transformed property set.

Implementing classes do not change the input but create a new property map.

Parameters:

input - must not be null.

Returns:

transformed properties.

andThen

default PropertyTransformer andThen(PropertyTransformer after)

Return a composed transformer function that first applies this filter, and then applies the after transformer.

Parameters:

after - the transformer to apply after this transformer is applied.

Returns:

a composed transformer that first applies this function and then applies the after transformer.