Package org.anchoranalysis.bean.initializable.property

Class ExtractDerivedParameter<S,T>

Object

ExtractDerivedParameter<S,T>

Type Parameters:

S - type of parameter to extract from (source)

T - type of parameter that is maybe derived (target)

public class ExtractDerivedParameter<S,T>
extends Object

Extracts one type of parameter from another, if possible.

Author:

Owen Feehan

Constructor Summary

Constructors

Constructor	Description
ExtractDerivedParameter(Class<?> targetClass, Function<S,T> extractionFunction)	Creates with only a targetClass.
ExtractDerivedParameter(Class<?> targetClass, Function<S,T> extractionFunction, Class<?> sourceBaseClass)	Creates with a classOfTarget and a baseClassOfSource.

Method Summary

Modifier and Type	Method	Description
Optional<T>	extractIfPossible(S parameter)	Extracts a derived parameter if possible from parameter.
Class<?>	getTargetClass()	The class of the target type T.

Methods inherited from class java.lang.Object

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

Constructor Details

ExtractDerivedParameter

public ExtractDerivedParameter(Class<?> targetClass,
 Function<S,T> extractionFunction)

Creates with only a targetClass.

Parameters:

targetClass - the class of the target type.

extractionFunction - a function to extract the target from the source.

ExtractDerivedParameter

public ExtractDerivedParameter(Class<?> targetClass,
 Function<S,T> extractionFunction,
 Class<?> sourceBaseClass)

Creates with a classOfTarget and a baseClassOfSource.

Parameters:

targetClass - the class of the target type.

extractionFunction - a function to extract the target from the source.

sourceBaseClass - a class the source-param must be assignable to. It will be checked by reflection.

Method Details

extractIfPossible

public Optional<T> extractIfPossible(S parameter)

Extracts a derived parameter if possible from parameter.

Parameters:

parameter - the parameter to maybe derive an extracted parameter from.

Returns:

the extracted parameter or Optional.empty() if it is not possible.

getTargetClass

public Class<?> getTargetClass()

The class of the target type T.