de.team33.libs.mapping.v1

Class FieldMapper<T>

java.lang.Object

de.team33.libs.mapping.v1.FieldMapper<T>

public final class FieldMapper<T>
extends Object

A tool for creating Maps that represent the fields of a given instance of a particular type.

To get an Instance use simple(Class) or FieldMapper.Stage.apply(Class)

See Also:

stage(Function)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FieldMapper.Stage Represents a preliminary stage of a FieldMapper.

Method Summary

Modifier and Type	Method and Description
Function<T,T>	copyTo(T target) Returns a Function that can copy the fields of an origin to a given target instance of the associated type and return that instance.
Map<String,Object>	map(T subject) Returns a Map representation for the given subject that corresponds to the template of this FieldMapper.
Function<Map<?,?>,T>	mapTo(T target) Returns a Function that can map a Map to a given target instance of the associated type and return that instance.
static <T> FieldMapper<T>	simple(Class<T> type) Returns a FieldMapper that can represent all significant fields of an instance as a Map.
static FieldMapper.Stage	stage(Function<Class<?>,Map<String,Field>> mapping) Returns a new FieldMapper.Stage.

Methods inherited from class java.lang.Object

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

Method Detail

stage

public static FieldMapper.Stage stage(Function<Class<?>,Map<String,Field>> mapping)

Returns a new FieldMapper.Stage.

simple

public static <T> FieldMapper<T> simple(Class<T> type)

Returns a FieldMapper that can represent all significant fields of an instance as a Map.

Significant are all fields of the given class and its superclasses, which are not static and not transient.

map

public final Map<String,Object> map(T subject)

Returns a Map representation for the given subject that corresponds to the template of this FieldMapper.

copyTo

public final Function<T,T> copyTo(T target)

Returns a Function that can copy the fields of an origin to a given target instance of the associated type and return that instance.

mapTo

public final Function<Map<?,?>,T> mapTo(T target)

Returns a Function that can map a Map to a given target instance of the associated type and return that instance.