org.springframework.data.rest.core.support

Class DomainObjectMerger

java.lang.Object

org.springframework.data.rest.core.support.DomainObjectMerger

public class DomainObjectMerger
extends Object

Component to be able to merge the first level of two objects.

Author:

Jon Brisbin, Oliver Gierke, Willie Wheeler

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DomainObjectMerger.NullHandlingPolicy Strategy to express whether null values should be ignored or set on the target domain object.

Constructor Summary

Constructors

Constructor and Description
DomainObjectMerger(org.springframework.data.repository.support.Repositories repositories, org.springframework.core.convert.ConversionService conversionService) Creates a new DomainObjectMerger for the given Repositories and ConversionService.

Method Summary

Modifier and Type	Method and Description
void	merge(Object from, Object target, DomainObjectMerger.NullHandlingPolicy nullPolicy) Merges the given target object into the source one.

Methods inherited from class java.lang.Object

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

Constructor Detail

DomainObjectMerger

@Autowired
public DomainObjectMerger(org.springframework.data.repository.support.Repositories repositories,
                                     org.springframework.core.convert.ConversionService conversionService)

Creates a new DomainObjectMerger for the given Repositories and ConversionService.

Parameters:

repositories - must not be null.

conversionService - must not be null.

Method Detail

merge

public void merge(Object from,
                  Object target,
                  DomainObjectMerger.NullHandlingPolicy nullPolicy)

Merges the given target object into the source one.

Parameters:

from - can be null.

target - can be null.

nullPolicy - how to handle null values in the source object.