Package org.springframework.data.rest.webmvc.json.patch

Class Patch

java.lang.Object

org.springframework.data.rest.webmvc.json.patch.Patch

All Implemented Interfaces:

Iterable<PatchOperation>, Supplier<Stream<PatchOperation>>, Streamable<PatchOperation>

public class Patch
extends Object
implements Streamable<PatchOperation>

Represents a Patch.

This class (and PatchOperation capture the definition of a patch, but are not coupled to any specific patch representation.

Author:

Craig Walls, Oliver Gierke

Constructor Summary

Constructors

Constructor	Description
Patch(List<PatchOperation> operations)

Method Summary

Modifier and Type	Method	Description
<T> List<T>	apply(List<T> in, Class<T> type)	Applies the Patch to a given List of objects.
<T> T	apply(T in, Class<T> type)	Applies the Patch to a given Object graph.
Iterator<PatchOperation>	iterator()
int	size()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface org.springframework.data.util.Streamable

and, and, and, and, filter, flatMap, get, isEmpty, map, stream, toList, toSet

Constructor Details

Patch

public Patch(List<PatchOperation> operations)

Method Details

size

public int size()

Returns:

the number of operations that make up this patch.

apply

public <T> T apply(T in,
 Class<T> type)
            throws PatchException

Applies the Patch to a given Object graph. Makes a copy of the given object so that it will remain unchanged after application of the patch and in case any errors occur while performing the patch.

Type Parameters:

T - the object type.

Parameters:

in - The object graph to apply the patch to.

type - The object type.

Returns:

An object graph modified by the patch.

Throws:

PatchException - if there are any errors while applying the patch.

apply

public <T> List<T> apply(List<T> in,
 Class<T> type)
                  throws PatchException

Applies the Patch to a given List of objects. Makes a copy of the given list so that it will remain unchanged after application of the patch and in case any errors occur while performing the patch.

Type Parameters:

T - the list's generic type.

Parameters:

in - The list to apply the patch to.

type - The list's generic type.

Returns:

An list modified by the patch.

Throws:

PatchException - if there are any errors while applying the patch.

iterator

public Iterator<PatchOperation> iterator()

Specified by:

iterator in interface Iterable<PatchOperation>