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

Class PatchOperation

java.lang.Object

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

public abstract class PatchOperation
extends Object

Abstract base class representing and providing support methods for patch operations.

Author:

Craig Walls, Mathias Düsterhöft, Oliver Gierke

Field Summary

Fields

Modifier and Type	Field and Description
protected @NonNull String	op
protected @NonNull org.springframework.data.rest.webmvc.json.patch.SpelPath.UntypedSpelPath	path
protected Object	value

Constructor Summary

Constructors

Constructor and Description
PatchOperation(String op, org.springframework.data.rest.webmvc.json.patch.SpelPath.UntypedSpelPath path) Constructs the operation.
PatchOperation(@NonNull String op, @NonNull org.springframework.data.rest.webmvc.json.patch.SpelPath.UntypedSpelPath path, Object value)

Method Summary

Modifier and Type	Method and Description
protected Object	evaluate(Class<?> type)
protected Object	evaluateValueFromTarget(Object targetObject, Class<?> entityType) Performs late-value evaluation on the operation value if the value is a LateObjectEvaluator.

Methods inherited from class java.lang.Object

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

Field Detail

op

@NonNull
protected final @NonNull String op

path

@NonNull
protected final @NonNull org.springframework.data.rest.webmvc.json.patch.SpelPath.UntypedSpelPath path

value

protected final Object value

Constructor Detail

PatchOperation

public PatchOperation(String op,
                      org.springframework.data.rest.webmvc.json.patch.SpelPath.UntypedSpelPath path)

Constructs the operation.

Parameters:

op - the operation name. (e.g., 'move')

path - the path to perform the operation on. (e.g., '/1/description')

PatchOperation

public PatchOperation(@NonNull
                      @NonNull String op,
                      @NonNull
                      @NonNull org.springframework.data.rest.webmvc.json.patch.SpelPath.UntypedSpelPath path,
                      Object value)

Method Detail

evaluateValueFromTarget

protected Object evaluateValueFromTarget(Object targetObject,
                                         Class<?> entityType)

Performs late-value evaluation on the operation value if the value is a LateObjectEvaluator.

Type Parameters:

T - the entity type

Parameters:

targetObject - the target object, used as assistance in determining the evaluated object's type.

entityType - the entityType

Returns:

the result of late-value evaluation if the value is a LateObjectEvaluator; the value itself otherwise.

evaluate

protected final Object evaluate(Class<?> type)