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/*
 * Copyright 2020-2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.data.auditing;

import reactor.core.publisher.Mono;

import org.springframework.data.mapping.PersistentEntity;
import org.springframework.data.mapping.PersistentProperty;
import org.springframework.data.mapping.context.MappingContext;
import org.springframework.data.mapping.context.PersistentEntities;
import org.springframework.data.support.IsNewStrategy;
import org.springframework.util.Assert;

/**
 * {@link AuditingHandler} extension that uses {@link PersistentEntity#isNew(Object)} to expose a generic
 * {@link #markAudited(Object)} method that will route calls to {@link #markCreated(Object)} or
 * {@link #markModified(Object)} based on the {@link IsNewStrategy} determined from the factory.
 *
 * @author Mark Paluch
 * @since 2.4
 */
public class ReactiveIsNewAwareAuditingHandler extends ReactiveAuditingHandler {

	private final PersistentEntities entities;

	/**
	 * Creates a new {@link ReactiveIsNewAwareAuditingHandler} for the given {@link PersistentEntities}.
	 *
	 * @param entities must not be {@literal null}.
	 */
	public ReactiveIsNewAwareAuditingHandler(PersistentEntities entities) {

		super(entities);

		this.entities = entities;
	}

	/**
	 * Factory method that creates a new {@link ReactiveIsNewAwareAuditingHandler} for the given {@link MappingContext}.
	 *
	 * @param mappingContext must not be {@literal null}.
	 * @since 3.0
	 */
	public static ReactiveIsNewAwareAuditingHandler from(MappingContext mappingContext) {
		return new ReactiveIsNewAwareAuditingHandler(PersistentEntities.of(mappingContext));
	}

	/**
	 * Marks the given object created or modified based on {@link PersistentEntity#isNew(Object)}. Will route the calls to
	 * {@link #markCreated(Object)} and {@link #markModified(Object)} accordingly.
	 *
	 * @param object must not be {@literal null}.
	 */
	public Mono