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Spring Data Relational support
/*
* Copyright 2022-2023 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.relational.core.conversion;
import org.springframework.util.Assert;
/**
* Represents the changes happening to one or more aggregates (as used in the context of Domain Driven Design) as a
* whole. This change allows additional {@link MutableAggregateChange} of a particular kind to be added to it to
* broadly represent the changes to multiple aggregates across all such added changes.
*
* @author Chirag Tailor
* @since 3.0
*/
public interface BatchingAggregateChange> extends AggregateChange {
/**
* Adds a {@code MutableAggregateChange} into this {@code BatchingAggregateChange}.
*
* @param aggregateChange must not be {@literal null}.
*/
void add(C aggregateChange);
/**
* Factory method to create a {@link BatchingAggregateChange} for saving entities.
*
* @param entityClass aggregate root type.
* @param entity type.
* @return the {@link BatchingAggregateChange} for saving root entities.
* @since 3.0
*/
static BatchingAggregateChange> forSave(Class entityClass) {
Assert.notNull(entityClass, "Entity class must not be null");
return new SaveBatchingAggregateChange<>(entityClass);
}
/**
* Factory method to create a {@link BatchingAggregateChange} for deleting entities.
*
* @param entityClass aggregate root type.
* @param entity type.
* @return the {@link BatchingAggregateChange} for deleting root entities.
* @since 3.0
*/
static BatchingAggregateChange> forDelete(Class entityClass) {
Assert.notNull(entityClass, "Entity class must not be null");
return new DeleteBatchingAggregateChange<>(entityClass);
}
}