org.springframework.data.cassandra.core.mapping.event.ReactiveBeforeConvertCallback Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spring-data-cassandra Show documentation
Show all versions of spring-data-cassandra Show documentation
Cassandra support for Spring Data
/*
* Copyright 2019 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.cassandra.core.mapping.event;
import org.reactivestreams.Publisher;
import org.springframework.data.cassandra.core.cql.CqlIdentifier;
import org.springframework.data.mapping.callback.EntityCallback;
/**
* Callback being invoked before a domain object is converted to be persisted.
*
* @author Mark Paluch
* @since 2.2
* @see org.springframework.data.mapping.callback.ReactiveEntityCallbacks
*/
@FunctionalInterface
public interface ReactiveBeforeConvertCallback extends EntityCallback {
/**
* Entity callback method invoked before a domain object is converted to be persisted. Can return either the same or a
* modified instance of the domain object.
*
* @param entity the domain object to save.
* @param tableName name of the table.
* @return a {@link Publisher} emitting the domain object to be persisted.
*/
Publisher onBeforeConvert(T entity, CqlIdentifier tableName);
}