com.power4j.fist.boot.mybaits.migrate.PrimaryResolver Maven / Gradle / Ivy
/*
* Copyright 2024. ChenJun ([email protected] & https://github.com/John-Chan)
*
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/lgpl.html
*
* 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 com.power4j.fist.boot.mybaits.migrate;
import com.power4j.fist.boot.mybaits.crud.repository.Repository;
import java.io.Serializable;
import java.util.function.Function;
/**
* @author CJ ([email protected])
* @since 1.0
*/
public class PrimaryResolver implements UniqueResolver {
private final Repository repository;
private final Function idExtractor;
public PrimaryResolver(Repository repository, Function idExtractor) {
this.repository = repository;
this.idExtractor = idExtractor;
}
@Override
public boolean exists(T example) {
ID id = idExtractor.apply(example);
return repository.existsById(id);
}
@Override
public void remove(T example) {
ID id = idExtractor.apply(example);
repository.deleteOneById(id);
}
}