net.croz.nrich.search.api.model.SearchJoin Maven / Gradle / Ivy
/*
* Copyright 2020-2023 CROZ d.o.o, 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 net.croz.nrich.search.api.model;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import jakarta.persistence.criteria.JoinType;
import java.util.function.Predicate;
/**
* Join or join fetch that will be applied to query if condition is satisfied (it condition is null join will always be applied).
*
* @param search request
*/
@RequiredArgsConstructor
@AllArgsConstructor
@Getter
@Builder
public class SearchJoin {
/**
* Association path in relation to root entity.
*/
private final String path;
/**
* Association alias, will be applied only if fetch is false.
*/
private String alias;
/**
* Type of join.
*/
private JoinType joinType;
/**
* Condition that decides should join be applied.
*/
private Predicate condition;
/**
* Whether join or join fetch is applied.
*/
private boolean fetch;
public static SearchJoin innerJoin(String path) {
return new SearchJoin<>(path, path, JoinType.INNER, null, false);
}
public static SearchJoin leftJoin(String path) {
return new SearchJoin<>(path, path, JoinType.LEFT, null, false);
}
public static SearchJoin innerJoinFetch(String path) {
return new SearchJoin<>(path, path, JoinType.INNER, null, true);
}
public static SearchJoin leftJoinFetch(String path) {
return new SearchJoin<>(path, path, JoinType.LEFT, null, true);
}
}