All Downloads are FREE. Search and download functionalities are using the official Maven repository.

net.kaczmarzyk.spring.data.jpa.web.JoinFetchSpecificationResolver Maven / Gradle / Ivy

Go to download

An alternative API for filtering data with Spring MVC and Spring Data JPA. This library provides a custom HandlerMethodArgumentResolver that transforms HTTP parameters into a Specification object ready to use with Spring Data repositories.

There is a newer version: 3.1.0
Show newest version
/**
 * Copyright 2014-2022 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
 *
 * http://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.kaczmarzyk.spring.data.jpa.web;

import net.kaczmarzyk.spring.data.jpa.web.annotation.JoinFetch;
import org.springframework.data.jpa.domain.Specification;

import java.lang.annotation.Annotation;


/**
 * @author Tomasz Kaczmarzyk
 */
class JoinFetchSpecificationResolver implements SpecificationResolver {

	@Override
	public Class getSupportedSpecificationDefinition() {
		return JoinFetch.class;
	}

	@Override
	public Specification buildSpecification(ProcessingContext context, JoinFetch fetchDef) {
		return new net.kaczmarzyk.spring.data.jpa.domain.JoinFetch(
				context.queryContext(),
				fetchDef.paths(),
				fetchDef.alias(),
				fetchDef.joinType(),
				fetchDef.distinct()
		);
	}

}