TourInfoServiceImpl.java

/*
 * Copyright (C) 2013-2017 NTT DATA Corporation
 *
 * 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 org.terasoluna.tourreservation.domain.service.tourinfo;

import java.util.Collections;
import java.util.List;

import javax.inject.Inject;

import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.terasoluna.tourreservation.domain.model.TourInfo;
import org.terasoluna.tourreservation.domain.repository.tourinfo.TourInfoRepository;
import org.terasoluna.tourreservation.domain.repository.tourinfo.TourInfoSearchCriteria;

@Service
@Transactional
public class TourInfoServiceImpl implements TourInfoService {

    @Inject
    TourInfoRepository tourInfoRepository;

    @Override
    public Page<TourInfo> searchTour(TourInfoSearchCriteria criteria,
            Pageable pageable) {

        long total = tourInfoRepository.countBySearchCriteria(criteria);
        List<TourInfo> content;
        if (0 < total) {
            content = tourInfoRepository.findPageBySearchCriteria(criteria,
                    pageable);
        } else {
            content = Collections.emptyList();
        }

        Page<TourInfo> page = new PageImpl<TourInfo>(content, pageable, total);
        return page;
    }
}