Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 com.gst.organisation.holiday.domain; import java.util.Date; import java.util.List; import com.gst.organisation.holiday.exception.HolidayNotFoundException; import com.gst.organisation.holiday.service.HolidayUtil; import org.joda.time.LocalDate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; /** * <p> * Wrapper for {@link HolidayRepository} that adds NULL checking and Error * handling capabilities * </p> */ @Service public class HolidayRepositoryWrapper { private final HolidayRepository repository; @Autowired public HolidayRepositoryWrapper(final HolidayRepository repository) { this.repository = repository; } public Holiday findOneWithNotFoundDetection(final Long id) { final Holiday holiday = this.repository.findOne(id); if (holiday == null) { throw new HolidayNotFoundException(id); } return holiday; } public void save(final Holiday holiday) { this.repository.save(holiday); } public void save(final Iterable<Holiday> holidays) { this.repository.save(holidays); } public void saveAndFlush(final Holiday holiday) { this.repository.saveAndFlush(holiday); } public void delete(final Holiday holiday) { this.repository.delete(holiday); } public List<Holiday> findByOfficeIdAndGreaterThanDate(final Long officeId, final Date date) { return this.repository.findByOfficeIdAndGreaterThanDate(officeId, date, HolidayStatusType.ACTIVE.getValue()); } public List<Holiday> findUnprocessed() { return this.repository.findUnprocessed(HolidayStatusType.ACTIVE.getValue()); } public boolean isHoliday(Long officeId, LocalDate transactionDate) { final List<Holiday> holidays = findByOfficeIdAndGreaterThanDate(officeId, transactionDate.toDate()); return HolidayUtil.isHoliday(transactionDate, holidays); } }