org.spring.data.gemfire.app.service.UserService.java Source code

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Here is the source code for org.spring.data.gemfire.app.service.UserService.java

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/*
 * Copyright 2014-present 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 org.spring.data.gemfire.app.service;

import java.util.ArrayList;
import java.util.List;
import javax.annotation.PostConstruct;

import org.spring.data.gemfire.app.beans.User;
import org.spring.data.gemfire.app.dao.UserDao;
import org.spring.data.gemfire.app.dao.repo.UserRepository;
import org.spring.data.gemfire.app.dao.support.BatchingDaoSupport;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;

/**
 * The UserService class is a Service bean/component for servicing Users.
 *
 * @author John Blum
 * @see org.spring.data.gemfire.app.beans.User
 * @see org.spring.data.gemfire.app.dao.UserDao
 * @see org.spring.data.gemfire.app.dao.repo.UserRepository
 * @see org.springframework.stereotype.Service
 * @see org.springframework.transaction.annotation.Transactional
 * @since 1.0.0
 */
@Service("userService")
@SuppressWarnings("unused")
public class UserService {

    @Autowired
    private UserDao userDao;

    @Autowired(required = false)
    private UserRepository userRepository;

    public UserService() {
    }

    public UserService(final UserDao userDao) {
        this.userDao = userDao;
    }

    public UserService(final UserRepository userRepository) {
        this.userRepository = userRepository;
    }

    public UserService(final UserDao userDao, final UserRepository userRepository) {
        this.userDao = userDao;
        this.userRepository = userRepository;
    }

    protected UserDao getUserDao() {
        Assert.state(userDao != null, "A reference to the UserDao was not properly configured!");
        return userDao;
    }

    protected UserRepository getUserRepository() {
        Assert.state(userRepository != null, "A reference to the UserRepository was not properly configured!");
        return userRepository;
    }

    @PostConstruct
    public void init() {
        getUserDao();
        //getUserRepository();
        System.out.printf("%1$s initialized!%n", this);
    }

    @SuppressWarnings("unchecked")
    @Transactional
    //@Transactional(isolation = Isolation.READ_COMMITTED)
    public Iterable<User> addAll(final Iterable<User> users) {
        if (getUserDao() instanceof BatchingDaoSupport) {
            return ((BatchingDaoSupport<User, String>) getUserDao()).batchInsert(asList(users));
        } else {
            for (User user : users) {
                add(user);
            }

            return users;
        }
    }

    @Transactional
    public User add(final User user) {
        return getUserDao().save(user);
    }

    protected <T> List<T> asList(final Iterable<T> it) {
        final List<T> list = new ArrayList<T>();
        for (T item : it) {
            list.add(item);
        }
        return list;
    }

    @Transactional(readOnly = true)
    public int getNumberOfUsers() {
        return getUserDao().count();
    }

    @Transactional(readOnly = true)
    public List<User> list() {
        return getUserDao().findAll();
    }

    @Override
    public String toString() {
        return getClass().getSimpleName();
    }

}