jp.co.nemuzuka.service.impl.MilestoneServiceImpl.java Source code

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Here is the source code for jp.co.nemuzuka.service.impl.MilestoneServiceImpl.java

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/*
 * Copyright 2012 Kazumune Katagiri. (http://d.hatena.ne.jp/nemuzuka)
 *
 * 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 jp.co.nemuzuka.service.impl;

import java.text.SimpleDateFormat;
import java.util.ConcurrentModificationException;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import jp.co.nemuzuka.dao.MilestoneDao;
import jp.co.nemuzuka.entity.MilestoneModelEx;
import jp.co.nemuzuka.form.MilestoneForm;
import jp.co.nemuzuka.model.MilestoneModel;
import jp.co.nemuzuka.service.MilestoneService;
import jp.co.nemuzuka.utils.ConvertUtils;
import jp.co.nemuzuka.utils.DateTimeUtils;

import org.apache.commons.lang.StringUtils;
import org.slim3.datastore.Datastore;

import com.google.appengine.api.datastore.Key;

/**
 * MilestoneService?.
 * @author kazumune
 */
public class MilestoneServiceImpl implements MilestoneService {

    MilestoneDao milestoneDao = MilestoneDao.getInstance();

    private static MilestoneServiceImpl impl = new MilestoneServiceImpl();

    /**
     * ?.
     * @return 
     */
    public static MilestoneServiceImpl getInstance() {
        return impl;
    }

    /**
     * .
     */
    private MilestoneServiceImpl() {
    }

    /* (non-Javadoc)
     * @see jp.co.nemuzuka.service.MilestoneService#get(java.lang.String)
     */
    @Override
    public MilestoneForm get(String keyString) {

        MilestoneForm form = new MilestoneForm();
        if (StringUtils.isNotEmpty(keyString)) {
            MilestoneModel model = milestoneDao.get(keyString);
            setForm(form, model);
        }
        return form;
    }

    /* (non-Javadoc)
     * @see jp.co.nemuzuka.service.MilestoneService#put(jp.co.nemuzuka.form.MilestoneForm, java.lang.String)
     */
    @Override
    public void put(MilestoneForm form, String projectKeyToString) {

        MilestoneModel model = null;
        if (StringUtils.isNotEmpty(form.keyToString)) {
            //??
            Key key = Datastore.stringToKey(form.keyToString);
            Long version = ConvertUtils.toLong(form.versionNo);
            //version?Key?projectKey??
            model = milestoneDao.get(key, version, projectKeyToString);
            if (model == null) {
                //??????Exceptionthrow
                throw new ConcurrentModificationException();
            }
        } else {
            //???
            model = new MilestoneModel();
        }
        setModel(model, form, projectKeyToString);
        milestoneDao.put(model);
    }

    /* (non-Javadoc)
     * @see jp.co.nemuzuka.service.MilestoneService#delete(jp.co.nemuzuka.form.MilestoneForm, java.lang.String)
     */
    @Override
    public void delete(MilestoneForm form, String projectKeyToString) {
        Key key = Datastore.stringToKey(form.keyToString);
        Long version = ConvertUtils.toLong(form.versionNo);
        //version?Key?projectKey??
        MilestoneModel model = milestoneDao.get(key, version, projectKeyToString);
        if (model == null) {
            //??????Exceptionthrow
            throw new ConcurrentModificationException();
        }
        milestoneDao.delete(model.getKey());
    }

    /* (non-Javadoc)
     * @see jp.co.nemuzuka.service.MilestoneService#getAllList(java.lang.String)
     */
    @Override
    public List<MilestoneModelEx> getAllList(String projectKeyToString) {
        return milestoneDao.getAllList(projectKeyToString);
    }

    /* (non-Javadoc)
     * @see jp.co.nemuzuka.service.MilestoneService#updateSortNum(java.lang.String[], java.lang.String)
     */
    @Override
    public void updateSortNum(String[] sortedKeyToString, String projectKeyToString) {

        //?Key?
        Set<Key> keys = new LinkedHashSet<Key>();
        for (String target : sortedKeyToString) {
            keys.add(Datastore.stringToKey(target));
        }
        if (keys.size() == 0) {
            return;
        }
        Map<Key, MilestoneModel> map = milestoneDao.getMap(projectKeyToString, keys.toArray(new Key[0]));

        //1????
        long sortNum = 1;
        for (Key target : keys) {
            MilestoneModel model = map.get(target);
            if (model != null) {
                model.setSortNum(sortNum);
                milestoneDao.put(model);
                sortNum++;
            }
        }
    }

    /**
     * Form.
     * @param form Form
     * @param model Model
     */
    private void setForm(MilestoneForm form, MilestoneModel model) {
        if (model == null) {
            return;
        }
        SimpleDateFormat sdf = DateTimeUtils.createSdf("yyyyMMdd");
        form.keyToString = model.getKeyToString();
        form.milestoneName = model.getMilestoneName();
        form.startDate = ConvertUtils.toString(model.getStartDate(), sdf);
        form.endDate = ConvertUtils.toString(model.getEndDate(), sdf);
        form.versionNo = ConvertUtils.toString(model.getVersion());
    }

    /**
     * Model.
     * @param model Model
     * @param form Form
     * @param projectKeyToString Key
     */
    private void setModel(MilestoneModel model, MilestoneForm form, String projectKeyToString) {

        if (model.getKey() == null) {
            //???
            Key projectKey = Datastore.stringToKey(projectKeyToString);
            model.setProjectKey(projectKey);
            model.setSortNum(Long.MAX_VALUE);
        }
        SimpleDateFormat sdf = DateTimeUtils.createSdf("yyyyMMdd");
        model.setMilestoneName(form.milestoneName);
        model.setStartDate(ConvertUtils.toDate(form.startDate, sdf));
        model.setEndDate(ConvertUtils.toDate(form.endDate, sdf));
    }
}