jp.co.nemuzuka.dao.MemberDao.java Source code

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Here is the source code for jp.co.nemuzuka.dao.MemberDao.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.dao;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import jp.co.nemuzuka.meta.MemberModelMeta;
import jp.co.nemuzuka.model.MemberModel;

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

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

/**
 * MemberModel??Dao.
 * @author kazumune
 */
public class MemberDao extends AbsDao {

    /* (? Javadoc)
     * @see jp.co.nemuzuka.dao.AbsDao#getModel()
     */
    @SuppressWarnings("rawtypes")
    @Override
    ModelMeta getModelMeta() {
        return MemberModelMeta.get();
    }

    /* (? Javadoc)
     * @see jp.co.nemuzuka.dao.AbsDao#getModelClass()
     */
    @SuppressWarnings({ "rawtypes" })
    @Override
    Class getModelClass() {
        return MemberModel.class;
    }

    private static MemberDao memberDao = new MemberDao();

    /**
     * ?.
     * @return 
     */
    public static MemberDao getInstance() {
        return memberDao;
    }

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

    /**
     * List?.
     * @param name ???(?)
     * @param mail (?)
     * @return 
     */
    public List<MemberModel> getList(String name, String mail) {
        MemberModelMeta e = (MemberModelMeta) getModelMeta();
        Set<FilterCriterion> filterSet = new HashSet<FilterCriterion>();
        if (StringUtils.isNotEmpty(name)) {
            filterSet.add(e.name.startsWith(name));
        }
        if (StringUtils.isNotEmpty(mail)) {
            filterSet.add(e.mail.startsWith(mail));
        }
        return Datastore.query(e).filter(filterSet.toArray(new FilterCriterion[0]))
                .sortInMemory(e.authority.asc, e.key.asc).asList();
    }

    /**
     * Map?.
     * ??Key????????
     * @param keys key?
     * @return Map
     */
    public Map<Key, MemberModel> getMap(Key... keys) {
        Map<Key, MemberModel> map = new HashMap<Key, MemberModel>();
        List<MemberModel> list = getList(keys);
        for (MemberModel target : list) {
            map.put(target.getKey(), target);
        }
        return map;
    }

    /**
     * List?.
     * ??Key????????
     * @param keys Key?
     * @return Map
     */
    public List<MemberModel> getList(Key... keys) {
        MemberModelMeta e = (MemberModelMeta) getModelMeta();
        Set<FilterCriterion> filterSet = new HashSet<FilterCriterion>();

        if (keys != null && keys.length != 0) {
            filterSet.add(e.key.in(keys));
        } else {
            return new ArrayList<MemberModel>();
        }

        return Datastore.query(e).filter(filterSet.toArray(new FilterCriterion[0]))
                .sortInMemory(e.authority.asc, e.key.asc).asList();
    }

    /* (non-Javadoc)
     * @see jp.co.nemuzuka.dao.AbsDao#getAllList()
     */
    @SuppressWarnings("unchecked")
    public List<MemberModel> getAllList() {
        MemberModelMeta e = (MemberModelMeta) getModelMeta();
        List<MemberModel> list = super.getAllList(e.authority.asc, e.key.asc);
        return list;
    }
}