/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * 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 net.micode.notes.gtask.data;

import android.database.Cursor;

import org.json.JSONObject;
//数据库数据操作类，用于处理与便签相关的数据库操作

public abstract class Node {
    public static final int SYNC_ACTION_NONE = 0;// 无需同步

    public static final int SYNC_ACTION_ADD_REMOTE = 1;// 需要添加到远程

    public static final int SYNC_ACTION_ADD_LOCAL = 2; // 需要添加到本地

    public static final int SYNC_ACTION_DEL_REMOTE = 3; // 需要从远程删除

    public static final int SYNC_ACTION_DEL_LOCAL = 4;// 需要从本地删除

    public static final int SYNC_ACTION_UPDATE_REMOTE = 5;// 需要更新远程

    public static final int SYNC_ACTION_UPDATE_LOCAL = 6;// 需要更新本地

    public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;// 更新冲突

    public static final int SYNC_ACTION_ERROR = 8;// 同步错误

    private String mGid;// 节点全局唯一标识

    private String mName; // 节点名称

    private long mLastModified;// 最后修改时间戳

    private boolean mDeleted;// 删除标记

    public Node() {
        mGid = null;
        mName = "";
        mLastModified = 0;
        mDeleted = false;
    }
//抽象方法 - 需要子类实现
    public abstract JSONObject getCreateAction(int actionId);//从远程JSON数据设置节点内容

    public abstract JSONObject getUpdateAction(int actionId);//从本地JSON数据设置节点内容

    public abstract void setContentByRemoteJSON(JSONObject js);//将节点内容转换为本地JSON格式

    public abstract void setContentByLocalJSON(JSONObject js);//根据数据库游标确定同步动作

    public abstract JSONObject getLocalJSONFromContent();//将节点内容转换为本地JSON格式

    public abstract int getSyncAction(Cursor c);//基本访问器和修改器

    public void setGid(String gid) {
        this.mGid = gid;
    }

    public void setName(String name) {
        this.mName = name;
    }

    public void setLastModified(long lastModified) {
        this.mLastModified = lastModified;
    }

    public void setDeleted(boolean deleted) {
        this.mDeleted = deleted;
    }

    public String getGid() {
        return this.mGid;
    }

    public String getName() {
        return this.mName;
    }

    public long getLastModified() {
        return this.mLastModified;
    }

    public boolean getDeleted() {
        return this.mDeleted;
    }

}