/*
 * 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;   //包名，依赖关系

import android.database.Cursor; //引用cursor，此公用接口提供对数据库查询返回的结果集的随机读写访问。

import org.json.JSONObject;//引用 JSONObject，一组可修改的名称/值映射集。

public abstract class Node {
    public static final int SYNC_ACTION_NONE = 0;

    public static final int SYNC_ACTION_ADD_REMOTE = 1;//需要在远程云端增加内容

    public static final int SYNC_ACTION_ADD_LOCAL = 2;//需要在本地增加内容

    public static final int SYNC_ACTION_DEL_REMOTE = 3; //需要在远程云端删除内容

    public static final int SYNC_ACTION_DEL_LOCAL = 4;//需要在本地删除内容

    public static final int SYNC_ACTION_UPDATE_REMOTE = 5;//需要将本地内容更新到远程云端

    public static final int SYNC_ACTION_UPDATE_LOCAL = 6;//需要将远程云端内容更新到本地

    public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; //同步出现冲突

    public static final int SYNC_ACTION_ERROR = 8;//同步出现错误

    private String mGid; //记录最后一次修改时间

    private String mName;//bool类型，表明表征是否被删除

    private long mLastModified;//记录最后一次修改时间

    private boolean mDeleted;//判断 表征是否被删除

    //构造函数，进行初始化，界面没有，名字为空，最后一次修改时间为0（没有修改），表征是否删除。
    public Node() {
        mGid = null;
        mName = "";
        mLastModified = 0;
        mDeleted = false;
    }

    // 创建JSONObject对象，创建操作和更新操作，形参是操作号
    public abstract JSONObject getCreateAction(int actionId);

    public abstract JSONObject getUpdateAction(int actionId);//获取需要更新活动的ID

    public abstract void setContentByRemoteJSON(JSONObject js);//都是JSONObject和Curson中的一些操作，主要是创建相应的对象进行远端和本地同步操作

    public abstract void setContentByLocalJSON(JSONObject js);//声明JSONObject对象抽象类，从本地JSON中同步设置目录


    public abstract JSONObject getLocalJSONFromContent();//声明JSONObject对象抽象类，从目录中获取本地JSON

    public abstract int getSyncAction(Cursor c);//声明int抽象类，获取同步行为代号

    public void setGid(String gid) {
        this.mGid = gid;
    } //对构造函数中的对象进行赋值或者获取对象的具体内容将gid赋给mGid，以下均为Node函数参数的输入与赋值

    public void setName(String name) {
        this.mName = name;
    } //设置名字

    public void setLastModified(long lastModified) {
        this.mLastModified = lastModified;
    }//时间标识

    public void setDeleted(boolean deleted) {
        this.mDeleted = deleted;
    }//删除标识

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

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

    public long getLastModified() {
        return this.mLastModified;
    }//获取时间标识

    public boolean getDeleted() {
        return this.mDeleted;
    }//获取删除标识

}