/*
 * 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 org.json.JSONObject;

import android.database.Cursor;

public abstract class Node {
    public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容（即本地和云端内容一致）

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

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

    public static final int SYNC_ACTION_DEL_REMOTE = 3;// 在云端删除内容

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

    public static final int SYNC_ACTION_UPDATE_REMOTE = 5;// 本地上传云端

    public static final int SYNC_ACTION_UPDATE_LOCAL = 6;// 云端更新本地

    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

    // 定义了Node类中的私有字段
    private String mGid; // 唯一标识符

    private String mName; // 名称

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

    private boolean mDeleted; // 是否删除

    public Node() {
        mGid = null;
        mName = "";
        mLastModified = 0;
        mDeleted = false;
    }// 初始化

    public abstract JSONObject getCreateAction(int actionId); // 根据给定的 actionId 返回一个 JSON 对象，表示创建操作

    public abstract JSONObject getUpdateAction(int actionId); // 根据给定的 actionId 返回一个 JSON 对象，表示更新操作

    public abstract void setContentByRemoteJSON(JSONObject js); // 根据远程的 JSON 对象设置内容

    public abstract void setContentByLocalJSON(JSONObject js); // 根据本地的 JSON 对象设置内容

    public abstract JSONObject getLocalJSONFromContent(); // 返回一个 JSON 对象，表示从当前内容中获取本地 JSON 数据

    public abstract int getSyncAction(Cursor c); // 根据给定的 Cursor 返回一个 JSON 对象，表示同步操作

    // 设置相关信息
    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;
    }

    // 获取相关信息
    public String getGid() {
        return this.mGid;
    }

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

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

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

}