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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* 抽象类Node代表一个基本的节点对象，提供了基本的属性和方法用于操作和同步节点数据
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* 主要用于笔记或任务的同步处理
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*/
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package net.micode.notes.gtask.data;
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import android.database.Cursor;
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import org.json.JSONObject;
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public abstract class Node {
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// 定义同步操作类型常量
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public static final int SYNC_ACTION_NONE = 0;
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public static final int SYNC_ACTION_ADD_REMOTE = 1;
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public static final int SYNC_ACTION_ADD_LOCAL = 2;
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public static final int SYNC_ACTION_DEL_REMOTE = 3;
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public static final int SYNC_ACTION_DEL_LOCAL = 4;
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public static final int SYNC_ACTION_UPDATE_REMOTE = 5;
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public static final int SYNC_ACTION_UPDATE_LOCAL = 6;
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public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;
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public static final int SYNC_ACTION_ERROR = 8;
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// 节点的基本属性
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private String mGid;
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private String mName;
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private long mLastModified;
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private boolean mDeleted;
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/**
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* 默认构造方法，初始化节点的基本属性
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*/
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public Node() {
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mGid = null;
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mName = "";
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mLastModified = 0;
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mDeleted = false;
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}
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/**
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* 根据操作ID生成创建操作的JSON对象
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* @param actionId 操作ID，表示需要执行的同步操作类型
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* @return 返回一个包含创建操作信息的JSON对象
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*/
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public abstract JSONObject getCreateAction(int actionId);
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/**
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* 根据操作ID生成更新操作的JSON对象
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* @param actionId 操作ID，表示需要执行的同步操作类型
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* @return 返回一个包含更新操作信息的JSON对象
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*/
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public abstract JSONObject getUpdateAction(int actionId);
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/**
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* 通过远程JSON对象设置节点内容
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* @param js 远程JSON对象，包含节点的最新数据
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*/
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public abstract void setContentByRemoteJSON(JSONObject js);
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/**
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* 通过本地JSON对象设置节点内容
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* @param js 本地JSON对象，包含节点的现有数据
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*/
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public abstract void setContentByLocalJSON(JSONObject js);
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/**
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* 从节点内容生成本地JSON对象
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* @return 返回一个包含节点当前状态的JSON对象
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*/
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public abstract JSONObject getLocalJSONFromContent();
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/**
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* 根据数据库游标确定同步操作类型
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* @param c 数据库游标，指向查询到的节点数据
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* @return 返回一个整数，表示需要执行的同步操作类型
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*/
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public abstract int getSyncAction(Cursor c);
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// 以下为节点属性的getter和setter方法
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public void setGid(String gid) {
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this.mGid = gid;
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}
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public void setName(String name) {
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this.mName = name;
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}
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public void setLastModified(long lastModified) {
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this.mLastModified = lastModified;
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}
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public void setDeleted(boolean deleted) {
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this.mDeleted = deleted;
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}
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public String getGid() {
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return this.mGid;
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}
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public String getName() {
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return this.mName;
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}
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public long getLastModified() {
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return this.mLastModified;
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}
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public boolean getDeleted() {
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return this.mDeleted;
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}
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}
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