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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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package net.micode.notes.gtask.data; // 定义该类所在的包路径
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import android.database.Cursor; // 导入Cursor类，用于数据库操作时获取数据
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import org.json.JSONObject; // 导入JSONObject类，用于处理JSON数据
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// 定义一个抽象类Node
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public abstract class Node {
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// 定义同步操作的常量，表示不同的同步行为
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public static final int SYNC_ACTION_NONE = 0; // 无同步操作
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public static final int SYNC_ACTION_ADD_REMOTE = 1; // 在远程添加
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public static final int SYNC_ACTION_ADD_LOCAL = 2; // 在本地添加
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public static final int SYNC_ACTION_DEL_REMOTE = 3; // 在远程删除
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public static final int SYNC_ACTION_DEL_LOCAL = 4; // 在本地删除
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public static final int SYNC_ACTION_UPDATE_REMOTE = 5; // 在远程更新
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public static final int SYNC_ACTION_UPDATE_LOCAL = 6; // 在本地更新
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public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; // 同步冲突
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public static final int SYNC_ACTION_ERROR = 8; // 同步错误
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// 定义节点的各个成员变量
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private String mGid; // 唯一标识符
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private String mName; // 节点名称
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private long mLastModified; // 上次修改时间
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private boolean mDeleted; // 是否被删除
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// Node类的构造函数，初始化成员变量
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public Node() {
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mGid = null; // 初始化唯一标识符为空
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mName = ""; // 初始化名称为空字符串
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mLastModified = 0; // 初始化修改时间为0
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mDeleted = false; // 初始化删除状态为false
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}
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// 抽象方法：获取创建操作的JSON对象，根据同步动作ID
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public abstract JSONObject getCreateAction(int actionId);
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// 抽象方法：获取更新操作的JSON对象，根据同步动作ID
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public abstract JSONObject getUpdateAction(int actionId);
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// 抽象方法：通过远程的JSON数据设置内容
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public abstract void setContentByRemoteJSON(JSONObject js);
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// 抽象方法：通过本地的JSON数据设置内容
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public abstract void setContentByLocalJSON(JSONObject js);
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// 抽象方法：从内容获取本地JSON数据
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public abstract JSONObject getLocalJSONFromContent();
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// 抽象方法：从Cursor中获取同步动作
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public abstract int getSyncAction(Cursor c);
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// 设置唯一标识符
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public void setGid(String gid) {
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this.mGid = gid; // 设置mGid的值
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}
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// 设置节点名称
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public void setName(String name) {
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this.mName = name; // 设置mName的值
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}
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// 设置上次修改时间
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public void setLastModified(long lastModified) {
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this.mLastModified = lastModified; // 设置mLastModified的值
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}
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// 设置删除状态
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public void setDeleted(boolean deleted) {
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this.mDeleted = deleted; // 设置mDeleted的值
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}
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// 获取唯一标识符
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public String getGid() {
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return this.mGid; // 返回mGid的值
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}
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// 获取节点名称
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public String getName() {
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return this.mName; // 返回mName的值
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}
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// 获取上次修改时间
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public long getLastModified() {
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return this.mLastModified; // 返回mLastModified的值
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}
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// 获取删除状态
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public boolean getDeleted() {
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return this.mDeleted; // 返回mDeleted的值
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}
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}
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