/* * 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; public abstract class Node {//同步操作的基础数据类型,定义了相关指示同步操作的常量 public static final int SYNC_ACTION_NONE = 0;//定义了各种用于表征同步状态的常量,需要操作标识 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; public static final int SYNC_ACTION_DEL_LOCAL = 4; public static final int SYNC_ACTION_UPDATE_REMOTE = 5; public static final int SYNC_ACTION_UPDATE_LOCAL = 6; public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; public static final int SYNC_ACTION_ERROR = 8; private String mGid;//记录最后一次修改时间 private String mName;//记录是否被删除 private long mLastModified;//记录最后一次修改时间 private boolean mDeleted; public Node() {//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。 mGid = null; mName = ""; mLastModified = 0; mDeleted = false; } public abstract JSONObject getCreateAction(int actionId);//获取创建信息 public abstract JSONObject getUpdateAction(int actionId);//获取需要更新活动的ID public abstract void setContentByRemoteJSON(JSONObject js);//创建相应的对象,并且实现远端与本地的同步操作 public abstract void setContentByLocalJSON(JSONObject js);//创建相应对象进行本地操作 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; } public void setName(String name) { this.mName = name; }//设置名字 public void setLastModified(long lastModified) { this.mLastModified = lastModified; } public void setDeleted(boolean deleted) { this.mDeleted = deleted; }//设置删除标识 public String getGid() { return this.mGid; }//函数:返回mGid public String getName() { return this.mName; }//获取名称 public long getLastModified() { return this.mLastModified; }//获取最近创建时间标识 public boolean getDeleted() { return this.mDeleted; }//获取删除标识 }