/* * 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; /** * * @Package: net.micode.notes.gtask.data * @ClassName: Node * @Description: 抽象类,表示同步节点的基本属性和行为。 */ public abstract class Node { //同步操作类型常量定义 public static final int SYNC_ACTION_NONE = 0; public static final int SYNC_ACTION_ADD_REMOTE = 1; public static final int SYNC_ACTION_ADD_LOCAL = 2; 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; // 节点的全局唯一标识符 private String mGid; private String mName; private long mLastModified; private boolean mDeleted; // 构造函数,初始化节点的基本属性 public Node() { mGid = null; mName = ""; mLastModified = 0; mDeleted = false; } /** * 定义了一些方法:创建节点的远程和本地同步操作的 JSON 表示 * 从远程和本地 JSON 设置节点内容 * 从数据库游标获取同步操作类型 * 以及节点属性的 get和 set 方法 */ public abstract JSONObject getCreateAction(int actionId);// public abstract JSONObject getUpdateAction(int actionId); public abstract void setContentByRemoteJSON(JSONObject js); public abstract void setContentByLocalJSON(JSONObject js); public abstract JSONObject getLocalJSONFromContent(); public abstract int getSyncAction(Cursor c); 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; } public String getGid() { return this.mGid; } public String getName() { return this.mName; } public long getLastModified() { return this.mLastModified; } public boolean getDeleted() { return this.mDeleted; } }