|
|
/*
|
|
|
* 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.
|
|
|
*/
|
|
|
|
|
|
java
|
|
|
// 导入所需的包
|
|
|
|
|
|
package net.micode.notes.gtask.data;
|
|
|
|
|
|
|
|
|
|
|
|
import android.database.Cursor; // 用于数据库查询结果的游标
|
|
|
|
|
|
import org.json.JSONObject; // JSON对象类
|
|
|
|
|
|
|
|
|
|
|
|
// 定义一个抽象类Node，它代表了一个节点（如任务、笔记等）的基本属性和行为
|
|
|
|
|
|
public abstract class Node {
|
|
|
|
|
|
// 定义同步操作的常量，用于指示节点的同步状态或要执行的同步动作
|
|
|
|
|
|
public static final int SYNC_ACTION_NONE = 0; // 无操作
|
|
|
|
|
|
public static final int SYNC_ACTION_ADD_REMOTE = 1; // 在远程添加
|
|
|
|
|
|
public static final int SYNC_ACTION_ADD_LOCAL = 2; // 在本地添加
|
|
|
|
|
|
public static final int SYNC_ACTION_DEL_REMOTE = 3; // 在远程删除
|
|
|
|
|
|
public static final int SYNC_ACTION_DEL_LOCAL = 4; // 在本地删除
|
|
|
|
|
|
public static final int SYNC_ACTION_UPDATE_REMOTE = 5; // 更新远程节点
|
|
|
|
|
|
public static final int SYNC_ACTION_UPDATE_LOCAL = 6; // 更新本地节点
|
|
|
|
|
|
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; // 更新冲突
|
|
|
|
|
|
public static final int SYNC_ACTION_ERROR = 8; // 同步错误
|
|
|
|
|
|
|
|
|
|
|
|
// 定义节点的私有属性
|
|
|
|
|
|
private String mGid; // 节点的全局唯一标识符
|
|
|
|
|
|
private String mName; // 节点的名称
|
|
|
|
|
|
private long mLastModified; // 节点最后修改的时间戳
|
|
|
|
|
|
private boolean mDeleted; // 节点是否被删除的标志
|
|
|
|
|
|
|
|
|
|
|
|
// 构造方法，初始化节点的属性
|
|
|
|
|
|
public Node() {
|
|
|
|
|
|
mGid = null; // GID初始化为null，表示新创建的节点还没有GID
|
|
|
|
|
|
mName = ""; // 名称初始化为空字符串
|
|
|
|
|
|
mLastModified = 0; // 最后修改时间初始化为0，表示节点还没有被修改过
|
|
|
|
|
|
mDeleted = false; // 删除标志初始化为false，表示节点没有被删除
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 抽象方法，用于获取创建节点的动作JSON对象，具体实现由子类提供
|
|
|
|
|
|
public abstract JSONObject getCreateAction(int actionId);
|
|
|
|
|
|
|
|
|
|
|
|
// 抽象方法，用于获取更新节点的动作JSON对象，具体实现由子类提供
|
|
|
|
|
|
public abstract JSONObject getUpdateAction(int actionId);
|
|
|
|
|
|
|
|
|
|
|
|
// 抽象方法，用于从远程JSON对象设置节点的内容，具体实现由子类提供
|
|
|
|
|
|
public abstract void setContentByRemoteJSON(JSONObject js);
|
|
|
|
|
|
|
|
|
|
|
|
// 抽象方法，用于从本地JSON对象设置节点的内容，具体实现由子类提供
|
|
|
|
|
|
public abstract void setContentByLocalJSON(JSONObject js);
|
|
|
|
|
|
|
|
|
|
|
|
// 抽象方法，用于将节点的内容转换为本地JSON对象，具体实现由子类提供
|
|
|
|
|
|
public abstract JSONObject getLocalJSONFromContent();
|
|
|
|
|
|
|
|
|
|
|
|
// 抽象方法，用于根据数据库游标获取节点的同步动作，具体实现由子类提供
|
|
|
|
|
|
public abstract int getSyncAction(Cursor c);
|
|
|
|
|
|
|
|
|
|
|
|
// 设置节点的GID
|
|
|
|
|
|
public void setGid(String gid) {
|
|
|
|
|
|
this.mGid = gid;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 获取节点的GID
|
|
|
|
|
|
public String getGid() {
|
|
|
|
|
|
return this.mGid;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 设置节点的名称
|
|
|
|
|
|
public void setName(String name) {
|
|
|
|
|
|
this.mName = name;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 获取节点的名称
|
|
|
|
|
|
public String getName() {
|
|
|
|
|
|
return this.mName;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 设置节点最后修改的时间戳
|
|
|
|
|
|
public void setLastModified(long lastModified) {
|
|
|
|
|
|
this.mLastModified = lastModified;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 获取节点最后修改的时间戳
|
|
|
|
|
|
public long getLastModified() {
|
|
|
|
|
|
return this.mLastModified;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 设置节点是否被删除的标志
|
|
|
|
|
|
public void setDeleted(boolean deleted) {
|
|
|
|
|
|
this.mDeleted = deleted;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 获取节点是否被删除的标志
|
|
|
|
|
|
public boolean getDeleted() {
|
|
|
|
|
|
return this.mDeleted;
|
|
|
|
|
|
}
|
|
|
|
|
|
} |
