yss__miui__notes/data_gtask 包代码注释_邹国涛/Node.java

/*
 * 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 {
    //定义了各种关于表征同步状态的常量
    public static final int SYNC_ACTION_NONE = 0;  // 本地和云端都无可更新内容（即本地和云端内容一致）

    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; // 需要在远程云端删除内容

    public static final int SYNC_ACTION_DEL_LOCAL = 4; // 需要在本地删除内容

    public static final int SYNC_ACTION_UPDATE_REMOTE = 5; // 需要将本地内容更新到远程云端

    public static final int SYNC_ACTION_UPDATE_LOCAL = 6; // 需要将远程云端内容更新到本地

    public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; // 同步出现冲突

    public static final int SYNC_ACTION_ERROR = 8; // 同步出现错误
    //上述序号标注的功能在data下的TaskList中有详细的实现过程，这里只作粗略的定义，详见TaskList
    private String mGid;

    private String mName;

    private long mLastModified;  //记录最后一次修改的时间

    private boolean mDeleted;  //表达是否被删除了

    public Node() {
        mGid = null;
        mName = "";
        mLastModified = 0;
        mDeleted = false;
    }

    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;
    }

}