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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;
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import android.database.Cursor;
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import org.json.JSONObject;
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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
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public static final int SYNC_ACTION_NONE = 0;
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//定义了各种用于表征同步状态的常量，需要操作标识
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public static final int SYNC_ACTION_ADD_REMOTE = 1;
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public static final int SYNC_ACTION_ADD_LOCAL = 2;
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public static final int SYNC_ACTION_DEL_REMOTE = 3;
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public static final int SYNC_ACTION_DEL_LOCAL = 4;
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public static final int SYNC_ACTION_UPDATE_REMOTE = 5;
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public static final int SYNC_ACTION_UPDATE_LOCAL = 6;
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public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;
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public static final int SYNC_ACTION_ERROR = 8;
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private String mGid;
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//记录最后一次修改时间
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private String mName;//bool类型，表明表征是否被删除
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private long mLastModified;
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private boolean mDeleted;
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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。
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mGid = null;
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mName = "";
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mLastModified = 0;
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mDeleted = false;
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}
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//函数：定义为一个抽象的函数，在TaskList子类中得到了实现
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public abstract JSONObject getCreateAction(int actionId);
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//主要功能：声明JSONObject对象抽象类，获取初始行为，参数为GTASK_JSON_ACTION_ID
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public abstract JSONObject getUpdateAction(int actionId);
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public abstract void setContentByRemoteJSON(JSONObject js);
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public abstract void setContentByLocalJSON(JSONObject js);
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public abstract JSONObject getLocalJSONFromContent();
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public abstract int getSyncAction(Cursor c);
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public void setGid(String gid) {
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this.mGid = gid;
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}
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//行到底部，都是一些赋值和返回值函数，即对构造函数中的对象进行赋值或者获取对象的具体内容。
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public void setName(String name) {
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this.mName = name;
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}
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//设置删除标识
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public void setLastModified(long lastModified) {
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this.mLastModified = lastModified;
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}
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public void setDeleted(boolean deleted) {
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this.mDeleted = deleted;
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}
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public String getGid() {
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return this.mGid;
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}
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public String getName() {
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return this.mName;
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}
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public long getLastModified() {
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return this.mLastModified;
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}
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public boolean getDeleted() {
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return this.mDeleted;
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}
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//获取删除标识
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}
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