MicodeNotes/Node.java

package net.micode.notes.gtask.data;

import android.database.Cursor;

import org.json.JSONObject;

/**
 * 应该是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
 * 关键字：abstract
 */
public abstract class Node {
    //定义了各种用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

    private String mGid;

    private String mName;

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

    private boolean mDeleted;//表征是否被删除

    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;
    }

}