package net.micode.notes.gtask.data;
 
public class MetaData extends Task {
	/*
	 * 功能描述:得到类的简写名称存入字符串TAG中
	 * 实现过程:调用getSimpleName ()函数
	 */
    private final static String TAG = MetaData.class.getSimpleName();
    private String mRelatedGid = null;
    /*
     * 功能描述:设置数据,即生成元数据库
     * 实现过程:调用JSONObject库函数put (),Task类中的setNotes ()和setName ()函数
     * 参数注解:
     */
    public void setMeta(String gid, JSONObject metaInfo) 
    {
    	//对函数块进行注释
        try {
            metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
            /*
             * 将这对键值放入metaInfo这个jsonobject对象中
             */
        } catch (JSONException e) {
            Log.e(TAG, "failed to put related gid");
            /*
             * 输出错误信息
             */
        }
        setNotes(metaInfo.toString());
        setName(GTaskStringUtils.META_NOTE_NAME);
    }
    /*
     * 功能描述:获取相关联的Gid
     */
    public String getRelatedGid() {
        return mRelatedGid;
    }
    /*
     * 功能描述:判断当前数据是否为空,若为空则返回真即值得保存
     * Made By CuiCan
     */
    @Override
    public boolean isWorthSaving() {
        return getNotes() != null;
    }
    /*
     * 功能描述:使用远程json数据对象设置元数据内容
     * 实现过程:调用父类Task中的setContentByRemoteJSON ()函数,并
     * 参数注解: 
     */
    @Override
    public void setContentByRemoteJSON(JSONObject js) {
        super.setContentByRemoteJSON(js);
        if (getNotes() != null) {
            try {
                JSONObject metaInfo = new JSONObject(getNotes().trim());
                mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
            } catch (JSONException e) {
                Log.w(TAG, "failed to get related gid");
                /*
                 * 输出警告信息
                 */
                mRelatedGid = null;
            }
        }
    }
    /*
     * 功能描述:使用本地json数据对象设置元数据内容,一般不会用到,若用到,则抛出异常
     * Made By CuiCan
     */
    @Override
    public void setContentByLocalJSON(JSONObject js) {
        // this function should not be called
        throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
        /*
         * 传递非法参数异常
         */
    }
    /*
     * 功能描述:从元数据内容中获取本地json对象,一般不会用到,若用到,则抛出异常
     * Made By CuiCan
     */
    @Override
    public JSONObject getLocalJSONFromContent() {
        throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
        /*
         * 传递非法参数异常
         * Made By Cui Can
         */
    }
    /*
     * 功能描述:获取同步动作状态,一般不会用到,若用到,则抛出异常
     * Made By CuiCan
     */
    @Override
    public int getSyncAction(Cursor c) {
        throw new IllegalAccessError("MetaData:getSyncAction should not be called");
        /*
         * 传递非法参数异常
         * Made By Cui Can
         */
    }
 
}