assistant-android/app/src/main/java/com/gh/gamecenter/db/DataCollectionDao.java

package com.gh.gamecenter.db;

import android.content.Context;

import com.gh.gamecenter.db.info.DataCollectionInfo;
import com.j256.ormlite.dao.Dao;

import java.sql.SQLException;
import java.util.List;

public class DataCollectionDao {

    private DatabaseHelper helper;
    private Dao<DataCollectionInfo, String> dao;

    public DataCollectionDao(Context context) {
        try {
            helper = DatabaseHelper.getHelper(context);
            dao = helper.getDao(DataCollectionInfo.class);
        } catch (SQLException | IllegalStateException e) {
            e.printStackTrace();
        }
    }

    /**
     * 查找一个数据
     */
    public List<DataCollectionInfo> findByType(String type) {
        try {
            return dao.queryForEq("type", type);
        } catch (SQLException | IllegalStateException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 添加一个数据
     */
    public void add(DataCollectionInfo entity) {
        try {
            dao.create(entity);
        } catch (SQLException | IllegalStateException e) {
            // java.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteDatabase:
            e.printStackTrace();
        }
    }

    /**
     * 删除一个数据
     */
    public void delete(String id) {
        try {
            dao.deleteById(id);
        } catch (SQLException | IllegalStateException e) {
            // java.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteDatabase:
            e.printStackTrace();
        }
    }

    /**
     * 删除一组数据
     */
    public void delete(List<String> ids) {
        try {
            dao.deleteIds(ids);
        } catch (SQLException | IllegalStateException e) {
            e.printStackTrace();
        }
    }

    /**
     * 根据id获取某一个数据
     */
    public DataCollectionInfo find(String id) {
        try {
            return dao.queryForId(id);
        } catch (SQLException | IllegalStateException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 获取所有的数据
     */
    public List<DataCollectionInfo> getAll() {
        try {
            return dao.queryForAll();
        } catch (SQLException | IllegalStateException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 获取点击数据
     */
    public List<DataCollectionInfo> getClickData() {
        try {
            return dao.queryForEq("type", "click-item");
        } catch (SQLException | IllegalStateException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 更新数据
     */
    public void update(DataCollectionInfo entity) {
        try {
            dao.update(entity);
        } catch (SQLException | IllegalStateException e) {
            e.printStackTrace();
        }
    }

}