WDDatabase.java
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package com.people.room.database;
import android.content.Context;
import androidx.room.Database;
import androidx.room.Room;
import androidx.room.RoomDatabase;
import androidx.room.migration.Migration;
import androidx.sqlite.db.SupportSQLiteDatabase;
import com.people.room.dao.ChannelDao;
import com.people.room.dao.CornersAdvDao;
import com.people.room.dao.DraftsDao;
import com.people.room.dao.HistoryLocalDao;
import com.people.room.dao.LaunchAdDao;
import com.people.room.dao.MailBookingLiveDao;
import com.people.room.dao.MailMessageDao;
import com.people.room.dao.ReadContentDao;
import com.people.room.dao.SearchHistoryDao;
import com.people.room.dao.SubscribeLivingDao;
import com.people.room.dao.UserDao;
import com.people.room.entity.ChannelBean;
import com.people.room.entity.CornersAdvModel;
import com.people.room.entity.LaunchAdModel;
import com.people.room.entity.MailBookingliveModel;
import com.people.room.entity.HistoryLocalModel;
import com.people.room.entity.MailMessageModel;
import com.people.room.entity.ReadContentModel;
import com.people.room.entity.SearchHistoryModel;
import com.people.room.entity.SubscribeLivingModel;
import com.people.room.entity.UserEntity;
import com.people.room.entity.publish.DraftsModel;
/**
* WDDatabase
*
* @author baozhaoxin
* @version [V1.0.0, 2023/3/18]
* @since V1.0.0
*/
@Database(entities = {UserEntity.class, HistoryLocalModel.class,SearchHistoryModel.class,
MailMessageModel.class, MailBookingliveModel.class, ChannelBean.class, DraftsModel.class,
SubscribeLivingModel.class, CornersAdvModel.class, LaunchAdModel.class, ReadContentModel.class},
version = 15, exportSchema = false)
public abstract class WDDatabase extends RoomDatabase {
public static WDDatabase instance;
/**
* 数据库名字
*/
private static final String DATABASE_NAME = "people_china_db";
/**
* 示例版本号5->6
*/
private static final Migration MIGRATION_5_6 = new Migration(5, 6) {
@Override
public void migrate(SupportSQLiteDatabase database) {
//新增草稿表格
database.execSQL("CREATE TABLE IF NOT EXISTS 'tb_drafts' ('id' INTEGER NOT NULL," +
"'keys' TEXT," +
"'isSelect' INTEGER NOT NULL DEFAULT 0," +
"'userId' TEXT," +
"'title' TEXT," +
"'saveTime' INTEGER NOT NULL DEFAULT 0," +
"'type' TEXT," +
"'coverPath' TEXT," +
"'videoDuration' TEXT," +
"'fileData' TEXT," +
" PRIMARY KEY ('keys')) ");
}
};
/**
* 示例版本号4->5,如此升级数据不会丢失
*/
private static final Migration MIGRATION_10_11 = new Migration(10, 11) {
@Override
public void migrate(SupportSQLiteDatabase database) {
//创建示例
database.execSQL("ALTER TABLE tb_channelentity"
+ " ADD COLUMN iconUrlSize TEXT");
}
};
/**
* 草稿箱增加字段 13->14
*/
private static final Migration MIGRATION_13_14 = new Migration(13, 14) {
@Override
public void migrate(SupportSQLiteDatabase database) {
//增加字段
database.execSQL("ALTER TABLE tb_drafts"
+ " ADD COLUMN firstPublishTime TEXT");
}
};
/**
* 频道ChannelBean增加字段 14->15
*/
private static final Migration MIGRATION_14_15 = new Migration(14, 15) {
@Override
public void migrate(SupportSQLiteDatabase database) {
//增加字段
database.execSQL("ALTER TABLE tb_channelentity"
+ " ADD COLUMN channelStrategy INTEGER NOT NULL DEFAULT 0");
}
};
public static WDDatabase getInstance(Context context){
if (instance == null) {
synchronized (WDDatabase.class) {
if (instance == null) {
//使用Migration升级策略进行升级
instance = Room.databaseBuilder(context.getApplicationContext(), WDDatabase.class, DATABASE_NAME)
.fallbackToDestructiveMigration()//没有匹配到升级策略时候,重建数据表,防止出现异常
// MIGRATION添加到这里 数据库升级,升级版本号增加的内容,以逗号隔开,放在括号后面 addMigrations(MIGRATION_1_2,MIGRATION_2_3)
.addMigrations(MIGRATION_13_14)
.addMigrations(MIGRATION_14_15)
.allowMainThreadQueries()
.build();
}
}
}
return instance;
}
/**
* 用户信息
* @return
*/
public abstract UserDao userDao();
/**
* 历史记录
* @return
*/
public abstract HistoryLocalDao getHistoryDao();
/**
* 搜索记录
* @return
*/
public abstract SearchHistoryDao getSearchDao();
/**
* 缓存数据
* @return
*/
public abstract MailMessageDao getMailMessageDao();
/**
* 缓存数据
* @return
*/
public abstract MailBookingLiveDao getMailBookingLiveDao();
public abstract ChannelDao getChannelDao();
/**
* 草稿箱
* @return
*/
public abstract DraftsDao getDraftsDao();
/**
* 我的预约直播列表中直播中状态缓存数据
* @return
*/
public abstract SubscribeLivingDao getSubscribeLivingDao();
/**
* 挂角广告展示过的缓存数据
* @return
*/
public abstract CornersAdvDao getCornersAdvDao();
/**
* 开机屏广告展示过的缓存数据
* @return
*/
public abstract LaunchAdDao getLaunchAdDao();
public abstract ReadContentDao getReadContentDao();
}