hcp-pad/baselib/src/main/java/com/yingyangfly/baselib/db/AppDataBase.kt

package com.yingyangfly.baselib.db

import android.content.Context
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase

@Database(entities = [QuestionsBean::class, DoctorBean::class, VoicePlayerBean::class], version = 1)
abstract class AppDataBase : RoomDatabase() {

    abstract fun getQuestionsDao(): QuestionsDao

    abstract fun getDoctorsDao(): DoctorDao

    abstract fun getVoicePlayerDao(): VoicePlayerDao

    companion object {
        @Volatile
        private var sInstance: AppDataBase? = null
        private const val DATA_BASE_NAME = "hcp_pad.db"

        @JvmStatic
        fun getInstance(context: Context): AppDataBase? {
            if (sInstance == null) {
                synchronized(AppDataBase::class.java) {
                    if (sInstance == null) {
                        sInstance = createInstance(context)
                    }
                }
            }
            return sInstance
        }

        private fun createInstance(context: Context): AppDataBase {
            return Room.databaseBuilder(
                context.applicationContext,
                AppDataBase::class.java,
                DATA_BASE_NAME
            ).allowMainThreadQueries()
                .build()
        }
    }

}