riku
2020-08-21 0328eab9276e57487eb2cfff31a945a01dd8c73a
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package cn.flightfeather.thirdapp.common.database
 
import cn.flightfeather.thirdapp.CommonApplication
import com.ping.greendao.gen.DaoSession
import io.reactivex.Observable
 
/**
 * @author riku
 * Date: 2019/5/16
 */
class DbFactory private constructor(application: CommonApplication){
 
    companion object {
 
        @Volatile
        private lateinit var daoSession: DaoSession
 
        //数据库初始化
        @JvmStatic
        @Synchronized
        fun init(application: CommonApplication) {
            daoSession = application.daoSession
        }
 
        //获取数据库操作对象daoSession
        fun getGreenDaoObservable(): Observable<DaoSession> {
            return Observable.create { emitter ->
                daoSession.let {
                    emitter.onNext(it)
                    emitter.onComplete()
                }
            }
        }
 
        fun getInstance(): DaoSession {
            return daoSession
        }
    }
}