output-service-rdb-consumer/src/main/kotlin/database/DatabaseFactory.kt

38 lines
1.1 KiB
Kotlin

package database
import config.EnvConfig
import com.zaxxer.hikari.*
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import org.jetbrains.exposed.sql.*
import org.jetbrains.exposed.sql.transactions.transaction
object DatabaseFactory {
private val envConfig = EnvConfig()
private val dbUrl = envConfig.dbJdbc
private val dbUser = envConfig.dbUsername
private val dbPassword = envConfig.dbPassowrd
fun init() {
Database.connect(hikari())
}
private fun hikari(): HikariDataSource {
val config = HikariConfig()
config.driverClassName = "org.postgresql.Driver"
config.jdbcUrl = dbUrl
config.username = dbUser
config.password = dbPassword
config.maximumPoolSize = 3
config.isAutoCommit = false
config.transactionIsolation = "TRANSACTION_REPEATABLE_READ"
config.validate()
return HikariDataSource(config)
}
suspend fun <T> dbQuery(block: () -> T): T =
withContext(Dispatchers.IO) {
transaction { block() }
}
}