47 lines
1.4 KiB
Kotlin
47 lines
1.4 KiB
Kotlin
package dev.inmo.plagubot.config
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import kotlinx.serialization.Serializable
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import kotlinx.serialization.Transient
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import org.jetbrains.exposed.sql.Database
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import org.jetbrains.exposed.sql.transactions.transactionManager
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import org.koin.core.scope.Scope
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import org.sqlite.JDBC
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import java.lang.Exception
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import java.sql.Connection
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inline val Scope.database: Database?
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get() = getOrNull<Database>()
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@Serializable
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data class DatabaseConfig(
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val url: String = "jdbc:sqlite:file:test?mode=memory&cache=shared",
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val driver: String = JDBC::class.qualifiedName!!,
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val username: String = "",
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val password: String = "",
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val waitForConnection: Boolean = true
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) {
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@Transient
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val database: Database by lazy(LazyThreadSafetyMode.SYNCHRONIZED) {
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while (true) {
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return@lazy try {
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Database.connect(
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url,
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driver,
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username,
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password
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).also {
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it.transactionManager.defaultIsolationLevel = Connection.TRANSACTION_SERIALIZABLE // Or Connection.TRANSACTION_READ_UNCOMMITTED
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}
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} catch (e: Throwable) {
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if (waitForConnection) {
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Thread.sleep(1000L)
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continue
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} else {
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throw e
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}
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}
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}
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error("Unable to get database by some reason")
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}
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}
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