commonMain.app.cash.sqldelight.db.QueryResult.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of runtime Show documentation

Multiplatform runtime library to support generated code

The newest version!

package app.cash.sqldelight.db

sealed interface QueryResult {
  val value: T get() = throw IllegalStateException(
    """
      The driver used with SQLDelight is asynchronous, so SQLDelight should be configured for
      asynchronous usage:

      sqldelight {
        MyDatabase {
          generateAsync = true
        }
      }
    """.trimIndent(),
  )

  suspend fun await(): T

  data class Value(override val value: T) : QueryResult {
    override suspend fun await() = value
  }

  class AsyncValue(private inline val getter: suspend () -> T) : QueryResult {
    override suspend fun await() = getter()
  }

  /**
   * A [QueryResult] representation of a Kotlin [Unit].
   *
   * Equivalent to `QueryResult.Value(Unit)`.
   */
  object Unit : QueryResult {
    override val value: kotlin.Unit = kotlin.Unit

    override suspend fun await() {
    }
  }
}