commonMain.app.cash.sqldelight.EnumColumnAdapter.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!

/*
 * Copyright (C) 2016 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package app.cash.sqldelight

/** A [ColumnAdapter] which maps the enum class `T` to a string in the database. */
class EnumColumnAdapter> @PublishedApi internal constructor(
  private val enumValues: Array,
) : ColumnAdapter {
  override fun decode(databaseValue: String): T = enumValues.first { it.name == databaseValue }

  override fun encode(value: T) = value.name
}

/** A [ColumnAdapter] which maps the enum class `T` to a string in the database. */
@Suppress("FunctionName") // Emulating a constructor.
inline fun > EnumColumnAdapter(): EnumColumnAdapter {
  return EnumColumnAdapter(enumValues())
}