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/*
* Copyright (c) 2022 AtLarge Research
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
@file:JvmName("TableColumnConversions")
package org.opendc.trace.util
import org.opendc.trace.TableColumnType
import java.time.Duration
import java.time.Instant
import java.util.UUID
/**
* Helper method to convert a [List] into a [List] with elements of [targetElementType].
*/
public fun <T> TableColumnType.List.convertTo(
value: List<*>?,
targetElementType: Class<T>,
): List<T>? {
require(elementType.isCompatible(targetElementType)) { "Target element type is not compatible with $elementType" }
@Suppress("UNCHECKED_CAST")
return value as List<T>?
}
/**
* Helper method to convert a [Set] into a [Set] with elements of [targetElementType].
*/
public fun <T> TableColumnType.Set.convertTo(
value: Set<*>?,
targetElementType: Class<T>,
): Set<T>? {
require(elementType.isCompatible(targetElementType)) { "Target element type is not compatible with $elementType" }
@Suppress("UNCHECKED_CAST")
return value as Set<T>?
}
/**
* Helper method to convert a [Map] into a [Map] with [targetKeyType] keys and [targetValueType] values.
*/
public fun <K, V> TableColumnType.Map.convertTo(
value: Map<*, *>?,
targetKeyType: Class<K>,
targetValueType: Class<V>,
): Map<K, V>? {
require(keyType.isCompatible(targetKeyType)) { "Target key type $targetKeyType is not compatible with $keyType" }
require(valueType.isCompatible(targetValueType)) { "Target value type $targetValueType is not compatible with $valueType" }
@Suppress("UNCHECKED_CAST")
return value as Map<K, V>?
}
/**
* Helper method to determine [javaType] is compatible with this [TableColumnType].
*/
private fun TableColumnType.isCompatible(javaType: Class<*>): Boolean {
return when (this) {
is TableColumnType.Boolean -> javaType.isAssignableFrom(Boolean::class.java)
is TableColumnType.Int -> javaType.isAssignableFrom(Int::class.java)
is TableColumnType.Long -> javaType.isAssignableFrom(Long::class.java)
is TableColumnType.Float -> javaType.isAssignableFrom(Float::class.java)
is TableColumnType.Double -> javaType.isAssignableFrom(Double::class.java)
is TableColumnType.String -> javaType.isAssignableFrom(String::class.java)
is TableColumnType.UUID -> javaType.isAssignableFrom(UUID::class.java)
is TableColumnType.Instant -> javaType.isAssignableFrom(Instant::class.java)
is TableColumnType.Duration -> javaType.isAssignableFrom(Duration::class.java)
is TableColumnType.List -> javaType.isAssignableFrom(List::class.java)
is TableColumnType.Set -> javaType.isAssignableFrom(Set::class.java)
is TableColumnType.Map -> javaType.isAssignableFrom(Map::class.java)
}
}
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