io.github.freya022.botcommands.internal.commands.autobuilder.metadata.CommandFunctionMetadata.kt Maven / Gradle / Ivy

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A Kotlin-first (and Java) framework that makes creating Discord bots a piece of cake, using the JDA library.

There is a newer version: 3.0.0-alpha.22

package io.github.freya022.botcommands.internal.commands.autobuilder.metadata

import io.github.freya022.botcommands.api.commands.CommandPath
import io.github.freya022.botcommands.internal.core.ClassPathFunction
import io.github.freya022.botcommands.internal.utils.throwUser
import kotlin.reflect.KClass
import kotlin.reflect.safeCast

internal abstract class CommandFunctionMetadata(
    private val classPathFunction: ClassPathFunction,
    private val instanceType: KClass,
    val annotation: A,
    val path: CommandPath
) : MetadataFunctionHolder {
    override val func get() = classPathFunction.function

    val instance: T
        get() = instanceType.safeCast(classPathFunction.instance)
            ?: throwUser(func, "Declaring class must extend ${instanceType.simpleName}")
}