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• vok-dataloader
• 0.9.1
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• SortClause.kt

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com.github.mvysny.vokdataloader.SortClause.kt Maven / Gradle / Ivy

package com.github.mvysny.vokdataloader

import java.io.Serializable
import kotlin.reflect.KProperty
import kotlin.reflect.KProperty1

/**
 * Specifies a sorting clause, sorting by given [propertyName], ascending or descending based on the value of the [asc] parameter.
 * @property propertyName the bean property name ([KProperty1.name]).
 */
public data class SortClause(val propertyName: DataLoaderPropertyName, val asc: Boolean) : Serializable {
    init {
        require(propertyName.isNotBlank()) { "propertyName must not be blank" }
    }
}

public val DataLoaderPropertyName.asc: SortClause get() = SortClause(this, true)
public val DataLoaderPropertyName.desc: SortClause get() = SortClause(this, false)
public val KProperty<*>.asc: SortClause get() = name.asc
public val KProperty<*>.desc: SortClause get() = name.desc