KtMongo: MongoDB request DSL/opensavvy.ktmongo.dsl.aggregation.operators/ArithmeticValueOperators/abs

abs

open fun <Context : Any, Result : Number?> abs(value: Value<Context, Result>): Value<Context, Result>(source)

@JvmName(name = "absByField")

open fun <Context : Any, Result : Number?> abs(value: Field<Context, Result>): Value<Context, Result>(source)

@JvmName(name = "absByProperty")

open fun <Context : Any, Result : Number?> abs(value: KProperty1<Context, Result>): Value<Context, Result>(source)

inline fun <Context : Any, Result : Number?> abs(value: Result): Value<Context, Result>(source)

The absolute value of a number.

If the value is null or NaN, it is returned unchanged.

Example

class Sensor(
    val name: String,
    val startTemp: Int,
    val endTemp: Int,
    val diffTemp: Int,
)

collection.updateManyWithPipeline(filter = { Sensor::diffTemp.isNull() }) {
    set {
        Sensor::diffTemp set abs(Sensor::startTemp - Sensor::endTemp)
    }
}

External resources

Official documentation