MongoDB request DSL • opensavvy.ktmongo.dsl.aggregation.operators • TypeValueOperators • isNumber

isNumber

open val <R : Any> Value<R, *>.isNumber: Value<R, Boolean>

Determines if this value is a number.

The following types are considered numbers:

• BsonType.Int32

• BsonType.Int64

• BsonType.Double

• BsonType.Decimal128

Example

class User(
    val data: String,
)

collection.aggregate()
    .project {
        Field.unsafe<Boolean>("dataIsNumber") set of(User::data).isNumber
    }

External resources

• Official documentation

See also

• TypeValueOperators.type Get a value's type.