StepHandle

Type-safe, unique identifier for a step in a transaction.

The expected result type of the step this handle refers to. For example, Int for a single value, List<Map<String, Any?>> for a list of rows.

Constructors

internal constructor()

Fetches an entire column from a result that is a list of scalars. You must specify the expected type of the elements in the column.

Fetches values from a given column from a result that is a list of rows. You must specify the expected type of the elements in the column.

open operator override fun equals(other: Any?): Boolean

Creates a reference to a scalar value when the step returns a single value. The type of the value is inferred from the handle's type parameter T.

Creates a reference to a value in a specific column. You must specify the expected type of the value.

open override fun hashCode(): Int

Creates a reference to an entire row as Map<String, Any?>. The return type is fixed to TransactionValue<Map<String, Any?>>.

open override fun toString(): String