Sources/Object/Test-Object.ps1

using namespace Belin.Sql
using namespace System.Data

<#
.SYNOPSIS
    Checks whether an entity with the specified primary key exists.
.INPUTS
    The primary key value.
.OUTPUTS
    `$true` if an entity with the specified primary key exists, otherwise `$false`.
#>

function Test-Object {
    [CmdletBinding()]
    [OutputType([bool])]
    param (
        # The connection to the data source.
        [Parameter(Mandatory, Position = 0)]
        [IDbConnection] $Connection,

        # The type of object to check.
        [Parameter(Mandatory, Position = 1)]
        [Type] $Class,

        # The primary key value.
        [Parameter(Mandatory, Position = 2, ValueFromPipeline)]
        [object] $Id,

        # An optional command builder used to build the SQL query to be executed.
        [SqlCommandBuilder] $Builder,

        # The wait time, in seconds, before terminating the attempt to execute the command and generating an error.
        [ValidateRange("NonNegative")]
        [int] $Timeout = 30,

        # The transaction within which the command executes.
        [IDbTransaction] $Transaction
    )

    begin { $Builder ??= New-CommandBuilder $Connection }
    process { [DbConnectionExtensions]::Exists($Connection, $Class, $Id, $Timeout, $Transaction, $Builder) }
}