using System;
using System.Data.Common;
namespace Npgsql;
///
/// A factory to create instances of various Npgsql objects.
///
[Serializable]
public sealed class NpgsqlFactory : DbProviderFactory, IServiceProvider
{
///
/// Gets an instance of the .
/// This can be used to retrieve strongly typed data objects.
///
public static readonly NpgsqlFactory Instance = new();
NpgsqlFactory() {}
///
/// Returns a strongly typed instance.
///
public override DbCommand CreateCommand() => new NpgsqlCommand();
///
/// Returns a strongly typed instance.
///
public override DbConnection CreateConnection() => new NpgsqlConnection();
///
/// Returns a strongly typed instance.
///
public override DbParameter CreateParameter() => new NpgsqlParameter();
///
/// Returns a strongly typed instance.
///
public override DbConnectionStringBuilder CreateConnectionStringBuilder() => new NpgsqlConnectionStringBuilder();
///
/// Returns a strongly typed instance.
///
public override DbCommandBuilder CreateCommandBuilder() => new NpgsqlCommandBuilder();
///
/// Returns a strongly typed instance.
///
public override DbDataAdapter CreateDataAdapter() => new NpgsqlDataAdapter();
///
/// Specifies whether the specific supports the class.
///
public override bool CanCreateDataAdapter => true;
///
/// Specifies whether the specific supports the class.
///
public override bool CanCreateCommandBuilder => true;
///
public override bool CanCreateBatch => true;
///
public override DbBatch CreateBatch() => new NpgsqlBatch();
///
public override DbBatchCommand CreateBatchCommand() => new NpgsqlBatchCommand();
///
public override DbDataSource CreateDataSource(string connectionString)
=> NpgsqlDataSource.Create(connectionString);
#region IServiceProvider Members
///
/// Gets the service object of the specified type.
///
/// An object that specifies the type of service object to get.
/// A service object of type serviceType, or null if there is no service object of type serviceType.
public object? GetService(Type serviceType) => null;
#endregion
}