dev-npgsql/npgsql: Npgsql is the .NET data provider for PostgreSQL.

src/Npgsql/NpgsqlOperationInProgressException.cs

33 строки1 KB

Shay Rojansky

Make NpgsqlOperationInProgress inherit from NpgsqlException (#3153)

18 сен 2020, 19:42

18 сен 2020, 19:428a0cbe7

namespace Npgsql
{
    /// <summary>
    /// Thrown when trying to use a connection that is already busy performing some other operation.
    /// Provides information on the already-executing operation to help with debugging.
    /// </summary>
    public sealed class NpgsqlOperationInProgressException : NpgsqlException
    {
        /// <summary>
        /// Creates a new instance of <see cref="NpgsqlOperationInProgressException" />.
        /// </summary>
        /// <param name="command">
        /// A command which was in progress when the operation which triggered this exception was executed.
        /// </param>
        public NpgsqlOperationInProgressException(NpgsqlCommand command)
            : base("A command is already in progress: " + command.CommandText)
        {
            CommandInProgress = command;
        }

        internal NpgsqlOperationInProgressException(ConnectorState state)
            : base($"The connection is already in state '{state}'")
        {
        }

        /// <summary>
        /// If the connection is busy with another command, this will contain a reference to that command.
        /// Otherwise, if the connection if busy with another type of operation (e.g. COPY), contains
        /// <see langword="null" />.
        /// </summary>
        public NpgsqlCommand? CommandInProgress { get; }
    }
}