/// <summary>
/// Executes a request that queries values on a single table, with constraints.
/// </summary>
/// <parameters>
/// <param name="context">Description of the request.</param>
/// </parameters>
/// <returns>
/// The request result.
/// </returns>
public ISingleQueryResult Run(ISingleQueryContext context)
{
Debug.Assert(Connector != null);
Debug.Assert(Connector.IsOpen);
return(Execute(context));
}
#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
public Task <ISingleQueryResult> RunAsync(ISingleQueryContext context)
#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member
{
Debug.Assert(Connector != null);
Debug.Assert(Connector.IsOpen);
return(Task.Run(() => Execute(context)));
}
public override IActiveOperation <ISingleQueryResultInternal> SingleQuery(ISingleQueryContext context)
{
IMySqlSingleQueryOperation Operation = new MySqlSingleQueryOperation(context);
return(PrepareReaderOperation <ISingleQueryContext, IMySqlSingleQueryOperation, ISingleQueryOperation, ISingleQueryResult, ISingleQueryResultInternal>(
Operation,
(ISingleQueryOperation operation, IAsyncResult asyncResult) => new SingleQueryResult(operation, asyncResult),
(MySqlCommand command, ISingleQueryResultInternal result) => Operation.FinalizeOperation(command, result)));
}
/// <summary>
/// Executes a request that queries values on a single table, with constraints.
/// This is the synchronous implementation.
/// </summary>
/// <parameters>
/// <param name="context">Description of the request.</param>
/// </parameters>
/// <returns>
/// The request result.
/// </returns>
protected virtual ISingleQueryResult Execute(ISingleQueryContext context)
{
if (!IsOperationThreadStarted)
{
return(new SingleQueryResult(false, ResultError.ErrorFatalNoOperationThread));
}
IActiveOperation <ISingleQueryResultInternal> ActiveOperation = Connector.SingleQuery(context);
ISingleQueryResultInternal Result = ActiveOperation.Result;
FinalizeOrQueue(ActiveOperation);
return(Result);
}
public abstract IActiveOperation <ISingleQueryResultInternal> SingleQuery(ISingleQueryContext context);
public MySqlSingleQueryOperation(ISingleQueryContext context)
: base(context)
{
}