/// <summary>
/// Executes the specified sql action with the specified settings. This is
/// for Sql data retrieval statements.
/// </summary>
/// <typeparam name="TReturnType">The type of the return value.</typeparam>
/// <param name="retrySettings">The retry settings.</param>
/// <param name="methodDescriptor">The method descriptor.</param>
/// <param name="sqlAction">The sql action.</param>
/// <returns></returns>
public static async Task <TReturnType> Execute <TReturnType>(
RetrySettings retrySettings,
Func <string>
methodDescriptor,
Func <Task <TReturnType> > sqlAction)
{
return(await new SqlDataAccessHandler <TReturnType>(
retrySettings,
methodDescriptor,
sqlAction)
.Execute());
}
/// <summary>
/// Instantiates a SqlDataAccessHandler of type TReturn.
/// </summary>
/// <param name="retrySettings">The retry settings.</param>
/// <param name="methodDescriptor">The method descriptor. Used for error logging.</param>
/// <param name="awaitableAction">The data access code that should be guarded.</param>
/// <exception cref="System.ArgumentNullException">
/// methodDescriptor or action
/// </exception>
public SqlDataAccessHandler(
RetrySettings retrySettings,
Func <string> methodDescriptor,
Func <Task <TReturn> > awaitableAction)
{
if (methodDescriptor == null)
{
throw new ArgumentNullException("methodDescriptor");
}
if (awaitableAction == null)
{
throw new ArgumentNullException("awaitableAction");
}
this.retrySettings = retrySettings;
this.methodDescriptor = methodDescriptor;
this.awaitableAction = awaitableAction;
}