public async Task <TResult> HandleAsync(TQuery query)
{
TResult retVal;
var attribute = (TransactionQueryAttribute)TypeDescriptor.GetAttributes(query)[typeof(TransactionQueryAttribute)];
if (attribute != null)
{
TransactionScopeOption?transactionScopeOption = TransactionManager.GetTransactionScopeFromObject <IQueryWithTransactionScopeOptionOverride <TResult> >(query) ?? attribute.TransactionScopeOption;
IsolationLevel? isolationLevel = TransactionManager.GetIsolationLevelFromObject <IQueryWithTransactionIsolationLevelOverride <TResult> >(query) ?? attribute.IsolationLevel;
using (var transactionScope = TransactionManager.CreateTransactionScope(transactionScopeOption, isolationLevel))
{
TransactionManager.LogTransactionStarting(_logger, query);
retVal = await DecoratedQueryHandler.HandleAsync(query);
transactionScope.Complete();
TransactionManager.LogTransactionComplete(_logger, query);
}
}
else
{
retVal = await DecoratedQueryHandler.HandleAsync(query);
}
return(retVal);
}
public async Task <TResult> HandleAsync(TQuery query)
{
var stopWatch = Stopwatch.StartNew();
_logger.LogInformation(string.Format("{0} Started", query.GetType().Name));
var response = await DecoratedQueryHandler.HandleAsync(query);
stopWatch.Stop();
var originalLogInfo = query.ToLog();
var formattedTime = string.Format("{0:mm\\:ss\\:fff}", stopWatch.Elapsed);
var template = formattedTime + " {QueryName} - " + originalLogInfo.LogMessageTemplate;
var properties = new List <object> {
query.GetType().Name
};
properties.AddRange(originalLogInfo.LogMessageParameters);
_logger.LogInformation(template, properties.ToArray());
return(response);
}
public async Task <TResult> HandleAsync(TQuery query)
{
try
{
return(await DecoratedQueryHandler.HandleAsync(query));
}
catch (Exception ex)
{
_logger.LogError(LogEvent.QueryHandlying, ex, query.ToLog().ToString());
throw new QueryHandlerException <TQuery, TResult>("QueryHandlerException: " + query, ex, query);
}
}
