#pragma warning disable 1591 // Xml Comments
public QueryResult Execute(IQuery query, PagingInfo paging)
{
ThrowIfNoQueryPropertyOnQuery(query);
var result = QueryResult.For(query);
try
{
var authorizationResult = _fetchingSecurityManager.Authorize(query);
if (!authorizationResult.IsAuthorized)
{
result.SecurityMessages = authorizationResult.BuildFailedAuthorizationMessages();
result.Items = new object[0];
return(result);
}
result.Validation = _validator.Validate(query);
if (!result.Validation.Success)
{
result.Items = new object[0];
return(result);
}
var property = GetQueryPropertyFromQuery(query);
var actualQuery = property.GetValue(query, null);
var provider = GetQueryProvider(query, property, actualQuery);
var providerResult = ExecuteOnProvider(provider, actualQuery, paging);
result.TotalItems = providerResult.TotalItems;
var readModels = providerResult.Items as IEnumerable <IReadModel>;
result.Items = readModels != null?_filters.Filter(readModels) : providerResult.Items;
}
catch (TargetInvocationException ex)
{
_exceptionPublisher.Publish(ex.InnerException);
result.Exception = ex.InnerException;
}
catch (Exception ex)
{
_exceptionPublisher.Publish(ex);
result.Exception = ex;
}
return(result);
}
/// <inheritdoc/>
public Task <QueryResult> Execute(IQuery query, PagingInfo paging)
{
var queryType = query.GetType();
_logger.Debug("Executing query of type '{QueryName}'", queryType.AssemblyQualifiedName);
var taskCompletionSource = new TaskCompletionSource <QueryResult>();
var result = QueryResult.For(query);
try
{
ThrowIfNoQueryPropertyOnQuery(queryType);
var authorizationResult = _fetchingSecurityManager.Authorize(query);
if (!authorizationResult.IsAuthorized)
{
result.SecurityMessages = authorizationResult.BuildFailedAuthorizationMessages();
result.Items = Array.Empty <object>();
taskCompletionSource.SetResult(result);
return(taskCompletionSource.Task);
}
var validation = _validator.Validate(query);
result.BrokenRules = validation.BrokenRules;
if (!validation.Success)
{
result.Items = Array.Empty <object>();
taskCompletionSource.SetResult(result);
return(taskCompletionSource.Task);
}
var property = GetQueryPropertyFromQuery(queryType);
var actualQuery = property.GetValue(query, null);
var queryReturnType = actualQuery.GetType();
if (actualQuery is Task && queryReturnType.IsGenericType)
{
var task = actualQuery as Task;
#pragma warning disable CA2008
task.ContinueWith(tr =>
{
var resultProperty = tr.GetType().GetProperty("Result");
queryReturnType = queryReturnType.GetGenericArguments()[0];
actualQuery = resultProperty.GetValue(tr);
HandleActualQuery(queryType, actualQuery, queryReturnType, result, paging);
taskCompletionSource.SetResult(result);
});
#pragma warning restore CA2008
}
else
{
HandleActualQuery(queryType, actualQuery, queryReturnType, result, paging);
taskCompletionSource.SetResult(result);
}
}
catch (TargetInvocationException ex)
{
result.Exception = ex.InnerException;
taskCompletionSource.SetResult(result);
}
catch (Exception ex)
{
result.Exception = ex;
switch (ex)
{
case MissingQueryProperty missingQueryProperty:
{
taskCompletionSource.SetException(ex);
throw;
}
default:
{
taskCompletionSource.SetResult(result);
}
break;
}
}
return(taskCompletionSource.Task);
}
