internal Task <IBinding> CreateBinding(ParameterInfo parameter)
{
Type coreType = TypeUtility.GetCoreType(parameter.ParameterType);
IBinding genericBinding = BindingFactory.BindGenericCollector(parameter, typeof(EasyTableAsyncCollector <>), coreType,
_jobHostConfig.GetService <IConverterManager>(), (s) => _easyTableContext);
return(Task.FromResult(genericBinding));
}
public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
ParameterInfo parameter = context.Parameter;
DocumentDBAttribute attribute = parameter.GetCustomAttribute <DocumentDBAttribute>(inherit: false);
if (attribute == null)
{
return(null);
}
if (string.IsNullOrEmpty(_docDBConfig.ConnectionString) &&
string.IsNullOrEmpty(attribute.ConnectionString))
{
throw new InvalidOperationException(
string.Format(CultureInfo.CurrentCulture,
"The DocumentDB connection string must be set either via a '{0}' app setting, via the DocumentDBAttribute.ConnectionString property or via DocumentDBConfiguration.ConnectionString.",
DocumentDBConfiguration.AzureWebJobsDocumentDBConnectionStringName));
}
DocumentDBContext documentDBContext = CreateContext(_docDBConfig, attribute, _jobHostConfig.NameResolver);
if (attribute.CreateIfNotExists)
{
await CreateIfNotExistAsync(documentDBContext.Service, documentDBContext.ResolvedDatabaseName, documentDBContext.ResolvedCollectionName);
}
Type coreType = TypeUtility.GetCoreType(parameter.ParameterType);
IBinding binding = null;
try
{
binding = BindingFactory.BindGenericCollector(parameter, typeof(DocumentDBAsyncCollector <>), coreType,
_jobHostConfig.GetService <IConverterManager>(), (s) => documentDBContext);
}
catch (Exception ex)
{
// BindingFactory uses a couple levels of reflection so we get TargetInvocationExceptions here.
// This pulls out the root exception and rethrows it.
while (ex.InnerException != null)
{
ex = ex.InnerException;
}
ExceptionDispatchInfo.Capture(ex).Throw();
}
return(binding);
}
