/// <summary>
/// Derived classes override this method to provide custom invocation behavior.
/// </summary>
/// <param name="instance">Instance to invoke the invoker against.</param>
/// <param name="inputs">Input parameters post conversion.</param>
/// <returns>Result of invocation.</returns>
protected override async ValueTask <object> InvokeCoreAsync(object instance, object[] inputs)
{
ServiceInvokeResult invokeResult;
try
{
InvokeDescription description = new InvokeDescription(this.operation, inputs);
invokeResult = await((DomainService)instance).InvokeAsync(description, CancellationToken.None).ConfigureAwait(false);
}
catch (UnauthorizedAccessException ex)
{
throw new DomainDataServiceException((int)System.Net.HttpStatusCode.Unauthorized, ex.Message, ex);
}
catch (Exception ex)
{
if (ex.IsFatal())
{
throw;
}
else
{
throw new DomainDataServiceException(Resource.DomainDataService_General_Error, ex);
}
}
// This will throw if there are any validation erros
DomainDataServiceException.HandleValidationErrors(invokeResult.ValidationErrors);
return(invokeResult.Result);
}
/// <summary>
/// Derived classes override this method to provide custom invocation behavior.
/// </summary>
/// <param name="instance">Instance to invoke the invoker against.</param>
/// <param name="inputs">Input parameters post conversion.</param>
/// <param name="outputs">Optional out parameters.</param>
/// <returns>Result of invocation.</returns>
protected override object InvokeCore(object instance, object[] inputs, out object[] outputs)
{
outputs = ServiceUtils.EmptyObjectArray;
IEnumerable <ValidationResult> validationErrors;
object result;
try
{
InvokeDescription description = new InvokeDescription(this.operation, inputs);
result = ((DomainService)instance).Invoke(description, out validationErrors);
}
catch (UnauthorizedAccessException ex)
{
throw new DomainDataServiceException((int)System.Net.HttpStatusCode.Unauthorized, ex.Message, ex);
}
catch (Exception ex)
{
if (ex.IsFatal())
{
throw;
}
else
{
throw new DomainDataServiceException(Resource.DomainDataService_General_Error, ex);
}
}
DomainDataServiceException.HandleValidationErrors(validationErrors);
return(result);
}
/// <summary>
/// Derived classes override this method to provide custom invocation behavior.
/// </summary>
/// <param name="instance">Instance to invoke the invoker against.</param>
/// <param name="inputs">Input parameters post conversion.</param>
/// <param name="outputs">Optional out parameters.</param>
/// <returns>Result of invocation.</returns>
protected override object InvokeCore(object instance, object[] inputs, out object[] outputs)
{
outputs = ServiceUtils.EmptyObjectArray;
// DEVNOTE(wbasheer): Need to perform query composition here for query options, potentially
// need to inject the query options in the message properties somewhere.
QueryDescription queryDesc = new QueryDescription(this.operation, inputs);
IEnumerable <ValidationResult> validationErrors;
int totalCount;
IEnumerable <TEntity> result;
try
{
result = (IEnumerable <TEntity>)((DomainService)instance).Query(queryDesc, out validationErrors, out totalCount);
}
catch (UnauthorizedAccessException ex)
{
throw new DomainDataServiceException((int)System.Net.HttpStatusCode.Unauthorized, ex.Message, ex);
}
catch (Exception ex)
{
if (ex.IsFatal())
{
throw;
}
else
{
throw new DomainDataServiceException(Resource.DomainDataService_General_Error, ex);
}
}
DomainDataServiceException.HandleValidationErrors(validationErrors);
// DEVNOTE(wbasheer): Potentially return something that contains both the sequence and
// the count value obtained from the query operation.
return(result);
}
/// <summary>
/// Derived classes override this method to provide custom invocation behavior.
/// </summary>
/// <param name="instance">Instance to invoke the invoker against.</param>
/// <param name="inputs">Input parameters post conversion.</param>
/// <returns>Result of invocation.</returns>
protected override async ValueTask <object> InvokeCoreAsync(object instance, object[] inputs)
{
// DEVNOTE(wbasheer): Need to perform query composition here for query options, potentially
// need to inject the query options in the message properties somewhere.
QueryDescription queryDesc = new QueryDescription(this.operation, inputs);
IEnumerable <ValidationResult> validationErrors;
IEnumerable <TEntity> result;
try
{
var queryResult = await((DomainService)instance).QueryAsync <TEntity>(queryDesc, CancellationToken.None).ConfigureAwait(false);
validationErrors = queryResult.ValidationErrors;
result = (IEnumerable <TEntity>)queryResult.Result;
}
catch (UnauthorizedAccessException ex)
{
throw new DomainDataServiceException((int)System.Net.HttpStatusCode.Unauthorized, ex.Message, ex);
}
catch (Exception ex)
{
if (ex.IsFatal())
{
throw;
}
else
{
throw new DomainDataServiceException(Resource.DomainDataService_General_Error, ex);
}
}
DomainDataServiceException.HandleValidationErrors(validationErrors);
// DEVNOTE(wbasheer): Potentially return something that contains both the sequence and
// the count value obtained from the query operation.
return(result);
}