public override void Delete(Expression <Func <T, bool> > where)
{
try
{
List <T> items = Get(where, null, 0, Int32.MaxValue);
if (items != null && items.Count > 0)
{
foreach (T item in items)
{
DeleteAttributesRequest deleteRequest = new DeleteAttributesRequest();
deleteRequest.DomainName = m_objectMapper.TableName;
deleteRequest.ItemName = item.Id.ToString();
DeleteAttributesResponse response = m_simpleDBClient.DeleteAttributes(deleteRequest);
if (response.IsSetResponseMetadata())
{
ResponseMetadata responseMetadata = response.ResponseMetadata;
logger.Debug("Delete response: " + responseMetadata.RequestId);
}
if (Deleted != null)
{
Deleted(item);
}
}
}
}
catch (Exception excp)
{
logger.Error("Exception SimpleDBAssetPersistor Delete (for " + typeof(T).Name + "). " + excp.Message);
throw;
}
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
{
DeleteAttributesResponse response = new DeleteAttributesResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.IsStartElement)
{
if (context.TestExpression("DeleteAttributesResult", 2))
{
UnmarshallResult(context, response);
continue;
}
if (context.TestExpression("ResponseMetadata", 2))
{
response.ResponseMetadata = ResponseMetadataUnmarshaller.Instance.Unmarshall(context);
}
}
}
return(response);
}
public override void Delete(T asset)
{
try
{
DeleteAttributesRequest deleteRequest = new DeleteAttributesRequest();
deleteRequest.DomainName = m_objectMapper.TableName;
deleteRequest.ItemName = asset.Id.ToString();
DeleteAttributesResponse response = m_simpleDBClient.DeleteAttributes(deleteRequest);
if (response.IsSetResponseMetadata())
{
ResponseMetadata responseMetadata = response.ResponseMetadata;
logger.Debug("Delete response: " + responseMetadata.RequestId);
}
if (Deleted != null)
{
Deleted(asset);
}
}
catch (Exception excp)
{
logger.Error("Exception SimpleDBAssetPersistor Delete (for " + typeof(T).Name + "). " + excp.Message);
throw;
}
}
public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
{
DeleteAttributesResponse response = new DeleteAttributesResponse();
while (context.Read())
{
if (context.IsStartElement)
{
if (context.TestExpression("ResponseMetadata", 2))
{
response.ResponseMetadata = ResponseMetadataUnmarshaller.GetInstance().Unmarshall(context);
}
}
}
return(response);
}
private void btnDeletetAttributes_Click(object sender, RoutedEventArgs e)
{
SimpleDBResponseEventHandler <object, ResponseEventArgs> responseHandler = null;
responseHandler = delegate(object senderAmazon, ResponseEventArgs args)
{
SimpleDB.Client.OnSimpleDBResponse -= responseHandler;
DeleteAttributesResponse deleteResponse = args.Response as DeleteAttributesResponse;
this.Dispatcher.BeginInvoke(() =>
{
this.Attributes.Clear();
string message = string.Empty;
if (null != deleteResponse)
{
message = "Attribute(s) deleted successfully.";
}
else
{
AmazonSimpleDBException exception = args.Response as AmazonSimpleDBException;
if (null != exception)
{
message = "Error: " + exception.Message;
}
}
this.FetchingOrDeletingAttributeMessage = message;
});
};
SimpleDB.Client.OnSimpleDBResponse += responseHandler;
DeleteAttributesRequest deleteRequest = new DeleteAttributesRequest()
{
DomainName = this.DomainName, ItemName = this.ItemName
};
List <Amazon.SimpleDB.Model.Attribute> deleteItem = deleteRequest.Attribute;
List <AttributeAndValue> aAndV = GetListAttributeAndValueFromString(this.AttributesAndValuesToPut);
aAndV.ForEach(a => deleteItem.Add(new Amazon.SimpleDB.Model.Attribute().WithName(a.Attribute).WithValue(a.Value)));
//deleteItem.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Category").WithValue("Clothes"));
//deleteItem.Add(new Amazon.SimpleDB.Model.Attribute().WithName("Subcategory").WithValue("Sweater"));
SimpleDB.Client.DeleteAttributes(deleteRequest);
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
DeleteAttributesResponse response = new DeleteAttributesResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("attributes", targetDepth))
{
var unmarshaller = new ListUnmarshaller <Attribute, AttributeUnmarshaller>(AttributeUnmarshaller.Instance);
response.Attributes = unmarshaller.Unmarshall(context);
continue;
}
}
return(response);
}
private static void UnmarshallResult(XmlUnmarshallerContext context, DeleteAttributesResponse response)
{
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
if (context.IsStartOfDocument)
{
targetDepth += 2;
}
while (context.ReadAtDepth(originalDepth))
{
if (context.IsStartElement || context.IsAttribute)
{
}
}
return;
}
public async Task DeleteNewsItem(string id)
{
var client = GetClient();
DeleteAttributesRequest request = new DeleteAttributesRequest();
//request.Attributes.Add(new Amazon.SimpleDB.Model.Attribute { Name = id });
request.DomainName = Domain;
request.ItemName = id;
try
{
DeleteAttributesResponse response = await client.DeleteAttributesAsync(request);
}
catch (AmazonSimpleDBException ex)
{
_logger.LogError(ex, $"Error Code: {ex.ErrorCode}, Error Type: {ex.ErrorType}");
throw;
}
}
