Exemplo n.º 1
0
        internal Document DeleteHelper(Key key, DeleteItemOperationConfig config, bool isAsync)
        {
            var currentConfig = config ?? new DeleteItemOperationConfig();

            var req = new DeleteItemRequest
            {
                TableName = TableName,
                Key       = key
            };

            req.BeforeRequestEvent += isAsync ?
                                      new RequestEventHandler(UserAgentRequestEventHandlerAsync) :
                                      new RequestEventHandler(UserAgentRequestEventHandlerSync);
            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                req.ReturnValues = EnumToStringMapper.Convert(currentConfig.ReturnValues);
            }
            if (currentConfig.Expected != null)
            {
                req.Expected = currentConfig.Expected.ToExpectedAttributeMap();
            }

            var attributes = DDBClient.DeleteItem(req).Attributes;

            Document ret = null;

            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                ret = Document.FromAttributeMap(attributes);
            }
            return(ret);
        }
Exemplo n.º 2
0
        internal Document DeleteHelper(Key key, DeleteItemOperationConfig config, bool isAsync)
        {
            var currentConfig = config ?? new DeleteItemOperationConfig();

            var req = new DeleteItemRequest
            {
                TableName = TableName,
                Key       = key
            };

            ((Amazon.Runtime.Internal.IAmazonWebServiceRequest)req).AddBeforeRequestHandler(isAsync ?
                                                                                            new RequestEventHandler(UserAgentRequestEventHandlerAsync) :
                                                                                            new RequestEventHandler(UserAgentRequestEventHandlerSync)
                                                                                            );
            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                req.ReturnValues = EnumMapper.Convert(currentConfig.ReturnValues);
            }

            ValidateConditional(currentConfig);

            if (currentConfig.Expected != null)
            {
                req.Expected = currentConfig.Expected.ToExpectedAttributeMap(Conversion);
            }
            else if (currentConfig.ExpectedState != null &&
                     currentConfig.ExpectedState.ExpectedValues != null &&
                     currentConfig.ExpectedState.ExpectedValues.Count > 0)
            {
                req.Expected = currentConfig.ExpectedState.ToExpectedAttributeMap(Conversion);
                if (req.Expected.Count > 1)
                {
                    req.ConditionalOperator = EnumMapper.Convert(currentConfig.ExpectedState.ConditionalOperator);
                }
            }
            else if (currentConfig.ConditionalExpression != null && currentConfig.ConditionalExpression.IsSet)
            {
                currentConfig.ConditionalExpression.ApplyExpression(req, this.Conversion);
            }

            var attributes = DDBClient.DeleteItem(req).Attributes;

            Document ret = null;

            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                ret = Document.FromAttributeMap(attributes);
            }
            return(ret);
        }
Exemplo n.º 3
0
        internal Document DeleteHelper(Key key, DeleteItemOperationConfig config)
        {
            var currentConfig = config ?? new DeleteItemOperationConfig();

            var req = new DeleteItemRequest
            {
                TableName = TableName,
                Key       = key
            };

            this.AddRequestHandler(req, isAsync: false);

            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                req.ReturnValues = EnumMapper.Convert(currentConfig.ReturnValues);
            }

            ValidateConditional(currentConfig);

            if (currentConfig.Expected != null)
            {
                req.Expected = this.ToExpectedAttributeMap(currentConfig.Expected);
            }
            else if (currentConfig.ExpectedState != null &&
                     currentConfig.ExpectedState.ExpectedValues != null &&
                     currentConfig.ExpectedState.ExpectedValues.Count > 0)
            {
                req.Expected = currentConfig.ExpectedState.ToExpectedAttributeMap(this);
                if (req.Expected.Count > 1)
                {
                    req.ConditionalOperator = EnumMapper.Convert(currentConfig.ExpectedState.ConditionalOperator);
                }
            }
            else if (currentConfig.ConditionalExpression != null && currentConfig.ConditionalExpression.IsSet)
            {
                currentConfig.ConditionalExpression.ApplyExpression(req, this);
            }

            var attributes = DDBClient.DeleteItem(req).Attributes;

            Document ret = null;

            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                ret = this.FromAttributeMap(attributes);
            }
            return(ret);
        }
Exemplo n.º 4
0
        internal Document DeleteHelper(Key key, DeleteItemOperationConfig config, bool isAsync)
        {
            var currentConfig = config ?? new DeleteItemOperationConfig();

            var req = new DeleteItemRequest
            {
                TableName = TableName,
                Key       = key
            };

            req.BeforeRequestEvent += isAsync ?
                                      new RequestEventHandler(UserAgentRequestEventHandlerAsync) :
                                      new RequestEventHandler(UserAgentRequestEventHandlerSync);
            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                req.ReturnValues = EnumMapper.Convert(currentConfig.ReturnValues);
            }
            if (currentConfig.Expected != null && currentConfig.ExpectedState != null)
            {
                throw new InvalidOperationException("Expected and ExpectedState cannot be set at the same time");
            }
            if (currentConfig.Expected != null)
            {
                req.Expected = currentConfig.Expected.ToExpectedAttributeMap();
            }
            if (currentConfig.ExpectedState != null &&
                currentConfig.ExpectedState.ExpectedValues != null &&
                currentConfig.ExpectedState.ExpectedValues.Count > 0)
            {
                req.Expected = currentConfig.ExpectedState.ToExpectedAttributeMap();
                if (req.Expected.Count > 1)
                {
                    req.ConditionalOperator = EnumMapper.Convert(currentConfig.ExpectedState.ConditionalOperator);
                }
            }

            var attributes = DDBClient.DeleteItem(req).Attributes;

            Document ret = null;

            if (currentConfig.ReturnValues == ReturnValues.AllOldAttributes)
            {
                ret = Document.FromAttributeMap(attributes);
            }
            return(ret);
        }