protected override void CacheMetadata(ActivityMetadata metadata) { if (this.Request == null) { metadata.AddValidationError(SR.SendReplyRequestCannotBeNull(this.DisplayName)); } // validate Correlation Initializers MessagingActivityHelper.ValidateCorrelationInitializer(metadata, this.correlationInitializers, true, this.DisplayName, (this.Request != null ? this.Request.OperationName : String.Empty)); // Validate Content string operationName = this.Request != null ? this.Request.OperationName : null; this.InternalContent.CacheMetadata(metadata, this, operationName); if (this.correlationInitializers != null) { for (int i = 0; i < this.correlationInitializers.Count; i++) { CorrelationInitializer initializer = this.correlationInitializers[i]; initializer.ArgumentName = Constants.Parameter + i; RuntimeArgument initializerArgument = new RuntimeArgument(initializer.ArgumentName, Constants.CorrelationHandleType, ArgumentDirection.In); metadata.Bind(initializer.CorrelationHandle, initializerArgument); metadata.AddArgument(initializerArgument); } } if (!metadata.HasViolations) { this.internalSend = CreateInternalSend(); this.InternalContent.ConfigureInternalSendReply(this.internalSend, out this.responseFormatter); InArgument <CorrelationHandle> requestReplyHandleFromReceive = GetReplyHandleFromReceive(); if (requestReplyHandleFromReceive != null) { InArgument <CorrelationHandle> internalSendCorrelatesWith = MessagingActivityHelper.CreateReplyCorrelatesWith(requestReplyHandleFromReceive); RuntimeArgument internalSendCorrelatesWithArgument = new RuntimeArgument("InternalSendCorrelatesWith", Constants.CorrelationHandleType, ArgumentDirection.In); metadata.Bind(internalSendCorrelatesWith, internalSendCorrelatesWithArgument); metadata.AddArgument(internalSendCorrelatesWithArgument); this.internalSend.CorrelatesWith = (InArgument <CorrelationHandle>)InArgument.CreateReference(internalSendCorrelatesWith, "InternalSendCorrelatesWith"); if (this.responseFormatter != null) { InArgument <CorrelationHandle> responseFormatterCorrelatesWith = MessagingActivityHelper.CreateReplyCorrelatesWith(requestReplyHandleFromReceive); RuntimeArgument responseFormatterCorrelatesWithArgument = new RuntimeArgument("ResponseFormatterCorrelatesWith", Constants.CorrelationHandleType, ArgumentDirection.In); metadata.Bind(responseFormatterCorrelatesWith, responseFormatterCorrelatesWithArgument); metadata.AddArgument(responseFormatterCorrelatesWithArgument); responseFormatter.CorrelatesWith = (InArgument <CorrelationHandle>)InArgument.CreateReference(responseFormatterCorrelatesWith, "ResponseFormatterCorrelatesWith"); } } } else { this.internalSend = null; this.responseFormatter = null; } // We don't have any imported children despite referencing the Request metadata.SetImportedChildrenCollection(new Collection <Activity>()); }