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Task runners call EvaluateExpression to evaluate a string in the context of
the specified object. For example, a task runner can evaluate SQL queries stored in
Amazon S3.
This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginEvaluateExpression and EndEvaluateExpression.
Namespace: Amazon.DataPipeline
Assembly: AWSSDK.DataPipeline.dll
Version: 3.x.y.z
public abstract Task<EvaluateExpressionResponse> EvaluateExpressionAsync( EvaluateExpressionRequest request, CancellationToken cancellationToken )
Container for the necessary parameters to execute the EvaluateExpression service method.
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
| Exception | Condition |
|---|---|
| InternalServiceErrorException | An internal service error occurred. |
| InvalidRequestException | The request was not valid. Verify that your request was properly formatted, that the signature was generated with the correct credentials, and that you haven't exceeded any of the service limits for your account. |
| PipelineDeletedException | The specified pipeline has been deleted. |
| PipelineNotFoundException | The specified pipeline was not found. Verify that you used the correct user and account identifiers. |
| TaskNotFoundException | The specified task was not found. |
.NET Core App:
Supported in: 3.1
.NET Standard:
Supported in: 2.0
.NET Framework:
Supported in: 4.5