code: @Override
      public GetPipelineExecutionResult getPipelineExecution(GetPipelineExecutionRequest request) {
          request = beforeClientExecution(request);
          return executeGetPipelineExecution(request);
      }
docs: <p>
  Returns information about an execution of a pipeline, including details about artifacts, the pipeline execution
  ID, and the name, version, and status of the pipeline.
  </p>
  
  @param getPipelineExecutionRequest
  Represents the input of a GetPipelineExecution action.
  @return Result of the GetPipelineExecution operation returned by the service.
  @throws ValidationException
  The validation was specified in an invalid format.
  @throws PipelineNotFoundException
  The specified pipeline was specified in an invalid format or cannot be found.
  @throws PipelineExecutionNotFoundException
  The pipeline execution was specified in an invalid format or cannot be found, or an execution ID does not
  belong to the specified pipeline.
  @sample AWSCodePipeline.GetPipelineExecution
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/codepipeline-2015-07-09/GetPipelineExecution"
  target="_top">AWS API Documentation</a>