code: @Override
      public GetTrafficPolicyInstanceResult getTrafficPolicyInstance(GetTrafficPolicyInstanceRequest request) {
          request = beforeClientExecution(request);
          return executeGetTrafficPolicyInstance(request);
      }
docs: <p>
  Gets information about a specified traffic policy instance.
  </p>
  <note>
  <p>
  After you submit a <code>CreateTrafficPolicyInstance</code> or an <code>UpdateTrafficPolicyInstance</code>
  request, there's a brief delay while Amazon Route 53 creates the resource record sets that are specified in the
  traffic policy definition. For more information, see the <code>State</code> response element.
  </p>
  </note> <note>
  <p>
  In the Route 53 console, traffic policy instances are known as policy records.
  </p>
  </note>
  
  @param getTrafficPolicyInstanceRequest
  Gets information about a specified traffic policy instance.
  @return Result of the GetTrafficPolicyInstance operation returned by the service.
  @throws NoSuchTrafficPolicyInstanceException
  No traffic policy instance exists with the specified ID.
  @throws InvalidInputException
  The input is not valid.
  @sample AmazonRoute53.GetTrafficPolicyInstance
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/route53-2013-04-01/GetTrafficPolicyInstance"
  target="_top">AWS API Documentation</a>