code: public Observable<StreamingPolicyInner> getAsync(String resourceGroupName, String accountName, String streamingPolicyName) {
          return getWithServiceResponseAsync(resourceGroupName, accountName, streamingPolicyName).map(new Func1<ServiceResponse<StreamingPolicyInner>, StreamingPolicyInner>() {
              @Override
              public StreamingPolicyInner call(ServiceResponse<StreamingPolicyInner> response) {
                  return response.body();
              }
          });
      }
docs: Get a Streaming Policy.
  Get the details of a Streaming Policy in the Media Services account.
  
  @param resourceGroupName The name of the resource group within the Azure subscription.
  @param accountName The Media Services account name.
  @param streamingPolicyName The Streaming Policy name.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the StreamingPolicyInner object