code: public Observable<ComputePolicyInner> createOrUpdateAsync(String resourceGroupName, String accountName, String computePolicyName, CreateOrUpdateComputePolicyParameters parameters) {
          return createOrUpdateWithServiceResponseAsync(resourceGroupName, accountName, computePolicyName, parameters).map(new Func1<ServiceResponse<ComputePolicyInner>, ComputePolicyInner>() {
              @Override
              public ComputePolicyInner call(ServiceResponse<ComputePolicyInner> response) {
                  return response.body();
              }
          });
      }
docs: Creates or updates the specified compute policy. During update, the compute policy with the specified name will be replaced with this new compute policy. An account supports, at most, 50 policies.
  
  @param resourceGroupName The name of the Azure resource group.
  @param accountName The name of the Data Lake Analytics account.
  @param computePolicyName The name of the compute policy to create or update.
  @param parameters Parameters supplied to create or update the compute policy. The max degree of parallelism per job property, min priority per job property, or both must be present.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ComputePolicyInner object