code: public Observable<ComputePolicyInner> getAsync(String resourceGroupName, String accountName, String computePolicyName) {
          return getWithServiceResponseAsync(resourceGroupName, accountName, computePolicyName).map(new Func1<ServiceResponse<ComputePolicyInner>, ComputePolicyInner>() {
              @Override
              public ComputePolicyInner call(ServiceResponse<ComputePolicyInner> response) {
                  return response.body();
              }
          });
      }
docs: Gets the specified Data Lake Analytics compute policy.
  
  @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 retrieve.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ComputePolicyInner object