code: public Observable<JobResourceInner> getAsync(String vaultName, String resourceGroupName, String jobName) {
          return getWithServiceResponseAsync(vaultName, resourceGroupName, jobName).map(new Func1<ServiceResponse<JobResourceInner>, JobResourceInner>() {
              @Override
              public JobResourceInner call(ServiceResponse<JobResourceInner> response) {
                  return response.body();
              }
          });
      }
docs: Gets exteded information associated with the job.
  
  @param vaultName The name of the recovery services vault.
  @param resourceGroupName The name of the resource group where the recovery services vault is present.
  @param jobName Name of the job whose details are to be fetched.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the JobResourceInner object