public java.lang.String getJobId() {
      java.lang.Object ref = jobId_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        jobId_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
<pre>
Required. The optional `job_id` for this Job . If not
specified, an id is generated. `job_id` should be no more than 128
characters and must include only characters available in DNS names, as
defined by RFC-1123.
</pre>

<code>string job_id = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@return The jobId.
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/CreateJobRequest.java