public Builder setDagName(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        dagName_ = value;
        bitField0_ |= 0x00000010;
        onChanged();
        return this;
      }
<pre>
Display names cannot be modified by the client for now. If needed, they should be sent to HS2 who will put them here.
</pre>

<code>optional string dag_name = 5;</code>
@param value The dagName to set.
@return This builder for chaining.
llap-common/src/gen/protobuf/gen-java/org/apache/hadoop/hive/llap/daemon/rpc/LlapDaemonProtocolProtos.java