public void setSessionHandle(SessionHandle hiveSessionHandle) {
      this.hiveSessionHandle = Optional.of(hiveSessionHandle);
      this.sessionCount++;
    }
Set the Hive session handle tied to this client connection.

@param hiveSessionHandle The Hive session handle
@throws NullPointerException if {@code hiveSessionHandle} is null
service/src/java/org/apache/hive/service/cli/thrift/ThriftCLIService.java