public void setSecret(byte[] secret) {
    this.secret = secret == null ? (java.nio.ByteBuffer)null   : java.nio.ByteBuffer.wrap(secret.clone());
  }
Returns true if field guid is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/THandleIdentifier.java