question: public void queryFunction1 ( ByteBuffer bb , StringBuilder high , StringBuilder low ) { bb . putLong ( windowId ) ; byte opId = ( byte ) ( operatorId ) ; bb . put ( opId ) ; ByteBuffer lowbb = bb ; lowbb . put ( ( byte ) 0 ) ; lowbb . put ( ( byte ) 0 ) ; lowbb . put ( ( byte ) 0 ) ; for ( byte b : lowbb . array ( ) ) { low . append ( String . format ( "02x" , b & 0xff ) ) ; } ByteBuffer highbb = bb ; highbb . put ( ( byte ) 0xff ) ; highbb . put ( ( byte ) 0xff ) ; highbb . put ( ( byte ) 0xff ) ; for ( byte b : highbb . array ( ) ) { high . append ( String . format ( "02x" , b & 0xff ) ) ; } }
target:  8B windowId | 1B opratorId | 3B tupleId