* @return the next value of the data of the Packet as VM-sensitive value.
*/
public long getNextValueAsFieldID() {
if (TypesLengths.getTypeLength(TypesLengths.FIELD_ID) < 0
|| TypesLengths.getTypeLength(TypesLengths.FIELD_ID) > 8) {
throw new TestErrorException("Improper FieldID value length = "
+ TypesLengths.getTypeLength(TypesLengths.FIELD_ID));
}
reading_data_index = reading_data_index
+ TypesLengths.getTypeLength(TypesLengths.FIELD_ID);
long result = readFromByteArray(data, reading_data_index