// generate operators names table with name length. assign offset for each record
public static void genenerateOperatorsNamesTable() throws Exception {
// operatorsNamesBytes
HashMap hashNames = new HashMap();
String name;
for (int i = 0; i < arraySortedRecords.length; i++) {
name = arraySortedRecords[i].operator_name;
if (hashNames.containsKey(name)) {
Integer offset = (Integer) hashNames.get(name);
arraySortedRecords[i].operator_name_offset = offset.intValue();
} else {
byte[] nameByteArr = name.getBytes();
// since operatorsNamesBytes.length are always even...
int half_offset = operatorsNamesBytes.length() / 2;
Validator.validateOperatorNameOffset(half_offset); // validate half_offset
arraySortedRecords[i].operator_name_offset = half_offset;
int nameLength =
nameByteArr.length + 1; // length of name + one byte to present this length.
operatorsNamesBytes.addByte((byte) nameLength);
operatorsNamesBytes.addBytes(nameByteArr);
if ((operatorsNamesBytes.length() % 2) > 0) {
// add one dummy byte to make it even
operatorsNamesBytes.addByte((byte) 0);
}
hashNames.put(name, new Integer(half_offset));
}
}
// create operators Names Table
operatorsNamesTable = new BlockTable(operatorsNamesBytes.length());
operatorsNamesTable.appendData(operatorsNamesBytes.getBytes());
Validator.validateOperatorNamesTableSize(operatorsNamesTable.length);
}
