/**
* @param offset file pointer to start reading lines from
* @param prefixArr prefix to search forward for
* @return offset where the search found the first match or EOF
* @throws IOException if an I/O exception occurs while searching
*/
public long search(long offset, char[] prefixArr) throws IOException {
// debug
// System.out.println(offset + " - " + prefix);
String tmpStr;
ffReadLine.seek(offset);
if (offset > 0) {
ffReadLine.readLine();
}
while (true) {
offset = ffReadLine.filePointer;
tmpStr = ffReadLine.readLine();
if (tmpStr == null) {
break;
}
if (psComparator.comparePrefix(prefixArr, tmpStr.toCharArray()) <= 0) {
break;
}
}
ffReadLine.reset();
return offset;
}
