V nextValue() {
if (branch) {
return branch1.nextValue();
}
V value = branch0.nextValue();
if (value != NONEXISTENT) {
return value;
}
branch = true;
return branch1.nextValue();
}
public boolean hasNext() {
while (next == NONEXISTENT) {
if (tableIdx == table.array.length() && tableIterator == null) {
return false;
}
if (tableIterator == null) {
int rowIdx = tableIdx++;
if (table.array.get(rowIdx) != null) {
tableIterator = createRowIterator(table, rowIdx);
}
}
if (tableIterator != null) {
next = tableIterator.nextValue();
if (next == NONEXISTENT) {
tableIterator = null;
}
}
}
return true;
}
