void insert(int d) {
if( d <= data) {
if (left != NULL) left->insert(d);
else left = new RankNode(d);
left_size++;
} else {
if (right != NULL) right->insert(d);
else right = new RankNode(d);
}
}
int getRank(int d) {
if (d == data) {
return left_size;
} else if (d < data) {
if (left == NULL) return -1;
else return left->getRank(d);
} else {
int right_rank = (right == NULL ? -1 : right->getRank(d));
if (right_rank == -1) return -1;
else return left_size + 1 + right_rank;
}
}
int getRank(int d) {
if (d == data) {
return left_size;
} else if (d < data) {
if (left == nullptr) {
return -1;
} else {
return left->getRank(d);
}
} else {
int right_rank = right == nullptr ? -1 : right->getRank(d);
if (right_rank == -1) return -1;
else return left_size + 1 + right_rank;
}
}
void track(int number) {
if (root == NULL) {
root = new RankNode(number);
} else {
root->insert(number);
}
}
void insert(int d) {
if (d <= data) {
if (left != nullptr) {
left->insert(d);
} else {
left = new RankNode(d);
left_size++;
}
} else {
if (right != nullptr) {
right->insert(d);
} else {
right = new RankNode(d);
}
}
}
int getRankOfNumber(int number) {
return root->getRank(number);
}
int RankBlock::set_node(const RankNode& node)
{
if (m_rank_mgr == nullptr)
{
// shouldn't be here.
cout << "m_rank_mgr not set." << endl;
return -1;
}
int offset = 0;
if (m_node_list.size() == 0)
{
// first item
m_node_list.push_front(node);
m_keys.insert(node.data().id);
m_value_range.first = m_value_range.second = node.data().value;
m_start_index = 1;
return 0;
}
else {
if (m_node_list.size() >= BlockExtentSize)
{
// shouldn't be here.
cout << "Block size error." << endl;
return -1;
}
else
{
// find pos, and insert
if (node.data().value < (*m_node_list.rbegin()).data().value)
{
m_node_list.push_back(node);
m_value_range.second = node.data().value;
offset = m_node_list.size() - 1;
m_keys.insert(node.data().id);
}
else if (node.data().value > (*m_node_list.begin()).data().value)
{
m_node_list.push_front(node);
m_value_range.first = node.data().value;
offset = 0;
m_keys.insert(node.data().id);
}
else
{
assert(m_node_list.size() >= 2);
NodeList::iterator itor = m_node_list.begin();
bool ok = false;
ValueType tmp_value = node.data().value;
//cout << "value: " << tmp_value << endl;
for (; itor != m_node_list.end(); ++itor)
{
++offset;
if (tmp_value >= (*itor).data().value)
{
// insert before next
//cout << "block size1:" << m_node_list.size() << endl;
m_node_list.insert(itor, node);
//cout << "block size2:" << m_node_list.size() << endl;
m_keys.insert(node.data().id);
ok = true;
break;
}
}
if (!ok)
{
cout << "something wrong happened." << endl;
}
}
}
}
if (m_node_list.size() == BlockExtentSize)
{
m_rank_mgr->fission(this);
}
//cout << "block size:" << m_node_list.size() << endl;
return 0;
}