/**
* Actual setter.
*
* @param id Database ID
* @param index column index
* @param value new value
* @param <T> type
* @return previous value
*/
@SuppressWarnings("unchecked")
protected <T> T set(DBIDRef id, int index, T value) {
Object[] d = data.get(DBIDUtil.asInteger(id));
if (d == null) {
d = new Object[rlen];
data.put(DBIDUtil.asInteger(id), d);
}
T ret = (T) d[index];
d[index] = value;
return ret;
}
/**
* Actual getter.
*
* @param id Database ID
* @param index column index
* @param <T> type
* @return current value
*/
@SuppressWarnings("unchecked")
protected <T> T get(DBIDRef id, int index) {
Object[] d = data.get(DBIDUtil.asInteger(id));
if (d == null) {
return null;
}
return (T) d[index];
}
@Override
public int binarySearch(DBIDRef key) {
int keyid = DBIDUtil.asInteger(key);
if (keyid < start) {
return -1;
}
final int off = keyid - start;
if (off < len) {
return off;
}
return -(len + 1);
}
@Override
public boolean remove(DBIDRef id) {
return data.remove(DBIDUtil.asInteger(id)) != null;
}