/**
* Returns the object at row # row
*
* @param row the row number
* @return the object at row # row. if no such object exists - returns null.
*/
public Object getObject(int row) {
if (elements.containsKey(row)) {
return elements.get(row);
} else {
return SparseDefaultValues.getDefaultObject();
}
}
/** Returns the internal representation of this column. */
public Object getInternal() {
int max_index = -1;
Object[] internal = null;
int[] keys = elements.keys();
for (int i = 0; i < keys.length; i++) {
if (keys[i] > max_index) {
max_index = keys[i];
}
}
internal = new Object[max_index + 1];
for (int i = 0; i < max_index + 1; i++) {
internal[i] = SparseDefaultValues.getDefaultObject();
}
for (int i = 0; i < keys.length; i++) {
internal[keys[i]] = elements.get(keys[i]);
}
return internal;
}