/**
* Release a row and mark it as free.
*
* @param row the row index of the released row
* @return true if the row was successfully released, false if it was already free or if the input
* is not a valid row index
*/
public boolean releaseRow(int row) {
if (row < 0) {
return false;
} else if (m_openRows != null && m_openRows.containsKey(row)) {
return false;
} else if (row == m_curId) {
--m_curId;
} else if (row == m_firstId) {
++m_firstId;
} else {
if (m_openRows == null) m_openRows = new IntIntTreeMap(false);
m_openRows.put(row, row);
}
return true;
}
/**
* Indicates if a given row value is a valid, occupied row of the table.
*
* @param row the row index to check
* @return true if the row is valid and in use by the Table, false if it is an illegal value or is
* currently free
*/
public boolean isValidRow(int row) {
return (row >= m_firstId
&& row <= m_curId
&& (m_openRows == null || !m_openRows.containsKey(row)));
}