/**
* Inserts <code>obj</code> to be mapped to key <code>key<code>. All values
* mapped to keys <code>key</code> and on will be mapped to a key greater in
* one.</code></code>
*
* @param obj Object to be inserted into the map.
* @param key The insertion key
*/
public void insertObject(Object obj, int key) {
// moving all elements mapped to key through the maximal key
// to be mapped to a key greater in 1.
int max = VHashService.getMaxKey(this);
int[] keysInRange = VHashService.getIndicesInRange(key, max, this);
for (int i = keysInRange.length - 1; i >= 0; i--) {
byte removed = remove(keysInRange[i]);
put(keysInRange[i] + 1, removed);
}
// putting the new object in key.
if (obj != null) {
put(key, SparseByteColumn.toByte(obj));
}
}
/**
* Replaces the object with the specified key with the object passed in.
*
* @param obj Object that should replace the one at key
* @param key Key of the object to replace
*/
public void replaceObject(Object obj, int key) {
put(key, SparseByteColumn.toByte(obj));
}