/**
* Creates a new Index and adds every member of c to it.
*
* @param c A collection of objects
*/
public HashIndex(Collection<? extends E> c) {
this();
addAll(c);
}
public HashIndex(Index<? extends E> index) {
this();
// TODO: this assumes that no index supports deletion
addAll(index.objectsList());
}
public HashIndex(Index<? extends E> index) {
this();
addAll(index.objectsList());
}