*/
public class Id<T> implements Comparable<Id<T>> {
- private long id;
+ private String id;
/**
* Constructs the id.
*
* @param aId
* Integer id.
+ * @throws NullPointerException
+ * in case the id is null.
*/
- public Id(long aId) {
+ public Id(String aId) {
+ if (aId == null) {
+ throw new NullPointerException("id is null");
+ }
id = aId;
}
/**
* @return The underlying id.
*/
- public long getId() {
+ public String getId() {
return id;
}
@Override
public int hashCode() {
- return ((Long) id).hashCode();
+ return id.hashCode();
}
@Override
if (!(aObj instanceof Id)) {
return false;
}
- return id == ((Id<T>) aObj).id;
+ return id.equals(((Id<T>) aObj).id);
}
@Override
public String toString() {
- return id + "";
+ return id;
}
@Override
- public int compareTo(org.wamblee.general.Id<T> aId) {
- return ((Long) id).compareTo((Long) aId.getId());
+ public int compareTo(Id<T> aId) {
+ return id.compareTo(aId.getId());
}
}