1 package de.fhdw.wtf.persistence.meta;
2
3 /**
4 * A class to represent a supertype to all instance Items, which are Links and Objects.
5 *
6 */
7 public abstract class InstanceItem implements Matchable {
8
9 /**
10 * Each Instance Item should have its identity inside the database.
11 *
12 * @return Provides the Id of this instance Item inside the database.
13 */
14 public abstract long getId();
15 }