public boolean isEqual(IRelationship RelationshipToCheck) {
String thisId = getId();
String thatId = RelationshipToCheck.getId();
if ((thisId == null) || (thatId == null)) {
throw new IllegalArgumentException("One of the arguments is missing an ID.");
}
return thisId.equals(thatId);
}
public boolean isEquivalent(IRelationship c) {
return (getClass().equals(c.getClass())) && hasGenerated(c.getGenerated());
}
