@Override
public boolean equals(final Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
Iteration other = (Iteration) obj;
if (number != other.number) return false;
if (project == null) {
if (other.project != null) return false;
} else if (!project.equals(other.project)) return false;
return true;
}