@Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Retention retention = (Retention) o; if (value != retention.value) return false; if (!id.equals(retention.id)) return false; return true; }
@Override public int hashCode() { int result = id.hashCode(); result = 31 * result + value; return result; }