public class PurchaseOrderType
    implements Equals //, ...

    // ...    

    public boolean equals(Object object) {
        final EqualsStrategy strategy = JAXBEqualsStrategy.INSTANCE;
        return equals(null, null, object, strategy);
    }

    public boolean equals(ObjectLocator thisLocator, ObjectLocator thatLocator, Object object, EqualsStrategy strategy) {
        if (!(object instanceof PurchaseOrderType)) {
            return false;
        }
        if (this == object) {
            return true;
        }
        final PurchaseOrderType that = ((PurchaseOrderType) object);
        {
            USAddress lhsShipTo;
            lhsShipTo = this.getShipTo();
            USAddress rhsShipTo;
            rhsShipTo = that.getShipTo();
            if (!strategy.equals(LocatorUtils.property(thisLocator, "shipTo", lhsShipTo), LocatorUtils.property(thatLocator, "shipTo", rhsShipTo), lhsShipTo, rhsShipTo)) {
                return false;
            }
        }
        {
            USAddress lhsBillTo;
            lhsBillTo = this.getBillTo();
            USAddress rhsBillTo;
            rhsBillTo = that.getBillTo();
            if (!strategy.equals(LocatorUtils.property(thisLocator, "billTo", lhsBillTo), LocatorUtils.property(thatLocator, "billTo", rhsBillTo), lhsBillTo, rhsBillTo)) {
                return false;
            }
        }
        // ...
        return true;
    }

    // ...
}

-Xequals-equalsStrategyClass=com.acme.foo.CustomEqualsStrategy