No meu projeto, ao clicar na caixa de seleção e adicionar mais botão, estou tentando adicionar uma linha e, ao clicar no botão remover, remova a linha exata.

Às vezes, recebo valores de parâmetros errados nos métodos do controlador. Portanto, toda a lógica de geração de componentes não está funcionando corretamente.

Index.xhtml

<h:form>
    <h:panelGroup id="shipmentTermsBox">
        <c:forEach items="#{postOffer.shipmentTerms}" var="shipment" varStatus="shipmentCount">
            OuterIndex : #{shipmentCount.index}
            <h:selectBooleanCheckbox value="#{shipment.status}">
                <f:ajax event="change" listener="#{postOffer.addShipmentTermsRow(shipmentCount.index)}" render="shipmentTermsBox" />
            </h:selectBooleanCheckbox>
            <label for="stayin">#{shipment.name} </label>
            <br/>
            <table border="1">
                <c:forEach items="#{shipment.shipmentRowList}" var="shipmentRow" varStatus="shipmentRowCount">
                    <tr>
                        <td>
                            InnerIndex : #{shipmentRowCount.index}
                        </td>
                        <td>
                            #{shipmentRow.priceChoice}
                            <h:selectOneMenu value="#{shipmentRow.priceChoice}">
                                <f:selectItem itemValue="Above Price" itemLabel="Above Price"/>
                                <f:selectItem itemValue="+ (more)" itemLabel="+ (more)"/>
                                <f:selectItem itemValue="- (more)" itemLabel="- (more)"/>
                                <f:ajax event="change" listener="#{postOffer.processPriceDiffChoice(shipmentCount.index,shipmentRowCount.index)}" render="shipmentTermsBox"/>
                            </h:selectOneMenu>
                        </td>
                        <td>
                            #{shipmentRow.priceEnable}
                            <h:panelGroup rendered="#{shipmentRow.priceEnable}">
                                <h:inputText value="#{shipmentRow.price}">
                                    <f:ajax/>
                                </h:inputText>
                            </h:panelGroup>
                        </td>
                        <td>
                            <h:commandButton value="Remove">
                                <f:ajax event="action" listener="#{postOffer.removeShipmentTermsRow(shipmentCount.index,shipmentRowCount.index)}" render="shipmentTermsBox"/>
                            </h:commandButton>
                        </td>
                    </tr>
                </c:forEach>
            </table>
            <h:panelGroup rendered="#{shipment.status}">
                <h:commandButton value="Add More">
                    <f:ajax event="action" listener="#{postOffer.addShipmentTermsRow(shipmentCount.index)}" render="shipmentTermsBox"/>
                </h:commandButton>
                <br/><br/>
            </h:panelGroup>
        </c:forEach>
    </h:panelGroup>
</h:form>

PostOffer.java

@ManagedBean
@ViewScoped
public class PostOffer implements Serializable {
    private List<ShipmentProxy> shipmentTerms = new ArrayList<ShipmentProxy>();

    public PostOffer() {}

    @PostConstruct
    public void init() {
        shipmentTerms.add(new ShipmentProxy(1l, "FAS"));
        shipmentTerms.add(new ShipmentProxy(2l, "CFR"));
    }

    public void processPriceDiffChoice(int shipmentIndex, int rowIndex) {
        ShipmentRow row = shipmentTerms.get(shipmentIndex).getShipmentRowList().get(rowIndex);
        if (row.getPriceChoice().equals("Above Price")) {
            row.setPriceEnable(false);
        } else {
            row.setPriceEnable(true);
        }
    }

    public void addShipmentTermsRow(int shipmentIndex) {
        ShipmentProxy proxy = shipmentTerms.get(shipmentIndex);
        if (proxy.isStatus()) {
            proxy.getShipmentRowList().add(new ShipmentRow());
        } else {
            proxy.getShipmentRowList().clear();
        }
    }

    public void removeShipmentTermsRow(int shipmentIndex, int rowIndex) {
        shipmentTerms.get(shipmentIndex).getShipmentRowList().remove(rowIndex);
    }
    //getters and setters
}

ShipmentProxy.java

public class ShipmentProxy {
    private Long id;
    private boolean status;
    private String name;
    private List<ShipmentRow> shipmentRowList = new ArrayList<ShipmentRow>();

    public ShipmentProxy(Long id, String name) {
        this.id = id;
        this.name = name;
    }
    //getters and setters
}

ShipmentRow.java

public class ShipmentRow {
    private String priceChoice = "Above Price";
    private String price = "0";
    private boolean priceEnable = false;
    //getters and setters
}

Resultado :

O que estou fazendo errado? Existe algum erro lógico no meu código?