Java 在返回类类型时取消选中转换

我有一个返回类类型的方法，它工作正常。
问题是。。。我收到一些编译警告，指示未经检查的转换

以下是我收到的警告信息：

支持.java

public class ResultList2 {
    ...
    private Component createPaging() {
        return new Paging("paging", getRequestPageContext(), new Paging.Support() {
            @Override
            public void switchPage(AjaxRequestTarget target, int targetPageNum) {
                getRequestPageContext().switchPage(target, targetPageNum);
            }
            @Override
            public int getTotalNum() {
                return getSearchResult().getTotalNum();
            }
            @Override
            public int getPageSize() {
                return getSearchResult().getPageSize();
            }
            @Override
            public int getLastPageNum() {
                return getSearchResult().getLastPageNum();
            }
            @Override
            public int getCurrentPageNum() {
                return getSearchResult().getCurrentPageNum();
            }

            @SuppressWarnings("unchecked")
            @Override
            public Class<RefreshSearchResultEventPayload> getAjaxEventPayloadClass() {
                return RefreshSearchResultEventPayload.class;
            }

            @Override
            public void decorateAjaxAttributes(AjaxRequestAttributes attributes, String pageNumMarkupId) {
                decorateAjaxRefreshSearchResult(attributes, pageNumMarkupId);
            }
        });
    }
    ...
}

public static interface Support extends Serializable {
    ...
    <P extends AjaxEventPayload> Class<P> getAjaxEventPayloadClass();
    ...
}

public class Paging {
    ...
    private Support m_support;
    ...

    @Override
    public void onEvent(IEvent<?> event) {
        super.onEvent(event);
        WicketUtil.onEvent(event, m_support.getAjaxEventPayloadClass(), new AjaxEventHandler<AjaxEventPayload>() {
            @Override
            public void onEvent(IEvent<?> event, AjaxRequestTarget target, AjaxEventPayload paymentLoad) {
                m_firstPageNumModel.detach();
                m_previousPageNumModel.detach();
                m_nextPageNumModel.detach();
                m_lastPageNumModel.detach();
                target.add(m_container);
            }
        });
    }
    ...
}

public class WicketUtil {
    ...
    public static <P extends AjaxEventPayload> void onEvent(IEvent<?> event, Class<P> targetPayload, AjaxEventHandler<P> handler) {
        if (event.getPayload() != null) {
            if (targetPayload.isAssignableFrom(event.getPayload().getClass())) {
                P p = (AjaxEventPayload)event.getPayload();
                handler.onEvent(event, p.getTarget(), p);
            }

        }
    }
    ...
}

公共静态接口支持扩展了可序列化{
...
getAjaxEventPayloadClass（）；
...
}

Paging.java

public class ResultList2 {
    ...
    private Component createPaging() {
        return new Paging("paging", getRequestPageContext(), new Paging.Support() {
            @Override
            public void switchPage(AjaxRequestTarget target, int targetPageNum) {
                getRequestPageContext().switchPage(target, targetPageNum);
            }
            @Override
            public int getTotalNum() {
                return getSearchResult().getTotalNum();
            }
            @Override
            public int getPageSize() {
                return getSearchResult().getPageSize();
            }
            @Override
            public int getLastPageNum() {
                return getSearchResult().getLastPageNum();
            }
            @Override
            public int getCurrentPageNum() {
                return getSearchResult().getCurrentPageNum();
            }

            @SuppressWarnings("unchecked")
            @Override
            public Class<RefreshSearchResultEventPayload> getAjaxEventPayloadClass() {
                return RefreshSearchResultEventPayload.class;
            }

            @Override
            public void decorateAjaxAttributes(AjaxRequestAttributes attributes, String pageNumMarkupId) {
                decorateAjaxRefreshSearchResult(attributes, pageNumMarkupId);
            }
        });
    }
    ...
}

public static interface Support extends Serializable {
    ...
    <P extends AjaxEventPayload> Class<P> getAjaxEventPayloadClass();
    ...
}

public class Paging {
    ...
    private Support m_support;
    ...

    @Override
    public void onEvent(IEvent<?> event) {
        super.onEvent(event);
        WicketUtil.onEvent(event, m_support.getAjaxEventPayloadClass(), new AjaxEventHandler<AjaxEventPayload>() {
            @Override
            public void onEvent(IEvent<?> event, AjaxRequestTarget target, AjaxEventPayload paymentLoad) {
                m_firstPageNumModel.detach();
                m_previousPageNumModel.detach();
                m_nextPageNumModel.detach();
                m_lastPageNumModel.detach();
                target.add(m_container);
            }
        });
    }
    ...
}

public class WicketUtil {
    ...
    public static <P extends AjaxEventPayload> void onEvent(IEvent<?> event, Class<P> targetPayload, AjaxEventHandler<P> handler) {
        if (event.getPayload() != null) {
            if (targetPayload.isAssignableFrom(event.getPayload().getClass())) {
                P p = (AjaxEventPayload)event.getPayload();
                handler.onEvent(event, p.getTarget(), p);
            }

        }
    }
    ...
}

公共类分页{
...
私人支持m_支持；
...
@凌驾
公共无效OneEvent（IEEvent事件）{
super.onEvent（事件）；
OneEvent（事件，m_支持。getAjaxEventPayloadClass（），新的AjaxEventHandler（））{
@凌驾
public void OneEvent（IEEvent事件、AjaxRequestTarget目标、AjaxEventPayload paymentLoad）{
m_firstPageNumModel.detach（）；
m_previousPageNumModel.detach（）；
m_nextPageNumModel.detach（）；
m_lastPageNumModel.detach（）；
添加（m_容器）；
}
});
}
...
}

WicketUtil.java

public class ResultList2 {
    ...
    private Component createPaging() {
        return new Paging("paging", getRequestPageContext(), new Paging.Support() {
            @Override
            public void switchPage(AjaxRequestTarget target, int targetPageNum) {
                getRequestPageContext().switchPage(target, targetPageNum);
            }
            @Override
            public int getTotalNum() {
                return getSearchResult().getTotalNum();
            }
            @Override
            public int getPageSize() {
                return getSearchResult().getPageSize();
            }
            @Override
            public int getLastPageNum() {
                return getSearchResult().getLastPageNum();
            }
            @Override
            public int getCurrentPageNum() {
                return getSearchResult().getCurrentPageNum();
            }

            @SuppressWarnings("unchecked")
            @Override
            public Class<RefreshSearchResultEventPayload> getAjaxEventPayloadClass() {
                return RefreshSearchResultEventPayload.class;
            }

            @Override
            public void decorateAjaxAttributes(AjaxRequestAttributes attributes, String pageNumMarkupId) {
                decorateAjaxRefreshSearchResult(attributes, pageNumMarkupId);
            }
        });
    }
    ...
}

public static interface Support extends Serializable {
    ...
    <P extends AjaxEventPayload> Class<P> getAjaxEventPayloadClass();
    ...
}

public class Paging {
    ...
    private Support m_support;
    ...

    @Override
    public void onEvent(IEvent<?> event) {
        super.onEvent(event);
        WicketUtil.onEvent(event, m_support.getAjaxEventPayloadClass(), new AjaxEventHandler<AjaxEventPayload>() {
            @Override
            public void onEvent(IEvent<?> event, AjaxRequestTarget target, AjaxEventPayload paymentLoad) {
                m_firstPageNumModel.detach();
                m_previousPageNumModel.detach();
                m_nextPageNumModel.detach();
                m_lastPageNumModel.detach();
                target.add(m_container);
            }
        });
    }
    ...
}

public class WicketUtil {
    ...
    public static <P extends AjaxEventPayload> void onEvent(IEvent<?> event, Class<P> targetPayload, AjaxEventHandler<P> handler) {
        if (event.getPayload() != null) {
            if (targetPayload.isAssignableFrom(event.getPayload().getClass())) {
                P p = (AjaxEventPayload)event.getPayload();
                handler.onEvent(event, p.getTarget(), p);
            }

        }
    }
    ...
}

公共类WicketUtil{
...
公共静态void OneEvent（IEEvent事件，类
targetPayload，AjaxEventHandler
handler）{
if（event.getPayload（）！=null）{
if（targetPayload.isAssignableFrom（event.getPayload（）.getClass（）））{
P=（AjaxEventPayload）事件.getPayload（）；
onEvent（事件，p.getTarget（），p）；
}
}
}
...
}

m_support.getAjaxEventPayloadClass（）

在

WicketUtil.onEvent（）上调用/传递。。。特别是第二个参数。

RefreshSearchResultEventPayload
只是扩展
AjaxEventPayload
的类之一，还有其他类扩展到
AjaxEventPayload
，并传递给
WicketUtil.onEvent（）
，这应该是：

public static interface Support extends Serializable {
    ...
    Class<? extends AjaxEventPayload> getAjaxEventPayloadClass();
    ...
}

公共静态接口支持扩展了可序列化{
...
类这应该是：

public static interface Support extends Serializable {
    ...
    Class<? extends AjaxEventPayload> getAjaxEventPayloadClass();
    ...
}

公共静态接口支持扩展了可序列化{
...
等级