ADF相互独立的LOV实现级联

package view; import javax.faces.component.UIComponent; import javax.faces.event.ValueChangeEvent; import oracle.adf.model.binding.DCIteratorBinding; import oracle.adf.share.ADFContext; import oracle.jbo.Row; import oracle.jbo.server.ViewRowImpl; import oracle.jbo.uicli.binding.JUCtrlListBinding; import oracle.jbo.uicli.binding.JUIteratorBinding; public class CascadeLOVBean { /** * 要获取触发LOV的属性 */ private String attributeName; /** * 要传的参数名 */ private String parameterName; /** * 触发LOV的List Binding */ private JUCtrlListBinding listBinding; /** * 被触发LOV的Iterator Binding */ private DCIteratorBinding iteratorBinding; public CascadeLOVBean() { super(); } public void valueChangeListener(ValueChangeEvent valueChangeEvent) { if (valueChangeEvent.getNewValue() != valueChangeEvent.getOldValue()) { Integer newValue = (Integer)valueChangeEvent.getNewValue(); ViewRowImpl row = (ViewRowImpl)listBinding.getValueFromList(newValue); Object paramValue = row.getAttribute(attributeName); ADFContext.getCurrent().getRequestScope().put(parameterName, paramValue); iteratorBinding.executeQuery(); } } public void setListBinding(JUCtrlListBinding listBinding) { this.listBinding = listBinding; } public JUCtrlListBinding getListBinding() { return listBinding; } public void setIteratorBinding(DCIteratorBinding iteratorBinding) { this.iteratorBinding = iteratorBinding; } public DCIteratorBinding getIteratorBinding() { return iteratorBinding; } public void setAttributeName(String attributeName) { this.attributeName = attributeName; } public String getAttributeName() { return attributeName; } public void setParameterName(String parameterName) { this.parameterName = parameterName; } public String getParameterName() { return parameterName; } }